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$78+ Cheap flights from Denver (DEN) to Houston

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/30. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — HOU
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Denver Intl to Houston are usually found in August or January, booked 68 days in advance, depart on a Friday or Wednesday and return on a Wednesday

Cheap flight deals from Denver to Houston

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Houston (HO1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2025.

Round-trip from

$141
(Cheapflightsfares)

One-way from

$78
(Kiwi.com)

Popular in

May

Cheapest in

August

Average price

$193
From Denver Intl to Houston
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One-way flight from Denver Intl to Houston
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Highest demand for flights based on searches. 16% potential increase in price ($33 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Denver to Houston

Cheapest flights from Denver to Houston
Explore the most affordable flight options available from Denver to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/237:05 amDEN - IAH
Nonstop2h 39mFrontier
Sat 8/308:08 pmIAH - DEN
Nonstop2h 41mFrontier
Deal found 6/12$141
This Southwest deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/45:30 amDEN - HOU
Nonstop2h 20mSouthwest
Wed 8/131:35 pmHOU - DEN
Nonstop2h 25mSouthwest
Deal found 6/11$157
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/95:30 pmDEN - IAH
Nonstop2h 20mUnited Airlines
Wed 12/179:55 pmIAH - DEN
Nonstop2h 32mUnited Airlines
Deal found 6/10$157
This American Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/287:20 amDEN - IAH
1 stop5h 27mAmerican Airlines
Wed 9/35:00 amIAH - DEN
1 stop5h 41mAmerican Airlines
Deal found 6/12$177
This American Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/110:28 amDEN - HOU
1 stop4h 28mAmerican Airlines
Tue 11/410:19 amHOU - DEN
1 stop4h 17mAmerican Airlines
Deal found 6/12$182
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/226:35 amDEN - IAH
1 stop6h 15mDelta
Tue 7/295:33 pmIAH - DEN
1 stop6h 55mDelta
Deal found 6/10$217
This Delta deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2812:59 amDEN - HOU
1 stop7h 18mDelta
Fri 8/16:40 pmHOU - DEN
1 stop6h 40mDelta
Deal found 6/9$227
This Sun Country Air deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/95:58 pmDEN - HOU
1 stop14h 24mSun Country Air
Sun 10/129:34 amHOU - DEN
1 stop9h 06mSun Country Air
Deal found 6/11$315

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Denver to Houston that are best for you.

Fly from

Denver

Fly to

Houston

Route

Depart

Return

Price

DenverHouston

DEN - IAH

DENIAH

Denver Intl

Sat 8/23

7:05 am-10:44 am

Nonstop2h 39m

Houston George Bush Intcntl

Sat 8/30

8:08 pm-9:49 pm

Nonstop2h 41m

$141

DenverHouston

DEN - HOU

DENHOU

Denver Intl

Mon 8/4

5:30 am-8:50 am

Nonstop2h 20m

Houston Hobby

Wed 8/13

1:35 pm-3:00 pm

Nonstop2h 25m

$157

DenverHouston

DEN - IAH

DENIAH

Denver Intl

Tue 12/9

5:30 pm-8:50 pm

Nonstop2h 20m

Houston George Bush Intcntl

Wed 12/17

9:55 pm-11:27 pm

Nonstop2h 32m

$157

DenverHouston

DEN - IAH

DENIAH

Denver Intl

Thu 8/28

7:20 am-1:47 pm

1 stop5h 27m

Houston George Bush Intcntl

Wed 9/3

5:00 am-9:41 am

1 stop5h 41m

$177

DenverHouston

DEN - HOU

DENHOU

Denver Intl

Sat 8/9

6:00 am-1:46 pm

1 stop6h 46m

Houston Hobby

Sat 8/16

6:00 am-9:41 am

1 stop4h 41m

$192

DenverHouston

DEN - IAH

DENIAH

Denver Intl

Tue 7/22

6:35 am-1:50 pm

1 stop6h 15m

Houston George Bush Intcntl

Wed 7/23

7:33 am-3:00 pm

1 stop8h 27m

$217

DenverHouston

DEN - HOU

DENHOU

Denver Intl

Mon 7/28

12:59 am-9:17 am

1 stop7h 18m

Houston Hobby

Fri 8/1

6:40 pm-12:20 am

1 stop6h 40m

$227

DenverHouston

DEN - HOU

DENHOU

Denver Intl

Thu 7/10

6:00 am-5:00 pm

1 stop10h 00m

Houston Hobby

Thu 7/17

8:40 pm-7:35 am

1 stop11h 55m

$325

DenverHouston

DEN - HOU

DENHOU

Denver Intl

Sat 6/21

5:43 pm-5:24 pm

1 stop22h 41m

Houston Hobby

Fri 6/27

8:01 pm-7:21 am

1 stop12h 20m

$417

DenverHouston

DEN - IAH

DENIAH

Denver Intl

Sat 8/30

7:05 am-10:44 am

Nonstop2h 39m

$78

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 22 results
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The best insider tips for Denver to Houston flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Denver to Houston trip
Airlines
Frontier

Frontier offers extra comfort seats for a fee, with 32” separation in the second row.


Frontier's early morning flights have a better chance of on-time departures and arrivals.

Read more about Frontierby Marisa Garcia
United Airlines

United's Economy Plus offers extra legroom seats towards the front of the economy cabin.


United's Premium Plus includes 2 checked bags, priority check-in, and upgraded comfort on international flights.

Read more about United Airlinesby Harriet Baskas
Airports
DEN

Use the A Line train for a quick 37-minute ride from Denver Airport to Union Station, avoiding traffic and parking hassles.

Read more about DENby Emily Zemler
IAH

For a quick ride to downtown Houston from IAH, consider Uber or Lyft, taking around 25 minutes.

Read more about IAHby Evie Carrick
HOU

HOU's compact terminal allows for quick navigation, making it ideal for travelers who prefer a short, easy airport transit.

Read more about HOUby Scott Laird
Our travel experts
Marisa Garcia

Marisa Garcia

Expert on Frontier

Marisa Garcia

Marisa Garcia

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Read more
Harriet Baskas

Harriet Baskas

Expert on United Airlines

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Evie Carrick

Evie Carrick

Expert on IAH

Evie Carrick

Evie Carrick

Evie Carrick is a writer and editor who has lived in five countries and traveled to over 50, with extensive experience flying around the world. She was born in Colorado, but has spent time flying to both coasts to visit family. She writes regularly for Travel + Leisure, BuzzFeed, and SKI and recently published seven travel journals with Simon & Schuster.

Read more
Emily Zemler

Emily Zemler

Expert on DEN

Emily Zemler

Emily Zemler

Emily is a freelance writer and book author based in London covering entertainment and travel. Her work has appeared in Los Angeles Times, Observer, and Conde Nast Traveler She has ventured to more than 40 countries and all seven continents, always in search of a great art museum. She has written extensively about hotels, luxury travel, and aviation.

Read more
Scott Laird

Scott Laird

Expert on HOU

Scott Laird

Scott Laird

Originally from Anchorage, Alaska, Scott is a frequent contributor to Fodor’s Travel Guide, Conde Nast Traveler, TravelAge West, and TravelPulse. He holds a Bachelor of Science in Organizational Management from Alaska Pacific University and a Master of Science in Airline Management from Embry-Riddle Aeronautical University, and has worked in the airline and hotel industries and as a travel consultant.

Read more

Best time to book a flight from Denver to Houston

Have a flexible travel schedule? Discover the best time to fly to Houston from Denver with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Denver to Houston

How far ahead should I book a flight from Denver to Houston?

Use this chart to determine the optimal time to book a round-trip flight from Denver to Houston. Price data was last updated on June 9, 2025.

The price you pay for your flight from Denver to Houston may vary depending on when you book. For the best chance of a lower fare, look to book 68 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Denver to Houston?

Currently, September is the cheapest month in which you can book a flight from Denver to Houston (average of $230). Flying from Denver to Houston in March is currently the most expensive (average of $332). 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.

What is the cheapest time of day to fly from DEN to HOU?

Find hourly flight availability from Denver to Houston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

A simple way to save on the total cost of your ticket is to fly from Denver to Houston in the afternoon. If you’re flexible enough to do this you can expect to save up to 52% on your trip compared to booking a flight at noon.

What is the cheapest day to fly from Denver to Houston?

Use this chart to determine the cheapest time to fly round-trip from Denver to Houston. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Denver to Houston flight should consider departing on Wednesday at noon 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.

Rainfall in Houston by month

Plan your trip to Houston by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Houston ranges from 3.2 - 5.9 inches per month. June is typically the wettest month, when rainfall can reach 5.9 in. February is typically the driest time to visit Houston when rainfall is around 3.2 in.

Temperature in Houston by month

Plan your trip to Houston by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Houston, 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 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Houston

Get insights into the airlines that provide service to Houston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Houston. Reviews last updated June 12, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from Denver to Houston by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Allegiant Air
7.3
Good
725 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Denver to Houston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Denver to Houston?

    For a flight from Denver to Houston, you will be flying from Denver Intl. Denver Intl (DEN) is just 18.5 mi from the center of the city. Denver Intl is the only Denver airport and it handles 5 outbound flights to Houston per day. 4 airlines have flights to Houston from Denver Intl on a regular basis.

  • What are the cheapest airlines flying from Denver to Houston round-trip?

    Frontier, at $141, was found to be the cheapest airline from Denver to Houston.Alternate airlines to your destination round-trip include Southwest and American Airlines. These flights start at 17% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Denver to Houston one-way?

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $78. Users have also found prices from $79 and $88 on Southwest and American Airlines, respectively.

  • What are the most reliable airlines from Denver to Houston?

    Before booking your flight to Houston from Denver, check out the most reliable airlines to get you to your destination on time: Southwest (68%), Frontier (50%), Sun Country Air( 0%).

  • What are the cheapest flights from Denver to Houston?

    Looking at all options, your cheapest flight can be booked for $87. While the most popular route (Denver Intl - Houston Hobby) can be booked for $151 on average our data indicates $306 when flying from Denver to Houston.

  • Can I find deals for flights from Denver to Houston that include hotel bookings?

    Yes. In addition to deals on Denver to Houston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Denver to Houston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Denver to Houston.

  • Can I find deals for business class flights from Denver to Houston?

    Yes. Cheapflights offers flight deals from Denver to Houston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Denver to Houston?

    Currently, September is the cheapest month in which you can book a flight from Denver to Houston (average of $230). Flying from Denver to Houston in March is currently the most expensive (average of $332). 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.

See more FAQs

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Alternative routes for Denver to Houston

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Denver to Houston

Discover the top 4 airlines that operate flights from Denver to Houston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$56Average$144FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$156Average$334FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$179Average$291FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$306Average$519FlexibilityNo cancel feeOn-time71%

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