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Cheap flights from Houston George Bush Intcntl Airport to Denver from £49

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/12. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — DEN
12 Oct — 19 Oct1
1 adult
1 adult, Economy

Cheap 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 12 September 2025.

Round-trip from

£98

One-way from

£49

Popular in

December

Cheapest in

January

Average price

£109
United Airlines
  • United Airlines
  • 4/10-7/10
  • Nonstop
  • 5h 04m total
  • Houston to Denver
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United Airlines
  • United Airlines
  • 1/11
  • Nonstop
  • 2h 40m total
  • Houston to Denver
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£2 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£4 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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Find flight deals from George Bush Intcntl to Denver

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 12 September 2025.

Sat 4/1020:21IAH - DEN
Nonstop2h 39mUnited Airlines
Tue 7/1020:34DEN - IAH
Nonstop2h 25mUnited Airlines
Deal found 9/9£98
Sun 19/1005:14IAH - DEN
Nonstop2h 30mUnited Airlines
Sat 1/1117:25DEN - IAH
Nonstop2h 28mUnited Airlines
Deal found 10/9£110
Mon 15/1221:54IAH - DEN
Nonstop2h 36mUnited Airlines
Sun 21/1205:00DEN - IAH
Nonstop2h 38mUnited Airlines
Deal found 11/9£122
Sat 27/907:20IAH - DEN
Nonstop2h 31mUnited Airlines
Sat 4/1020:34DEN - IAH
Nonstop2h 25mUnited Airlines
Deal found 11/9£137
Wed 31/1206:40IAH - DEN
Nonstop2h 38mUnited Airlines
Wed 7/120:32DEN - IAH
Nonstop2h 27mUnited Airlines
Deal found 11/9£142
Thu 9/1020:21IAH - DEN
Nonstop2h 38mUnited Airlines
Thu 16/1020:34DEN - IAH
Nonstop2h 25mUnited Airlines
Deal found 11/9£154
Mon 8/1207:01IAH - DEN
1 stop9h 11mDelta
Thu 11/1211:12DEN - IAH
1 stop5h 38mDelta
Deal found 12/9£160
Sat 25/1005:14IAH - DEN
Nonstop2h 30mUnited Airlines
Mon 27/1020:37DEN - IAH
Nonstop2h 22mUnited Airlines
Deal found 11/9£162
Sun 19/1005:14IAH - DEN
Nonstop2h 30mUnited Airlines
Thu 23/1020:34DEN - IAH
Nonstop2h 25mUnited Airlines
Deal found 11/9£171
Sun 19/1005:14IAH - DEN
Nonstop2h 30mUnited Airlines
Mon 3/1119:25DEN - IAH
Nonstop2h 26mUnited Airlines
Deal found 10/9£174
Fri 21/1112:50IAH - DEN
Nonstop2h 36mUnited Airlines
Mon 24/1120:37DEN - IAH
Nonstop2h 22mUnited Airlines
Deal found 10/9£174

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 12 September 2025.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Denver that are best for you.

Fly from

George Bush Intcntl

Fly to

Denver

Route

Depart

Return

Price

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

Mon 15/12

21:54-23:30

Nonstop2h 36m

Denver Intl

Sun 21/12

05:00-08:38

Nonstop2h 38m

£122

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

Wed 31/12

06:40-08:18

Nonstop2h 38m

Denver Intl

Wed 7/1

20:32-23:59

Nonstop2h 27m

£142

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

Mon 8/12

07:01-14:09

1 stop8h 08m

Denver Intl

Thu 11/12

11:12-17:50

1 stop5h 38m

£160

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

Wed 31/12

07:40-15:20

1 stop8h 40m

Denver Intl

Wed 7/1

16:40-23:59

1 stop6h 19m

£160

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

Wed 17/12

20:23-22:04

Nonstop2h 41m

Denver Intl

Sun 21/12

19:48-23:16

Nonstop2h 28m

£162

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

Sat 25/10

05:14-06:44

Nonstop2h 30m

Denver Intl

Mon 27/10

20:37-23:59

Nonstop2h 22m

£162

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

Thu 9/10

21:40-23:13

Nonstop2h 33m

Denver Intl

Mon 13/10

20:34-23:59

Nonstop2h 25m

£178

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

Mon 24/11

17:48-23:14

1 stop6h 26m

Denver Intl

Fri 28/11

13:57-23:14

1 stop8h 17m

£180

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

Mon 29/9

15:59-23:59

1 stop9h 00m

Denver Intl

Wed 1/10

06:05-14:16

1 stop7h 11m

£190

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

Sun 4/1

06:00-11:27

1 stop6h 27m

Denver Intl

Fri 9/1

06:05-15:04

1 stop7h 59m

£201

Flights are sorted by cheapest return flights first.

Deals found on 12/9

Showing 1-10 of 21 results
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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 29 August 2025.

Booking 90 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, January is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Denver (average of £667). Flying from Houston George Bush Intcntl Airport to Denver in July is currently the most expensive (average of £987). 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 12 September 2025.

Unlike at midday, when flights are generally more expensive, you can save up to 13% on flights from Houston George Bush Intcntl Airport to Denver by exploring options for tickets in the morning.

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 33m. Your travel time can differ by up to 5h 35m. 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: Air Canada (74%), Air New Zealand (74%), United Airlines( 71%).

  • 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, January is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Denver (average of £667). Flying from Houston George Bush Intcntl Airport to Denver in July is currently the most expensive (average of £987). 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.

See more FAQs

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