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Cheap flights from Denver to Houston from $103

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Denver to Houston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
2:59 pm - 6:27 pmDEN  Denver Intl-IAH Houston George Bush Intcntl
2h 28mnonstop
Frontier Logo
10:28 am - 12:16 pmIAH  Houston George Bush Intcntl-DEN Denver Intl
2h 48mnonstop
$137Frontier
Tue, Feb 2 - Fri, Feb 5
Frontier Logo
12:21 pm - 7:23 amDEN  Denver Intl-IAH Houston George Bush Intcntl
18h 02m2 stops Lambert-St Louis Atlanta Hartsfield-Jackson
Frontier Logo
11:39 am - 11:53 pmIAH  Houston George Bush Intcntl-DEN Denver Intl
13h 14m1 stop Phoenix Sky Harbor Intl
$138Frontier
Wed, Oct 28 - Wed, Nov 4
Frontier Logo
10:43 am - 10:31 pmDEN  Denver Intl-IAH Houston George Bush Intcntl
10h 48m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
12:19 pm - 9:33 pmIAH  Houston George Bush Intcntl-DEN Denver Intl
10h 14m1 stop Atlanta Hartsfield-Jackson
$140Frontier
Wed, Oct 28 - Wed, Nov 4
Frontier Logo
4:12 pm - 7:19 amDEN  Denver Intl-IAH Houston George Bush Intcntl
14h 07m2 stops Dallas/Fort Worth Atlanta Hartsfield-Jackson
Frontier Logo
10:40 pm - 12:18 amIAH  Houston George Bush Intcntl-DEN Denver Intl
2h 38mnonstop
$140Frontier
Wed, Oct 21 - Sun, Oct 25
United Airlines Logo
5:00 am - 8:33 amDEN  Denver Intl-IAH Houston George Bush Intcntl
2h 33mnonstop
United Airlines Logo
9:50 pm - 11:29 pmIAH  Houston George Bush Intcntl-DEN Denver Intl
2h 39mnonstop
$289United Airlines
Sat, Dec 5 - Mon, Dec 7
United Airlines Logo
1:30 pm - 5:00 pmDEN  Denver Intl-IAH Houston George Bush Intcntl
2h 30mnonstop
United Airlines Logo
10:25 am - 12:07 pmIAH  Houston George Bush Intcntl-DEN Denver Intl
2h 42mnonstop
$292United Airlines
Sat, Oct 31 - Fri, Nov 6
Multiple Airlines Logo
8:20 am - 11:59 pmDEN  Denver Intl-IAH Houston George Bush Intcntl
14h 39m2 stops San Diego Seattle/Tacoma Intl
Multiple Airlines Logo
9:24 pm - 6:36 amIAH  Houston George Bush Intcntl-DEN Denver Intl
10h 12m1 stop Atlanta Hartsfield-Jackson
$294Multiple Airlines
Tue, Nov 17 - Tue, Dec 1
United Airlines Logo
5:00 am - 8:28 amDEN  Denver Intl-IAH Houston George Bush Intcntl
2h 28mnonstop
United Airlines Logo
7:20 am - 9:02 amIAH  Houston George Bush Intcntl-DEN Denver Intl
2h 42mnonstop
$295United Airlines
Fri, Oct 23 - Sun, Oct 25
Delta Logo
11:45 am - 9:10 pmDEN  Denver Intl-IAH Houston George Bush Intcntl
8h 25m1 stop Atlanta Hartsfield-Jackson
Delta Logo
8:00 am - 1:10 pmIAH  Houston George Bush Intcntl-DEN Denver Intl
6h 10m1 stop Atlanta Hartsfield-Jackson
$309Delta
Thu, Jan 7 - Sat, Jan 9
American Airlines Logo
6:43 pm - 11:59 pmDEN  Denver Intl-IAH Houston George Bush Intcntl
4h 16m1 stop Dallas/Fort Worth
American Airlines Logo
5:00 am - 8:09 amIAH  Houston George Bush Intcntl-DEN Denver Intl
4h 09m1 stop Dallas/Fort Worth
$312American Airlines
Thu, Oct 22 - Sun, Oct 25

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Frontier flights from Denver to Houston George Bush Intcntl Airport

Our best Frontier deals on Denver to Houston George Bush Intcntl Airport flight tickets
Frontier
Feb 2
DEN2:59 pmDenver Intl
2h 28m
IAH6:27 pmHouston George Bush Intcntl
Feb 5
IAH10:28 amHouston George Bush Intcntl
2h 48m
DEN12:16 pmDenver Intl
$137
Frontier
Oct 28
DEN12:21 pmDenver Intl
18h 02m
2 stops
IAH7:23 amHouston George Bush Intcntl
Nov 4
IAH11:39 amHouston George Bush Intcntl
13h 14m
1 stop
DEN11:53 pmDenver Intl
$138
Frontier
Oct 21
DEN4:12 pmDenver Intl
14h 07m
2 stops
IAH7:19 amHouston George Bush Intcntl
Oct 25
IAH10:40 pmHouston George Bush Intcntl
2h 38m
DEN12:18 amDenver Intl
$140

momondo Fare Finder

 
Use the filters below to find and compare flights from Denver to Houston George Bush Intcntl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverHouston

DEN Denver Intl - IAH Houston George Bush Intcntl

DENIAH

Denver Intl

Tue 2/2

2:59 pm-6:27 pm

Nonstop2h 28m

Houston George Bush Intcntl

Fri 2/5

10:28 am-12:16 pm

Nonstop2h 48m

$137

DenverHouston

DEN Denver Intl - IAH Houston George Bush Intcntl

DENIAH

Denver Intl

Wed 10/28

12:21 pm-7:23 am

2 stops18h 02m

Houston George Bush Intcntl

Wed 11/4

11:39 am-11:53 pm

1 stop13h 14m

$138

DenverHouston

DEN Denver Intl - IAH Houston George Bush Intcntl

DENIAH

Denver Intl

Wed 10/28

10:43 am-10:31 pm

1 stop10h 48m

Houston George Bush Intcntl

Wed 11/4

12:19 pm-9:33 pm

1 stop10h 14m

$140

DenverHouston

DEN Denver Intl - IAH Houston George Bush Intcntl

DENIAH

Denver Intl

Wed 10/21

4:12 pm-7:19 am

2 stops14h 07m

Houston George Bush Intcntl

Sun 10/25

10:40 pm-12:18 am

Nonstop2h 38m

$140

DenverHouston

DEN Denver Intl - IAH Houston George Bush Intcntl

DENIAH

Denver Intl

Sat 12/5

5:00 am-8:33 am

Nonstop2h 33m

Houston George Bush Intcntl

Mon 12/7

9:50 pm-11:29 pm

Nonstop2h 39m

$289

DenverHouston

DEN Denver Intl - IAH Houston George Bush Intcntl

DENIAH

Denver Intl

Sat 10/31

1:30 pm-5:00 pm

Nonstop2h 30m

Houston George Bush Intcntl

Fri 11/6

10:25 am-12:07 pm

Nonstop2h 42m

$292

DenverHouston

DEN Denver Intl - IAH Houston George Bush Intcntl

DENIAH

Denver Intl

Tue 11/17

8:20 am-11:59 pm

2 stops14h 39m

Houston George Bush Intcntl

Tue 12/1

9:24 pm-6:36 am

1 stop10h 12m

$294
Quickest round-trip

DenverHouston

DEN Denver Intl - IAH Houston George Bush Intcntl

DENIAH

Denver Intl

Fri 10/23

5:00 am-8:28 am

Nonstop2h 28m

Houston George Bush Intcntl

Sun 10/25

7:20 am-9:02 am

Nonstop2h 42m

$295

DenverHouston

DEN Denver Intl - IAH Houston George Bush Intcntl

DENIAH

Denver Intl

Thu 1/7

11:45 am-9:10 pm

1 stop8h 25m

Houston George Bush Intcntl

Sat 1/9

8:00 am-1:10 pm

1 stop6h 10m

$309

DenverHouston

DEN Denver Intl - IAH Houston George Bush Intcntl

DENIAH

Denver Intl

Thu 10/22

6:43 pm-11:59 pm

1 stop4h 16m

Houston George Bush Intcntl

Sun 10/25

5:00 am-8:09 am

1 stop4h 09m

$312

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to Houston from

How to get the cheapest flight ticket from Denver to Houston George Bush Intcntl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Denver and Houston George Bush Intcntl Airport?

Prices are currently low for flights on this route.

Typical prices usually range from $150 to $370.
The lowest price recently found on this route was $138.

What is the cheapest month to fly to Houston George Bush Intcntl Airport?

The month of January is, on average, the cheapest month to fly to Houston George Bush Intcntl Airport from Denver, with most prices found around $196. If you are unable to visit Houston George Bush Intcntl Airport during the month of January, then departing from Denver during the month December is also very affordable. Most momondo users find prices during this month for around $240.

What is the cheapest day to depart on your flight to Houston George Bush Intcntl Airport?

The cheapest day to depart from Denver to Houston George Bush Intcntl Airport is on a Thursday. Travelers who choose to depart for Houston George Bush Intcntl Airport on a Thursday will often find tickets for as low as $381. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Houston George Bush Intcntl Airport on Sunday is $554.

What is the cheapest time of day to depart on your flight to Houston George Bush Intcntl Airport?

Our data shows that the cheapest Denver to Houston George Bush Intcntl Airport flights are usually those with departure times in the evening. Our users have found flights to Houston George Bush Intcntl Airport in the evening for as low as $285. Try not to purchase tickets at noon because they tend to be around $624. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Denver Intl to Houston George Bush Intcntl flight route?

Fly from Denver Intl to Houston George Bush Intcntl for the best Denver Intl - Houston George Bush Intcntl flight prices

How far in advance should I book a flight from Denver to Houston George Bush Intcntl Airport?

You are more likely to see cheaper flights to Houston George Bush Intcntl Airport from Denver when booking weeks ahead of your departure date. In general, you can expect to find flights to Houston George Bush Intcntl Airport for around $283 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston George Bush Intcntl Airport from Denver for as low as $196 on momondo.

What cabin class options are available on Denver to Houston George Bush Intcntl Airport flights?

There are 4 cabin classes available to choose from on Denver to Houston George Bush Intcntl Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Denver to Houston George Bush Intcntl Airport flight prices changed over time?

As of October 2026, prices for Denver to Houston George Bush Intcntl Airport flights are approximately 13% more expensive when compared to flights at the same time last year.

When to book flights from Denver to Houston George Bush Intcntl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Denver to Houston George Bush Intcntl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Denver to Houston George Bush Intcntl Airport (DEN to IAH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Denver to Houston George Bush Intcntl Airport

Best Price Found

$103

Fastest flight time

2h 19m

Direct flights

Every day
The best one-way flight to Houston George Bush Intcntl Airport from Denver in the past 72 hours is $103. The best round-trip flight deal from Denver to Houston George Bush Intcntl Airport found on momondo in the last 72 hours is $137.
The fastest flight from Denver to Houston George Bush Intcntl Airport takes 2h 19m
Direct flights go from Denver to Houston George Bush Intcntl Airport every day.
Search flight deals

Frequently asked questions about flying from Denver to Houston George Bush Intcntl Airport

  • How far is Denver Intl to Houston George Bush Intcntl by plane?

    There are 865.9 mi between Denver Intl and Houston George Bush Intcntl. 2h 19m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Denver Intl Airport to Houston George Bush Intcntl Airport?

    Prices for flights from Denver Intl Airport to Houston George Bush Intcntl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Denver Intl Airport to Houston George Bush Intcntl Airport?

  • How old do you have to be to fly from Denver Intl Airport to Houston George Bush Intcntl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Denver Intl Airport to Houston George Bush Intcntl Airport.

  • What documentation or ID do you need to fly to Houston George Bush Intcntl Airport?

    The required travel and health documents for your Houston George Bush Intcntl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Houston George Bush Intcntl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Denver to Houston George Bush Intcntl Airport?

  • What is the most popular airline from Denver to Houston George Bush Intcntl Airport?

Best airlines flying from Denver to Houston George Bush Intcntl Airport

Compare and see reviews for airlines that fly from Denver to Houston George Bush Intcntl Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $64Free CancellationRating
5.6
2,563 reviews
Search Frontier flights
United AirlinesPriceFrom $197Free CancellationRating
7.4
10,280 reviews
Search United Airlines flights

  • United Airlines Flights From Denver to Houston George Bush Intcntl Airport

    Across 57 United Airlines flights from Denver to Houston George Bush Intcntl Airport this week, the average price was $420, with the best United Airlines deals starting from $197 round-trip. 10,280 users have rated United Airlines on momondo, with an average score of 7.4/10.

  • Frontier Flights From Denver to Houston George Bush Intcntl Airport

    Frontier is also a popular choice for this route. Frontier flight deals for Denver to Houston George Bush Intcntl Airport start from as low as $64 round-trip, depending on your selected dates, with average Frontier deals seen on momondo around $190. Frontier operates 11 flights to Houston George Bush Intcntl Airport from Denver in an average week. Users have rated it 5.6/10 across 2,563 reviews.

Traveling to a place near Houston?

Book flights to Houston if you plan to visit one of these locations
Katy
The Woodlands
Humble
Montgomery
Conroe
Spring
Cypress
Jersey Village
Livingston
Tomball

Why use momondo?

Why should I use momondo to find a flight deal from Denver to Houston?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Denver to Houston. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Denver to Houston with flexible booking policies on momondo?

momondo does allow users to show only those flights to Houston from Denver which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Denver to Houston?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Denver to Houston.

I’m not ready to book a flight from Denver to Houston right now. Can momondo alert me if prices change?

Price alerts on flights to Houston from Denver are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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