$27 Cheap Flights from Denver to Houston

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

Find The Best Dates To Fly from Denver Intl. to George Bush Intercontinental

Amazing DEN to IAH Flight Deals

The cheapest flights to George Bush Intercontinental found within the past 7 days were $54 round trip and $27 one way. Prices and availability subject to change. Additional terms may apply.

Best George Bush Intercontinental Flight and Hotel Packages

George Bush Intercontinental flight + hotel packages - economy flights

Holiday Inn Houston Intercontinental Airport, an IHG Hotel
The Luxury Suites of Houston
DoubleTree by Hilton Hotel & Suites Houston by the Galleria
Hampton Inn Houston-Near The Galleria
JW Marriott Houston Downtown
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Frequently asked questions

Can I catch a flight from Denver Airport to IAH right now?
For info on any current George Bush Intercontinental Airport (IAH) quarantine requirements and travel advice, visit the Covid-19 Travel Advisor. Look before you arrange your flight, so you don’t get caught up.
Are there direct flights from Denver Intl. Airport (DEN) to Houston Airport?
Begin your escape in the most relaxed way possible and head straight to IAH from Denver Intl. Airport (DEN). United Airlines and Southwest Airlines are among the airlines that operate nonstop services on this route.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to George Bush Intercontinental Airport (IAH), please visit our Customer Service Portal.
How long is the flight from DIA airport to Houston Airport?
If you were planning to have a good snooze during your Denver to Houston journey, you may have to think again. The typical flight time between DIA airport and George Bush Intercontinental Airport (IAH) is only 2 hours and 24 minutes — just enough to relax your body and close your eyes for a little while.
What is the flight distance from DEN to IAH?
From DEN, you’ll cover 860 mi before pulling into George Bush Intercontinental Airport (IAH). That should give you enough time to get through a few chapters of your book and maybe even squeeze in forty winks.
What airlines fly from Denver Intl. Airport (DEN) to IAH?
If you want to fly direct from DEN to George Bush Intercontinental Airport (IAH), you won’t have a problem finding a fare. We’ve listed some of the top airlines that will fly you straight to Houston:

  • United Airlines - (UA) with 273 flights every month
  • Southwest Airlines - (WN) with 91 flights every month
  • Spirit Airlines - (NK) with 30 flights every month
  • Frontier Airlines - (F9) with 30 flights every month

What airlines have practices regarding COVID-19 in place and use social distancing?
From the moment you enter the departure terminal to when you leave the arrivals terminal, if you’re flying with United Airlines, American Airlines or Delta you can be sure that COVID-19 measures and social distancing rules have been adhered to. Many airlines have introduced capped capacity flights and keeping the middle seat empty.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.


Traveling From Denver Intl.
Traveling To George Bush Intercontinental
Shortest Flight Time 4 hours 15 mins
Earliest Departure Time 5:29AM CST
Latest Departure Time 8:56PM CST
Lowest Flight Price $54

Route Info

Flight path for flights from Denver International Airport to George Bush Intercontinental Airport

866.00 miles

Airlines & Aircraft Used on DEN to IAH Flight Routes

Airline Carrier
American Airlines
Boeing 777 all pax models
United Airlines
Airbus A320-100/200
United Airlines
Canadair Regional Jet
United Airlines
Embraer RJ135 / RJ140 / RJ145

Discover our best flights from Denver DEN to Houston IAH. 

With 4 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times. 


Find our best return flights from Denver DEN to Houston IAH at the right price  

Airfares to Houston IAH from Denver DEN currently cost between $54 and $55. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply. 


Book one-way flights from Denver DEN to Houston IAH 

If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from Denver DEN to Houston IAH on Travelocity starting at $27. Prices and availability subject to change. Additional terms may apply. 


Get to Houston IAH from Denver DEN quicker with direct flights. 

Get to Houston faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to IAH from DEN to take around 4 hour(s) 15 min(s).  


Find our cheapest airfares for flights from Denver DEN to Houston IAH

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to IAH from DEN. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.  


Get our best airfare deals for your flight from Denver DEN to Houston IAH today 

If you’re flexible about when you travel, December is usually the cheapest month to fly from Denver DEN to Houston IAH. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first. 


Book flexible airline tickets for flights to Houston IAH from Denver DEN 

Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to IAH from DEN have this option.  


Travel with confidence when you book flights to Houston IAH from Denver DEN with Travelocity 

We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving. 

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.