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$89+ Cheap flights from Houston to Denver (DEN)

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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — DEN
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Houston to Denver Intl are usually found in January or February, booked 34 days in advance, depart on a Wednesday or Saturday and return on a Friday

Cheap flight deals from Houston to Denver

Discover tips and strategies to find the most affordable flight options for your journey from Houston (HO1) to Denver (DEN). 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

$89
(American Airlines)

Popular in

December

Cheapest in

January

Average price

$178
From Houston to Denver Intl
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One-way flight from Houston to Denver Intl
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Highest demand for flights based on searches. 1% potential increase in price ($1 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($5 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 Houston to Denver

Cheapest flights from Houston to Denver
Explore the most affordable flight options available from Houston to Denver. 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 6/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/236:00 amIAH - DEN
Nonstop2h 36mFrontier
Sat 9/277:53 pmDEN - IAH
Nonstop2h 32mFrontier
Deal found 6/10$141
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/56:10 amHOU - DEN
Nonstop2h 25mSouthwest
Thu 8/78:50 pmDEN - HOU
Nonstop2h 25mSouthwest
Deal found 6/9$157
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/235:00 amIAH - DEN
1 stop5h 41mAmerican Airlines
Thu 8/288:34 amDEN - IAH
1 stop6h 10mAmerican Airlines
Deal found 6/10$182
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/178:25 pmHOU - DEN
1 stop4h 16mAmerican Airlines
Sat 8/232:45 pmDEN - HOU
1 stop4h 14mAmerican Airlines
Deal found 6/10$202
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/157:33 amIAH - DEN
1 stop8h 27mDelta
Mon 7/2112:59 amDEN - IAH
1 stop6h 37mDelta
Deal found 6/12$217
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/88:03 pmHOU - DEN
1 stop12h 13mAllegiant Air
Sun 8/105:42 pmDEN - HOU
1 stop23h 31mAllegiant Air
Deal found 6/11$240
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.
Thu 12/41:00 pmHOU - DEN
1 stop8h 20mDelta
Mon 12/812:59 amDEN - HOU
1 stop7h 24mDelta
Deal found 6/10$308
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 7/178:40 pmHOU - DEN
1 stop11h 55mSun Country Air
Sat 7/196:01 pmDEN - HOU
1 stop22h 05mSun Country Air
Deal found 6/11$365
This eDestinos 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/88:03 pmHOU - DEN
1 stop12h 13mMultiple Airlines
Sat 8/912:59 amDEN - HOU
2 stops14h 31mMultiple Airlines
Deal found 6/10$410

Cheapflights Fare Finder

Customize your flight search to find flights from Houston to Denver 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 Houston to Denver that are best for you.

Fly from

Houston

Fly to

Denver

Route

Depart

Return

Price

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

Tue 9/23

6:00 am-7:36 am

Nonstop2h 36m

Denver Intl

Sat 9/27

7:53 pm-11:25 pm

Nonstop2h 32m

$141

HoustonDenver

HOU - DEN

HOUDEN

Houston Hobby

Tue 8/5

6:10 am-7:35 am

Nonstop2h 25m

Denver Intl

Thu 8/7

8:50 pm-12:15 am

Nonstop2h 25m

$157

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

Mon 8/4

9:57 pm-11:38 pm

Nonstop2h 41m

Denver Intl

Mon 8/11

5:05 pm-8:38 pm

Nonstop2h 33m

$157

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

Sat 8/23

10:07 am-1:55 pm

1 stop4h 48m

Denver Intl

Thu 8/28

8:34 am-3:44 pm

1 stop6h 10m

$182

HoustonDenver

HOU - DEN

HOUDEN

Houston Hobby

Sun 8/17

8:25 pm-11:41 pm

1 stop4h 16m

Denver Intl

Sat 8/23

2:45 pm-7:59 pm

1 stop4h 14m

$202

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

Tue 7/15

5:33 pm-11:28 pm

1 stop6h 55m

Denver Intl

Tue 7/22

5:30 am-11:44 am

1 stop5h 14m

$217

HoustonDenver

HOU - DEN

HOUDEN

Houston Hobby

Fri 7/11

6:40 pm-12:20 am

1 stop6h 40m

Denver Intl

Tue 7/15

6:00 am-3:21 pm

1 stop8h 21m

$237

HoustonDenver

HOU - DEN

HOUDEN

Houston Hobby

Fri 8/8

8:03 pm-7:16 am

1 stop12h 13m

Denver Intl

Sun 8/10

5:42 pm-6:13 pm

1 stop23h 31m

$240

HoustonDenver

HOU - DEN

HOUDEN

Houston Hobby

Thu 7/17

8:40 pm-7:35 am

1 stop11h 55m

Denver Intl

Sat 7/19

6:01 pm-5:06 pm

1 stop22h 05m

$365

HoustonDenver

HOU - DEN

HOUDEN

Houston Hobby

Fri 8/8

8:03 pm-7:16 am

1 stop12h 13m

Denver Intl

Sat 8/9

12:59 am-4:30 pm

2 stops14h 31m

$410

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 23 results
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The best insider tips for Houston to Denver 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 Houston to Denver trip
Airlines
Frontier

Frontier's UpFront Plus seats guarantee an empty middle seat for added comfort.


Frontier offers Zone 1 boarding with a carry-on bag purchase or special fare bundle.

Read more about Frontierby Marisa Garcia
United Airlines

Basic Economy on United allows a personal item only, no carry-on bags without extra fees.


United Economy Plus offers extra legroom seats at the front of the economy cabin.

Read more about United Airlinesby Harriet Baskas
Airports
IAH

Check the IAH Depart tab for current security wait times to plan your arrival accordingly.

Read more about IAHby Evie Carrick
HOU

HOU's compact terminal allows travelers to arrive closer to departure time, making it convenient for quick check-ins.

Read more about HOUby Scott Laird
DEN

Use the A Line train for a quick 37-minute ride from DEN to Denver's Union Station, running every 15 minutes.

Read more about DENby Emily Zemler
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 Houston to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from Houston 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 Houston to Denver

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

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

The best time to book flights from Houston to Denver is 34 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, October is the cheapest month in which you can book a flight from Houston to Denver (average of $197). Flying from Houston to Denver in March is currently the most expensive (average of $278). 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 HOU to DEN?

Find hourly flight availability from Houston to Denver. 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 Houston to Denver in the afternoon. If you’re flexible enough to do this you can expect to save up to 14% on your trip compared to booking a flight in the evening.

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

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

Travelers seeking maximum savings on their Houston to Denver flight should consider departing on Tuesday afternoons 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 Denver by month

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

In terms of precipitation, rainfall in Denver ranges from 0.5 - 2.3 inches per month. May is typically the wettest month, when rainfall can reach 2.3 in. January is typically the driest time to visit Denver when rainfall is around 0.5 in.

Temperature in Denver by month

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

If weather is an important factor for your trip to Denver, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Denver

Get insights into the airlines that provide service to Denver. 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 Denver. Reviews last updated June 12, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from Houston to Denver. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

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

Boarding

8.1

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

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

Boarding

8.1

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

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
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

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

Boarding

8.1

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

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

Boarding

8.1

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

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 Houston to Denver. 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 into for flights to Denver from Houston?

    Located just 18.5 mi from the city center, Denver Intl is the airport most travelers will use when flying to Denver from Houston. Booking flights from Houston to Denver Intl (DEN) should be relatively easy as there are 6 daily inbound flights from Houston from 4 different airlines.

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

    Currently priced at $141, Frontier will fly you from Houston to Denver and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Southwest and United Airlines - these airlines can fly you to your destination from $157 and $157, respectively. Frontier is priced at 17% lower than the current average price of a flight leaving 3 months from now.

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

    The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $89. However, be on the lookout for offers from United Airlines and Frontier, as they are both options that can get you from Houston to Denver for a low price.

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

    Before booking your flight to Denver from Houston, check out the most reliable airlines to get you to your destination on time: Southwest (69%), Frontier (58%), Sun Country Air( 0%).

  • What are the cheapest flights from Houston to Denver?

    On average you can expect to pay $240 for a flight from Houston to Denver. The cheapest flight overall is $78 while the most popular route, (Houston Hobby - Denver Intl) is currently priced at $151.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Houston to Denver 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 Houston to Denver?

    Currently, October is the cheapest month in which you can book a flight from Houston to Denver (average of $197). Flying from Houston to Denver in March is currently the most expensive (average of $278). 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

Traveling to a place near Houston?

Book flights to Houston if you plan to visit one of these locations
Westminster
Black Hawk
Winter Park
Lakewood
Cripple Creek
Golden
Brighton
Silverthorne
Thornton
Frisco
Grand Lake
Broomfield
Central City
Glendale
Copper Mountain
Wheat Ridge
Longmont
Idaho Springs
Greeley
Limon

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Alternative routes for Houston to Denver

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

Discover the top 4 airlines that operate flights from Houston to Denver. 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$52Average$142FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$155Average$315FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$179Average$291FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$198Average$398FlexibilityNo cancel feeOn-time71%

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