Cheap Flights from Denver (DEN) to Houston (IAH) from AU$138

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

Prices were available within the past 7 days and start at AU$138 for one-way flights and AU$308 for round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
American Airlines
Delta
Delta
American Airlines
American Airlines
American Airlines
American Airlines
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United
Flight from Denver to Houston route information
Origin airport
Denver Intl.
Destination airport
George Bush Intercontinental
Return price
AU$308
Distance
1378 km
Average flight time
3 hours 25 mins

Your quick guide to flights from Denver to Houston

Pick up great flights from Denver to Houston

With Expedia, you have your pick of 39 flights a day with 20 airlines covering flights from Denver to Houston. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Denver to Houston that take around 4 hours.

Find cheap flights from Denver to Houston

From the great flight deals with prices currently ranging from AU$308 to AU$371, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Denver to Houston around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Houston is normally in June.

Reasons to book your flight from Denver to Houston with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Denver to Houston across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Houston right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

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 AU$308. 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.
Houston Flight Deals
*Available to Expedia members.