S$166 Cheap Flights from Denver to Houston

View S$166 flight on Wed, 29 Oct, 2025Opens in a new window

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

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Cheap Flights from Denver to Houston (DEN-IAH)

Prices were available within the past 7 days and start at S$166 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

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

February is typically the cheapest month to fly

From S$62 - S$370 per traveller.
Denver to Houston route information
Origin airport
Denver Intl.
Destination airport
George Bush Intercontinental
Distance
1378 km
Average flight time
3 hours 25 mins

Flights from Denver to Houston

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

The earliest flight leaves Denver Intl. Airport at 05:00 and arrives at George Bush Intercontinental Airport at 01:15. The last flight of the day departs Denver at 22:30 and arrives at Houston at 23:55.

The flight distance from Denver to Houston is about 1393 km, the shortest flight is 02 hours 15 minutes with United Airlines."

Expedia lets you search across the largest number of airlines and Houston 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 Denver Houston 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 Denver to Houston trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.

Combine your Houston 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 Denver to Houston 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 DIA airport to IAH?
The lowest price advertised for a round-trip flight from Denver Intl. Airport (DEN) to Houston Airport is . But you better act fast. This figure is taken from fares offered within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from DEN to IAH?
Each air carrier has its own terms and conditions. If you do decide to cancel, follow the easy instructions on our Customer Service Portal.
How do I find cheap flights from DIA airport to IAH 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 DEN to Houston Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from DIA airport to George Bush Intercontinental Airport (IAH)?
With a flight distance of 1,400 kilometres, it's only a short hop from DEN to Houston Airport. It might be a quick flight, but it's still worth bringing something to keep you entertained on board.
Which airlines fly direct from DIA airport to Houston Airport?
Whether you're after a return or one-way flight, you'll have your pick of airlines that will take you straight from Denver Airport to Houston Airport. Here's a list of the most popular ones:

  • United Airlines - (UA) with 304 monthly flights
  • Southwest Airlines - (WN) with 69 monthly flights
  • Frontier Airlines - (F9) with 47 monthly flights
  • Spirit Airlines - (NK) with 4 monthly flights

Are Denver Intl. Airport (DEN) to IAH flight tickets cheaper when they're purchased at the last minute?
Flight prices go up and down like a yo-yo, so there are no guarantees. While last-minute deals between DIA airport and Houston Airport are possible, it's also a good idea to keep track of prices well before you fly. In fact, some airlines publicize their prices up to a year before the departure date. Expedia is continuously updating the biggest bargains around, so keep checking and be ready to grab your seat when fare prices drop.

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