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$59+ 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 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — DEN
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
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 27 days in advance, depart on a Wednesday or Friday 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 September 17, 2025.

Round-trip from

$96
(Frontier)

One-way from

$59
(Cheapflightsfares)

Popular in

December

Cheapest in

January

Average price

$198
From Houston to Denver Intl
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One-way flight from Houston to Denver Intl
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High demand for flights, 5% potential price rise
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 17, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 9/17. 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 10/49:08 pmIAH - DEN
Nonstop2h 45mFrontier
Sat 10/117:52 pmDEN - IAH
Nonstop2h 32mFrontier
Deal found 9/17$95
This Frontier deal was found by Cheapflights users on 9/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/17:30 amIAH - DEN
Nonstop2h 41mFrontier
Tue 10/78:10 pmDEN - IAH
Nonstop2h 26mFrontier
Deal found 9/16$96
This Cheapflightsfares deal was found by Cheapflights users on 9/17. 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 10/43:11 pmIAH - DEN
1 stop5h 52mFrontier
Wed 10/87:00 amDEN - IAH
Nonstop2h 29mFrontier
Deal found 9/17$101
This Frontier deal was found by Cheapflights users on 9/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/254:42 pmIAH - DEN
Nonstop2h 39mFrontier
Fri 10/318:13 pmDEN - IAH
Nonstop2h 26mFrontier
Deal found 9/14$102
This Frontier deal was found by Cheapflights users on 9/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/114:42 pmIAH - DEN
Nonstop2h 39mFrontier
Thu 10/168:10 pmDEN - IAH
Nonstop2h 26mFrontier
Deal found 9/15$103
This Cheapflightsfares deal was found by Cheapflights users on 9/17. 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.
Wed 10/86:00 amIAH - DEN
Nonstop2h 36mFrontier
Sat 10/1110:29 pmDEN - IAH
1 stop18h 36mFrontier
Deal found 9/17$104
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/49:08 pmIAH - DEN
Nonstop2h 45mFrontier
Tue 10/77:00 amDEN - IAH
Nonstop2h 29mFrontier
Deal found 9/16$105
This Cheapflightsfares deal was found by Cheapflights users on 9/17. 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 12/66:45 amIAH - DEN
Nonstop2h 42mFrontier
Sun 12/77:00 amDEN - IAH
Nonstop2h 37mFrontier
Deal found 9/17$107
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/246:00 amIAH - DEN
Nonstop2h 36mFrontier
Fri 10/248:10 pmDEN - IAH
Nonstop2h 26mFrontier
Deal found 9/17$108
This Frontier deal was found by Cheapflights users on 9/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/126:00 amIAH - DEN
Nonstop2h 36mFrontier
Wed 10/227:00 amDEN - IAH
Nonstop2h 29mFrontier
Deal found 9/15$109
This Frontier deal was found by Cheapflights users on 9/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/49:08 pmIAH - DEN
Nonstop2h 45mFrontier
Mon 10/66:00 amDEN - IAH
1 stop12h 10mFrontier
Deal found 9/16$110
This Southwest deal was found by Cheapflights users on 9/15. 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 10/1410:30 amHOU - DEN
Nonstop2h 25mSouthwest
Tue 10/217:20 pmDEN - HOU
Nonstop2h 20mSouthwest
Deal found 9/15$157

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 September 17, 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

HOU - DEN

HOUDEN

Houston Hobby

Sat 11/8

5:25 am-6:55 am

Nonstop2h 30m

Denver Intl

Tue 11/11

6:45 pm-10:10 pm

Nonstop2h 25m

$157

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

Mon 10/13

9:40 pm-11:13 pm

Nonstop2h 33m

Denver Intl

Sat 10/18

8:34 pm-11:59 pm

Nonstop2h 25m

$157

HoustonDenver

HOU - DEN

HOUDEN

Houston Hobby

Tue 10/14

9:30 pm-10:55 pm

Nonstop2h 25m

Denver Intl

Tue 10/21

6:45 am-10:10 am

Nonstop2h 25m

$157

HoustonDenver

HOU - DEN

HOUDEN

Houston Hobby

Mon 12/8

6:20 pm-7:55 pm

Nonstop2h 35m

Denver Intl

Thu 12/11

9:25 am-12:50 pm

Nonstop2h 25m

$157

HoustonDenver

HOU - DEN

HOUDEN

Houston Hobby

Wed 12/10

12:55 pm-2:30 pm

Nonstop2h 35m

Denver Intl

Wed 12/17

6:05 am-9:40 am

Nonstop2h 35m

$157

HoustonDenver

HOU - DEN

HOUDEN

Houston Hobby

Mon 10/20

10:15 pm-11:40 pm

Nonstop2h 25m

Denver Intl

Mon 11/3

6:05 am-9:40 am

Nonstop2h 35m

$157

HoustonDenver

HOU - DEN

HOUDEN

Houston Hobby

Sat 10/25

4:00 pm-6:50 pm

1 stop3h 50m

Denver Intl

Tue 10/28

5:25 pm-8:50 pm

Nonstop2h 25m

$163

HoustonDenver

HOU - DEN

HOUDEN

Houston Hobby

Sat 11/1

4:00 pm-6:50 pm

1 stop3h 50m

Denver Intl

Tue 11/4

6:05 am-9:40 am

Nonstop2h 35m

$163

HoustonDenver

HOU - DEN

HOUDEN

Houston Hobby

Wed 10/8

8:45 am-10:15 am

Nonstop2h 30m

Denver Intl

Wed 10/15

1:10 pm-6:20 pm

1 stop4h 10m

$167

HoustonDenver

HOU - DEN

HOUDEN

Houston Hobby

Mon 10/13

6:45 pm-9:35 pm

1 stop3h 50m

Denver Intl

Mon 10/20

8:50 pm-12:10 am

Nonstop2h 20m

$167

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 37 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 September 12, 2025.

The best time to book flights from Houston to Denver is 27 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 September 17, 2025.

A simple way to save on the total cost of your ticket is to fly from Houston to Denver at noon. If you’re flexible enough to do this you can expect to save up to 8% on your trip compared to booking a flight in the morning.

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 Wednesday 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.

How much does it cost to fly round-trip from Houston to Denver?

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 September 17, 2025.
Read reviews from past customers who have flown Southwest, Delta, and United Airlines from Houston to Denver. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Entertainment

7.5

Food

7.0

Comfort

8.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Entertainment

7.5

Food

7.0

Comfort

8.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Delta
8.0
Very good
7,961 reviews
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Entertainment

7.5

Food

7.0

Comfort

8.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
United Airlines
7.4
Good
8,926 reviews
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Entertainment

7.5

Food

7.0

Comfort

8.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Entertainment

7.5

Food

7.0

Comfort

8.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Frontier
5.8
Fair
3,173 reviews
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Entertainment

7.5

Food

7.0

Comfort

8.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.

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 5 different airlines.

  • How long is the flight from Houston to Denver?

    Airlines like Southwest, United Airlines, and Delta fly from Houston to Denver in about 2h 30m. The time it takes to get you to your destination can typically vary by up to 5h 37m. The distance between Houston and Denver is about 883 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Currently priced at $58, 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 Delta and United Airlines - these airlines can fly you to your destination from $138 and $157, respectively. Frontier is priced at 68% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest flights from Houston to Denver?

    On average you can expect to pay $232 for a flight from Houston to Denver. The cheapest flight overall is $118 while the most popular route, (Houston Hobby - Denver Intl) is currently priced at $116.

  • 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 Denver?

Book flights to Denver if you plan to visit one of these locations
Black Hawk
Westminster
Golden
Winter Park
Lakewood
Broomfield
Greeley
Lone Tree
Cripple Creek
Thornton
Silverthorne
Manitou Springs
Fort Morgan
Glendale
Wheat Ridge
Brighton
Longmont
Idaho Springs
Parker
Sterling

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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 5 airlines flying from Houston to Denver

Discover the top 5 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$58Average$159FlexibilityNo cancel feeOn-time62%
DeltaCheapest$138Average$236FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$157Average$321FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$161Average$282FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$196Average$399FlexibilityNo cancel feeOn-time71%

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