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Cheap flights from Houston George Bush Intcntl Airport to Denver from £46

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 20/11. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — DEN
30 Nov — 7 Dec1
1 adult
1 adult, Economy, 0 bags

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 31 October 2025.

Round-trip from

£77

One-way from

£46

Popular in

December

Cheapest in

January

Average price

£140

Good one-way deal

£84 or less
Frontier
  • Frontier
  • 6/12-9/12
  • 1 total stop
  • 15h 48m total
  • Houston to Denver
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Frontier
  • Frontier
  • 20/11
  • 1 total stop
  • 27h 40m total
  • Houston to Denver
Search Deals
High demand for flights, 2% potential price rise
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Cheapest flight prices on average. 2% potential price decrease (£3 potential savings vs. average return price).
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Average for round-trip flights in October 2025
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Price to beat on a one-way flight from Houston George Bush Intcntl to Denver Intl.
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Find 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 31 October 2025.

Sat 6/1220:07IAH - DEN
1 stop13h 17mFrontier
Tue 9/1217:30DEN - IAH
Nonstop2h 31mFrontier
Deal found 29/10£77
Sat 6/1211:32IAH - DEN
Nonstop2h 44mMultiple Airlines
Mon 8/1200:59DEN - IAH
2 stops15h 44mMultiple Airlines
Deal found 29/10£115
Sat 6/1221:54IAH - DEN
Nonstop2h 36mUnited Airlines
Tue 9/1220:35DEN - IAH
Nonstop2h 24mUnited Airlines
Deal found 29/10£119
Wed 3/1212:35IAH - DEN
1 stop6h 17mDelta
Mon 8/1200:50DEN - IAH
1 stop7h 01mDelta
Deal found 29/10£150
Wed 3/1207:40IAH - DEN
1 stop8h 18mDelta
Thu 4/1200:50DEN - IAH
1 stop7h 01mDelta
Deal found 31/10£157
Thu 4/1216:28IAH - DEN
1 stop7h 25mDelta
Sun 7/1200:50DEN - IAH
1 stop7h 01mDelta
Deal found 31/10£165
Wed 17/1206:40IAH - DEN
1 stop7h 13mDelta
Sat 10/106:00DEN - IAH
1 stop8h 18mDelta
Deal found 29/10£173
Thu 18/1211:35IAH - DEN
1 stop8h 23mDelta
Fri 9/106:00DEN - IAH
1 stop8h 18mDelta
Deal found 29/10£178
Sat 6/1208:30IAH - DEN
Nonstop2h 35mUnited Airlines
Mon 8/1219:20DEN - IAH
Nonstop2h 25mUnited Airlines
Deal found 29/10£188

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 31 October 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

Sat 10/1

07:13-08:55

Nonstop2h 42m

Denver Intl

Wed 14/1

05:01-08:36

Nonstop2h 35m

£119

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

Fri 20/2

20:23-22:10

Nonstop2h 47m

Denver Intl

Sun 22/2

07:45-11:15

Nonstop2h 30m

£131

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

Fri 30/1

22:01-23:41

Nonstop2h 40m

Denver Intl

Mon 2/2

05:01-08:36

Nonstop2h 35m

£131

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

Wed 4/2

16:25-00:28

1 stop9h 03m

Denver Intl

Tue 10/2

13:16-21:15

1 stop6h 59m

£150

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

Wed 3/12

07:40-14:58

1 stop8h 18m

Denver Intl

Wed 10/12

16:15-23:14

1 stop5h 59m

£150

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

Tue 3/3

12:30-18:10

1 stop6h 40m

Denver Intl

Wed 4/3

15:10-23:59

1 stop7h 49m

£150

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

Tue 9/12

11:36-18:58

1 stop8h 22m

Denver Intl

Thu 11/12

00:50-08:51

1 stop7h 01m

£157

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

Sun 14/12

18:39-00:07

1 stop6h 28m

Denver Intl

Thu 18/12

05:45-15:22

1 stop8h 37m

£165

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

Fri 5/12

18:39-00:07

1 stop6h 28m

Denver Intl

Sun 7/12

00:50-08:51

1 stop7h 01m

£165

HoustonDenver

IAH - DEN

IAHDEN

Houston George Bush Intcntl

Wed 24/12

20:22-22:05

Nonstop2h 43m

Denver Intl

Sun 4/1

05:00-08:38

Nonstop2h 38m

£191

Flights are sorted by cheapest return flights first.

Deals found on 30/10

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 24 October 2025.

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, January is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Denver (average of £34). Flying from Houston George Bush Intcntl Airport to Denver in July is currently the most expensive (average of £85). 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 31 October 2025.

Unlike at midday, when flights are generally more expensive, you can save up to 49% 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 15 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?

    Delta can get you from Houston George Bush Intcntl Airport to Denver in just under 7h 04m. Your travel time can differ by up to . The distance from Houston George Bush Intcntl Airport to Denver is about 861 mi.

  • 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 (84%), Air New Zealand (83%), Avianca( 82%).

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

    On average you can expect to pay £136 for a flight from Houston George Bush Intcntl Airport to Denver. The cheapest flight overall is £79 while the most popular route, (Houston George Bush Intcntl - Denver Intl) is currently priced at £82.

  • 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 £34). Flying from Houston George Bush Intcntl Airport to Denver in July is currently the most expensive (average of £85). 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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