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Cheap flights from Denver to Houston from $77

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to Houston departing on 9/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Frontier Logo
6:00 am - 5:47 pmDEN-IAH
10h 47m1 stop
Frontier Logo
6:15 am - 7:55 amIAH-DEN
2h 40mnonstop
$120Frontier
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Sun, Sep 7 - Thu, Sep 11
Frontier Logo
12:00 pm - 3:42 pmDEN-IAH
2h 42mnonstop
Frontier Logo
8:06 pm - 3:59 amIAH-DEN
8h 53m1 stop
$121Frontier
Find Deal
Wed, Oct 29 - Sun, Nov 2
Frontier Logo
5:00 pm - 8:42 pmDEN-IAH
2h 42mnonstop
Frontier Logo
9:08 pm - 10:53 pmIAH-DEN
2h 45mnonstop
$122Frontier
Find Deal
Tue, Sep 2 - Fri, Sep 5
Southwest Logo
4:40 pm - 8:00 pmDEN-HOU
2h 20mnonstop
Southwest Logo
8:25 pm - 9:55 pmHOU-DEN
2h 30mnonstop
$157Southwest
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Sat, Oct 4 - Sat, Oct 11
Logo
7:17 pm - 5:50 amDEN-IAH
9h 33m1 stop
Logo
7:30 am - 9:11 amIAH-DEN
2h 41mnonstop
$171
Find Deal
Mon, Sep 29 - Wed, Oct 1
Southwest Logo
5:10 pm - 8:35 pmDEN-HOU
2h 25mnonstop
Southwest Logo
9:15 pm - 10:45 pmHOU-DEN
2h 30mnonstop
$177Southwest
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Tue, Sep 23 - Fri, Sep 26
American Airlines Logo
5:44 am - 2:03 pmDEN-HOU
7h 19m1 stop
American Airlines Logo
6:44 pm - 10:09 pmHOU-DEN
4h 25m1 stop
$202American Airlines
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Sat, Sep 20 - Sat, Sep 27
American Airlines Logo
9:03 am - 3:59 pmDEN-HOU
5h 56m1 stop
American Airlines Logo
2:33 pm - 7:47 pmHOU-DEN
6h 14m1 stop
$216American Airlines
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Thu, Sep 25 - Sat, Sep 27
Delta Logo
12:59 am - 9:49 amDEN-HOU
7h 50m1 stop
Delta Logo
6:37 pm - 11:59 pmHOU-DEN
6h 22m1 stop
$227Delta
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Mon, Sep 22 - Fri, Sep 26
Delta Logo
6:00 am - 1:28 pmDEN-HOU
6h 28m1 stop
Delta Logo
6:00 am - 11:55 amHOU-DEN
6h 55m1 stop
$231Delta
Find Deal
Thu, Nov 27 - Wed, Dec 3

American Airlines flights from Denver to Houston

Our best American Airlines deals on Denver to Houston flight tickets
American Airlines
Sep 20
DEN5:44 amDenver Intl
7h 19m
1 stop
HOU2:03 pmHouston Hobby
Sep 27
HOU6:44 pmHouston Hobby
4h 25m
1 stop
DEN10:09 pmDenver Intl
$202
Find similar
American Airlines
Sep 25
DEN9:03 amDenver Intl
5h 56m
1 stop
HOU3:59 pmHouston Hobby
Sep 27
HOU2:33 pmHouston Hobby
6h 14m
1 stop
DEN7:47 pmDenver Intl
$216
Find similar
American Airlines
Sep 6
DEN8:27 amDenver Intl
6h 28m
1 stop
HOU3:55 pmHouston Hobby
Sep 27
HOU2:33 pmHouston Hobby
6h 14m
1 stop
DEN7:47 pmDenver Intl
$222
Find similar

Delta flights from Denver to Houston

Our best Delta deals on Denver to Houston flight tickets
Delta
Sep 22
DEN12:59 amDenver Intl
7h 50m
1 stop
HOU9:49 amHouston Hobby
Sep 26
HOU6:37 pmHouston Hobby
6h 22m
1 stop
DEN11:59 pmDenver Intl
$227
Find similar
Delta
Nov 27
DEN6:00 amDenver Intl
6h 28m
1 stop
HOU1:28 pmHouston Hobby
Dec 3
HOU6:00 amHouston Hobby
6h 55m
1 stop
DEN11:55 amDenver Intl
$231
Find similar
Delta
Sep 13
DEN2:00 pmDenver Intl
7h 37m
1 stop
HOU10:37 pmHouston Hobby
Sep 15
HOU6:37 pmHouston Hobby
6h 22m
1 stop
DEN11:59 pmDenver Intl
$245
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Denver to Houston that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 25, 2025.
Use the filters below to find and compare flights from Denver to Houston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DenverHouston

DEN - IAH

DENIAH

Denver Intl

Sun 9/7

6:00 am-5:47 pm

1 stop10h 47m

Houston George Bush Intcntl

Thu 9/11

6:15 am-7:55 am

Nonstop2h 40m

$120

DenverHouston

DEN - IAH

DENIAH

Denver Intl

Wed 10/29

12:00 pm-3:42 pm

Nonstop2h 42m

Houston George Bush Intcntl

Sun 11/2

8:06 pm-3:59 am

1 stop8h 53m

$121

DenverHouston

DEN - IAH

DENIAH

Denver Intl

Tue 9/2

5:00 pm-8:42 pm

Nonstop2h 42m

Houston George Bush Intcntl

Fri 9/5

9:08 pm-10:53 pm

Nonstop2h 45m

$122

DenverHouston

DEN - HOU

DENHOU

Denver Intl

Sat 10/4

4:40 pm-8:00 pm

Nonstop2h 20m

Houston Hobby

Sat 10/11

8:25 pm-9:55 pm

Nonstop2h 30m

$157

DenverHouston

DEN - IAH

DENIAH

Denver Intl

Mon 9/29

7:17 pm-5:50 am

1 stop9h 33m

Houston George Bush Intcntl

Wed 10/1

7:30 am-9:11 am

Nonstop2h 41m

$171

DenverHouston

DEN - HOU

DENHOU

Denver Intl

Tue 9/23

5:10 pm-8:35 pm

Nonstop2h 25m

Houston Hobby

Fri 9/26

9:15 pm-10:45 pm

Nonstop2h 30m

$177

DenverHouston

DEN - HOU

DENHOU

Denver Intl

Sat 9/20

5:44 am-2:03 pm

1 stop7h 19m

Houston Hobby

Sat 9/27

6:44 pm-10:09 pm

1 stop4h 25m

$202

DenverHouston

DEN - HOU

DENHOU

Denver Intl

Thu 9/25

9:03 am-3:59 pm

1 stop5h 56m

Houston Hobby

Sat 9/27

2:33 pm-7:47 pm

1 stop6h 14m

$216

DenverHouston

DEN - HOU

DENHOU

Denver Intl

Mon 9/22

12:59 am-9:49 am

1 stop7h 50m

Houston Hobby

Fri 9/26

6:37 pm-11:59 pm

1 stop6h 22m

$227

DenverHouston

DEN - HOU

DENHOU

Denver Intl

Thu 11/27

6:00 am-1:28 pm

1 stop6h 28m

Houston Hobby

Wed 12/3

6:00 am-11:55 am

1 stop6h 55m

$231

Flights are sorted by cheapest round-trip flights first.

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

How to get the cheapest flight ticket from Denver to Houston

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 cheapest month to fly to Houston?

The month of January is, on average, the cheapest month to fly to Houston from Denver, with most prices found around $133. The month of February is another great option to travel to Houston, with average flight prices from Denver averaging around $138.

What is the cheapest day to depart on your flight to Houston?

On average, the least expensive day to fly to Houston from Denver is on a Friday. momondo users have found tickets for Friday departures for as low as $212. However, this price may fluctuate depending on the airline, the season, and holidays. 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 on Sunday is $414.

What is the cheapest time of day to depart on your flight to Houston?

Our data shows that the cheapest Denver to Houston flights are usually those with departure times in the evening. Our users have found flights to Houston in the evening for as low as $203. Try not to purchase tickets at noon because they tend to be around $605. 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 flight route?

Fly from Denver Intl to Houston Hobby for the best Denver Intl - Houston flight prices

How far in advance should I book a flight to Houston?

You are more likely to see cheaper flights to Houston from Denver when booking weeks ahead of your departure date. In general, you can expect to find flights to Houston for around $180 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston from Denver for as low as $149 on momondo.

What cabin class options are available on Denver Intl to Houston flights?

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

Cheap Denver to Houston flight deals and tips

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

Fastest flight time

2h 15m

Direct flights

Every day

Airports in Houston

2 airports
The fastest flight from Denver to Houston takes 2h 15m
Direct flights go from Denver to Houston every day.
There are 2 airports near Houston: Houston George Bush Intcntl (IAH), Houston Hobby (HOU)
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  • How far is Denver Intl to Houston by plane?

    The distance between Denver Intl and Houston is about 877.8 mi. 2h 20m is a normal flight duration for this route.

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

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

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

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

    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.

  • What documentation or ID do you need to fly to Houston?

    The travel and health documents you'll need for your trip to Houston may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Houston. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Denver to Houston

Compare and see reviews for airlines that fly from Denver to Houston with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $63Free CancellationRating
5.8
3,201 reviews
Search Frontier flights
United AirlinesPriceFrom $160Free CancellationRating
7.4
8,940 reviews
Search United Airlines flights
SouthwestPriceFrom $174Free CancellationRating
8.0
4,243 reviews
Search Southwest flights
American AirlinesPriceFrom $316Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Denver to Houston for you.

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?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Houston from Denver.

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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