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.
Round-trip from | $108 (Frontier) |
---|---|
One-way from | $75 (Frontier) |
Popular in | December |
Cheapest in | January |
Average price | $168 |
Good round-trip deal | $180 or less |
Good one-way deal | $130 or less |
Fly from
Fly to
Route
Depart
Return
Price
HoustonDenver
IAH - DEN
IAHDEN
Houston George Bush Intcntl
Sat 8/2
10:04 pm-11:48 pm
Nonstop2h 44m
Denver Intl
Mon 8/4
6:50 am-10:24 am
Nonstop2h 34m
HoustonDenver
IAH - DEN
IAHDEN
Houston George Bush Intcntl
Tue 7/8
10:04 pm-11:48 pm
Nonstop2h 44m
HoustonDenver
IAH - DEN
IAHDEN
Houston George Bush Intcntl
Wed 10/1
5:14 am-6:44 am
Nonstop2h 30m
HoustonDenver
IAH - DEN
IAHDEN
Houston George Bush Intcntl
Mon 8/4
7:21 pm-10:40 pm
1 stop4h 19m
HoustonDenver
IAH - DEN
IAHDEN
Houston George Bush Intcntl
Fri 8/29
6:50 pm-11:03 pm
1 stop5h 13m
Booking 76 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, October is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Denver (average of $197). Flying from Houston George Bush Intcntl Airport to Denver in March is currently the most expensive (average of $278). 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 50% 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 Tuesday 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.
The most flights from IAH to DEN are scheduled on a Thursday (37 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (20 on average).
Comfort
Food
Overall
Crew
Entertainment
Boarding
Reviews
Kim,May 2025
PIH - SLC
Comfort
Food
Overall
Crew
Entertainment
Boarding
Reviews
Kim,May 2025
PIH - SLC
Comfort
Food
Overall
Crew
Entertainment
Boarding
Reviews
Kim,May 2025
PIH - SLC
Comfort
Food
Overall
Crew
Entertainment
Boarding
Reviews
Kim,May 2025
PIH - SLC
Comfort
Food
Overall
Crew
Entertainment
Boarding
Reviews
Kim,May 2025
PIH - SLC
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$52 | Average$147 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$155 | Average$313 | FlexibilityNo cancel fee | On-time69% | |
Cheapest$196 | Average$394 | FlexibilityNo cancel fee | On-time71% |