£80 Cheap Flights from Houston (IAH) to Denver (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 25% on select hotels after you book a flight*
    payments icon
    Earn twice
    Earn your airline miles on top of our rewards

Cheap Flights from Houston (IAH) to Denver (DEN)

Prices were available within the past 7 days and start at £80 for one-way flights and £55 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
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Flight from Houston to Denver route information
Origin airport
George Bush Intercontinental
Destination airport
Denver Intl.
Airlines serving
Alaska Airlines, JetBlue Airways
Return price
£54
Distance
1378 km
Average flight time
1 hour 35 mins

Compare flights from Houston to Denver easily and book in confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Houston to Denver. Operating between them 38 flights per day, 20 airlines cover the route. And Air Canada, Frontier Airlines, Avianca, Emirates, Southwest Airlines, Air New Zealand, United Airlines fly direct, getting you to Denver Intl. in just 2hours. If you have a preferred carrier, use our advanced search tool to find the right flight from George Bush Intercontinental to Denver Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from George Bush Intercontinental (IAH) to Denver Intl. (DEN) 

The easiest way to view the best deals on flights from Houston to Denver today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from George Bush Intercontinental to Denver Intl. start at just £55 and range up to £119.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Houston and Denver
  • booking your flight during May, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Houston to Denver flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from George Bush Intercontinental to Denver Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Frequently asked questions

How much is a flight from Houston Airport to DEN?
If you’re planning on travelling from Houston Airport to DEN, round-trip flights start from £55. This figure is based on fares listed within the last 7 days on Expedia for flights departing within the next year, so don’t wait around. Book today and save yourself money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from IAH to DIA airport?
When it comes to cancellation fees, each airline has a different set of terms and conditions. If you decide to cancel your trip, visit our Customer Service Portal.
How do I find cheap flights from Houston Airport to Denver Intl. Airport (DEN) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for IAH to Denver Airport flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from IAH to Denver Airport?
The flight distance from Houston Airport (IAH) to Denver Intl. Airport (DEN) (DEN) is 1,400 kilometres. You’ll be disembarking the plane and grabbing your suitcase from the carousel in next to no time.
Which airlines fly direct from Houston Airport to DIA airport?
Travelling from George Bush Intercontinental Airport (IAH) to DEN is easy when you have a good range of airlines to select from. These are a few of the best:

  • United Airlines - (UA) with 304 monthly flights
  • Southwest Airlines - (WN) with 60 monthly flights
  • Frontier Airlines - (F9) with 43 monthly flights
  • Spirit Airlines - (NK) with 4 monthly flights

Are Houston Airport to DIA airport flight tickets cheaper when they're purchased at the last minute?
Flight prices from Houston Airport to Denver Airport are available up to 12 months prior to departure on Expedia. And although you may occasionally score a great last-minute deal, it’s never a sure thing. Also, booking your flights ahead of time means you’ll have more choices — and you can avoid getting stuck in the dreaded middle seat! We’re always updating our fares to make sure you get the biggest bargains, so check back often for all the latest specials.
*Available to Expedia members.