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 | $149 (KAYAK) |
---|---|
One-way from | $78 (Kiwi.com) |
Popular in | December |
Cheapest in | January |
Average price | $179 |
Good round-trip deal | $170 or less |
Good one-way deal | $115 or less |
Fly from
Fly to
Route
Depart
Return
Price
HoustonDenver
IAH - DEN
IAHDEN
Houston George Bush Intcntl
Tue 8/26
3:27 pm-5:10 pm
Nonstop2h 43m
Denver Intl
Sat 8/30
7:05 am-10:44 am
Nonstop2h 39m
HoustonDenver
IAH - DEN
IAHDEN
Houston George Bush Intcntl
Tue 8/19
1:10 pm-8:22 pm
1 stop8h 12m
Denver Intl
Thu 8/21
7:20 am-1:47 pm
1 stop5h 27m
HoustonDenver
IAH - DEN
IAHDEN
Houston George Bush Intcntl
Thu 8/14
3:58 pm-12:15 am
1 stop9h 17m
Denver Intl
Wed 8/20
5:45 am-11:56 am
1 stop5h 11m
HoustonDenver
IAH - DEN
IAHDEN
Houston George Bush Intcntl
Thu 8/7
5:00 am-6:32 am
Nonstop2h 32m
Denver Intl
Mon 8/11
4:35 pm-8:07 pm
Nonstop2h 32m
HoustonDenver
IAH - DEN
IAHDEN
Houston George Bush Intcntl
Tue 7/1
10:04 pm-11:47 pm
Nonstop2h 43m
HoustonDenver
IAH - DEN
IAHDEN
Houston George Bush Intcntl
Tue 8/12
10:07 am-3:44 pm
1 stop6h 37m
HoustonDenver
IAH - DEN
IAHDEN
Houston George Bush Intcntl
Fri 8/15
3:58 pm-12:15 am
1 stop9h 17m
HoustonDenver
IAH - DEN
IAHDEN
Houston George Bush Intcntl
Wed 8/13
8:48 pm-6:19 pm
2 stops22h 31m
HoustonDenver
IAH - DEN
IAHDEN
Houston George Bush Intcntl
Fri 8/22
6:00 am-6:37 pm
2 stops13h 37m
HoustonDenver
IAH - DEN
IAHDEN
Houston George Bush Intcntl
Tue 7/15
8:35 pm-10:29 pm
Nonstop2h 54m
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 48% 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 Monday (38 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (19 on average).
In terms of precipitation, rainfall in Denver ranges from 0.5 - 2.3 inches per month. May is typically the wettest month, when rainfall can reach 2.3 in. January is typically the driest time to visit Denver when rainfall is around 0.5 in.
If weather is an important factor for your trip to Denver, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).
Crew
Boarding
Food
Overall
Entertainment
Comfort
Reviews
James,Apr 2025
LAX - SFO
Crew
Boarding
Food
Overall
Entertainment
Comfort
Reviews
James,Apr 2025
LAX - SFO
Crew
Boarding
Food
Overall
Entertainment
Comfort
Reviews
James,Apr 2025
LAX - SFO
Crew
Boarding
Food
Overall
Entertainment
Comfort
Reviews
James,Apr 2025
LAX - SFO
Crew
Boarding
Food
Overall
Entertainment
Comfort
Reviews
James,Apr 2025
LAX - SFO
Crew
Boarding
Food
Overall
Entertainment
Comfort
Reviews
James,Apr 2025
LAX - SFO
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$52 | Average$142 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$156 | Average$314 | FlexibilityNo cancel fee | On-time69% | |
Cheapest$196 | Average$394 | FlexibilityNo cancel fee | On-time71% |