IAH - DEN

£49 Find Cheap Flights from Houston to Denver

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Houston to Denver departing on 18/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Denver

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Houston to Denver, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Houston to Denver, as well as popular online travel agencies
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Flight Deals

Cheap Flights from Houston to Denver (IAH-DEN)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Houston to Denver that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Houston to Denver

Sat, 4 Oct - Tue, 7 Oct
United Airlines Logo
20:21 - 22:00IAH-DEN
2h 39mdirect
United Airlines Logo
20:34 - 23:59DEN-IAH
2h 25mdirect
£98United Airlines
Find Deal
Sun, 19 Oct - Sat, 1 Nov
United Airlines Logo
05:14 - 06:44IAH-DEN
2h 30mdirect
United Airlines Logo
17:25 - 20:53DEN-IAH
2h 28mdirect
£110United Airlines
Find Deal
Mon, 15 Dec - Sun, 21 Dec
United Airlines Logo
21:54 - 23:30IAH-DEN
2h 36mdirect
United Airlines Logo
05:00 - 08:38DEN-IAH
2h 38mdirect
£122United Airlines
Find Deal
Sat, 27 Sep - Sat, 4 Oct
United Airlines Logo
07:20 - 08:51IAH-DEN
2h 31mdirect
United Airlines Logo
20:34 - 23:59DEN-IAH
2h 25mdirect
£137United Airlines
Find Deal
Thu, 4 Dec - Mon, 8 Dec
Delta Logo
07:01 - 14:09IAH-DEN
8h 08m1 stop
Delta Logo
00:50 - 09:29DEN-IAH
7h 39m1 stop
£160Delta
Find Deal
Wed, 3 Dec - Thu, 4 Dec
Delta Logo
07:01 - 15:12IAH-DEN
9h 11m1 stop
Delta Logo
00:50 - 08:48DEN-IAH
6h 58m1 stop
£175Delta
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Mon, 24 Nov - Fri, 28 Nov
Delta Logo
17:48 - 23:14IAH-DEN
6h 26m1 stop
Delta Logo
13:57 - 23:14DEN-IAH
8h 17m1 stop
£180Delta
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Sat, 15 Nov - Sat, 15 Nov
Alaska Airlines Logo
07:00 - 17:50IAH-DEN
11h 50m1 stop
Alaska Airlines Logo
19:04 - 16:50DEN-IAH
20h 46m2 stops
£233Alaska Airlines
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Wed, 7 Jan - Mon, 12 Jan
Alaska Airlines Logo
18:55 - 10:32IAH-DEN
16h 37m2 stops
Alaska Airlines Logo
19:50 - 23:59DEN-IAH
27h 09m1 stop
£241Alaska Airlines
Find Deal
Wed, 4 Feb - Tue, 10 Feb
Alaska Airlines Logo
17:54 - 19:19IAH-DEN
26h 25m2 stops
Alaska Airlines Logo
12:35 - 23:59DEN-IAH
10h 24m1 stop
£246Alaska Airlines
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Everything you should know

Our travellers' advice
AI-generated summary based on content written by travel experts
United's Economy Plus offers extra legroom seats.
Frontier's Premium Bundle includes priority boarding.
Expert advice
Expert advice
Expert advice
Expert advice
When to book
2 weeks
in advance
Our data shows that travellers who book at least 2 weeks in advance save around 37% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
January
Cheapest • 28% price drop
December
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Cheapest return fare
£98
Overall average: £107
United Airlines
Sat 4/10Tue 7/10
IAH - DEN • Direct
Cheapest one-way flight
£49
Typical prices: £62-131
United Airlines
Sat 18/10
IAH - DEN • Direct
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KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to Denver!
Expert advice

Expert advice for your flight from Houston to Denver

 
Snippets provided in this section are AI-generated based on a summarisation of KAYAK-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Airlines
Frontier

Frontier's Premium Bundle includes priority boarding and extra legroom seats.


Check-in online to avoid extra fees at the airport desk.

Read more about Frontierby Stefanie Waldek
United Airlines

United's Economy Plus offers up to 6 inches more legroom than standard economy seats.


Purchase Priority Boarding to ensure overhead bin space for your carry-on.

Read more about United Airlinesby Stefanie Waldek
Airports
IAH

IAH has a sprawling layout with 5 terminals. Use the subway or skyway for quick transfers between terminals.

Read more about IAHby John Walton
DEN

Use the RTD A line train for a cost-effective 40-minute trip from DEN to downtown Denver.

Read more about DENby Harriet Baskas
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on Frontier and United Airlines

Stefanie Waldek

Stefanie Waldek

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or out at sea, likely en route to Antarctica or the Arctic.

Read more
John Walton

John Walton

Expert on IAH

John Walton

John Walton

Independent aviation journalist John Walton took his first flight at eight weeks old and hasn’t stopped travelling since. A world-renowned expert in airlines and the passenger experience, he writes in depth on aviation, is a resident expert on travel in Japan and France, and offers a uniquely queer perspective on travelling the world.

Read more
Harriet Baskas

Harriet Baskas

Expert on DEN

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, The Points Guy, and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Booking Insights

KAYAK's insights & trends for Houston to Denver flights

Get data-powered insights and trends into flights from Houston to Denver to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Houston George Bush Intcntl Airport to Denver?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Houston George Bush Intcntl Airport to Denver, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Houston George Bush Intcntl Airport to Denver is January, where tickets cost £95 (return) on average. On the other hand, the most expensive months are December and May, where the average cost of round-trip tickets is £177 and £152 respectively.

How far in advance should I book a flight from Houston George Bush Intcntl Airport to Denver?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Houston George Bush Intcntl Airport to Denver, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Houston George Bush Intcntl Airport to Denver, you should book around 2 weeks before departure, which saves you about 37% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 4 weeks before departure.

Find deals

Good to know - Cheap tickets from Houston to Denver

Low seasonApril
Cheapest flight£49
Best time to beat the crowds (1% less expensive on average)
Most popular time to fly (34% more expensive on average)
Flight from Houston to Denver

When to book flights from Houston to Denver

Are your dates flexible? Find out the best times to travel from Houston to Denver based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Houston to Denver flights

  • Does Denver International Airport have an airport hotel?

    Yes. For those looking to stay at an airport hotel, book your stay at the Westin Hotel at Denver International Airport. The 519-room hotel with a conference center is just steps away from the main terminal. It is located just one level above the escalator at the Transit Center. It is a good place for business travelers to hold meetings and conferences, and the hotel also has an onsite restaurant.

  • Which family services are available at George Bush Intercontinental Airport?

    Baby care facilities are provided in most restrooms (gents, ladies, and family). The terminals are also dotted with nurseries. Private spaces are furnished with baby cots and rocking chairs where mothers can lull their babies to sleep. There are also lactation rooms at IAH, a private place where mothers can breastfeed their babies.

  • What are accessible services available at George Bush Intercontinental Airport?

    IAH is a barrier-free airport. Passengers with reduced mobility can access all areas using the elevators and ramps provided. There are reserved parking spots at the garages as well. Tactile guide paths and braille signage are in place to help the visually impaired safely navigate the airport. TTY telephones, visual paging, and white courtesy phones are also provided at IAD for the hearing impaired. The same white courtesy phones can be used to request assistance from airport staff.

  • What are the transport options from Denver International Airport?

    The most convenient way of getting downtown is taking the Regional Transportation (RTD) trains. You can get these trains from the Denver Airport Station, which departs every 15min. The Regional Transportation Department (RTD) also provides buses from the airport to downtown, and you’ll find them at the station too. There are charter buses offered at the airport to locations around Colorado, and you can reserve your space at the ground transportation area. Metered taxis are also available at the airport, and a flat rate applies to downtown, Boulder, and Denver Tech Center. Car rentals are an option too, and Avis, Hertz, Budget, and National have counters at DEN.

  • What is the cheapest flight from Houston George Bush Intcntl Airport to Denver?

    In the last 3 days, the lowest price for a flight from Houston George Bush Intcntl Airport to Denver was £67 for a one-way ticket and £133 for a return.

  • Which airports will I be using when flying from Houston to Denver?

    When flying out of Houston you will be using Houston George Bush Intcntl. You will be landing at Denver, also known as Denver Intl.

  • Which airlines offer Wi-Fi service onboard planes from Houston to Denver?

    Delta, Alaska Airlines, American Airlines, and JetBlue offer inflight Wi-Fi service on the Houston to Denver flight route.

  • Which aircraft models fly most regularly from Houston to Denver?

    The Airbus A321neo is the aircraft model that flies most regularly on the Houston to Denver flight route.

  • Which airline alliances offer flights from Houston to Denver?

    Star Alliance is the only airline alliance operating flights between Houston and Denver.

  • On which days can I fly direct from Houston to Denver?

    There are direct flights from Houston to Denver on a daily basis.

  • How does KAYAK find such low prices on flights from Houston to Denver?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Houston to Denver.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Houston to Denver?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Denver from Houston is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Houston to Denver?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Denver with an airline and back to Houston with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Houston to Denver?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Denver from Houston up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Houston George Bush Intcntl Airport to Denver

  • Houston George Bush International Airport (IAH) is a massive airport consisting of five terminals. The airport has all terminals interconnected by a subway system, landside, and a skyway airside for easy movement around the airport complex.
  • Pets are welcome at IAH as long as they remain within their carriers as TSA requires. The airport has four designated pet relief areas, and you’ll find them at Terminals B, C, D, and E, post-security.
  • Around 654 kg of carbon is emitted per passenger on flights from Houston to Denver. However, you can fly more sustainably with Frontier Airlines, United Airlines, and Southwest Airlines. These airlines emit 67%, 62%, and 59% less carbon per passenger on flights from IAH to Denver International Airport (DEN).
  • Fly with American Airlines, United Airlines, or Delta to relax and unwind at their airline lounges at Denver International Airport (DEN) after your flight. These airlines have pay-per-use lounges at DEN that admittance requires your flight ticket and a one-time fee.
  • If you have some time to pass before your flight, check out Xpress Spa in Terminal A at IAH. This establishment offers spa services that take less than 30min, and you’ll find them near Gate 17.

Prefer to fly direct from Houston to Denver?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Houston George Bush Intcntl to Denver Intl.
Find which airlines fly direct from Houston George Bush Intcntl Airport to Denver Intl Airport, which days they fly and book direct flights.

Direct departures

Houston George Bush Intcntl to Denver Intl

Monday

Frontier, United Airlines

Frontier, United Airlines

Tuesday

Frontier, United Airlines

Frontier, United Airlines

Wednesday

Frontier, United Airlines

Frontier, United Airlines

Thursday

Frontier, United Airlines

Frontier, United Airlines

Friday

Frontier, United Airlines

Frontier, United Airlines

Saturday

Frontier, United Airlines

Frontier, United Airlines

Sunday

Frontier, United Airlines

Frontier, United Airlines

See more direct flights

Direct returns

Denver Intl to Houston George Bush Intcntl

Monday

Frontier, United Airlines

Frontier, United Airlines

Tuesday

Frontier, United Airlines

Frontier, United Airlines

Wednesday

Frontier, United Airlines

Frontier, United Airlines

Thursday

Frontier, United Airlines

Frontier, United Airlines

Friday

Frontier, United Airlines

Frontier, United Airlines

Saturday

Frontier, United Airlines

Frontier, United Airlines

Sunday

Frontier, United Airlines

Frontier, United Airlines

See more direct flights

Everything you need to know for your flight from Houston to Denver

Information on your arrival and departure airports

Houston (IAH)
Denver (DEN)

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