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Cheap flights from Houston George Bush Intcntl Airport to Denver from £75

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — DEN
28 Apr — 5 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from George Bush Intcntl to Denver

Enter your travel dates to find the best prices.

Cheapest flights from George Bush Intcntl to Denver
Explore the most affordable flight options available from George Bush Intcntl to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 March 2026.

Sun 3/509:34
IAH
-
DEN
Nonstop2h 52m
Frontier
Wed 6/507:00
DEN
-
IAH
Nonstop2h 44m
Frontier
Deal found 26/3£75
Sat 2/513:48
IAH
-
DEN
1 stop8h 57m
Frontier
Tue 5/521:06
DEN
-
IAH
Nonstop2h 38m
Frontier
Deal found 26/3£76
Tue 5/517:40
IAH
-
DEN
Nonstop2h 49m
Frontier
Fri 8/508:41
DEN
-
IAH
1 stop15h 44m
Frontier
Deal found 26/3£83
Fri 1/506:45
IAH
-
DEN
Nonstop2h 43m
Frontier
Mon 4/521:06
DEN
-
IAH
Nonstop2h 42m
Frontier
Deal found 26/3£85
Wed 15/412:48
IAH
-
DEN
Nonstop2h 45m
United Airlines
Wed 22/416:34
DEN
-
IAH
Nonstop2h 40m
United Airlines
Deal found 25/3£130

Find flight deals from George Bush Intcntl to Denver

Discover tips and strategies to find the most affordable flight options for your journey from George Bush Intcntl (IAH) to Denver (DEN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 29 March 2026.

Round-trip from

£75

One-way from

£75

Popular in

March

Cheapest in

April

Average price

£220
Frontier
  • Frontier
  • 5/5-8/5
  • Nonstop
  • 5h 19m total
  • Houston to Denver
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United Airlines
  • United Airlines
  • 20/4
  • Nonstop
  • 2h 45m total
  • Houston to Denver
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£7 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
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Cheapflights Fare Finder

 
Customise your flight search to find flights from George Bush Intcntl to Denver that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 29 March 2026.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Denver that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

Tue 7/7

06:30-12:05

1 stop6h 35m

Denver Intl

Mon 13/7

05:40-11:47

1 stop5h 07m

£219

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

Fri 25/9

14:35-19:58

1 stop6h 23m

Denver Intl

Mon 28/9

05:40-12:19

1 stop5h 39m

£241

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

Fri 25/9

18:05-19:40

Nonstop2h 35m

Denver Intl

Mon 28/9

19:15-22:35

Nonstop2h 20m

£275

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

Thu 24/9

14:35-22:29

1 stop8h 54m

Denver Intl

Sat 26/9

00:59-08:32

1 stop6h 33m

£281

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

Tue 5/5

10:41-15:36

1 stop5h 55m

Denver Intl

Thu 7/5

00:56-11:09

1 stop9h 13m

£284
Fastest return journey

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

Thu 24/9

05:05-06:33

Nonstop2h 28m

Denver Intl

Sun 27/9

05:00-08:20

Nonstop2h 20m

£314

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

Thu 10/9

07:50-19:39

1 stop12h 49m

Denver Intl

Mon 14/9

18:25-22:01

Nonstop2h 36m

£353

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

Fri 11/9

07:50-19:39

1 stop12h 49m

Denver Intl

Mon 14/9

18:25-22:01

Nonstop2h 36m

£353
Cheapest one-way

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

Sat 25/4

09:43-15:17

1 stop6h 34m

£82

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

Tue 19/5

14:45-20:15

1 stop6h 30m

£103

Flights are sorted by cheapest return flights first.

Deals found on 26/3

Showing 1-10 of 17 resultsSorted by cheapest first
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Best time to book a flight from George Bush Intcntl to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from George Bush Intcntl with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Houston George Bush Intcntl Airport to Denver

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

Use this chart to determine the optimal time to book a return flight from George Bush Intcntl to Denver. Price data was last updated on 13 March 2026.

Booking 59 days in advance of your planned departure date is, on average, the best time to get cheap flights from Houston George Bush Intcntl Airport to Denver. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Houston George Bush Intcntl Airport to Denver?

Currently, February is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Denver (average of £43). Flying from Houston George Bush Intcntl Airport to Denver in July is currently the most expensive (average of £89). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IAH to DEN?

Find hourly flight availability from George Bush Intcntl to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 March 2026.

Unlike at midday, when flights are generally more expensive, you can save up to 56% on flights from Houston George Bush Intcntl Airport to Denver by exploring options for tickets in the evening.

How much does it cost for a return flight from Houston George Bush Intcntl Airport to Denver?

Related info for your journey

Find useful and relevant information for your journey from George Bush Intcntl to Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Denver from Houston George Bush Intcntl?

    Denver Intl (DEN) is the airport you will fly into if you book a flight from Houston George Bush Intcntl to Denver. You should not have trouble finding flights to Denver Intl from Houston George Bush Intcntl; the airport handles an average of 26 inbound flights from Houston George Bush Intcntl per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the Denver airport from Houston George Bush Intcntl. It is only a 18.5 mi journey from Denver Intl (DEN) to Denver’s city center.

  • How long is the flight from Houston George Bush Intcntl Airport to Denver?

    United Airlines and Delta can get you from Houston George Bush Intcntl Airport to Denver in just under 2h 46m. Your travel time can differ by up to 4h 12m. The distance from Houston George Bush Intcntl Airport to Denver is about 861 mi. This flight may include one or multiple stops.

  • What are the most reliable airlines from Houston George Bush Intcntl Airport to Denver?

    Before booking your flight to Denver from Houston George Bush Intcntl Airport, check out the most reliable airlines to get you to your destination on time: Frontier (87%), Air New Zealand (86%), Air Canada( 85%).

  • Can I find deals for flights from George Bush Intcntl to Denver that include hotel bookings?

    Yes. In addition to deals on George Bush Intcntl to Denver flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from George Bush Intcntl to Denver?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from George Bush Intcntl to Denver.

  • Can I find deals for business class flights from George Bush Intcntl to Denver?

    Yes. Cheapflights offers flight deals from George Bush Intcntl to Denver by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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

    Currently, February is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Denver (average of £43). Flying from Houston George Bush Intcntl Airport to Denver in July is currently the most expensive (average of £89). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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