Frontier's UpFront Plus guarantees an empty middle seat for added comfort.
Frontier offers Zone 1 boarding with a carry-on bag purchase or special fare bundle.
Most accurate provider | FlightHub 3 stars |
---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $94 (Kiwi.com) |
One-way from | $47 (Trip.com) |
Popular in | December |
Cheapest in | January |
Average price | $187 |
Good round-trip deal | $164 or less |
Good one-way deal | $104 or less |
Fly from
Fly to
Route
Depart
Return
Price
HoustonDenver
IAH - DEN
IAHDEN
Houston George Bush Intcntl
Wed 1/7
11:55 am-7:14 pm
1 stop8h 19m
Denver Intl
Tue 1/20
12:59 am-8:51 am
1 stop6h 52m
HoustonDenver
IAH - DEN
IAHDEN
Houston George Bush Intcntl
Wed 12/10
1:36 pm-8:30 pm
1 stop7h 54m
Denver Intl
Mon 12/15
12:50 am-8:49 am
1 stop6h 59m
HoustonDenver
IAH - DEN
IAHDEN
Houston George Bush Intcntl
Thu 12/4
12:35 pm-5:52 pm
1 stop6h 17m
Denver Intl
Mon 12/8
12:50 am-8:49 am
1 stop6h 59m
HoustonDenver
IAH - DEN
IAHDEN
Houston George Bush Intcntl
Sat 12/6
2:30 pm-8:02 pm
1 stop6h 32m
Denver Intl
Mon 12/8
12:50 am-8:49 am
1 stop6h 59m
HoustonDenver
IAH - DEN
IAHDEN
Houston George Bush Intcntl
Wed 12/3
4:28 pm-11:03 pm
1 stop7h 35m
Denver Intl
Thu 12/4
12:50 am-8:49 am
1 stop6h 59m
HoustonDenver
IAH - DEN
IAHDEN
Houston George Bush Intcntl
Thu 11/27
11:05 am-3:54 pm
1 stop5h 49m
Denver Intl
Tue 12/2
1:59 pm-11:14 pm
1 stop8h 15m
HoustonDenver
IAH - DEN
IAHDEN
Houston George Bush Intcntl
Wed 12/24
7:42 am-3:13 pm
1 stop8h 31m
Denver Intl
Thu 12/25
8:05 am-5:33 pm
1 stop8h 28m
HoustonDenver
IAH - DEN
IAHDEN
Houston George Bush Intcntl
Wed 1/7
6:00 am-2:10 pm
1 stop9h 10m
Denver Intl
Mon 1/19
12:59 am-8:51 am
1 stop6h 52m
HoustonDenver
IAH - DEN
IAHDEN
Houston George Bush Intcntl
Tue 10/28
5:30 am-11:45 am
1 stop7h 15m
Denver Intl
Tue 10/28
4:16 pm-10:54 pm
1 stop5h 38m
HoustonDenver
IAH - DEN
IAHDEN
Houston George Bush Intcntl
Tue 10/28
7:40 am-2:46 pm
1 stop8h 06m
Denver Intl
Sat 11/1
12:10 pm-7:41 pm
1 stop6h 31m
Provider | Price Accuracy | Trust Score* |
---|---|---|
Price Accuracy2 stars | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy2 stars | Trust Score*1 star | |
Price Accuracy2 stars | Trust Score*3 stars | |
Price Accuracy- | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy- | Trust Score*1 star | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*3 stars |
Booking 86 days in advance of your planned departure date is, on average, the best time to get cheap flights from Houston George Bush Intcntl Airport to Denver. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, January is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Denver (average of $44). Flying from Houston George Bush Intcntl Airport to Denver in July is currently the most expensive (average of $112). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
It’s typically best to fly out from Houston George Bush Intcntl Airport to Denver at noon. Doing so could potentially save you 45% on the flight price compared to flying in the afternoon, which is usually more expensive.
Travelers seeking maximum savings on their Houston George Bush Intcntl Airport to Denver flight should consider departing on Saturday at noon when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Entertainment
Overall
Food
Comfort
Crew
Boarding
Reviews
Julia,Sep 2025
BUF - DEN
Entertainment
Overall
Food
Comfort
Crew
Boarding
Reviews
Julia,Sep 2025
BUF - DEN
Entertainment
Overall
Food
Comfort
Crew
Boarding
Reviews
Julia,Sep 2025
BUF - DEN
Entertainment
Overall
Food
Comfort
Crew
Boarding
Reviews
Julia,Sep 2025
BUF - DEN
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$60 | Average$163 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$158 | Average$318 | FlexibilityNo cancel fee | On-time69% | |
Cheapest$196 | Average$366 | FlexibilityNo cancel fee | On-time71% |