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

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

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Cheap Flights from Denver to Houston (DEN-HOU)

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
Sun Country Airlines

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

September is typically the cheapest month to fly

From $48 - $201 per traveler.

Graph displaying average flight prices per month

Alternative airports near Houston

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

Flights from Denver (DEN) to Houston (IAH)
Origin airport
Denver Intl.
Destination airport
George Bush Intercontinental
Airlines serving
American Airlines, Delta, Southwest Airlines, Sun Country Airlines
Roundtrip price
$110
Distance
861 mi
Average flight time
3 hours 23 mins

Denver to Houston Flights

The cheapest times to fly from Denver to Houston

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 Denver to Houston are during the month of September. You can find some of the cheapest flights from Denver to Houston with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Denver to Houston

Sunday is one of the best days to book for cheap flights from Denver to Houston: 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 Denver to Houston

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 Denver to Houston 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 Denver to Houston 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 Denver to Houston 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 Denver Intl. Airport (DEN) to William P. Hobby Airport (HOU) cost?
Cheap return flights from Denver Intl. Airport (DEN) to William P. Hobby Airport (HOU) start from $142. 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 DEN on August 12 2025 and touching down at HOU. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from DEN to HOU?
The cheapest flights from DEN to HOU 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 Denver Intl. Airport (DEN) to William P. Hobby Airport (HOU)?
You can travel nonstop from Denver Intl. Airport (DEN) to William P. Hobby Airport (HOU) on a Southwest Airlines flight.
What is the cheapest airline that flies from DEN to HOU?
Take off from DEN to HOU with Southwest Airlines. This airline currently has the lowest one-way fare for this route, starting from $79. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from DEN on October 9 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Denver Intl. Airport (DEN) to William P. Hobby Airport (HOU)?
Daily, an average of 7 nonstop flights operate from Denver Intl. Airport (DEN) to William P. Hobby Airport (HOU). Choose the departure time that best suits your plans.
What are the most popular departure times for flights from Denver Intl. Airport (DEN) to William P. Hobby Airport (HOU)?
More passengers fly between DEN and HOU at 6 AM than at any other time of day. Prefer a quieter experience? Try choosing a quieter departure window and there's a chance you'll save on your ticket as well.
What day of the week has the most flights from DEN to HOU?
Travel on a Sunday if you're after the best selection of flights from Denver Intl. Airport (DEN) to William P. Hobby Airport (HOU).
What is the earliest flight from Denver Intl. Airport (DEN) to William P. Hobby Airport (HOU)?
The first flight of the day departing from Denver Intl. Airport (DEN) is at around 5:40AM UTC-7. Catch this flight and you'll arrive at William P. Hobby Airport (HOU) at approximately 9:10AM UTC-6. The total travel time is 2h 30m.
How long does it take to fly from Denver Intl. Airport (DEN) to William P. Hobby Airport (HOU)?
It takes about 2 hours and 27 minutes to cover the 880 mi from DEN to HOU.
What is the best time to fly from Denver Intl. Airport (DEN) to William P. Hobby Airport (HOU)?
To avoid possible delays on the Denver Intl. Airport (DEN) to William P. Hobby Airport (HOU) route, aim to fly before 3 PM. Departures after this time have a 22% higher chance of cancellation.**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 Houston from Denver Intl. Airport (DEN)?
If you're catching a direct flight from Denver Intl. Airport (DEN) to Houston, you can arrive at either George Bush Intercontinental Airport (IAH) or William P. Hobby Airport (HOU).
Is it cheaper to buy a plane ticket from Denver Intl. Airport (DEN) to William P. Hobby Airport (HOU) last-minute?
Booking your ticket from DEN to HOU just before your journey is typically more expensive. However, if you're flexible with your departure times and dates, you could snag a cheap last-minute fare.
Is it cheaper to book a DEN to HOU flight and hotel package?
Compared with arranging flights and hotels separately, booking a DEN to HOU flight and hotel package with Expedia could lead to significant savings. What's more, having it all in one place will take the stress out of planning your trip. Just secure your flights and choose from our extensive range of hotels, then personalize your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Denver Intl. Airport (DEN) to William P. Hobby Airport (HOU)?
If you reserved your DEN to HOU flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you'd like more information.

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