$60 Cheap Flights from Houston (HOU) to Denver (DEN)

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Find available prices by choosing your travel dates.

Cheap Flights from Houston to Denver (HOU-DEN)

Prices were available within the past 7 days and start at $60 for one-way flights and $120 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
United
American Airlines
Southwest Airlines
Sun Country Airlines
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
$120
Distance
861 mi

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 June. 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 $60 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 long does it take to fly from William P. Hobby Airport (HOU) to Denver Intl. Airport (DEN)?
Book a seat with Frontier Airlines and you’ll be airborne for around 2 hours and 41 minutes. This well-known airline operates a direct flight that takes off at 4:44PM from HOU and comes in to land at DEN at 6:25PM. Expedia has some incredible flight deals, so check out what’s available on this route today.
Is it cheaper to buy a plane ticket from William P. Hobby Airport to DEN last minute?
Booking your flight from William P. Hobby Airport (HOU) to DIA airport at the last minute could save you money if you happen to find a bargain. However, airfares usually don’t get cheaper as the departure date nears. If you hold out, flights could also be booked up or the best seats gone (that could mean the middle seat!). If you don’t want to hedge your bets, book well ahead of the date you want to leave. Remember that some of the most awesome deals can be found up to a year in advance. If your preferred carrier hasn’t released tickets yet, check back regularly as deals are updated on Expedia constantly.
What airports do you fly into for Denver from Houston?
From Houston, you can journey to Denver through Denver Intl. Airport (DEN), Centennial Airport (APA) and Broomfield, CO (BJC-Rocky Mountain Metropolitan). Determine which terminal is more convenient for you before you make a decision. If you go with Denver Intl. Airport (DEN), it’s roughly 19 mi east of downtown. Use the cash you save when booking your journey with Expedia to discover the city’s well-known attractions, such as Empower Field at Mile High and Coors Field.
What are the most popular departure times for flights from HOU to DEN?
The most popular departure times for trips from HOU to Denver Airport fall between 3:00 PM - 4:00 PM on Frontier Airlines. One helpful tip is to jet off in the morning. The earlier you fly, the better your chances of a delay-free flight with less air traffic in the skies.
Can I change the date of my flight from HOU to Denver Airport?
Plans can get upended, so Expedia is here to help make amending your flight as easy as possible. First, access your HOU to DIA airport itinerary through the Expedia Trips portal and check the fare conditions about what changes can be made. If you booked your plane ticket in the last 24 hours, some airlines will allow you to cancel for free and book new flights. If you bought your fare more than 24 hours ago, get in touch with us via our Customer Service portal so we can help you further.

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*Available to One Key members.