Frontier's UpFront Plus seats guarantee 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 | $111 (Cheapflightsfares) |
---|---|
One-way from | $77 (Flightnetwork) |
Popular in | December |
Cheapest in | January |
Average price | $168 |
Fly from
Fly to
Route
Depart
Return
Price
HoustonDenver
IAH - DEN
IAHDEN
Houston George Bush Intcntl
Thu 9/11
6:15 am-7:55 am
Nonstop2h 40m
Denver Intl
Sun 9/14
7:40 am-11:09 am
Nonstop2h 29m
HoustonDenver
HOU - DEN
HOUDEN
Houston Hobby
Wed 10/1
4:30 pm-6:10 pm
Nonstop2h 40m
Denver Intl
Sat 10/4
6:10 pm-9:35 pm
Nonstop2h 25m
HoustonDenver
IAH - DEN
IAHDEN
Houston George Bush Intcntl
Wed 8/6
5:00 am-6:32 am
Nonstop2h 32m
Denver Intl
Wed 8/6
8:31 pm-11:59 pm
Nonstop2h 28m
HoustonDenver
HOU - DEN
HOUDEN
Houston Hobby
Sat 8/9
8:51 am-1:55 pm
1 stop6h 04m
Denver Intl
Fri 8/15
12:47 pm-7:59 pm
1 stop6h 12m
HoustonDenver
IAH - DEN
IAHDEN
Houston George Bush Intcntl
Sun 9/21
5:00 am-8:13 am
1 stop4h 13m
Denver Intl
Mon 9/29
7:16 am-6:09 pm
1 stop9h 53m
HoustonDenver
HOU - DEN
HOUDEN
Houston Hobby
Wed 9/3
6:05 pm-10:30 pm
1 stop5h 25m
HoustonDenver
IAH - DEN
IAHDEN
Houston George Bush Intcntl
Mon 8/4
6:00 am-7:40 am
Nonstop2h 40m
HoustonDenver
IAH - DEN
IAHDEN
Houston George Bush Intcntl
Tue 8/5
8:35 pm-10:29 pm
Nonstop2h 54m
HoustonDenver
IAH - DEN
IAHDEN
Houston George Bush Intcntl
Fri 8/15
5:05 am-9:45 am
1 stop5h 40m
HoustonDenver
HOU - DEN
HOUDEN
Houston Hobby
Fri 8/8
6:00 am-9:45 am
1 stop4h 45m
The best time to book flights from Houston to Denver is 34 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Currently, October is the cheapest month in which you can book a flight from Houston to Denver (average of $197). Flying from Houston 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.
A simple way to save on the total cost of your ticket is to fly from Houston to Denver in the afternoon. If you’re flexible enough to do this you can expect to save up to 9% on your trip compared to booking a flight in the evening.
Travelers seeking maximum savings on their Houston to Denver flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Entertainment
Food
Crew
Overall
Boarding
Comfort
Reviews
Gina,Apr 2025
LAS - DEN
Entertainment
Food
Crew
Overall
Boarding
Comfort
Reviews
Gina,Apr 2025
LAS - DEN
Entertainment
Food
Crew
Overall
Boarding
Comfort
Reviews
Gina,Apr 2025
LAS - DEN
Entertainment
Food
Crew
Overall
Boarding
Comfort
Reviews
Gina,Apr 2025
LAS - DEN
Entertainment
Food
Crew
Overall
Boarding
Comfort
Reviews
Gina,Apr 2025
LAS - DEN
Entertainment
Food
Crew
Overall
Boarding
Comfort
Reviews
Gina,Apr 2025
LAS - DEN
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$53 | Average$151 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$138 | Average$236 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$156 | Average$316 | FlexibilityNo cancel fee | On-time69% | |
Cheapest$177 | Average$289 | FlexibilityNo cancel fee | On-time63% | |
Cheapest$196 | Average$407 | FlexibilityNo cancel fee | On-time71% |