Find cheap flights from Denver to Houston

DEN - IAH

Find cheap flights from Denver to Houston

Round-trip
Economy
Denver (DEN)
Houston George Bush Intcntl
Thu 8/13
Thu 8/20
Any month
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Good to know

Low season

September Best time to beat the crowds with an average 29% drop in price.

High season

March Most popular time to fly with an average 31% increase in price.

Average price of a round-trip

$146 (avg. price over the last 2 weeks)

Good deal for a round-trip

$137 or less

When to book flights from Denver to Houston

Estimated round-trip price
Average price per month
Flight prices as travel date approaches
-1 day
-2 days

Top tips for finding a cheap flight

  • Looking for a cheap flight? 25% of our users found flights on this route for $74 or less.
  • The cheapest flight from Denver to Houston was found 20 days before departure, on average.
  • Book at least 1 week before departure in order to get a below-average price.
  • High season is considered to be February, March and April. The cheapest month to fly is September.
  • Morning departure is around 32% more expensive than an evening flight, on average*.
*Average of the lowest prices shown in KAYAK’s search results for departures within the next 30 days

FAQs for booking Denver to Houston flights

Which airlines have a flexible cancellation policy for flights from Denver Intl to Houston George Bush Intcntl due to COVID-19?

How long does a flight from Denver to Houston take?

How many flights are there between Denver and Houston?

Which airlines provide the cheapest flights from Denver to Houston?

Do I need a passport to fly between Denver and Houston?

Which airlines fly most frequently between Denver and Houston?

What’s the cheapest day of the week to fly Denver to Houston?

Which airports will I be using when flying from Denver to Houston?

How does KAYAK find such low prices on flights from Denver to Houston?

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Denver to Houston?

What is the Hacker Fare option on flights from Denver to Houston?

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Denver to Houston?

Top airline flying Denver Intl to Houston George Bush Intcntl

Scores according to KAYAK customer reviews

5.6
Spirit Airlines
Overall score based on 61,234 reviews
6.2
Boarding
5.4
Comfort
6.5
Crew
4.6
Entertainment
4.8
Food
Airline reviews
Read more about Spirit Airlines

Book cheap flights from Denver to Houston

Recent round-trip flight deals

8/3
Mon
nonstop
Spirit Airlines
2h 26m
DEN - IAH
8/5
Wed
nonstop
Spirit Airlines
2h 30m
IAH - DEN
7/23
Thu
nonstop
Multiple Airlines
2h 26m
DEN - IAH
8/15
Sat
nonstop
Multiple Airlines
2h 32m
IAH - DEN
7/23
Thu
nonstop
Multiple Airlines
2h 26m
DEN - IAH
7/26
Sun
nonstop
Multiple Airlines
2h 31m
IAH - DEN
8/15
Sat
nonstop
Spirit Airlines
2h 26m
DEN - IAH
8/22
Sat
nonstop
Spirit Airlines
2h 30m
IAH - DEN
7/23
Thu
nonstop
Spirit Airlines
2h 26m
DEN - IAH
7/26
Sun
nonstop
Spirit Airlines
2h 29m
IAH - DEN
8/3
Mon
nonstop
Spirit Airlines
2h 26m
DEN - IAH
8/5
Wed
1 stop
Spirit Airlines
5h 59m
IAH - DEN
7/30
Thu
nonstop
Multiple Airlines
2h 26m
DEN - IAH
8/4
Tue
nonstop
Multiple Airlines
2h 30m
IAH - DEN
7/23
Thu
nonstop
Spirit Airlines
2h 26m
DEN - IAH
7/30
Thu
nonstop
Spirit Airlines
2h 29m
IAH - DEN
8/7
Fri
nonstop
Multiple Airlines
2h 26m
DEN - IAH
8/12
Wed
nonstop
Multiple Airlines
2h 32m
IAH - DEN
7/23
Thu
nonstop
Spirit Airlines
2h 26m
DEN - IAH
7/30
Thu
nonstop
Spirit Airlines
2h 30m
IAH - DEN
7/23
Thu
1 stop
Multiple Airlines
10h 39m
DEN - IAH
7/26
Sun
nonstop
Multiple Airlines
2h 31m
IAH - DEN
8/14
Fri
nonstop
Spirit Airlines
2h 26m
DEN - IAH
8/21
Fri
nonstop
Spirit Airlines
2h 30m
IAH - DEN
8/3
Mon
nonstop
Multiple Airlines
2h 28m
DEN - IAH
8/5
Wed
1 stop
Multiple Airlines
5h 59m
IAH - DEN
7/23
Thu
nonstop
Spirit Airlines
2h 26m
DEN - IAH
7/28
Tue
1 stop
Spirit Airlines
6h 12m
IAH - DEN
7/23
Thu
nonstop
Multiple Airlines
2h 26m
DEN - IAH
7/26
Sun
nonstop
Multiple Airlines
2h 29m
IAH - DEN
7/30
Thu
nonstop
Multiple Airlines
2h 26m
DEN - IAH
7/31
Fri
nonstop
Multiple Airlines
2h 31m
IAH - DEN
7/31
Fri
nonstop
Spirit Airlines
2h 26m
DEN - IAH
8/4
Tue
nonstop
Spirit Airlines
2h 30m
IAH - DEN
Show more results

Search by stops

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Recent one-way flight deals

7/30
Thu
nonstop
Spirit Airlines
2h 26m
DEN - IAH
8/1
Sat
1 stop
Multiple Airlines
15h 44m
DEN - IAH
7/31
Fri
nonstop
Spirit Airlines
2h 26m
DEN - IAH
8/15
Sat
nonstop
Spirit Airlines
2h 26m
DEN - IAH
7/29
Wed
1 stop
Spirit Airlines
10h 39m
DEN - IAH
7/31
Fri
1 stop
Spirit Airlines
10h 39m
DEN - IAH
9/12
Sat
nonstop
Spirit Airlines
2h 25m
DEN - IAH
8/4
Tue
1 stop
Multiple Airlines
15h 03m
DEN - IAH
7/28
Tue
1 stop
Multiple Airlines
15h 44m
DEN - IAH
8/4
Tue
1 stop
Spirit Airlines
10h 39m
DEN - IAH
8/15
Sat
1 stop
Multiple Airlines
15h 03m
DEN - IAH
8/8
Sat
1 stop
Multiple Airlines
27h 47m
DEN - IAH
8/2
Sun
1 stop
Spirit Airlines
10h 39m
DEN - IAH
7/30
Thu
1 stop
Multiple Airlines
14h 57m
DEN - IAH
8/1
Sat
1 stop
Spirit Airlines
10h 39m
DEN - IAH
7/27
Mon
2 stops
Multiple Airlines
12h 12m
DEN - IAH
7/29
Wed
1 stop
Spirit Airlines
10h 39m
DEN - IAH
8/9
Sun
nonstop
Spirit Airlines
2h 26m
DEN - IAH
8/2
Sun
2 stops
Multiple Airlines
23h 58m
DEN - IAH
7/30
Thu
nonstop
Spirit Airlines
2h 26m
DEN - IAH
Show more results
*
Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

We compile tonnes of data for you
Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

If you have more questions or if you have a bad price to report to us,
please send us an and someone from our team will get back to you promptly.

^
The fares displayed include all taxes and fees for economy class travel and were found by the provider in the last 72 hours. Seats are limited and may not be available on all flights and days. Fares are subject to change and may not be available on all flights or dates of travel. Some carriers charge additional fees for extra checked bags. Please check the carriers' sites.
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