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$64+ 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 5/15. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — DEN
May 1 — May 81
Fri 5/1
Fri 5/8
1 adult, Economy
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Find cheap flights from Houston to Denver with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Houston to Denver Intl are usually found in February or January, booked 59 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

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 April 1, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 3/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/16:30 am
IAH
-
DEN
Nonstop2h 36m
Frontier
Thu 6/49:06 pm
DEN
-
IAH
Nonstop2h 38m
Frontier
Deal found 3/30$88
This Super.com deal was found by Cheapflights users on 3/30. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/276:45 am
IAH
-
DEN
Nonstop2h 43m
Frontier
Mon 5/49:06 pm
DEN
-
IAH
Nonstop2h 42m
Frontier
Deal found 3/30$89
This Frontier deal was found by Cheapflights users on 3/28. 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 5/2610:05 pm
IAH
-
DEN
Nonstop2h 53m
Frontier
Wed 6/39:06 pm
DEN
-
IAH
Nonstop2h 38m
Frontier
Deal found 3/28$90
This Kiwi.com deal was found by Cheapflights users on 3/31. 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.
Tue 4/217:45 am
IAH
-
DEN
Nonstop2h 42m
Frontier
Fri 4/246:15 am
DEN
-
IAH
Nonstop2h 39m
Frontier
Deal found 3/31$91
This Kiwi.com deal was found by Cheapflights users on 3/28. 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 4/1110:28 pm
IAH
-
DEN
Nonstop2h 40m
Frontier
Tue 4/148:25 pm
DEN
-
IAH
Nonstop2h 31m
Frontier
Deal found 3/28$92
This Frontier deal was found by Cheapflights users on 3/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:45 am
IAH
-
DEN
Nonstop2h 42m
Frontier
Sat 4/189:06 pm
DEN
-
IAH
Nonstop2h 42m
Frontier
Deal found 3/30$93
This Cheapflightsfares deal was found by Cheapflights users on 3/29. 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 4/187:15 am
IAH
-
DEN
Nonstop2h 42m
Frontier
Sun 4/195:15 am
DEN
-
IAH
Nonstop2h 34m
Frontier
Deal found 3/29$97
This Expedia deal was found by Cheapflights users on 3/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1812:37 pm
IAH
-
DEN
Nonstop2h 38m
Frontier
Tue 4/2111:59 pm
DEN
-
IAH
1 stop7h 39m
Frontier
Deal found 3/28$98
This Frontier deal was found by Cheapflights users on 3/29. 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 4/187:15 am
IAH
-
DEN
Nonstop2h 42m
Frontier
Mon 4/203:32 pm
DEN
-
IAH
1 stop16h 06m
Frontier
Deal found 3/29$99
This Super.com deal was found by Cheapflights users on 3/27. 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.
Mon 4/2010:17 pm
IAH
-
DEN
1 stop6h 42m
Frontier
Wed 4/2211:00 am
DEN
-
IAH
Nonstop2h 37m
Frontier
Deal found 3/27$100
This Cheapflightsfares deal was found by Cheapflights users on 3/27. 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 4/166:45 am
IAH
-
DEN
Nonstop2h 43m
Frontier
Mon 4/206:05 am
DEN
-
IAH
1 stop6h 41m
Frontier
Deal found 3/27$102
This Southwest deal was found by Cheapflights users on 3/31. 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 4/286:40 am
HOU
-
DEN
Nonstop2h 30m
Southwest
Tue 5/512:40 pm
DEN
-
HOU
Nonstop2h 30m
Southwest
Deal found 3/31$169

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 April 1, 2026.

Round-trip from

$88
(Cheapflightsfares)

One-way from

$64
(Priceline)

Popular in

March

Cheapest in

February

Average price

$196
From Houston to Denver Intl
Search Deals
One-way flight from Houston to Denver Intl
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($1 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 April 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 April 1, 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

HoustonDenver

HOU - DEN

HOUDEN

Houston Hobby

Tue 4/28

1:20 pm-3:00 pm

Nonstop2h 40m

Denver Intl

Wed 4/29

7:55 pm-11:25 pm

Nonstop2h 30m

$169
Quickest round-trip

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

Wed 6/10

6:30 am-8:02 am

Nonstop2h 32m

Denver Intl

Wed 6/10

9:10 pm-12:41 am

Nonstop2h 31m

$169

HoustonDenver

HOU - DEN

HOUDEN

Houston Hobby

Thu 4/30

7:50 pm-9:30 pm

Nonstop2h 40m

Denver Intl

Tue 5/5

1:50 pm-6:50 pm

1 stop4h 00m

$190

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

Mon 6/1

5:15 am-6:47 am

Nonstop2h 32m

Denver Intl

Mon 6/8

7:35 pm-11:06 pm

Nonstop2h 31m

$199

HoustonDenver

HOU - DEN

HOUDEN

Houston Hobby

Tue 6/2

5:45 pm-7:25 pm

Nonstop2h 40m

Denver Intl

Tue 6/9

6:05 am-9:35 am

Nonstop2h 30m

$199

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

Tue 4/28

9:57 am-11:43 am

Nonstop2h 46m

Denver Intl

Wed 4/29

7:45 am-11:13 am

Nonstop2h 28m

$199

HoustonDenver

HOU - DEN

HOUDEN

Houston Hobby

Mon 6/1

2:45 pm-7:15 pm

1 stop5h 30m

Denver Intl

Mon 6/8

8:25 pm-11:55 pm

Nonstop2h 30m

$209

HoustonDenver

HOU - DEN

HOUDEN

Houston Hobby

Thu 4/23

7:00 am-10:15 am

1 stop4h 15m

Denver Intl

Mon 4/27

7:20 am-10:50 am

Nonstop2h 30m

$209

HoustonDenver

HOU - DEN

HOUDEN

Houston Hobby

Wed 5/13

3:10 pm-7:30 pm

1 stop5h 20m

Denver Intl

Sun 5/17

7:10 am-10:40 am

Nonstop2h 30m

$219

HoustonDenver

HOU - DEN

HOUDEN

Houston Hobby

Wed 6/10

3:55 pm-7:45 pm

1 stop4h 50m

Denver Intl

Wed 6/17

6:55 pm-10:30 pm

Nonstop2h 35m

$241

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 41 resultsSorted by cheapest first
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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 March 13, 2026.

The best time to book flights from Houston to Denver is 59 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, February is the cheapest month in which you can book a flight from Houston to Denver (average of $57). Flying from Houston to Denver in July is currently the most expensive (average of $118). 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 April 1, 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 34% on your trip compared to booking a flight at noon.

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 March 28, 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.

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 141 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 Monday 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.

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 April 1, 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
4,334 reviews

Boarding

8.1

Food

7.0

Crew

8.6

Overall

8.0

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.
Southwest
8.0
Very good
4,334 reviews
Southwest
8.0
Very good
4,334 reviews

Boarding

8.1

Food

7.0

Crew

8.6

Overall

8.0

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.
United Airlines
7.4
Good
9,529 reviews
Southwest
8.0
Very good
4,334 reviews

Boarding

8.1

Food

7.0

Crew

8.6

Overall

8.0

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.
American Airlines
7.1
Good
11,545 reviews
Southwest
8.0
Very good
4,334 reviews

Boarding

8.1

Food

7.0

Crew

8.6

Overall

8.0

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.
Frontier
5.7
Fair
3,006 reviews
Southwest
8.0
Very good
4,334 reviews

Boarding

8.1

Food

7.0

Crew

8.6

Overall

8.0

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.

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 7 daily inbound flights from Houston from 4 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 32m. The time it takes to get you to your destination can typically vary by up to 5h 51m. The distance between Houston and Denver is about 861 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 $62, 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 United Airlines and Southwest - these airlines can fly you to your destination from $167 and $167, respectively. Frontier is priced at 69% 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 $38. However, be on the lookout for offers from Southwest and American 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 $336 for a flight from Houston to Denver. The cheapest flight overall is $144 while the most popular route, (Houston Hobby - Denver Intl) is currently priced at $125.

  • 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 $57). Flying from Houston to Denver in July is currently the most expensive (average of $118). 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
Lakewood
Westminster
Broomfield
Golden
Centennial
Greeley
Lone Tree
Wheat Ridge
Silverthorne
Central City
Cripple Creek
Winter Park
Manitou Springs
Frisco
Englewood
Fort Morgan
Glendale
Brighton

Browse thousands of different options on Cheapflights for your next trip

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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
Austin to Denver flights
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George Bush Intcntl to Colorado Springs flights
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George Bush Intcntl to Durango flights
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McAllen to Denver flights
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Austin to Durango flights
Amarillo to Denver flights
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Hobby to Grand Junction flights
George Bush Intcntl to Grand Junction flights
Hobby to Aspen flights
San Antonio to Grand Junction flights
George Bush Intcntl to Aspen flights
Austin to Montrose flights
Hobby to Gunnison flights
Abilene to Denver flights
George Bush Intcntl to Vail flights
George Bush Intcntl to Gunnison flights
Lubbock to Colorado Springs flights
Austin to Vail flights
Dallas/Fort Worth to Hayden flights
Harlingen to Denver flights
San Antonio to Durango flights
El Paso to Colorado Springs flights
George Bush Intcntl to Hayden flights
Hobby to Hayden flights
Austin to Aspen flights

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 April 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$62Average$171FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$167Average$321FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$167Average$272FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$196Average$374FlexibilityNo cancel feeOn-time71%

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