ORD - BWI

$116 Find Cheap Flights from Chicago O'Hare Airport to Baltimore - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from O'Hare Intl to Baltimore departing on 10/19. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Baltimore

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Chicago to Baltimore, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Chicago to Baltimore, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$240
Typical prices: $126-$243
Frontier
Fri 9/11Sun 9/13
ORD - BWI • Non-stop
Cheapest one-way
$116
Typical prices: $88-$199
Frontier
Mon 10/19
ORD - BWI • Non-stop
Advice from real travelers
AI-powered summary based on content written by travel experts. AI can make mistakes.
Southwest free carry-on adds value; United Economy Plus gives up to 6 inches more legroom.
American Main Cabin Extra adds early boarding; use airline apps for entertainment.
Expert advice
Expert advice
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Top airlines
Cheapest • from $240 (round-trip)
Best reviews • 7.9 score
Airline reviews
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Airline reviews
+1
Nonstop flights
You can fly direct with American Airlines, United Airlines and Frontier. Average duration is 2h 07m
Direct flights
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Direct flights
Direct flights
+1
Avoid delays
Most punctual • 80% on-time
Best time • Fewest delays
Insights
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Insights
Top layover airports
Cheapest • Avg $184 (round-trip)
Shortest trip • 5h 55m (one-way)
Insights
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Insights
When to book
in advance
Our data shows that travelers who book at least 2 weeks in advance save around 31% compared to booking last minute.
Insights
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When to travel
Cheapest • 43% price drop
Most popular
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Flight Deals

Cheap Flights from O'Hare Intl to Baltimore (ORD-BWI)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from O'Hare Intl to Baltimore that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from O'Hare Intl to Baltimore

Fri, Sep 11 - Sun, Sep 13
Frontier Logo
8:00 am - 11:07 am
ORD
-
BWI
2h 07mnonstop
Frontier Logo
12:02 pm - 1:26 pm
BWI
-
ORD
2h 24mnonstop
$240Frontier
Fri, Oct 9 - Tue, Oct 13
Frontier Logo
7:00 am - 10:14 am
ORD
-
BWI
2h 14mnonstop
Frontier Logo
11:09 am - 12:32 pm
BWI
-
ORD
2h 23mnonstop
$241Frontier
Fri, Aug 21 - Mon, Aug 24
Frontier Logo
1:59 pm - 7:26 am
ORD
-
BWI
16h 27m
1 stop
Frontier Logo
9:32 pm - 7:53 am
BWI
-
ORD
11h 21m
1 stop
$242Frontier
Tue, Jul 21 - Thu, Jul 23
United Airlines Logo
9:20 pm - 12:28 am
ORD
-
BWI
2h 08mnonstop
United Airlines Logo
8:16 am - 9:30 am
BWI
-
ORD
2h 14mnonstop
$243United Airlines
Sat, Aug 8 - Tue, Aug 11
American Airlines Logo
9:05 am - 12:11 pm
ORD
-
BWI
2h 06mnonstop
American Airlines Logo
7:03 am - 8:30 am
BWI
-
ORD
2h 27mnonstop
$244American Airlines
Thu, Aug 27 - Thu, Aug 27
Frontier Logo
1:03 pm - 4:13 pm
ORD
-
BWI
2h 10mnonstop
Frontier Logo
9:32 pm - 7:53 am
BWI
-
ORD
11h 21m
1 stop
$245Frontier
Fri, Aug 14 - Thu, Aug 20
Frontier Logo
1:50 pm - 7:26 am
ORD
-
BWI
16h 36m
1 stop
Frontier Logo
9:32 pm - 7:53 am
BWI
-
ORD
11h 21m
1 stop
$246Frontier
Wed, Jul 22 - Mon, Aug 10
Frontier Logo
7:05 am - 3:34 pm
ORD
-
BWI
7h 29m
1 stop
Frontier Logo
8:35 am - 7:53 pm
BWI
-
ORD
12h 18m
1 stop
$247Frontier
Fri, Oct 9 - Tue, Oct 13
Frontier Logo
7:00 am - 10:14 am
ORD
-
BWI
2h 14mnonstop
Frontier Logo
9:29 pm - 8:15 am
BWI
-
ORD
11h 46m
1 stop
$248Frontier
Sun, Sep 6 - Tue, Sep 15
Delta Logo
5:18 pm - 11:13 pm
ORD
-
BWI
4h 55m
1 stop
Delta Logo
2:03 pm - 6:45 pm
BWI
-
ORD
5h 42m
1 stop
$249Delta
Booking Insights

KAYAK's insights & trends for O'Hare Intl to Baltimore flights

Get data-powered insights and trends into flights from O'Hare Intl to Baltimore to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Chicago O'Hare Intl Airport to Baltimore?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Chicago O'Hare Intl Airport to Baltimore departing in September.

What’s the cheapest day of the week to fly from Chicago O'Hare Airport to Baltimore?

The average price of all round-trip flights from Chicago O'Hare Intl Airport to Baltimore clicked on KAYAK for each day over the last 12 months.

For Chicago O'Hare Airport to Baltimore, Friday is the cheapest day to fly on average and Tuesday is the most expensive. Flying from Baltimore back to Chicago O'Hare Airport, the best deals are generally found on Friday, with Sunday being the most expensive.

What is the cheapest month to fly from Chicago O'Hare Intl Airport to Baltimore?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Chicago O'Hare Intl Airport to Baltimore, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Chicago O'Hare Intl Airport to Baltimore is February, where tickets cost $139 (return) on average. On the other hand, the most expensive months are June and May, where the average cost of round-trip tickets is $355 and $319 respectively.

Can I save money by flying with a layover from Chicago O'Hare Intl Airport to Baltimore?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 1 stop layover the cheapest option at $337 on average.

How far in advance should I book a flight from Chicago O'Hare Intl Airport to Baltimore?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Chicago O'Hare Intl Airport to Baltimore, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Chicago O'Hare Intl Airport to Baltimore, you should book around 2 weeks before departure, which saves you about 31% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 21 weeks before departure.

Expert advice

Expert advice for your flight from O'Hare Intl to Baltimore

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on United Airlines and ORD

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Harriet Baskas

Harriet Baskas

Expert on American Airlines and BWI

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Blane Bachelor

Blane Bachelor

Expert on Southwest

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Good to know

Low seasonFebruary
Cheapest flight$116
Best time to beat the crowds with an average 44% drop in price.
Most popular time to fly and prices are also 20% lower on average.
Flight from Chicago O'Hare Airport to Baltimore

When to book flights from O'Hare Intl to Baltimore

Are your dates flexible? Find out the best times to travel from O'Hare Intl to Baltimore based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Chicago O'Hare Airport to Baltimore flights

  • Are there kids’ play areas at BWI airport?

    Passengers flying into BWI with kids and having some time before shuttle transfers or pickup can utilize the kids’ play area in the airport. This facility is located near Gate 11 on the airside. It is equipped with toys and rockers to help kids burn off energy and stretch their muscles after a long flight.

  • What can I do at ORD before flying out?

    You can do several things at ORD if you have some time at the airport before boarding your flight. The airport features a fitness center located in terminals 2 and 3, where you can activate and stretch your muscles before your flight. Alternatively, you can explore the many food concessions located within the airport and sample different cuisines or visit a spa on the airside and get facials, manicures, and pedicures.

  • Can I sleep at Baltimore Marshall International Airport?

    Travelers are allowed to sleep at BWI. However, passengers are not permitted to straddle the landside and airside after security checkpoints close for the evening. The airport has many comfortable places to sit and quiet spaces that are good for sleeping. These places are located in Concourses D and E. So, if you plan on camping at the airport overnight, ensure that you carry earplugs for more comfort. Alternatively, you can make reservations at one of the onsite hotels if you find sleeping at the airport a nightmare.

  • Are there pet relief facilities at BWI?

    BWI is a pet-friendly airport. Passengers traveling through the airport with their canine companions can utilize the pet relief facility located near the International terminal before Concourse E.

  • What is the cheapest flight from Chicago O'Hare Intl Airport to Baltimore?

    In the last 5 days, the lowest price for a flight from Chicago O'Hare Intl Airport to Baltimore was $116 for a one-way ticket and $240 for a round-trip.

  • Do I need a passport to fly between Chicago O'Hare Airport and Baltimore?

    No

  • Which airports will I be using when flying from Chicago O'Hare Airport to Baltimore?

    Chicago O'Hare Airport airport is called Chicago O'Hare Intl and the only airport in Baltimore is Baltimore/Washington.

  • Which airlines offer Wi-Fi service onboard planes from Chicago O'Hare Airport to Baltimore?

    American Airlines, JetBlue, and Delta offer inflight Wi-Fi service on the Chicago O'Hare Airport to Baltimore flight route.

  • Which aircraft models fly most regularly from Chicago O'Hare Airport to Baltimore?

    The Boeing 737-800 is the aircraft model that flies most regularly on the Chicago O'Hare Airport to Baltimore flight route.

  • Which airline alliances offer flights from Chicago O'Hare Airport to Baltimore?

    oneworld, and Star Alliance are the airline alliances operating flights between Chicago O'Hare Airport and Baltimore, with oneworld being the most commonly used for this route.

  • On which days can I fly direct from Chicago O'Hare Airport to Baltimore?

    There are nonstop flights from Chicago O'Hare Airport to Baltimore on a daily basis.

  • Which is the best airline for flights from Chicago to Baltimore, Southwest or United Airlines?

    The two airlines most popular with KAYAK users for flights from Chicago to Baltimore are Southwest and United Airlines. With an average price for the route of $219 and an overall rating of 7.9, Southwest is the most popular choice. United Airlines is also a great choice for the route, with an average price of $314 and an overall rating of 7.4.

  • How does KAYAK find such low prices on flights from Chicago O'Hare Airport to Baltimore?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Chicago O'Hare Airport to Baltimore.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Chicago O'Hare Airport to Baltimore?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Baltimore from Chicago O'Hare Airport is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Chicago O'Hare Airport to Baltimore?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Baltimore with an airline and back to Chicago O'Hare Airport with another airline. Booking your flights between Chicago O'Hare Airport and BWI can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Chicago O'Hare Airport to Baltimore?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Baltimore from Chicago O'Hare Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Chicago O'Hare Intl Airport to Baltimore

  • Looking for a cheap flight? 25% of our users found flights on this route for $200 or less one-way and $313 or less round-trip.
  • Chicago O’Hare International Airport (ORD) is the primary airport in Chicago serving major international flights. ORD is located approximately 18 miles from the city center and serves as the hub of American and United Airlines. The airport also serves other airlines, such as Spirit and Frontier Airlines.
  • From ORD to Baltimore, it is possible that you will land at Baltimore/Washington International Thurgood Marshall Airport (BWI), which is located approximately 13 miles away from the city center. It serves as the hub of Southern Airways Express. Nonetheless, it is a focus city for Spirit and Southwest Airlines.
  • If you risk missing your flight, the quickest way to get from the city center to ORD is via a taxi or self-drive. Both means of transport take approximately 30 minutes to cover this distance. However, when self-driving, you will have to factor in at least 10 to 15 minutes parking times.
  • If upon your arrival at BWI you feel like freshening up, you can use the showers at the fitness center located at the airport. The showers are located at the D/E connector and are free to passengers using the airport.
  • Both the departure and arrival airports feature exceptional USO lounges. At ORD, the lounge is located in Terminals 3 and 2 in the Mezzanine level rotunda. On the other hand, BWI has a lounge located beside Baggage Claim 4 in the lower level of the International Pier. USO lounges offer free services to the US military and their families flying through the airports.

Prefer to fly direct from Chicago O'Hare Airport to Baltimore?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Chicago O'Hare Intl to Baltimore/Washington.
Find which airlines fly direct from Chicago O'Hare Intl Airport to Baltimore/Washington Airport, which days they fly and book direct flights.

Direct departures

Chicago O'Hare Intl to Baltimore/Washington

Monday

American Airlines,United Airlines,Frontier

American Airlines,United Airlines, +1 more

Tuesday

American Airlines,United Airlines

American Airlines,United Airlines

Wednesday

American Airlines,United Airlines

American Airlines,United Airlines

Thursday

American Airlines,United Airlines,Frontier

American Airlines,United Airlines, +1 more

Friday

American Airlines,United Airlines,Frontier

American Airlines,United Airlines, +1 more

Saturday

American Airlines,United Airlines

American Airlines,United Airlines

Sunday

American Airlines,United Airlines,Frontier

American Airlines,United Airlines, +1 more

See more direct flights

Direct returns

Baltimore/Washington to Chicago O'Hare Intl

Monday

American Airlines,United Airlines,Frontier

American Airlines,United Airlines, +1 more

Tuesday

American Airlines,United Airlines

American Airlines,United Airlines

Wednesday

American Airlines,United Airlines

American Airlines,United Airlines

Thursday

American Airlines,United Airlines,Frontier

American Airlines,United Airlines, +1 more

Friday

American Airlines,United Airlines,Frontier

American Airlines,United Airlines, +1 more

Saturday

American Airlines,United Airlines

American Airlines,United Airlines

Sunday

American Airlines,United Airlines,Frontier

American Airlines,United Airlines, +1 more

See more direct flights

Reviews of the top 4 airlines serving from O'Hare Intl to Baltimore

 
See real verified KAYAK customer reviews for airlines flying from Chicago to Baltimore. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from O'Hare Intl to Baltimore? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.9
SouthwestOverall score based on 4245 reviews
8.0Comfort
8.6Crew
7.5Entertainment
7.0Food
8.1Boarding
Airline reviews

Flight coming out of Buffalo was delayed, so we had to be rescheduled on another flight from Baltimore to Phoenix which means we had a long layover and got home 3.5 hours late. Shuttle to parking stopped at 10pm, so we had to pay for an Uber to the parking lot and got charged an extra day of parking since it was after midnight. Not the best experience. Long day!

2.0 MediocreDawn, Jun 2026
BUF - BWI
Read more Southwest reviews

Flight coming out of Buffalo was delayed, so we had to be rescheduled on another flight from Baltimore to Phoenix which means we had a long layover and got home 3.5 hours late. Shuttle to parking stopped at 10pm, so we had to pay for an Uber to the parking lot and got charged an extra day of parking since it was after midnight. Not the best experience. Long day!

Southwest continues to do less for more money. Flight attendants used to be fun and friendly. But now it’s like they don’t even see you. Such a shame.

I liked it better when you were truer to your roots Am paying more for less fun

We had a 5 hour delay on the tarmac in Baltimore

Long layover between flights to Long Island from BWI - need better coordination between flights

The last 3 flights between BWI and BDL canceled the beverage service mid- way. Just say up front that the fight is too short. Thanks!

I was assigned seat 7E, yet my boarding was Group 5, which caused me to have to put my luggage in the back of the plance above `19 or 20 aisle, as passengers who had boarded earlier took the overhead bins in the front. SW needs to monitor bin space and ensure that bin space above the seat are aligned to those sitting near their seats. Also the seating assignments needs to align with group number. Maybe board those last first and so on? Having said the ALL the passengers on the plane were gracious enough to allow me and other passengers in this dilema to retrieve our luggage and helped us along the way. I always love the flight staff, as always their fantastic and I can't rave about them enough!

WIFI was great. My selection for seating is an aisle, but during my trip, I never had an aisle seat. If we can get that corrected, I will be thrilled.

Departure was delayed more than 1/2 hour while we waited for luggage (only) transfer from another flight/plane. Once approved for takeoff, the flight was excellent.

All was good. I just had a hard time getting connected to the WiFi/internet during the flight

Great experience. Boarding was fast, staff were very nice and funny, everything at the seat worked well.

Horrible! Several delays and then was cancelled! I spent over 24 hours in the airport and was unable to get a hotel or food voucher.

Boarded early; and arrived home 40 mins early. After a long flight, it’s nice to be back home early. These flights have no amenities; no snacks. So need to bring your own

Not being stranded in Chicago for her airport to 11:30 tomorrow morning the 3rd

Everything was great. Only thing that could’ve made it better was buy on board options for hot food, but the snacks were decent. The flight attendants were great. I had no complaints. I was able to make it to my destination safely

David went above and beyond to make our flight the best that it could be

The crew and flight was amazing. I haven't flown United in years but plan to switch to you being my main airline

Wouldn’t let me check in said couldn’t find a ticket had to wait very long Time

Seat cushions were worn down and it hurts as I seated under 5 hours of the plane ride.

I wish I had another choice. Domestic flight in the USA is atrocious.

Significant delays on my trip to Chicago and my trip back to NY

Delayed by 5 hours and I had to wit in the airport for more than 6+ hours.

I’ve got 31F seat and window seat . My 2 co passengers was AA crew members and they were very rude attitude and when I was going to use bathroom their gestures was very different and awkward and the guy beside me completely occupied the hand rest and I was really uncomfortable

It was so much better than expected, Ohare is not such a pleasant experience but American Airlines with the new, clean aeroplane and free Wi-Fi was outstanding and the crew so pleasant and helpful.

It wa sort of on time; the cab was left with some trash

American Airlines II: Delay Boogaloo. Multiple gate changes, delays, boarded and then MORE delays. I hate to say this won’t matter, but posting stuff about major corporations in 2026 is a post-modern “scream into the void.” Was multiple hours late coming home, so there you go.

The airplane was an old model, the overhead didn’t have enough room for people’s items and made boarding and boarding disappointing and stressful. Crew allowed passengers to bring more than the permitted baggage sizes.

The flight changed gates multiple times and flight had to be delayed multiple times

I like that the crew kept us informed but we moved back and forth from gate to gate before the aircraft arrived.

Boarding went fine, the plane was clean, and the crew was very friendly. Seats were a bit cramped, but that seems to be typical on all airlines anymore. Cookies and pretzels were offered as were beverages - the usual. I’d fly American again.

Flight was canceled. Most upsetting was message from Kayak, stating that the flight was canceled and click with Kayak for details regarding rebook, refund details. THERE'S NO INFORMATION PROVIDED BY KAYAK EXCEPT THAT FLIGHT IS CANCELED. AND NOW THIS SURVEY TO FIND OUT HOW WAS THE FLIGHT !!!!!!!

Inbound plane was on time and flight departed on time with no issues while boarding.

Just know that everything, and I mean everything is “ala cart”. 60$ just to put something in the overhead bin. I will never fly Frontier again nor do I recommend them to anyone else.

Great for the price. No wifi or entertainment, but gate agents and crew were fantastic and we boarded quickly and left on time.

After boarding and un-boarding twice over 6+hours, the flight was canceled.

The Boarding process in Denver was chaotic, and since the line was so long, we were lined up very far from the gate. If there were any announcements from the gate staff, we didn't hear them. The flight attendants were spectacular. The only negative part of the flight was sitting by a 2 1/2 year old who was unruly and unfortunately had parents that matched his behaviors. Also, the restaurants in Denver on the E concourse, they didn't have food (passengers could only order 1 item on the entire menu) or the restaurants had 12-14 people waiting for orders to be prepared and another 6 people waiting to order. If you have a layover in Denver and need to grab food, be prepared to visit the shops with pre-packaged sandwiches, or you can visit another concourse but it may take a while to transit throughout the airport.

I didn’t have enough time to catch my connecting flight and had to use a different Airline. I will be requesting a refund.

I brought a ticket and car rental through Travelocity. There was no where to add a KTN. So I thought i’d add it by looking up ticket on frontier website. I tried 3 times with the frontier chat bot to add my KTN it never updated my boarding pass. So then I tried showing up early to do it in person at the airport. The first employee update my ktn in the system and gave me a new boarding pass. I was sent back by tsa to join regular line. Then I was told to add my Ktn. It would cost me $25 extra. Given the length of the cue I did pay. Congratulations! BUT I will NEVER fly frontier again. Plus the plane was very old. It had actual ashtrays and old looking tray backs. Worst travel experience ever. Im warning my friends and family not to use frontier ever.

30 minute delay due to boarding and settling of a family.

Flight was fine, but the legroom between seats for taller passengers is very tight and bad on the knees. I t is very hard to find an angle, that works, especially on a long flight!!!

Everything you need to know for your flight from O'Hare Intl to Baltimore

Information on your arrival and departure airports