Find cheap flights from Illinois to St. Louis

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Find cheap flights from Illinois to St. Louis

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Round-trip
Economy
Boston (BOS)
Lambert-St Louis
Thu 7/29
Thu 8/5
Any month
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Good to know

Low season

AugustBest time to beat the crowds with an average 3% drop in price.

High season

DecemberMost popular time to fly with an average 11% increase in price.

Average price round-trip

$264(avg. price over the last 2 weeks)

Good deal round-trip

$94or less

Good deal one-way

$58or less

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Top 5 airlines serving Illinois to Lambert-St Louis

Scores according to KAYAK customer reviews

7.9
Cape Air
Overall score based on 247 reviews
8.4
Boarding
7.8
Comfort
8.7
Crew
7.3
Entertainment
7.0
Food
Airline reviews

Pros: "Great pilot! Awesome experience. Very safe. Pilot was diligent"
Cons: "Nothing!"

Pros: "Quick flight. Friendly pilot"
Cons: "Perfect flight!"

Pros: "Regular"

Pros: "The pilot was amazing"

Pros: "Clean plane"
Cons: "Seat is not comfortable. It is too hard. My muscles fell asleep"

Pros: "Crew."
Cons: "Terminal."

Pros: "Chance to see the coast and internal from above"

Pros: "Professional crew"
Cons: "Leg room. New planes."

Pros: "I had the opportunity to sit in the co-pilots seat! What an amazing experience.. Flight departed on time too."
Cons: "Nothing at all.."

Pros: "Professional Crew and Staff"
Cons: "Newer planes"

Pros: "Pilot did a great job, flight was as smooth as glass for the 7 of us passengers!"

Cons: "One minute into the Flight the Outside Wing Compartment Came unlatched and the Door To it was open about 9” enough that I was watching my Briefcase come close to flying off the plane. Passenger notified the Pilot and they Returned to STL to inspect the Compartment Latch."

Pros: "Fun flight to the cape. Awesome pilot"

Pros: "Cape Air never disappoints. A great option other than driving . Not to mention a great value"

Pros: "Considering I was a bit scared flying on a small plane my pilot was excellent. I enjoyed this flight so much. It was spectacular!"

Pros: "Excellent woman taking care of a delayed flight. Handled passenger and boarding process as well as check in beautifully and so kind and efficiently!!"
Cons: "The delay due to mechanical problems"

Pros: "Smooth flight. Nice option to fly to small airport closer to home."

Pros: "Got to sit next to the pilot!"
Cons: "Nothing, it was an absolutely breath taking flight!!"

Cons: "Connection booked too close. Missed flight, new flight delayed. Kayak booking does not leave enough time to transfer."

Pros: "Got a shuttle from the plane to my terminal at STL. Very convenient."
Cons: "Rather loud, but I don’t think there was much the airline could do about that. Maybe earplugs."

Pros: "Flight on time. Nice smooth ride. Very friendly pilot."

Pros: "Crew was pilot and helpful in explaining the situation to me."
Cons: "Got bumped from a flight to make way for a pilot in training. The fact that this happened on christmas eve made it even worse. Had to wait until boarding to find out that was being bumped and was told I shouldn't have been allowed to check in."

Pros: "Friendly service, helpful, comfortable flight for a small plane. Good pilot, very professional."
Cons: "My only complaint is when we landed in WestChester we deplaned and had to stand in the -5F wind-chill for a good 10-15 minutes while they unloaded our bags. I don't know why they couldn't have taken us inside to wait."

Cons: "We were left waiting after the flight we were booked on took off full. Had to wait another 45min to have a private flight with no copilot."

Pros: "You see there was a terrible storm that closed the EIS Beef Island Airport. But because I booked through ya'll I was totally screwed. The individual Airlines are not permitted to rebook my ticket because you are a third party carrier. and You would not rebook because the airline could not change the flight status on the first plane from Mayaguez to San Juan - that flight was not cancelled due to the closure but because I would be stuck in San Juan for possibly 2 days with no money and no where to sleep, well you get the point. So InterCaribbean and Cape Air came to the rescue and after a 4-5 hour ordeal and having to travel to Mayaguez airport I am now rebooked."
Cons: "Y'all and will never ever ever book through a third party again."

Pros: "Shirt flight no food, but bumpy. I almost threw up on a 25 minute flight"

Pros: "Still Stuck in Nantucket. Cape Air cancelled my flight and then didn't put me in another. I'm still stuck in Nantucket."

Pros: "The flight itself was nice"
Cons: "Being delayed and the process of dealing with the delays was a real headache"

Pros: "I sat in the copilot seat since plane was so small."
Cons: "Delayed so I missed my connection in Boston. I ran to catch it but the door was closed and they wouldn't let me on, even though plan was still sitting at the gate. I had 8 min to spare."

Pros: "Flying over the traffic heading to Hyannis where you take the ferry to Hyannis. Experienced pilot who told us the stewardess would be passing out food after we were airborne. Good sense of humor in a 9 passenger plane."

Pros: "Got me to Boston, eventually, safely. Nice view from low altitude. Plane provides for an intimate experience with pilot and fellow passengers"
Cons: "2.5 hour delay with no information or confusing information about departure prospects."

Pros: "It was a brief, smooth, enjoyable flight."
Cons: "My checked suitcase weighing <30lbs. was not put on the plane because of a weight constraint (combined weight of passengers and their luggage). I collected my suitcase from the airport the next day. Of course, airplane safety is a must, but I saw others dealing with their luggage also having been "bumped". Traveling this way is unreliable and, for me, less than satisfactory."

Cons: "Convenience"

Cons: "Too expensive. 399 for a 40 minute plane ride? Really?"

Pros: "Great timing"

Pros: "Nothing!"
Cons: "The flight was cancelled because of engine trouble. As a result we miss our connecting flight to our final destination."

Pros: "Great pilots Flies where other airlines don't Quick check in"
Cons: "Booked a 8:30 AM flight VQS->SJU. At 10AM the night before received an email stating the flight "may have been cancelled." Called cape air, they confirmed cancellation but couldn't rebook me on another flight; went on their website and paid for another flight (10:04). The next morning for way of explanation told that "the plane broke." Got to the airport, initially the replacement flight was delayed till 10:30, then at 11:00 we were told that flight was also cancelled. Since we did not have a connecting flight we were placed at the end of the line. They did get us out later in the day, although i suppose because we were just squeezed in I was sitting in the back where I had to sit cross-legged as i only had about 4 inches of legroom. So 2 cancellations and poor communications on a round trip ticket = mediocre review. If I don't get my money back on the first flight I'll revise this to 1/5."

Pros: "They plain didn't crash although it sounded like that was likely when we were taking off."
Cons: "The lack of ear protection to cancel out some of the loudness of the small aircraft would have been REALLY nice."

Pros: "I loved the whole experience."

Pros: "It was a smooth ride. Best flight I haven't had in a long time"

Cons: "The flight was delayed for over an hour. Nothing was said by anyone at cape air until i asked the attendant at the desk, which led to an announcement being made 45 mins into delay."

Cons: "Booked with Cape Air a month before our trip to Bimini. We had quite a few reasonable trip options but decided the float plane would be fun. One week before our departure Cape Air cancels the tickets. No explanation, no rebooking, just a "I'm sorry, too bad, go find something else," we ended up paying full fares through United for another $1000. So much for our affordable weekend getaway. Thanks Cape Air."

Pros: "It was my first solo flight, as well as first flight in a small plane. Quick, easy check in and boarding in Mayaguez, PR. In San Juan, exiting and meeting family was not easy, due to terminal design. Overall, great experience."

Pros: "But it came on the next flight to Rutland and was delivered to my house that evening."

Pros: "There was no food or entertainment so you should include a column in the survey that reads: N/A Otherwise excellent pilot!"

Cons: "It was a rain night fly.... but that is no ones' fault"

Pros: "Great. But you have to not be scared of small planes. The plane only seats 8 people. You can high five the pilot."
Cons: "Very small. I'm 6'4" very tight fit"

Pros: "Crew is very friendly and the views are beautiful."
Cons: "This plane is an 8-seater, so no food, no drinks, no entertainment and no lavatory. Short flight, though, so not a big deal."

Pros: "Great flight Albany to BOS. Cessna turbo prop. Super flight crew. Sure beats driving to Boston."

Cons: "Overall not bad. Food service can be better but it is due to the pandemic currently. Overall excellent flight!"

Pros: "Movies and usb charging"
Cons: "4 hour flight and all we get is a cookie?"

Cons: "No se diferecia de otras lideas aereas en decadencia."

Cons: "More leg room and seat width. I don’t like having other passengers pressed against me."

Pros: "Flight was on time, smooth take-off and landing, and gluten-free meal available (ordered before through Delta.com). Alcohol was available at each drink service."
Cons: "No gluten-free snacks, lack of gluten-free awareness by crew, and gluten-free meal had an apple instead of the (gluten-free) ice cream bar the other meals included for the dessert."

Pros: "Didn’t like security. They were rude"
Cons: "Security"

Pros: "The gate agents were nice enough."
Cons: "We sat on the tarmac for an hour without information as to why we were delayed. We missed our connection in Atlanta, even though we arrived at the gate in time to see the gate agent shut the door while we were running and waving. We arrived at the gate 8 minutes before the flight departure time also. The flight attendant on the flight from Fayetteville just handed out water and cookies without asking what you wanted. She had coffee and snack mix but didn’t ask anyone, just handed them what they got. Overall I was very disappointed in the flight from Fayetteville, NC to Atlanta and with the gate agents at the Atlanta airport. I usually expect more from delta. They didn’t offer vouchers to make up for the missed connection or offer to pay for a hotel since the next flight out was the next morning."

Pros: "I had the chicken beans and rice which was good, the chicken burrito was a little soggy and had to peal it out of the box but taste ok."
Cons: "The choice of the movies were either action or kids movies, i would like to see some sports movies, auto race, football or espn. All of the was energetic with great smiles and service except for one that never smiled and lacked enthusiasm. I wondered why she was on the plane."

Cons: "At least one hour late"

Pros: "I did get home eventually"
Cons: "Flight was delayed. Seats are cramped."

Pros: "I liked the cookies and juice. The interactive screen to watch something. The cleanliness. The price. On time. The service. Thank you. The excitement of flying."

Pros: "Flight crew was excellent. We had the emergency exit row so leg room was awesome! Kind bar and soda we good."
Cons: "Flight delay due to the older aircraft and lack of a pilot that knew how to fly it. Bathroom needed some tending to"

Pros: "Equipment felt a bit dated. No entertainment system, which was fine with me. Skipped the offered snack. Just had water. Flight was onntime."

Pros: "I will say that this has been the best flight my husband and I have ever had. The crew members were very nice and helpful. This has been the smoothest flight we have ever had as well."

Pros: "Food was unexpectedly good."
Cons: "The flight was delayed for 40 minutes. We could hardly catch connecting flight"

Pros: "Snack"
Cons: "I was delayed over 2 hours"

Pros: "The Dutch flight attendant who took care of our economy side of the flight was personable, helpful, and cheerful. She made the flight definitely more pleasant because as you know, traveling overseas in economy is no picnic!"

Pros: "The crew at the airport was very courteous and helpful."
Cons: "No food; not even offered water; I asked a Delta employee about our seats and she was very unprofessional (mind you I'm traveling with kids and my boarding pass said that seats were to be assigned at the gate)."

Pros: "I can’t make it in mexico city on tuesday, wednesday’s performance had to be cancelled and we need to pay the cancellation fee 11500 mexican pesos, please reimburse on the credit card"
Cons: "I can’t make it in mexico city on tuesday, wednesday’s performance had to be cancelled and we need to pay the cancellation fee 11500 mexican pesos of the studio and musicians"

Cons: "About 7 of 8 crew staff was ladies in their 60’s. Grumpy old women. In case of emergency I would help to help them instead of crew members helping me off the plane."

Pros: "I love the in-flight movies!"
Cons: "This wasn't pertaining to the flight or airline; but the TSA line was ridiculously slow."

Cons: "Delayed due to problem with the door"

Pros: "It was everything you look for on a plane. Friendly crew. Lots of space. Clean. Lots of entertainment. Plenty of space for luggage."
Cons: "I loved it all."

Pros: "Good choice of video programs."
Cons: "The flight attendant took 25 minutes to appear, and had enough time for one round of service. First class, at least you should get two drinks. Fly basic economy, there just isn’t any reason to fly first class."

Cons: "Direct flight, on time arrival"

Pros: "i fell asleep until we arrive to STL."

Pros: "Once aboard, flight went without a hitch and flight crew was attentive"
Cons: "The inflight entertainment options need to be expanded - I've run out of movies that I want to watch!!!"

Cons: "It was announced that there would be lunch shortly after takeoff and then a snack about 2 hours before landing. The lunch was ok, but then the snack (multiple small items) was offered about 4 hours before landing and then an additional snack (mini pot pie) was offered about 2 hrs before landing. This is too much action for people who are trying to get some sleep. Also, abrupt and hard landing."

Pros: "I got to destination. Baggage claim was quick."
Cons: "Flight was delayed due to waiting for a tardy flight attendant. Landing felt a little hard. No announcement about baggage carousel prior to disembarking."

Pros: "For a short-haul flight on a small CRJ, it was the most pleasing and comfortable flight. No delays and everyone was pleasant from ground staff to flight crew."

Pros: "The flight attendant. Lovely and professional."

Pros: "on time"

Pros: "Great (seemed like unusually friendly and helpful) crew. Plenty of carry on baggage room."
Cons: "Seats didn't recline. Plane hot initially and couldn't be cooled down until airborne."

Pros: "Left reasonably on time, arrived a bit early, able to find overhead storage for my roll-on, even boarding in Zone 3"
Cons: "Very tightly packed; minimal comfort for the flight."

Pros: "Did not eat or use entertainment."

Pros: "I love that I was upgraded to first class!"

Pros: "Everything was smooth. Short flight, but they offered us refills on drinks, which I've never experienced before. Polite staff, great flight. Thanks!"

Cons: "Delta allowed us to board knowing of possible weather delays at the destination! Once on board the captain announced that we could not take off due to weather at the destination! Why didn't they let us just sit in the airport until Delta knew one way or another? Been sitting, trapped in the plane, no AC, no announcement from the flight crew. Could be waiting in relative comfort inside the airport!!"

Pros: "Free movies & TV for all seats and the selection is great! Also, used the wifi and had great connection the entire flight."

Pros: "Excellent flight. Nice new aircraft."

Pros: "The crew was nice"
Cons: "I didn't like the fact that I didn't get my luggage with me when I arrived to casablanca as I lived 4 hours away from the casablanca. I have to come back the next day to get my luggage. I was very mad about it.plus I noticed one of my luggage has been damaged so now I have to buy another one because I can t use it. It was disgusting."

Pros: "The employees dealing with this whole nationwide fiasco were largely very helpful. I could tell that some were running on not enough sleep, but the customer service was good."
Cons: "My flight leaving at 9am was cancelled, and after missing out on 3 different standby flights, I finally got to my destination at 3am (4am central). My coworker had the same cancellation and got to our destination about 6hrs earlier through a connection. I wasn't told about that option and I could've gotten an actual night of sleep."

Pros: "The flight crew was nice and polite. They served drinks and snacks in a timely manner while on the flight."
Cons: "Flight was scheduled to leave early, the plane arrived, but they couldn't turn the plane around fast enough. We left the gat late, then pilot said we would still be arriving half an hour early. We arrived about 45 minutes late, and that was a problem because our connecting flight was due to depart now in 15 minutes. Lightning forced the airport to shutdown, which was great, we had a chance to catch our flight, but we were stuck in the airplane, and we couldn't get to our gate until the all-clear. I know this is not Delta's fault, but they did arrive quite late on a flight that, according to them, would be early. They also never communicated to the other flight that there were several passengers catching that connection. So by the time we had ran to catch our connection they had closed the ramp. Lightning hit again, and they shutdown the airport once again, so the airplane was still at the gate for about an hour, and they did not allow the 20+ passengers to board that plane, which was right there. So frustrating. The only thing that saved it was that our new flight was the new airbus, and although it left an hour and a half later, the comfort level was phenomenal."

Pros: "Crew service was excellent"
Cons: "Poor leg space"

Pros: "On time, nice crew."

Cons: "I booked with Delta who doesnt give you limits of weight for the carryon...why since the flight was operated from Airfrance they gave me limits of weight of 12 kg??? one ticket one law pls again, the hostess in my row was very nice, even the steward who was working with her very snob...it's not his job"

Cons: "Delayed flight for 6 hrs. and acts like it is just business as usual, perhaps it is for Delta"

Cons: "The flight was very bumpy and didn't have the option to watch a movie."

Pros: "The cookies!!!"
Cons: "To cold on plane"

Cons: "I was seated next to a large woman who took up some of my seat and didn't smell very... healthy. Otherwise it was fine."

Pros: "Free novies"
Cons: "Food service and better social distancing"

Pros: "Gate attendant was a superstar."
Cons: "6 hour delay due to part that St. Louis sent for - twice. Will never fly through ST Louis again on AA. Terrible Domino's pizza and water were complimentary after 4 hours delay. Returned to gate twice. 11 a.m. flight arrived at 9:30 PM ( 3 hr flight). Poor gate attendant was left to fend for herself as she was fed false and contradictory information."

Pros: "Seat room is limited, especially when you are in the middle seat."
Cons: "Seat space"

Pros: "Crew was friendly and nice."

Pros: "Great price!"
Cons: "More food."

Cons: "Had to clean my seat before seating."

Cons: "The legroom is not sufficient for taller people"

Cons: "Seat space"

Cons: "Unable to play entertainment on my compatible device."

Cons: "The terrible communication for delays and boarding."

Cons: "Feeling of being cramped"

Cons: "Person in front of me had seat reclined from take off to landing. Nobody checked. Nobody told him it had to be upright during takeoff and landing. I believe that is a safety issue. Isn’t that why the flight attendants are there?"

Pros: "Crew friendly and accommodating, even on short flight"
Cons: "Good - no complaints."

Cons: "I will never, ever book with Kayak again"

Pros: "Busy but kind stewardesses"
Cons: "Please offer another snack option besides carboard flavored pretzels."

Cons: "Pushy crowd.."

Cons: "Kept the lights on for too long serving dinner. Forgot to serve the middle section beverages during breakfast."

Pros: "Nothing"
Cons: "Cancelled"

Pros: "Nothing"
Cons: "Incredibly uncomfortable. I even paid extra for more room. Meals were a joke"

Cons: "I’m not sure how this flight was as I missed it due to a delay from YYZ to ORD"

Pros: "crew was pleasant"

Pros: "Great service"

Cons: "Flight was delayed almost two hours due to crew staffing issues."

Pros: "Amazing entertainment selection, comfortable."

Pros: "Almost empty in economy"
Cons: "I liked everything"

Cons: "For our delay with no information"

Pros: "Food was surprisingly good. Smooth ride could have been just good weather, but it was nice. We got in early!!!"
Cons: "Legroom was ok for me because I'm short. Others may have needed more."

Pros: "The airplale MD 80 are old"

Cons: "There was just an announcement that the refreshments will be served shortly but there were no refreshments. Take off and landing was horrible. Flight was shaking way more than usual."

Pros: "Excellent service. Loved the tv screens with the remote. Exclennt flignt"

Cons: "They were late because of bad scheduling and the gate agent was rude"

Cons: "I loved everything"

Pros: "was a pain checking extra baggage. No one seemed to know what to do.. Apart from that AA was good."

Pros: "Everything was great. Easy boarding great comfortable seating and friendly efficient stewardship"

Cons: "Boarding was a little chaotic. Could have been more organized."

Pros: "Everything was on time!"

Pros: "Extra blanket and pillow. Empty seat to sleep in. Fairly clean interior for the most part."

Pros: "All good! Nice staff. Easy travel."

Cons: "Three gate changes and 45 minute delay. Same happened two years ago"

Pros: "Free alcohol and good passenger friends and friendly service."
Cons: "No outlets for phones"

Cons: "Forced to check my carry on. Took 30min for the bags to come out on the carousel. Which is why i never check my bag."

Pros: "All the movies"
Cons: "Legroom"

Pros: "very friendly staff"

Pros: "Nothing to expect from Domestic fight."

Pros: "Plane was ancient"

Cons: "Could not read paper when passenger in front reclined seat. No space between rows."

Pros: "The ginger ale."
Cons: "This was my return trip with more delays due to maintenance issues of the aircraft. 10/17/16 flight 1585 was the outgoing flight delayed five hours on my departing trip. I waited at the baggage carousel 15 minutes for my bag after over an hour delay due to switching aircrafts. With a flight arriving this late in the evening with the low volume of bags checked (due to checked luggage charges), this should not be the case. Five minutes to gulp down ginger ale."

Pros: "All flights were on time Greatly enjoyed the trip"

Pros: "It took off on time and life was good."

Cons: "No complaints."

Pros: "Smooth flight"

Pros: "love when they turn off the lights"
Cons: "annoying late notifications of gate changes"

Pros: "Efficient"
Cons: "Free wifi"

Pros: "Everything"
Cons: "Perfect"

Pros: "Getting a meal and drink"

Pros: "One attendant did it all. And very well. Impressive."
Cons: "More snack options."

Pros: "Good"
Cons: "Good"

Pros: "Everything from ticketing to deplaning was smooth and professional."
Cons: "No problems at all."

Pros: "On time"

Pros: "Having about an hour and 20 minutes left me with enough time to explore the airport from one gate to the other without feeling terribly rushed."
Cons: "The ONLY thing negative that I can say is that the Chicago airport had no charging stations at my gate."

Pros: "I had absolutely no complaints about this trip"

Cons: "No bags to go to overhead bin"

Pros: "Not much"
Cons: "The food not fit for human consumption"

Pros: "Quick boarding. Ontime departure."
Cons: "Very small servings of food."

Pros: "The flight was listed as a 50 minute flight. The boarding was great, and very fast and efficient, but there was news that Air Force One was scheduled to land at our destination, so the flight left a bit early. Upon reaching altitude, the plane made record time. 50 minutes was cut down to under 30 from take-off to landing. The attendant was barely on the last row (a charter plane) from serving drinks, before the cart had to be put away for landing."
Cons: "The seats were tiny and my neighbor and I were both a bit taller and stockier than perhaps an average passenger (220lbs)."

Cons: "flight was over two hours late because of a late incoming plane. That may be for good reason, but we weren't told until less than one hour before takeoff. It doesn't make sense that the airline just found out one hour before takeoff that the flight was two hours behind. We should have been told sooner about the delay, while we had other choices of alternate flights."

Pros: "Nothing to like when an agent tells you that 8 seats open on plane .but already full!"
Cons: "See above!"

Pros: "We got my wife on a plane home in under four hours."
Cons: "United decided to bump some of their glorified bus drivers ahead of me on standby so I had to wait a full four hours in O'Hare listening to some doichebag from LA try to entertain folks at the Goose Island bar with his stories about selling franchises."

Pros: "The snacks were great"
Cons: "Clearly a new flight crew. They needed some more practice with efficiency and reading the statements they are required to make. Previous flight was over an hour late arriving at the airport meaning that our flight was just as late departing for our flight. First we were told the flight was 20 minutes late, then 8 minutes late, then 40 minutes late, then 55 minutes late... Every time they told us the incoming flight was about to land."

Pros: "Great crew"
Cons: "No room on board for carry on luggage and when gate checking luggage it resulted in further delaying me to make my connecting flight"

Pros: "United payed for the room and 20 bucks for food."
Cons: "Late. Missed the connection to Gillette and had to stay overnight."

Pros: "We'll coordinated."

Cons: "See above comments."

Cons: "Girl at gate was rude!!! After missing connecting because of Uniteds negligence, my brand new luggage first time used, zipper to main compartment was ripped half way out!! My clothes and stuff hanging out as its coming out baggage claim!!!!!! This was a nightmare"

Pros: "The service was good"

Pros: "2 hours delay. Seems a trend with United domestic flights (technical problems, not the weather issues). United should review flight schedule to consider the delay so the passengers don't have to be a victim of those delays."
Cons: "Delay!! After traveling 20+ hours internationally, 2 hours delay on the last leg really is a big burden."

Cons: "lost our bag, crying babies, uncomfortable plane"

Pros: "I was comfortable and I didn't die."
Cons: "N/A"

Pros: "Glad you didn't give priority to those with other designations like priority plus etc"

Cons: "Plane late leaving Chicago due to no pilot."

Cons: "It was not on united because it kept getting delayed."

Pros: "Courteous crew."
Cons: "Old cramped plane (EMB 135/145). Was dingy, dirty and smelled bad, no wi-fi or entertainment options. Very loud ride even though I was near the front far from the engines."

Pros: "Great"

Cons: "Lost my luggage"

Pros: "Same as above"

Pros: "Every one was friendly. The plane was clean"

Cons: "They didn't have wifi"

Pros: "no complaints"

Pros: "Was never in Chicago."
Cons: "Was never in Chicago but my stuff was."

Pros: "Perfect, but I did upgrade to United's business plus."

Pros: "Aisle seat."
Cons: "They made my dad check his bag even though there was space."

Pros: "Worst flying experience ever"

Cons: "I was informed today that one of my checked bags was picked up by another customer who eventually realized it was not her bag. She brought it back to the airport and refused to turn over the bag until the airport compensated her. (How this happened I have no idea because I stood right by the entrance of the baggage claim and never saw the bag come out). The customer refused to return the bag until the police became involved at which point she agreed to write a note confirmed she did not steal anything. The bag then needs to be sent to me in 2 days and I'll have to verify myself that indeed nothing was taken from the bag. I'm very concerned how this individual came to be in possession of my bag considering, again, I stood right at the entrance of the baggage claim conveyor belt from the time it started to when it ended. As a result, this experience really made me feel frustrated and violated."

Pros: "Flight itself wasn't bad but huge delay and almost cancellation"

Pros: "The flight attendants were great."
Cons: "Late flight due to technical issues and a passenger problem. Wish both could have been resolved quicker."

Pros: "Was a short flight"
Cons: "The plane was soo small. There wasn't enough room."

Pros: ":("
Cons: ":("

Cons: "The airline checkin is terrible and time consuming!"

Cons: "Never made it because of stupid United"

Pros: "The pilot got us there safely. Good deal of turbulence."
Cons: "Stewardesses were rude to many. Chit chatted with each other whole way, ignored passengers. "Too turbulent" to serve us a beverage, which was okay. Except first class got full service. Wrong."

Cons: "Check in"

Pros: "Landing was perfect!"

Pros: "Nothing"
Cons: "Delays, gate changes, lack of notification, last minute changes."

Pros: "Arrived 30 min early"

Cons: "We waiting 2hours... delay Something to fixing on plane! I miss good business in Tampa because of that"

Cons: "not clean"

Pros: "Very comfortable ride and spacious"

Pros: "Bag charged"

Cons: "Terrible information and no service."

Cons: "Short-staffed, so short tempered workers.kiosks did not work. Nickled and dimed on everything. Like flying in prison. No light and a cold hard bench seat. Awful."

Pros: "Plane not full. Had row to myself"
Cons: "A beverage would be nice"

Pros: "Easy and friendly"

Cons: "Look like frontier is always late"

Pros: "I had neve flown Frontier before. The boarding experience was orderly, fast & efficient."
Cons: "There was no free wifi"

Pros: "Nothing."
Cons: "Everything."

Pros: "uh the "big front seat" was decent? fairly roomy and still cheap"
Cons: "fuckin screaming children everywhere, it was horrendous"

Cons: "Trip had over 8 hours of delays."

Cons: "no free snack? not even a bag of peanuts?! disappointing"

Pros: "Friendly; clean; efficient"
Cons: "Bit of turbulence but not the airlines fault"

Cons: "Expensive, uncomfortable, no food or drinks"

Cons: "I did not like the long delay"

Cons: "Late late late arrival."

Pros: "it was a great trip."

Cons: "delays with NO feedback"

Cons: "there were too many delays and the situation was handled poorly. I do not plan to fly Frontier again in the future."

Cons: "They nickle and dime you to death. They even charge you for soda!"

Pros: "Getting where I was going"
Cons: "Everything else."

Cons: "See above."

Pros: "Nothing"
Cons: "Everything"

Pros: "Very efficient."
Cons: "No free beverage."

Cons: "I didn't like the $1.99 for soft drinks"

Pros: "Politeness"
Cons: "Overall everything"

Cons: "to expensive to cary on a bag."

Pros: "Middle seat was empty"
Cons: "The delay. No food. No apologies"

Pros: "The tate"
Cons: "Paying for bags"

Pros: "I was upgraded for free!"
Cons: "The payment necessary for baggage."

Cons: "Everything!!"

Cons: "Horrible!!! Late doy and I Need to pay for my hand luggage. Never travel with Frontier!"

Pros: "Aircraft"
Cons: "Nothing"

Cons: "Food"

Cons: "Lots of screaming children, but I had to fly to Orlando."

Pros: "It was very punctual"

Cons: "Not enough leg room."

Pros: "Very informative on where to go!"
Cons: "Not very informational on security policy"

Pros: "Everything was good, no complaints"

Pros: "Staff"

Cons: "The Chicago airport was terrible both times. Things not clearly marked. Staff not friendly or available. Long term parking very hard to find and pricing very unclear. Didn't realize we would have to pay additional for just a seat and carry on luggage"

Pros: "Cheap..."
Cons: "Delaaaays"

Pros: "Everyone was friendly, will fly again soon to San Fran."

Pros: "Wasn' detlayed"
Cons: "Have to pay for every little extra thing"

Read more about Cape Air
COVID-19 information

Safety measures for airlines flying from Illinois to St. Louis

Airlines flying from Illinois to St. Louis have enacted additional safety measures and adjusted policies to better accommodate travelers. Policies vary by airline.

Heightened sanitation

Daily cleaning, installation of cabin HEPA filters on flights from Illinois to St. Louis

Mandatory masks

Masks required on board, masks provided on flights from Illinois to St. Louis

Social distancing seating

Middle seats unavailable to book on flights from Illinois to St. Louis

Pre-flight testing

Testing for antibodies, testing for symptoms for flights from Illinois to St. Louis

Book cheap flights from Illinois to St. Louis

Recent round-trip flight deals

8/2
Mon
nonstop
Frontier
1h 19m
ORD - STL
8/4
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nonstop
Frontier
1h 26m
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Multiple Airlines
1h 19m
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1 stop
Multiple Airlines
7h 19m
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Multiple Airlines
21h 10m
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8/9
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nonstop
Multiple Airlines
1h 26m
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Multiple Airlines
9h 55m
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8/31
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Multiple Airlines
9h 09m
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8/2
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nonstop
Multiple Airlines
1h 19m
ORD - STL
8/3
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1 stop
Multiple Airlines
18h 25m
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8/24
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nonstop
American Airlines
1h 19m
ORD - STL
8/31
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nonstop
American Airlines
1h 24m
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8/6
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nonstop
Multiple Airlines
1h 18m
ORD - STL
8/7
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nonstop
Multiple Airlines
1h 26m
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1h 16m
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American Airlines
5h 23m
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6h 34m
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5h 23m
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Delta
5h 43m
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Delta
6h 41m
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Delta
6h 38m
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Delta
6h 09m
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nonstop
American Airlines
1h 09m
ORD - STL
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nonstop
American Airlines
1h 32m
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Delta
7h 47m
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Delta
4h 41m
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Delta
4h 45m
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Delta
6h 08m
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8/13
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Spirit Airlines
15h 24m
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25h 13m
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10h 40m
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Spirit Airlines
15h 24m
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13h 29m
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Air Choice One
7h 40m
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19h 35m
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Spirit Airlines
15h 24m
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8/16
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Spirit Airlines
34h 21m
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8/14
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nonstop
United Airlines
1h 13m
ORD - STL
8/17
Tue
nonstop
United Airlines
1h 17m
STL - ORD
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Recent one-way flight deals

8/2
Mon
nonstop
Frontier
1h 19m
ORD - STL
8/2
Mon
nonstop
Frontier
1h 19m
ORD - STL
8/10
Tue
1 stop
Spirit Airlines
23h 16m
ORD - STL
8/10
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1 stop
Spirit Airlines
23h 16m
ORD - STL
8/17
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nonstop
American Airlines
1h 09m
ORD - STL
8/14
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1 stop
Spirit Airlines
15h 24m
ORD - STL
8/18
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1 stop
American Airlines
6h 13m
ORD - STL
8/17
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1 stop
Delta
4h 32m
ORD - STL
8/25
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1 stop
Delta
5h 43m
MDW - STL
8/10
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1 stop
Multiple Airlines
18h 39m
ORD - STL
8/9
Mon
1 stop
Air Choice One
15h 10m
ORD - STL
8/6
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1 stop
Air Choice One
21h 10m
ORD - STL
9/11
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2 stops
Delta
9h 13m
ORD - STL
8/25
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2 stops
Delta
8h 32m
MDW - STL
9/2
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1 stop
Air Choice One
15h 10m
ORD - STL
9/9
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1 stop
Air Choice One
15h 10m
ORD - STL
9/9
Thu
nonstop
American Airlines
1h 19m
ORD - STL
8/27
Fri
2 stops
Multiple Airlines
26h 13m
ORD - STL
8/14
Sat
nonstop
United Airlines
1h 17m
ORD - STL
8/5
Thu
1 stop
Cape Air
2h 55m
ORD - STL
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