S$131 Cheap Flights from Houston to Denver

View S$131 flight on Tue, 26 Aug, 2025Opens in a new window

Popular airlines from George Bush Intercontinental Airport (IAH) to Denver Intl. Airport (DEN)

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Cheap Flights from Houston to Denver (IAH-DEN)

Prices were available within the past 7 days and start at S$131 for one-way flights and S$278 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, 27 Aug - Wed, 3 Sep
IAH
Houston
DEN
Denver
S$278 Return, found 3 days ago
S$278
Return
found 3 days ago
Select Delta flight, departing Wed, 27 Aug from Houston to Denver, returning Wed, 3 Sep, priced at S$278 found 3 days ago
Delta
Wed, 13 Aug - Sat, 16 Aug
IAH
Houston
DEN
Denver
S$279 Return, found 5 days ago
S$279
Return
found 5 days ago
Select Delta flight, departing Wed, 13 Aug from Houston to Denver, returning Sat, 16 Aug, priced at S$279 found 5 days ago
United
Wed, 27 Aug - Wed, 3 Sep
IAH
Houston
DEN
Denver
S$285 Return, found 3 days ago
S$285
Return
found 3 days ago
Select United flight, departing Wed, 27 Aug from Houston to Denver, returning Wed, 3 Sep, priced at S$285 found 3 days ago
Delta
Thu, 7 Aug - Mon, 11 Aug
IAH
Houston
DEN
Denver
S$286 Return, found 5 hours ago
S$286
Return
found 5 hours ago
Select Delta flight, departing Thu, 7 Aug from Houston to Denver, returning Mon, 11 Aug, priced at S$286 found 5 hours ago
United
Sat, 16 Aug - Mon, 18 Aug
IAH
Houston
DEN
Denver
S$286 Return, found 6 days ago
S$286
Return
found 6 days ago
Select United flight, departing Sat, 16 Aug from Houston to Denver, returning Mon, 18 Aug, priced at S$286 found 6 days ago
United
Wed, 27 Aug - Wed, 3 Sep
IAH
Houston
DEN
Denver
S$291 Return, found 3 days ago
S$291
Return
found 3 days ago
Select United flight, departing Wed, 27 Aug from Houston to Denver, returning Wed, 3 Sep, priced at S$291 found 3 days ago
United
Thu, 7 Aug - Mon, 11 Aug
IAH
Houston
DEN
Denver
S$293 Return, found 5 hours ago
S$293
Return
found 5 hours ago
Select United flight, departing Thu, 7 Aug from Houston to Denver, returning Mon, 11 Aug, priced at S$293 found 5 hours ago
United
Sat, 16 Aug - Mon, 18 Aug
IAH
Houston
DEN
Denver
S$295 Return, found 6 days ago
S$295
Return
found 6 days ago
Select United flight, departing Sat, 16 Aug from Houston to Denver, returning Mon, 18 Aug, priced at S$295 found 6 days ago
American Airlines
Wed, 27 Aug - Wed, 3 Sep
IAH
Houston
DEN
Denver
S$297 Return, found 3 days ago
S$297
Return
found 3 days ago
Select American Airlines flight, departing Wed, 27 Aug from Houston to Denver, returning Wed, 3 Sep, priced at S$297 found 3 days ago
Delta
Wed, 13 Aug - Sat, 16 Aug
IAH
Houston
DEN
Denver
S$298 Return, found 5 days ago
S$298
Return
found 5 days ago
Select Delta flight, departing Wed, 13 Aug from Houston to Denver, returning Sat, 16 Aug, priced at S$298 found 5 days ago

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

September is typically the cheapest month to fly

From S$61 - S$164 per traveller.

Graph displaying average flight prices per month

Houston to Denver route information
Origin airport
George Bush Intercontinental
Destination airport
Denver Intl.
Airlines serving
American Airlines, Delta, United
Return price
S$277
Distance
1378 km
Average flight time
1 hour 37 mins

Flights from Houston to Denver

There are several airlines that operate frequent flights from Houston (IAH) to Denver (DEN) including

The earliest flight leaves George Bush Intercontinental Airport at 05:30 and arrives at Denver Intl. Airport at 06:55. The last flight of the day departs Houston at 22:17 and arrives at Denver at 23:44.

The flight distance from Houston to Denver is about 1393 km, the shortest flight is 02 hours 23 minutes with United Airlines."

Expedia lets you search across the largest number of airlines and Denver flights, which means that you’ll be able to find a great flight deal at the perfect travel date and time. Our simple-to-use booking engine makes looking for terrific bargains easy and hassle-free; just enter your travel dates and departure city, and let Expedia do the rest! Adjust your travel dates and explore connecting flights to find an even better deal on your Houston Denver flight!

Browse through dozens of options and rest assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Houston to Denver trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.

Combine your Denver flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights from Houston to Denver with Expedia. Use us as your stop travel destination and have the confidence that you’re getting a bargain!

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 S$278. 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.

Explore a world of travel with Expedia

Houston Airports

Houston

George Bush Intercontinental to Denver
S$277.30
*Available to Expedia members.