$79 Cheap Flights from Houston (HOU) to Denver (DEN)

View $79 flight on Wed, Oct 1, 2025Opens in a new window

Popular airlines from Houston William Hobby Airport (HOU) to Denver Intl. Airport (DEN)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Houston to Denver (HOU-DEN)

Prices were available within the past 7 days and start at $79 for one-way flights and $157 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Sat, Sep 20 - Tue, Sep 23
HOU
Houston
DEN
Denver
$157 Roundtrip, just found
$157
Roundtrip
just found
Select Southwest Airlines flight, departing Sat, Sep 20 from Houston to Denver, returning Tue, Sep 23, priced at $157 just found
Sun Country Airlines
Sun, Nov 16 - Mon, Nov 24
HOU
Houston
DEN
Denver
$377 Roundtrip, found 4 days ago
$377
Roundtrip
found 4 days ago
Select Sun Country Airlines flight, departing Sun, Nov 16 from Houston to Denver, returning Mon, Nov 24, priced at $377 found 4 days ago

Find the cheapest month to fly from Houston (HOU) to Denver (DEN)

August is typically the cheapest month to fly

From $48 - $170 per traveler.

Graph displaying average flight prices per month

Alternative airports near Denver

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Denver Intl. DEN. Cheapest option available. Average driving time to city center is 32 minutes. Flights from $197
DEN
Denver Intl.
Cheapest
Average driving time to city center32 min
Flights from $197
Flights from Houston (IAH) to Denver (DEN)
Origin airport
George Bush Intercontinental
Destination airport
Denver Intl.
Airlines serving
American Airlines, Delta, Southwest Airlines, Sun Country Airlines
Roundtrip price
$86
Distance
861 mi
Average flight time
1 hour 41 mins

Houston to Denver Flights

The cheapest times to fly from Houston to Denver

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Houston to Denver are during the month of September. You can find some of the cheapest flights from Houston to Denver with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Houston to Denver

Sunday is one of the best days to book for cheap flights from Houston to Denver: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Houston to Denver

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Houston to Denver in 2025. You can also book with separate airlines for your outbound and return journeys, from $79 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Houston to Denver flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Houston to Denver airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from William P. Hobby Airport (HOU) to Denver Intl. Airport (DEN) cost?
Pick up cheap return tickets starting at $141 from William P. Hobby Airport (HOU) to Denver Intl. Airport (DEN). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Southwest Airlines and Frontier Airlines flight leaving HOU on August 19 2025 and touching down at DEN. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from HOU to DEN?
The cheapest flights from HOU to DEN are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from William P. Hobby Airport (HOU) to Denver Intl. Airport (DEN)?
Fly directly from William P. Hobby Airport (HOU) to Denver Intl. Airport (DEN) on a Southwest Airlines flight.
What is the cheapest airline that flies from HOU to DEN?
Jet off from HOU to DEN with Southwest Airlines. This carrier currently offers the cheapest one-way fare on this route, starting at $79. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from HOU on October 13 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from William P. Hobby Airport (HOU) to Denver Intl. Airport (DEN)?
With, on average, 7 nonstop flights departing from William P. Hobby Airport (HOU) to Denver Intl. Airport (DEN) each day, you'll be on your way in no time.
What are the most popular departure times for flights from William P. Hobby Airport (HOU) to Denver Intl. Airport (DEN)?
More passengers fly between HOU and DEN at 10 AM than at any other point in the day. Rather skip the crowds? Consider flying outside peak hours and there's a chance you'll save on your fare as well.
What day of the week has the most flights from HOU to DEN?
Fly on a Friday if you're looking for the biggest selection of flights from William P. Hobby Airport (HOU) to Denver Intl. Airport (DEN).
What is the earliest flight from William P. Hobby Airport (HOU) to Denver Intl. Airport (DEN)?
Take the earliest flight at around 5:35AM UTC-6, leaving from William P. Hobby Airport (HOU). You'll be in the air for about 2h 35m, landing at Denver Intl. Airport (DEN) at approximately 7:10AM UTC-7.
How long does it take to fly from William P. Hobby Airport (HOU) to Denver Intl. Airport (DEN)?
Flights from HOU to DEN have an average travel time of 2 hours and 35 minutes. The distance between the two airports is 880 mi.
What airline has the least delays from HOU to DEN?
Southwest Airlines has the best performance for on-time direct flights from William P. Hobby Airport (HOU) to Denver Intl. Airport (DEN), with an on-time rating of 86%. Use the Expedia App to view your flight status before you head off and get immediate updates about any changes.
What is the best time to fly from William P. Hobby Airport (HOU) to Denver Intl. Airport (DEN)?
To avoid potential delays on the William P. Hobby Airport (HOU) to Denver Intl. Airport (DEN) route, fly before 3 PM. Departures after this hour have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Denver from William P. Hobby Airport (HOU)?
Denver Intl. Airport (DEN) is the only airport in Denver with direct flights from William P. Hobby Airport (HOU). Browse your options and discover cheap fares on Expedia.
Is it cheaper to buy a plane ticket from William P. Hobby Airport (HOU) to Denver Intl. Airport (DEN) last-minute?
Booking your plane ticket from HOU to DEN shortly before your journey is typically more expensive. However, if there's some wiggle room with your travel dates and times, you could score a cheap last-minute fare.
Is it cheaper to book a HOU to DEN flight and hotel package?
Opting for a HOU to DEN flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Select from our impressive range of accommodations and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from William P. Hobby Airport (HOU) to Denver Intl. Airport (DEN)?
If you booked your HOU to DEN flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you'd like more information.

Explore a world of travel with Expedia

*Available to One Key members.