Frontier's Economy Bundle includes a carry-on and standard seat choice, ideal for budget travelers.
Avoid Airport Agent Assistance fees by checking in online or at a kiosk for free.
Low season | February |
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High season | October |
Cheapest flight | $77 |
Direct departures
Denver Intl to Houston George Bush Intcntl
Monday
Air Canada, Air New Zealand, Avianca, +3 more
Air Canada, Air New Zealand, +4 more
2
3
Tuesday
Air Canada, Air New Zealand, Avianca, +3 more
Air Canada, Air New Zealand, +4 more
2
3
Wednesday
Air Canada, Air New Zealand, Avianca, +3 more
Air Canada, Air New Zealand, +4 more
2
3
Thursday
Air Canada, Air New Zealand, Avianca, +3 more
Air Canada, Air New Zealand, +4 more
2
3
Friday
Air Canada, Air New Zealand, Avianca, +3 more
Air Canada, Air New Zealand, +4 more
2
3
Saturday
Air Canada, Air New Zealand, Avianca, +3 more
Air Canada, Air New Zealand, +4 more
2
3
Sunday
Air Canada, Air New Zealand, Avianca, +3 more
Air Canada, Air New Zealand, +4 more
2
3
Direct returns
Houston George Bush Intcntl to Denver Intl
Monday
Air Canada, Air New Zealand, Avianca, +3 more
Air Canada, Air New Zealand, +4 more
2
3
Tuesday
Air Canada, Air New Zealand, Avianca, +3 more
Air Canada, Air New Zealand, +4 more
2
3
Wednesday
Air Canada, Air New Zealand, Avianca, +3 more
Air Canada, Air New Zealand, +4 more
2
3
Thursday
Air Canada, Air New Zealand, Avianca, +3 more
Air Canada, Air New Zealand, +4 more
2
3
Friday
Air Canada, Air New Zealand, Avianca, +3 more
Air Canada, Air New Zealand, +4 more
2
3
Saturday
Air Canada, Air New Zealand, Avianca, +3 more
Air Canada, Air New Zealand, +4 more
2
3
Sunday
Air Canada, Air New Zealand, Avianca, +3 more
Air Canada, Air New Zealand, +4 more
2
3
Armrest controller on my seat 35D and nextbooennseat 35E did not work right. Hard to press buttons to recognize and 35D had constantnpressure either upmost down somit was nearly impossible to make selections. .
Armrest controller on my seat 35D and nextbooennseat 35E did not work right. Hard to press buttons to recognize and 35D had constantnpressure either upmost down somit was nearly impossible to make selections. .
I flew with my dog and had already purchased my dog’s ticket. Even that morning I had called costumer service to insure that my husband and I had seats together since the website was giving me an error when choosing our seats and the representative mentioned our dog. I showed up early to the airport and when I got to the gate and we started boarding I was help back and told that I was supposed to have a yellow tag and that I should have checked in at the counter for them to give me that tag. I was not aware of this, the representative on the phone did not say anything. Nor did I see it anywhere in the checking process online, so if you travel with a pet and are not checking in luggage, just know that you still have to go to the check in counter when arriving at the airport unless you want to be the last one to board and not have room for your carry on in the overhead bins. Other than that, I had a great experience.
This flight was perfect. No complaints and only the highest regard for the crew and ground staff and how they executed perfectly. I fly a lot with United and would request predictability and transparency in their operations instead of last minute changes.
This is for UA2274 from Houston to Sacramento. The flight was delayed arriving due to mechanical issues so we left about 3 hours later than scheduled. When boarding the plane the temperature inside was excessive - likely close to 100. Pilot apologized and said it was going to improve at altitude, which it did. But before that I honestly thought there might have been more delays removing passengers made ill from the heat. We were delayed leaving due to another mechanical issue. There was not water on the plane due to a panel that was not secured. They did that quickly, but the combination of mechanical issues was rather disturbing and did not reflect well on United.
United sent me a mileage plus number last year but that number is invalid so I can’t use it to check into flights or collect mileage. There is human to speak about the problem, only computers who keep asking me if I am using the correct email. It’s so frustrating and I cannot resolve it.
The woman gate agent in Phoenix was none too sympathetic about my check-in process as I am relatively new with using apps. I almost did not get on because she said I did not check-in. I thought I had via Kayak where I purchased a very expensive ticket. Lesson learned but to be told I may not get on as a matter of factly was difficult to hear.
Gate agent did not hold flight for connection, provided no assistance to get new flight
The plane pushed back from the gate on time. However, it stopped on the ramp, and we waited for over 20 minutes before the aircraft pulled back to the gate. Apparently, something of importance had to be removed from the aircraft by the gate agent. I found this to be odd. The delay was not significant, but I felt that whatever was on the aircraft that had to be taken off, should’ve been done before we pushed back from the gate.
Smooth boarding process. Early departure, smooth flight, early arrival. The entertainment package has very good recent movie options. The flight crew were friendly and professional.
I don’t understand the purpose of the orange “priority” tag on my bag. This tagged, my bag is last or near to the last bag to come down the carousel at IAH.
What I expected, nickeled and dined and a frontier flight attendant loudly complained about her job and lack of communication as she headed to the gate on her cell phone. Not professional.
My flight was canceled I was promised a reginf still not received.
I’m not gonna fly Frontier Airlines because booking is not an option. No water or food is for high price, not equipped for health emergency incompetent crew for emergency services. Cheap airline shows it is cheaper in all service categories. Boarding is the best of all airlines!
Very bad! No good service delayed my second connection flight
Frontier is terrible. Paid for exit row, not given exit row, refused to refund fee.
2 hour delay due to late plane, wrong size plane causing overbooking, and people getting off and on the plane after boarding was completed.
The worst. We never made our connection and they did absolutely nothing to help us at the airport.
I never got to experience the flight because they delayed my first flight and I missed this one. Then Frontier didn't want to help me rebook a flight to get me to my final destination.
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.
Everything went as planned. Crew was great. Seats were still not that comfortable.
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