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Cheap flights from Houston George Bush Intcntl Airport to Denver from £101

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 29/6. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — DEN
13 Jun — 20 Jun1
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 14 May 2026.

Mon 29/622:08
IAH
-
DEN
Nonstop2h 51m
Frontier
Thu 2/721:06
DEN
-
IAH
Nonstop2h 38m
Frontier
Deal found 10/5£101
Tue 13/1022:15
IAH
-
DEN
Nonstop2h 38m
Frontier
Sat 17/1020:44
DEN
-
IAH
Nonstop2h 25m
Frontier
Deal found 14/5£105
Tue 16/606:30
IAH
-
DEN
Nonstop2h 32m
United Airlines
Tue 23/618:05
DEN
-
IAH
Nonstop2h 31m
United Airlines
Deal found 13/5£200
Thu 3/1221:55
IAH
-
DEN
Nonstop2h 32m
United Airlines
Tue 8/1215:40
DEN
-
IAH
Nonstop2h 20m
United Airlines
Deal found 10/5£206
Wed 3/618:19
IAH
-
DEN
Nonstop2h 55m
United Airlines
Tue 9/618:05
DEN
-
IAH
Nonstop2h 31m
United Airlines
Deal found 13/5£209
Mon 8/606:30
IAH
-
DEN
Nonstop2h 32m
United Airlines
Mon 15/605:00
DEN
-
IAH
Nonstop2h 32m
United Airlines
Deal found 9/5£211
Tue 23/614:20
IAH
-
DEN
1 stop6h 44m
Delta
Wed 1/705:40
DEN
-
IAH
1 stop6h 48m
Delta
Deal found 10/5£215
Fri 3/705:15
IAH
-
DEN
Nonstop2h 32m
United Airlines
Mon 6/721:10
DEN
-
IAH
Nonstop2h 31m
United Airlines
Deal found 14/5£216
Wed 3/608:30
IAH
-
DEN
Nonstop2h 35m
United Airlines
Sat 6/616:20
DEN
-
IAH
Nonstop2h 37m
United Airlines
Deal found 12/5£217

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 14 May 2026.

Round-trip from

£101

Popular in

March

Cheapest in

August

Average price

£152

Good one-way deal

£45 or less
Frontier
  • Frontier
  • 29/6-2/7
  • Nonstop
  • 5h 29m total
  • Houston to Denver
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£11 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 May 2026
Search Deals
Price to beat on a one-way flight from Houston George Bush Intcntl to Denver Intl.
Search Deals

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 14 May 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
Fastest return journey

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

Tue 16/6

06:30-08:02

Nonstop2h 32m

Denver Intl

Tue 23/6

18:05-21:36

Nonstop2h 31m

£200

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

Mon 29/6

07:02-15:00

1 stop8h 58m

Denver Intl

Thu 2/7

05:45-15:25

1 stop8h 40m

£226

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

Fri 12/6

16:20-21:57

1 stop6h 37m

Denver Intl

Wed 17/6

16:43-23:56

1 stop6h 13m

£226

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

Sat 26/9

06:30-12:53

1 stop7h 23m

Denver Intl

Sun 27/9

00:59-08:32

1 stop6h 33m

£226

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

Mon 8/6

14:20-20:04

1 stop6h 44m

Denver Intl

Mon 15/6

00:40-08:37

1 stop6h 57m

£231

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

Fri 17/7

06:30-08:02

Nonstop2h 32m

Denver Intl

Sun 26/7

21:10-00:41

Nonstop2h 31m

£231

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

Thu 18/6

05:15-06:47

Nonstop2h 32m

Denver Intl

Sun 21/6

19:35-23:06

Nonstop2h 31m

£285

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

Wed 10/6

05:15-06:47

Nonstop2h 32m

Denver Intl

Sat 13/6

17:18-20:55

Nonstop2h 37m

£328

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

Mon 25/5

07:20-08:55

Nonstop2h 35m

Denver Intl

Fri 29/5

20:28-23:59

Nonstop2h 31m

£339

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

Thu 11/6

18:19-20:14

Nonstop2h 55m

Denver Intl

Thu 18/6

17:18-20:55

Nonstop2h 37m

£356

Flights are sorted by cheapest return flights first.

Deals found on 10/5

Showing 1-10 of 23 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?

Booking 66 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, August is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Denver (average of £130). Flying from Houston George Bush Intcntl Airport to Denver in March is currently the most expensive (average of £226). 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 14 May 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 35 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 32m. Your travel time can differ by up to 4h 13m. 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 (93%), Volaris (92%), Air Canada( 84%).

  • What are the cheapest flights from Houston George Bush Intcntl Airport to Denver?

    On average you can expect to pay £88 for a flight from Houston George Bush Intcntl Airport to Denver. The cheapest flight overall is £45 while the most popular route, (Houston George Bush Intcntl - Denver Intl) is currently priced at £160.

  • 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, August is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Denver (average of £130). Flying from Houston George Bush Intcntl Airport to Denver in March is currently the most expensive (average of £226). 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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