RM395 Cheap Flights from Denver (DEN) to Houston (IAH)

View RM395 flight on Wed, 6 May 2026Opens 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 RM395 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

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.

Travel information

Origin airport
Denver Intl.
Destination airport
George Bush Intercontinental
Distance
1378 km
Average flight time
3 hours 35 mins

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