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$80+ 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 8/14. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — DEN
Aug 15 — Aug 221
Sat 8/15
Sat 8/22
1 adult, Economy
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Find cheap flights from Houston to Denver with Cheapflights

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Cheapflights Tip: The best prices from Houston to Denver Intl are usually found in February or January, booked 46 days in advance, depart on a Tuesday or Wednesday and return on a Friday

Cheap 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 July 16, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 7/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/310:46 am
IAH
-
DEN
Nonstop2h 47m
Frontier
Mon 9/79:21 pm
DEN
-
IAH
Nonstop2h 34m
Frontier
Deal found 7/16$130
This Frontier deal was found by Cheapflights users on 7/15. 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.
Tue 8/46:14 pm
IAH
-
DEN
Nonstop2h 49m
Frontier
Sat 8/87:00 am
DEN
-
IAH
Nonstop2h 34m
Frontier
Deal found 7/15$132
This Frontier deal was found by Cheapflights users on 7/14. 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.
Tue 8/118:43 pm
IAH
-
DEN
1 stop8h 07m
Frontier
Wed 8/127:00 am
DEN
-
IAH
Nonstop2h 34m
Frontier
Deal found 7/14$133
This Kiwi.com deal was found by Cheapflights users on 7/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/136:30 am
IAH
-
DEN
Nonstop2h 44m
Frontier
Mon 8/1710:39 pm
DEN
-
IAH
2 stops19h 29m
Frontier
Deal found 7/14$134
This Frontier deal was found by Cheapflights users on 7/14. 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.
Fri 10/167:58 pm
IAH
-
DEN
Nonstop2h 43m
Frontier
Mon 10/198:44 pm
DEN
-
IAH
Nonstop2h 25m
Frontier
Deal found 7/14$135
This Cheapflightsfares deal was found by Cheapflights users on 7/13. 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 8/267:55 pm
IAH
-
DEN
1 stop14h 10m
Frontier
Mon 8/319:06 pm
DEN
-
IAH
Nonstop2h 34m
Frontier
Deal found 7/13$136
This Frontier deal was found by Cheapflights users on 7/13. 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 9/99:59 pm
IAH
-
DEN
1 stop6h 53m
Frontier
Thu 9/108:44 pm
DEN
-
IAH
Nonstop2h 25m
Frontier
Deal found 7/13$138
This Cheapflightsfares deal was found by Cheapflights users on 7/12. 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.
Thu 8/2010:46 am
IAH
-
DEN
Nonstop2h 47m
Frontier
Sun 8/235:40 pm
DEN
-
IAH
Nonstop2h 39m
Frontier
Deal found 7/12$139
This Super.com deal was found by Cheapflights users on 7/13. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/236:30 am
IAH
-
DEN
Nonstop2h 44m
Frontier
Wed 8/269:06 pm
DEN
-
IAH
Nonstop2h 34m
Frontier
Deal found 7/13$140
This Kiwi.com deal was found by Cheapflights users on 7/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/610:09 pm
IAH
-
DEN
Nonstop2h 49m
Frontier
Mon 8/1010:39 pm
DEN
-
IAH
2 stops20h 19m
Frontier
Deal found 7/14$141
This Frontier deal was found by Cheapflights users on 7/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/137:44 pm
IAH
-
DEN
Nonstop2h 43m
Frontier
Tue 9/158:40 am
DEN
-
IAH
Nonstop2h 30m
Frontier
Deal found 7/12$142
This Southwest deal was found by Cheapflights users on 7/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/136:45 am
HOU
-
DEN
Nonstop2h 25m
Southwest
Tue 8/257:50 pm
DEN
-
HOU
Nonstop2h 20m
Southwest
Deal found 7/12$177

Find 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 July 16, 2026.

Round-trip from

$130
(Cheapflightsfares)

One-way from

$80
(Super.com)

Popular in

June

Cheapest in

February

Average price

$220
From Houston to Denver Intl
Search Deals
One-way flight from Houston to Denver Intl
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($15 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

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 July 16, 2026.
Use the filters below to find and compare flights from Houston to Denver that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

HoustonDenver

HOU - DEN

HOUDEN

Houston Hobby

Thu 10/15

10:40 pm-12:10 am

Nonstop2h 30m

Denver Intl

Wed 10/21

9:10 am-12:30 pm

Nonstop2h 20m

$177

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

Thu 8/6

6:30 am-8:02 am

Nonstop2h 32m

Denver Intl

Tue 8/11

7:30 pm-10:56 pm

Nonstop2h 26m

$177

HoustonDenver

HOU - DEN

HOUDEN

Houston Hobby

Sat 8/29

7:40 pm-9:15 pm

Nonstop2h 35m

Denver Intl

Sat 9/5

1:20 pm-4:45 pm

Nonstop2h 25m

$177

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

Sat 12/12

9:55 pm-11:27 pm

Nonstop2h 32m

Denver Intl

Wed 12/16

4:40 pm-8:10 pm

Nonstop2h 30m

$177

HoustonDenver

HOU - DEN

HOUDEN

Houston Hobby

Thu 8/13

6:45 am-8:10 am

Nonstop2h 25m

Denver Intl

Thu 8/20

6:05 pm-9:45 pm

Nonstop2h 40m

$177

HoustonDenver

HOU - DEN

HOUDEN

Houston Hobby

Thu 8/13

6:45 am-8:10 am

Nonstop2h 25m

Denver Intl

Mon 8/17

8:50 pm-12:15 am

Nonstop2h 25m

$177

HoustonDenver

HOU - DEN

HOUDEN

Houston Hobby

Mon 9/28

4:20 pm-5:55 pm

Nonstop2h 35m

Denver Intl

Sat 10/3

11:05 am-4:40 pm

1 stop4h 35m

$183

HoustonDenver

HOU - DEN

HOUDEN

Houston Hobby

Sat 12/12

6:25 am-8:00 am

Nonstop2h 35m

Denver Intl

Wed 12/16

12:05 pm-6:10 pm

1 stop5h 05m

$187

HoustonDenver

HOU - DEN

HOUDEN

Houston Hobby

Wed 10/7

3:20 pm-7:15 pm

1 stop4h 55m

Denver Intl

Sat 10/10

11:05 am-4:40 pm

1 stop4h 35m

$192

HoustonDenver

HOU - DEN

HOUDEN

Houston Hobby

Sat 9/5

8:40 am-1:30 pm

1 stop5h 50m

Denver Intl

Wed 9/9

6:00 am-10:40 am

1 stop3h 40m

$192

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/15

Showing 1-10 of 43 resultsSorted by cheapest first
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5

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

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

Currently, February is the cheapest month in which you can book a flight from Houston to Denver (average of $151). Flying from Houston to Denver in June is currently the most expensive (average of $307). 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 July 16, 2026.

A simple way to save on the total cost of your ticket is to fly from Houston to Denver in the evening. If you’re flexible enough to do this you can expect to save up to 18% on your trip compared to booking a flight at noon.

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

How often are flights from Houston to Denver delayed?

About 16% of weekly flights between Houston and Denver have experienced delays in the past year, with the average delay time being 138 minutes.

What is the most punctual flight time for Houston to Denver flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Houston to Denver flights?

Over the last year, Frontier have had the lowest number of delays on this route, with just 13% of flights being delayed.

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

The best time to book flights from Houston to Denver is 40 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 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 July 11, 2026.

Travelers seeking maximum savings on their Houston to Denver flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

The best insider tips for Houston to Denver flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Houston to Denver trip
Our travel experts
Marisa Garcia

Marisa Garcia

Expert on Frontier

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 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 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 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

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

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 July 16, 2026.
Read reviews from past customers who have flown Southwest,United Airlines, andAmerican 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
4,243 reviews

Food

7.0

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,243 reviews
Southwest
8.0
Very good
4,243 reviews

Food

7.0

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,993 reviews
Southwest
8.0
Very good
4,243 reviews

Food

7.0

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.1
Good
11,811 reviews
Southwest
8.0
Very good
4,243 reviews

Food

7.0

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
JetBlue
7.1
Good
3,010 reviews
Southwest
8.0
Very good
4,243 reviews

Food

7.0

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Frontier
5.6
Fair
2,798 reviews
Southwest
8.0
Very good
4,243 reviews

Food

7.0

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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 8 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 4h 02m. 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 Southwest and United Airlines - these airlines can fly you to your destination from $176 and $177, respectively. Frontier is priced at 71% 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 Frontier, with whom users have recently found tickets for as low as $35. However, be on the lookout for offers from Southwest and United Airlines, as they are both options that can get you from Houston to Denver for a low price.

  • What are the cheapest flights from Houston to Denver?

    On average you can expect to pay $350 for a flight from Houston to Denver. The cheapest flight overall is $135 while the most popular route, (Houston Hobby - Denver Intl) is currently priced at $129.

  • 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, February is the cheapest month in which you can book a flight from Houston to Denver (average of $151). Flying from Houston to Denver in June is currently the most expensive (average of $307). 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
Thornton
Black Hawk
Westminster
Centennial
Lakewood
Broomfield
Golden
Greeley
Lone Tree
Wheat Ridge
Silverthorne
Central City
Fort Morgan
Cripple Creek
Winter Park
Manitou Springs
Frisco
Englewood
Glendale
Evergreen

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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.
Dallas/Fort Worth to Denver flights
Hobby to Denver flights
George Bush Intcntl to Denver flights
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San Antonio to Durango flights
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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 July 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$58Average$172FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$176Average$303FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$177Average$342FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$186Average$305FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$216Average$472FlexibilityNo cancel feeOn-time71%

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