Find cheap flights from Allentown to Colorado

Pros: "The accommodation to the military service members!"
Cons: "Air fresheners should be used on the airplane."

Pros: "Delta is doing a great job keeping everything calm and clean during this pandemic!"

Cons: "Nothing all excellent"

Cons: "It was great! Nice job Delta !"

Cons: "For options none. No drink carts at all. Had coffee once after I asked. Poor quality entertainment. Just a huge waste of money."

Pros: "Christina brown was amazing at gate"

Pros: "The staff at Delta are always friendly and helpful and they were able to squeeze me onto a very full flight."

Cons: "The main economy seats were far too narrow."

Cons: "It was a Great flight. I always enjoy flying Delta"

Cons: "My flight was delayed almost 3 hours. Not good. Once in the air it was fine."

Pros: "Everything ok. I was hoping to buy food but glad to see almonds as one of the free snacks. Delta seems to be upping its game a bit lately."
Cons: "No US carrier seems able to master smooth boarding without standing waits."

Cons: "Not really an experienced flyer. Overall the flight seemed good. No issues with airline or airport. Just don’t understand self-important people that feel compelled to push the overhead storage limits with their bags."

Cons: "1.5 hour delay...no reason given!"

Cons: "Flight was delayed and completely packed so our family could not get seats together"

Pros: "Flight cancelled"
Cons: "Flight not cancelled"

Pros: "Love the fact that the head rests move to support your head better."

Pros: "The seat was great, I wish all seats on the plane were that comfortable"
Cons: "Nothing, everyone was great"

Pros: "The male crew member was excellent. He was responsive and speedy with trying to find a solution. He gave me a few flyer miles for my trouble and was empathetic, which is rare."
Cons: "The tv/monitor didn’t work so there wasn’t any entertainment for the majority of the flight."

Cons: "No meal option and my video screen volume did not work"

Pros: "The crew was great and super nice!"
Cons: "Screens with games, more leg room, and not having kids behind us messing with tray tables the whole flight."

Pros: "Boarding was easy."
Cons: "I am 6' 1" tall and weigh 220, so not out of the ordinary and I felt like I was stuffed into a sardine can."

Pros: "Entertainment"
Cons: "Boarding at JFK.Always messy"

Pros: "Boarding was quick"
Cons: "No entertainment, plane was small"

Pros: "Good entertainment selection and great crew"
Cons: "Seats are more uncomfortable relative to other airlines"

Pros: "Entertainment choices were excellent, many new movies available, so I was able to see movies is been meaning to watch. There were drinks available."
Cons: "The air vents barely trickle out any air anymore. No relief to be had. Airline crews say hi and goodbye but that doesn't make them friendly."

Pros: "The crew on the airplane was great. We had 2.5 hours turbulences but the crew started to give out drinks as soon they got the ok from the pilot"
Cons: "We went in LGA to the Baggage drop off and the employee there was super rude. On the flight to New York with Delta we had to check our carry ons at the gate because it wasn't enough room for bags in the airplane.so we asked when we checked our one suitcase if we can/should check our carry ons to avoid having to do it at the gate. The delta employee told me sure no problem. He checks in my one suitcase I purchased gives me the tracking paper and says ok have a good flight. I asked him so what is with our carry ons and he told us that that would cost 25$ and we can't check those in at the drop off?!?We ended up taking the carry ons with to the gate and then off course there wasn't enough room on the airplane that we had to check it in. And surprise it was free?? We had never issues with Lufthansa, icelandair etc. with checking our bags at drop off to not needing to carry it around and than still end up to check it at the airplane. Every airline has been more than happy that we volunteer to check our bags that they don't have the trouble at the gate."

Pros: "We boarded close to on time, no hassles. Allowed my husband and me (retired military) to board early, thank you."
Cons: "LAX security is awful. We never left the airport (arrived LAX from Sydney AU) yet were forced thru security again. Had to remove shoes, was scanned and "frisked" by TSA to get to Denver. To go to Australia, Denver TSA waived the removal of shoes, skipped the scan for the metal detector and no one touched me, ditto for LAX on the trip to Sydney. Where's the uniformity or standards for TSA?? Why did I have to be subjected to this garbage on the way home?? This is why I despise flying. It makes no sense to me. This ruined what was a great vacation."

Pros: "Free drinks and snacks - great entertainment system (please read this Frontier)!"
Cons: "Boarding process was agonizingly slow and ineffective"

Pros: "JFK to Denver the flight Attendants were once again great. Lots of entertainment choices again. The usual rough air coming into DIA."
Cons: "From JFK to Denver the seats were to close for leg room by an inch or two. The temperature was hot most of the flight."

Pros: "The seats had plenty of leg room and the crew was was very kind."
Cons: "My seat was uncomfortable and I was seated in the only row of the aircraft without entertainment for a four hour flight. Then on top of that the passenger next to me removed his shoes and you could smell his feet from a mile away but the flight attendants never requested for him to replace his shoes."

Pros: "Everyone who has a kid knows how challenging certain things can be in a flight and for me the combination of a night flight interrupting my baby’sschedule + a full flight it equalized disaster. My daughter could not get comfortable for the love of life and I just felt horrible and frustrated and what sucked most was the 9 year old and her obese father siting in our row that kept giving us weird looks."
Cons: "There’s NO room in planes between seats. It’s 2018 and new planes must be done ASAP to accommodate people better. I’m 5’1” and 110 lbs but adding my 25lb daughter siting in my lap before she turns 2 is absurd to expect that it will be comfortable whatsoever for us or the people breathing next to us. Please DELTA, lead by example and make sure your planes are designed with more room in between and around the seats. In my opinion, every seat should be first class."

Pros: "The staff really helped me out getting on standby so that I didn't have to wait for a 9 hour layover. Overall great experience and great staff."

Pros: "In a pinch they were able t"

Pros: "Great in every way"

Pros: "It got me home, eventually."
Cons: "Poor communication, a 6 hour delay followed by a 7 hour layover (during which we had to sleep on an airport floor because Delta couldn't offer us any hotel vouchers). Gate agents disappeared after 7pm becuase they were due to be done with their shifts when our flight was originally supposed to leave at 6 pm. It felt like we were trapped in the movie The Terminal. Oh! And our bag was misrouted, because that was just how things went those 2 days. All in all a 6 hour trip turned into 18 hours. I could have driven home in that amount of time!"

Cons: "Check in lines were crazy long"

Pros: "The entertainment unit allowed me to watch the Denver Broncos game live which helped lessen the delayed departure and uncomfortable seating."
Cons: "Uncomfortable seating....too crowded!! We had a delayed departure by 30-40 minutes because of a computer download issue. Too many folks carrying carry-ons delayed boarding. I wish folks were not encouraged to go that route but to check baggage. This time of year gets even tougher with folks carrying Christmas presents and over sized personal items. Ugh. Not fun to travel this time of year."

Pros: "really helpful and friendly service and nice seats."

Pros: "free texting and entertainment!"
Cons: "our flight was delayed half an hour."

Pros: "The boarding process in Atlanta was as smooth as could be expected given that it was a full flight. I appreciated the gate announcer's suggestions to everyone about how to ease the overhead baggage crunch."
Cons: "Economy is very tight quarters."

Pros: "The plane, crew was clean, newer and had TV's in the backrests. Remember to bring headphones! Seats are tight, but the crew was friendly and may the flight experience positive."

Pros: "Friendliness of staff. Second flight was a newer plane - sweet!"
Cons: "For a long flight perhaps a little more in the snack department."

Pros: "When deplaning in Denver, I was impressed that the captain was the staff who got behind my wheelchair and offered to push me up the walkway :)... New aircraft, kind staff, shorty flight!"
Cons: "Nothing disappointed, butt i didn't have any good besides pretzels."

Pros: "Not much to like here. The new crew was pleasant"
Cons: "Old crew was surly. Plane had much problems and finally replaced. Left 5 hrs late. Delta claims it doesn't have to compensate for a late flight - just a cancelled one so guess which this was The baggage fees are obscene and the gouging of the customer is immoral. No wonder people hate the airlines."

Cons: "Excellent service excellent pilot"

Pros: "Overall, the flight was very smooth and I thought the crew did a great job."
Cons: "I know this is a federal regulation, but I have to mention it as it is part of the boarding process. For the life of me, I can't understand why it is necessary to go through security again after re-entering the country. Understandable that I have to go through customs, but going through security again is ridiculous."

Pros: "Entertainment"
Cons: "This is my third flight this year with Delta and every time we wait for the "crew" to get off from another flight. And as soon as they get there we can board. It's getting very annoying. Fix it."

Pros: "I love the new snack choices! Way to go Delta for offering Kind bars now!! This is awesome."
Cons: "Tiny old plane, props blocked my window view, no entertainment system."

Pros: "The staff of the flight were very friendly and attentive. They were great!"

Pros: "movies"
Cons: "snacks provided"

Pros: "Ended up with a row to myself since flight wasn't full and people were able to move to different seats to provide for social distancing."

Pros: "Crew was lazy. Poor service and on their phones the entire time."
Cons: "Flying Delta instead."

Pros: "Fantastic crew"
Cons: "Great trip"

Cons: "board families with infants and children first"

Pros: "Everything was pretty smooth, on time, as expected, no problems."
Cons: "The entertainment access from my device was unusable due to unavailability of downloading the proprietary American Airlines APP. I had the GoGo In Flight app installed but that wasn’t enough. A better system should be in place."

Pros: "Loved the individual monitors"

Cons: "Update from the pilot. Stalled for over 20 mins after landing with no update from staff as to the reason why. No entertainment. Sucked."

Pros: "Great flight"

Cons: "Truth is they practice in like cattle. I ended up sitting next to a ginormous woman. It was a very uncomfortable flight from DC to Charleston. Come on American you're better than that quit using such small planes!"

Cons: "Nothing. Everything was great."

Pros: "Crew was extremely friendly and professional. Well trained, exceptional."

Pros: "Crew was as helpful as they could be."
Cons: "If we had the option to get off the plane earlier. We sat in the plan for almost 4hrs before it took off it was super hot and I was hungry."

Pros: "The flight was good."
Cons: "The seat size could be bigger, and the layover was awful. Sixteen hours is unheard of."

Cons: "The gate agents called all boarding groups with the boarding queue extending the entire length of the jet bridge and into the terminal beyond the gate area, making us stand in line ten to fifteen minutes longer for no reason."

Cons: "Flight was very late"

Cons: "Could be more caring staff"

Pros: "great trip and crew"

Pros: "Timely"
Cons: "Hot plane, no phone charging available."

Pros: "No problems, arrived early"

Pros: "Back of the seat media great."
Cons: "Wi find not free."

Pros: "Crew serving was bad"
Cons: "Quality of food not good"

Pros: "The crew was excellent and most of the counter staff was good except for the one in Dallas. Actually flew on JAL partner AA"
Cons: "Delay out of Wichita and another delay out of Dallas, got into Tokyo 3 hours late. Paid $167 for upgrade to economy plus but seat assignment was in economy"

Pros: "Plane was alright."
Cons: "Delayed departure delayed deboarsing. Extra flight time = 1 hr due to delays."

Pros: "Flight attendants were friendly and in-flight entertainment was good, including easy access to power ports."
Cons: "Delayed about an hour due to weather. However, another 2 hours spent screwing around sitting on the plane after boarding because no one anticipated DCA restrictions. Then on arrival sat another 30 minutes waiting for a gate. Adding insult to injury, took about 40 minutes to get luggage. Weather is understandable, but the rest was just mismanagement."

Pros: "Entertainment choices, no additional charge for wine, food was good"
Cons: "​​we were packed in like sardines on American airways ..NOT British airways. I’ve flown overseas on European flights before and there is more attention to comfort. We sat in front of the lavatory and could not sleep because every time someone used it, the light flashed in our eyes and the flush was quite loud. I paid extra for the seats we had but did not know they were right by noisy bright rest room."

Pros: "Timely, good service."
Cons: "Would have helped to know that IB4158 was also AA44."

Cons: "delays were horrible."

Pros: "Crew was great!"
Cons: "Was really poor choice of food."

Pros: "On time. Comfortable seat. Courteous crew. Easy transfer."

Pros: "Another typical domestic flight. Nothing special. Pretzels were the only snack."
Cons: "No entertainment and nowhere to charge electronics."

Pros: "Crew were pleasant Arrived safely"
Cons: "Seats are way too cramped especially for my broad shoulders. Beverage service was minimal"

Pros: "The flight crew were all very nice and attentive. The on-board entertainment kept me busy during my waking hours. I appreciated the complimentary blanket, pillow and earbuds."
Cons: "The quality of the food selections were ok but could have been better. The remote for the tv screen did not function well with the games. Also, the seats were very hard, sleep did not come easily."

Cons: "Have to pay for wifi use."

Pros: "On time, staff at gate and on plane friendly and courteous."
Cons: "No plug for electronics. Seats crowded with heavy person next to me."

Cons: "Audio jacks were not compatible with most headphones, healthier food choices could be offered"

Pros: "Our flight was delayed by almost three hours due to weather in Chicago, the crew was very helpful and the pilot kept us informed about the updates that he was receiving."

Pros: "The flight staff was great"
Cons: "I felt like I was sitting in low class by selecting economy. The plane was old with only one in flight entertainment option. There was a baby sitting behind me in a parents lap kicking my seat the entire time. Less leg room and space then the last time I flew AA. The food option was mediocre."

Pros: "On time take off"

Cons: "Overnight stay due to missed flight with no luggage or medication."

Cons: "Bathrooms in the airport deplorable. Gates not so clean as well."

Cons: "No usb or wall chargers. No inseat entertainment and glitchy wifi entertainment"

Pros: "Nothing"
Cons: "Customer service was not great. They canceled my flight without any great reason. While I learned about another situation regarding my flight, I was not treated well on the phone by costumer service. I don't think I want to fly with American Airlines again."

Pros: "New plane with leather like seats and good entertainment system."

Pros: "The crew was excellent, timing was superb,"

Pros: "same as above"

Cons: "It's not the first time that I was forced to gate check my carry on luggage. They claim that the cabinet in the plan is full while actually there is plenty of spaces for multiple luggages to be there. The crew was rude and refuse to explain it in an acceptable way. When I asked why cant I carry it when there is enough space, she simply says because you just can't. Do you want to take the plan or not! This is unacceptable."

Cons: "Almost did NOT make it home to Salisbury airport. 3 hr layover in Philadelphia. Tried to obtain seat assignment 1 1/2 hrs prior to departure and was only told it was too soon and they would call my name. 5 minutes prior to boarding, checked again and told by another airport helper that the flight was OVERBOOKED and now I was on STANDBY. Purchased tickets over a month and a half ago. No problems getting to Orlando but to return to this- UNACCEPTABLE. DO NOT OVERBOOK a flight!!!!!!!! People make plans, have to work the following day and face the chance of not making it home-POOR CUSTOMER SERVICE!!!!!!! Thankfully 5 people did not show for the flight, should NOT gamble with that!!!!!!!"

Cons: "Arrived twenty minutes late. AA refused to accept responsibility for this and compensate me, even though my transportation had departed without me as a result of their tardiness."

Pros: "Friendly crew"
Cons: "Having to pay extra $$ for seating and not enough together"

Cons: "Wifi. Cleaning out back pocket of seat"

Pros: "Crew was ok they seemed disconnected from the passengers"

Cons: "food"

Pros: "The view."
Cons: "Landed early by a bit. Made to wait on runway 30 minutes before we could park at gate. Figure it out United - maybe if you worked with your airport partners better they’d help you the 1 or 2 times you’re actually early."

Cons: "More frequent drinks/water"

Pros: "Very well-run flight. Crew was on top of everything. Very cheery."

Cons: "I don't like not having a TV screen"

Cons: "Flight was cancelled"

Cons: "Chicago airport has the rudest group of people that work in the airport but I've ever seen in all of my life! My flight landed late due to Airline delays no one would help me get across the entire airport the far terminal that I had to go to it was absolutely ridiculous because of this I'm still in Chicago I'm not even reached my destination"

Pros: "Safe travel"
Cons: "Cramped and warm"

Pros: "New Polaris Business"
Cons: "Cabin crew"

Pros: "It was quick all around."
Cons: "N/A"

Pros: "It was a satisfying experience with United Airline from ABE shuttle bus ride (I said Shuttle) to EWR. It sure saved me the 2 hours driving during rush hour, and wears and tearS on my personal car, if you have 2 hours extra time during the day. Otherwise (If you want to save time), drive yourself to EWR and park."
Cons: "It does take up 2 more hours"

Pros: "Nothing"
Cons: "Landed in Canada to let off a "sick" passenger, sat there for hours and after the pilot made countless excuses, including needing to refuel, needing a new route, and needing to de-ice the plane, he finally announced that we're headed all the way back to Newark for some unknown reason. Worst flight ever. Couldn't be any less happy. F*** this airline. Will never use again. Ruined my vacation, thanks a lot."

Pros: "Loved the staff. Was a great afternoon flight. Best flight I have been on thus far."

Pros: "On time. Made connecting international flight ok."

Pros: "Nothing. Terrible service"
Cons: "The toilet over flowing and delaying my flight to the point of missing my connection."

Pros: "Easy check in and boarding. Nice airports"
Cons: "small.seats. poor snacks"

Cons: "AC was broken. They could at least give you a second cup of water. Tired of being treated like an animal"

Pros: "Nothing"
Cons: "I didn't like that there was in fact no plane to board at the time it was scheduled"

Pros: "It got us from a to b but not much more to be said!"
Cons: "The idea of the entertainment system broadcast to your hand held device is fine - it didn't work for me though."

Cons: "Not enough leg room"

Pros: "Friendly flight attendants"
Cons: "Terrible food. Cramped, uncomfortable seats. No in-flight entertainment, app did not work."

Pros: "Short flight, so no food or entertainment"

Pros: "The crew at the gate as well as the crew on the plane were excellent and very helpful. The gate crew made rerouting very easy."
Cons: "The 3 hour delay made for an exceptionally long trip. Delays are so very common on United; especially when connecting through O'Hare."

Pros: "I love the small plane. It feels like you get more attention from the flight attendant."
Cons: "I don't like that the air condition is so loud that we cannot hear the speaker announce local time and weather conditions."

Pros: "they gave me a row with all three seats open so I could sleep on the way home on a red eye. Absolutely excellent crew."

Pros: "Coffe and snack"

Pros: "N/A"
Cons: "I had 2 minutes left to board, and they wouldn't let me. Instead they closed the door. But United was get me a ticket home. Unlike LH..."

Cons: "Arrived in SFO late due to delay from SBP on flight 5022. Rushed to the gate for flight 5992 which was scheduled to board at 2:00 and depart at 2:25. Arrived at the gate at 2:12 with 4 other passengers, 3 of which came from flight 5022. Found the door to the jetway closed and no airline employee to be seen. One fellow passenger ran to a neighboring gate to ask an employee for help and was told they could not help us. Another passenger called united customer service and was put on hold. At 2:23 the united employee emerged from the jetway and told us that we had gotten there too late. When we told the employee that all 5 passengers had been waiting at the gate for ever 10 minutes, the employee argued, insisted that we were lying. This was not only extremely unprofessional but also added insult to injury after we had missed this flight due to fault 100% on united's shoulders and none of our own. I am completely baffled how an employee could not wait just a few minutes when you have 5 passengers rushing in late. The employee could have looked in the system and seen that we were already on the ground and coming from a near by gate. I was rebooked on flight 1889 at a later time. After boarding 1889 a maintenance issue was detected requiring all passengers to deplane. It is beyond me why this issue was not discovered until after the flight had been boarded, when at that time the plane had been sitting at the gate for over two hours. After being delayed over an hour we were on our way to Austin. Ultimately I arrived in Austin 5 hours after my original arrival time due to the incompetence of united airlines. I was disappointed by the lack of professionalism and compassion by united employees throughout the ordeal."

Pros: "The flight attendants at united make everything super easy. I'm an anxious person when I get to the airport but I know that if I have any questions the united airlines crew will take care of me. The pilots are amazing and airways land the plane smoothly."

Pros: "The newer plane with good leg room and the flight attendants were great."
Cons: "Small overhead bins. Had to check my carry-on"

Pros: "It never took off. I should have just drove from NYC to Milwaukee. It would have been faster! Now, I have to deal with baggage issues because they made me unnecessarily check my carry on."
Cons: "All of it"

Pros: "Terrible"

Pros: "I'm shocked to find united airlines uses such thin seats. You can pay for upgrade but those seats are the normal old seats that weren't comfortable to begin with. Now the seats are even worst."
Cons: "Seating was too compact"

Pros: "couldn't access wifi. crowded cabin. passengers being loud/obtrusive. long delay for takeoff."

Pros: "Plane was only 2/3 full so we had plenty of room to relax. Service and food was ok as well"
Cons: "All was good from bossing through customs"

Pros: "They helped with the seating so my son and I could sit together."
Cons: "Can't complain about anything."

Pros: "Everything went as it should. Very happy."

Pros: "N/A"
Cons: "Seats were uncomfortable, no TVS & food was horrible"

Pros: "There were good movies."
Cons: "Food didn't look great. There was a vegetarian option, which was nice to hear, though I opted to just eat food that I bought since the food looked like TV dinners. Also snacks were like pastries and cheese/meat sandwiches, which I didn't try. I would appreciate healthier snacks, like fresh fruit, or failing that, dried fruit and nuts. Also there were no electrical outlets, which made it a lot harder to get any work done on the flight. For such a long flight this was disappointing."

Pros: "The food"
Cons: "Waited half an hour to take off"

Pros: "Flight a lot easier then flight up to NY. Didn't have to ride with left over storm conditions. Smoother flight."

Cons: "Not much. Brand new 737-800 that was the most cramped uncomfortable cabin/seats I've ever been in next to a commuter flight. Middle seat in the last row no recline didn't help. And my knees were up against the seat in front of me all the way. Was battling back cramps and spasms. Felt like a sardine. And we got no beverage service"

Cons: "PRICE, overcrowding, crying kids, crew wasn't very polite they seemed irrittated"

Pros: "Nothing at all Delta is very reliable the people that work for Delta are very nice the people that work for United have a lot to learn they need training learn how to talk to passengers I was called a third-grader just because I didn't know where my seat was very irritating"
Cons: "Nothing whatsoever I would never fly United ever again not when there's Delta Delta is very friendly United is not friendly at all the people are very rude it seems like they don't want to mess with nobody this is a very big mess"

Cons: "I didn't like being on the very last row."

Pros: "Newer plane. Very nice staff"
Cons: "Floor around seat was dirty. Lot of exaggerated braking. Suggested a new pilot perhaps?"

Pros: "I love the check in process!! You go to a kiosk and print your boarding pass and luggage tag and then just go and hand in your bag to an agent. Soooo easy. Then no ones in line forever. I was very impressed with the little extra amount of leg space that is not always on most planes. The flight wasn't very full and the crew was kind and generous with a couple of us wanting to switch our seats around. The tvs in the back of the headrest definitely kept me occupied watching New Girl. Overall, I was very comfortable and got to my destination without getting upset or angry once...which can't be said for all airlines."
Cons: "The security line for united in Newark was RIDICULOUS! It didn't take very long to get through...maybe 30-45 minutes (which I planned for) but the line snaked through two floors and wrapped through the check in area. It just looked incredibly daunting. But I realize that there isn't really much that can be done about that!"

Cons: "Delayed for electrical problems. Not enough food on board. Squeaky seats."