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$66+ 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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — HOU
Jul 6 — Jul 131
Sun 7/6
Sun 7/13
1 adult, Economy
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Cheapflights Tip: The best prices from Denver Intl to Houston are usually found in January or August, 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 July 1, 2025.

Round-trip from

$120
(Priceline)

One-way from

$66
(Priceline)

Popular in

May

Cheapest in

January

Average price

$156
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. 15% potential increase in price ($32 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 July 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 July 1, 2025.

This Priceline deal was found by Cheapflights users on 6/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/286:50 amDEN - IAH
Nonstop2h 34mFrontier
Mon 8/42:14 pmIAH - DEN
1 stop9h 57mFrontier
Deal found 6/30$120
This Southwest deal was found by Cheapflights users on 6/30. 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.
Thu 8/75:55 amDEN - HOU
Nonstop2h 25mSouthwest
Mon 8/117:15 pmHOU - DEN
Nonstop2h 35mSouthwest
Deal found 6/30$157
This American Airlines deal was found by Cheapflights users on 6/30. 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 8/146:10 amDEN - HOU
1 stop6h 41mAmerican Airlines
Thu 8/218:25 pmHOU - DEN
1 stop4h 11mAmerican Airlines
Deal found 6/30$178
This Delta deal was found by Cheapflights users on 6/30. 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.
Fri 9/1912:59 amDEN - HOU
1 stop7h 50mDelta
Sat 9/2710:44 amHOU - DEN
1 stop7h 29mDelta
Deal found 6/30$268
This Sun Country Air deal was found by Cheapflights users on 6/30. 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.
Wed 7/236:06 pmDEN - HOU
1 stop22h 06mSun Country Air
Sun 7/276:05 pmHOU - DEN
1 stop14h 30mSun Country Air
Deal found 6/30$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 July 1, 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

Mon 7/28

6:50 am-10:24 am

Nonstop2h 34m

Houston George Bush Intcntl

Mon 8/4

2:14 pm-11:11 pm

1 stop9h 57m

$120

DenverHouston

DEN - HOU

DENHOU

Denver Intl

Thu 8/7

5:55 am-9:20 am

Nonstop2h 25m

Houston Hobby

Mon 8/11

7:15 pm-8:50 pm

Nonstop2h 35m

$157

DenverHouston

DEN - HOU

DENHOU

Denver Intl

Thu 8/14

6:10 am-1:51 pm

1 stop6h 41m

Houston Hobby

Thu 8/21

8:25 pm-11:36 pm

1 stop4h 11m

$178

DenverHouston

DEN - HOU

DENHOU

Denver Intl

Wed 8/20

10:41 am-5:39 pm

1 stop5h 58m

Houston Hobby

Sat 8/30

10:22 am-5:11 pm

1 stop7h 49m

$217

DenverHouston

DEN - IAH

DENIAH

Denver Intl

Fri 9/5

1:42 pm-9:52 pm

1 stop7h 10m

$66

DenverHouston

DEN - HOU

DENHOU

Denver Intl

Mon 9/15

8:50 pm-12:15 am

Nonstop2h 25m

$79

DenverHouston

DEN - IAH

DENIAH

Denver Intl

Sat 8/9

5:02 am-8:31 am

Nonstop2h 29m

$89

DenverHouston

DEN - IAH

DENIAH

Denver Intl

Sat 11/8

10:43 am-5:06 pm

1 stop5h 23m

$94

DenverHouston

DEN - HOU

DENHOU

Denver Intl

Wed 7/30

6:03 am-1:53 pm

1 stop6h 50m

$99

DenverHouston

DEN - HOU

DENHOU

Denver Intl

Fri 8/15

12:59 am-9:26 am

1 stop7h 27m

$109

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/28

Showing 1-10 of 12 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 27, 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 July 1, 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 47% 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.

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 July 1, 2025.
Read through reviews of airlines operating flights from Denver to Houston, such as Southwest, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,278 reviews

Food

7.0

Boarding

8.2

Crew

8.6

Entertainment

7.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.0
Very good
4,278 reviews
Southwest
8.0
Very good
4,278 reviews

Food

7.0

Boarding

8.2

Crew

8.6

Entertainment

7.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,969 reviews
Southwest
8.0
Very good
4,278 reviews

Food

7.0

Boarding

8.2

Crew

8.6

Entertainment

7.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,852 reviews
Southwest
8.0
Very good
4,278 reviews

Food

7.0

Boarding

8.2

Crew

8.6

Entertainment

7.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,278 reviews

Food

7.0

Boarding

8.2

Crew

8.6

Entertainment

7.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Sun Country Air
6.9
Okay
340 reviews
Southwest
8.0
Very good
4,278 reviews

Food

7.0

Boarding

8.2

Crew

8.6

Entertainment

7.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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 $120, 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 30% 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 $66. Users have also found prices from $79 and $89 on Southwest and United 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 (65%), Frontier (25%), Sun Country Air( 0%).

  • What are the cheapest flights from Denver to Houston?

    Looking at all options, your cheapest flight can be booked for $108. While the most popular route (Denver Intl - Houston Hobby) can be booked for $112 on average our data indicates $265 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 July 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$57Average$151FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$157Average$335FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$177Average$288FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$326Average$471FlexibilityNo cancel feeOn-time71%

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