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

Airlines like KLM, American Airlines, and British Airways fly from Houston George Bush Intcntl Airport to Belfast in about 11h 55m. The time it takes to get you to your destination can typically vary by up to 6h 24m. The distance between Houston George Bush Intcntl Airport and Belfast is about 4534 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

In terms of precipitation, rainfall in Belfast ranges from 50.0 - 90.0 inches per month. October is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Belfast when rainfall is around 50.0 mm.

If weather is an important factor for your trip to Belfast, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

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

When flying from Houston George Bush Intcntl Airport to Belfast, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

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

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

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 Belfast.

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

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

£387+ Cheap Flights from Houston George Bush Intcntl Airport to Belfast

Cheap flight deals from George Bush Intcntl to Belfast

Enter your travel dates to find the best prices.

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Cheapest flights from George Bush Intcntl to Belfast
Explore the most affordable flight options available from George Bush Intcntl to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 September 2026.

Thu 3/1215:50 -

1 stop13h 05m

Tue 8/1210:00 -

1 stop15h 55m

Deal found 30/8£739

Thu 15/1011:55 -

2 stops16h 15m

Tue 20/1006:30 -

1 stop12h 55m

Deal found 31/8£758

Fri 16/1021:10 -

1 stop15h 00m

Mon 19/1018:30 -

1 stop24h 55m

Deal found 31/8£759

Wed 14/1014:22 -

2 stops15h 38m

Sun 18/1006:30 -

1 stop12h 55m

Deal found 30/8£765

Thu 15/1015:25 -

1 stop11h 55m

Tue 20/1017:30 -

1 stop25h 50m

Deal found 31/8£770

Thu 15/1018:00 -

2 stops16h 55m

Mon 19/1017:30 -

2 stops28h 24m

Deal found 31/8£780

Fri 16/1017:51 -

2 stops18h 19m

Mon 19/1009:40 -

2 stops19h 11m

Deal found 31/8£802

Sun 20/921:05 -

1 stop15h 40m

Sun 27/906:30 -

1 stop12h 55m

Deal found 2/9£807

Fri 16/1006:30 -

2 stops32h 15m

Mon 19/1008:00 -

2 stops35h 55m

Deal found 31/8£947

Sat 19/915:55 -

2 stops18h 40m

Sun 27/918:00 -

2 stops31h 20m

Deal found 31/8£1,060

Thu 15/1007:20 -

2 stops20h 20m

Mon 19/1008:00 -

2 stops35h 55m

Deal found 31/8£1,091

Thu 15/1012:00 -

2 stops25h 30m

Tue 20/1014:45 -

2 stops34h 35m

Deal found 31/8£1,205

Find flight deals from George Bush Intcntl to Belfast

Round-trip from	£739
One-way from	£387

British Airways
3/12-8/12
2 total stops
29h 00m total
Houston to Belfast

Search Deals

KLM
16/10
2 total stops
16h 35m total
Houston to Belfast

Search Deals

Cheapflights Fare Finder

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

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Route

Depart

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Price

Cheapest return flight

HoustonBelfast

IAH Houston George Bush Intcntl - BHD Belfast City

IAHBHD

Houston George Bush Intcntl

Thu 15/10

15:25-09:20

1 stop11h 55m

Belfast City

Tue 20/10

17:30-13:20

1 stop25h 50m

£770

HoustonBelfast

IAH Houston George Bush Intcntl - BHD Belfast City

IAHBHD

Houston George Bush Intcntl

Thu 15/10

15:25-16:55

1 stop19h 30m

Belfast City

Mon 19/10

17:30-13:20

1 stop25h 50m

£770

HoustonBelfast

IAH Houston George Bush Intcntl - BHD Belfast City

IAHBHD

Houston George Bush Intcntl

Fri 16/10

17:51-18:10

2 stops18h 19m

Belfast City

Mon 19/10

09:40-22:51

2 stops19h 11m

£802

Fastest return journey

HoustonBelfast

IAH Houston George Bush Intcntl - BHD Belfast City

IAHBHD

Houston George Bush Intcntl

Sun 20/9

21:05-18:45

1 stop15h 40m

Belfast City

Sun 27/9

06:30-13:25

1 stop12h 55m

£807

HoustonBelfast

IAH Houston George Bush Intcntl - BHD Belfast City

IAHBHD

Houston George Bush Intcntl

Sat 19/9

10:46-12:25

2 stops19h 39m

Belfast City

Sun 27/9

20:10-21:59

2 stops31h 49m

£872

HoustonBelfast

IAH Houston George Bush Intcntl - BHD Belfast City

IAHBHD

Houston George Bush Intcntl

Sun 20/12

16:55-10:50

2 stops35h 55m

Belfast City

Thu 31/12

17:50-14:05

1 stop26h 15m

£897

HoustonBelfast

IAH Houston George Bush Intcntl - BFS Belfast Intl

IAHBFS

Houston George Bush Intcntl

Fri 16/10

06:30-20:45

2 stops32h 15m

Belfast Intl

Mon 19/10

08:00-13:55

2 stops35h 55m

£947

HoustonBelfast

IAH Houston George Bush Intcntl - BHD Belfast City

IAHBHD

Houston George Bush Intcntl

Fri 16/10

06:30-20:50

2 stops32h 20m

Belfast City

Mon 19/10

14:05-19:20

3 stops35h 15m

£1,024

HoustonBelfast

IAH Houston George Bush Intcntl - BHD Belfast City

IAHBHD

Houston George Bush Intcntl

Mon 16/11

21:40-16:05

1 stop12h 25m

Belfast City

Wed 18/11

17:35-19:55

1 stop32h 20m

£1,037

HoustonBelfast

IAH Houston George Bush Intcntl - BFS Belfast Intl

IAHBFS

Houston George Bush Intcntl

Sat 19/9

15:55-16:35

2 stops18h 40m

Belfast Intl

Sun 27/9

18:00-19:20

2 stops31h 20m

£1,060

Flights are sorted by cheapest return flights first.

Deals found on 31/8

Showing 1-10 of 13 resultsSorted by cheapest first

Best time to book a flight from George Bush Intcntl to Belfast

Have a flexible travel schedule? Discover the best time to fly to Belfast from George Bush Intcntl with our price prediction graph.

IAH-BF1

IAH-BHD

IAH-BFS

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 Belfast

IAH-BF1

IAH-BHD

IAH-BFS

No data available for this route at this time. Please check back soon.

Related info for your journey

How long is the flight from Houston George Bush Intcntl Airport to Belfast?
Airlines like KLM, American Airlines, and British Airways fly from Houston George Bush Intcntl Airport to Belfast in about 11h 55m. The time it takes to get you to your destination can typically vary by up to 6h 24m. The distance between Houston George Bush Intcntl Airport and Belfast is about 4534 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
Can I find deals for flights from George Bush Intcntl to Belfast that include hotel bookings?
Yes. In addition to deals on George Bush Intcntl to Belfast flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from George Bush Intcntl to Belfast?
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 Belfast.
Can I find deals for business class flights from George Bush Intcntl to Belfast?
Yes. Cheapflights offers flight deals from George Bush Intcntl to Belfast by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Cheap flights from Houston George Bush Intcntl Airport to Belfast from £387

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 16/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from George Bush Intcntl to Belfast

Cheapest flights from George Bush Intcntl to BelfastExplore the most affordable flight options available from George Bush Intcntl to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 September 2026.

Explore the most affordable flight options available from George Bush Intcntl to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 September 2026.

Best flights from George Bush Intcntl to BelfastDiscover carefully curated flight deals from George Bush Intcntl to Belfast that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 3 September 2026.

Discover carefully curated flight deals from George Bush Intcntl to Belfast that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 3 September 2026.

Last-minute flights from George Bush Intcntl to BelfastDiscover last-minute flight deals from George Bush Intcntl to Belfast. Data last updated 3 September 2026 and is based on user searches.

Discover last-minute flight deals from George Bush Intcntl to Belfast. Data last updated 3 September 2026 and is based on user searches.

One-way flights from George Bush Intcntl to BelfastSearch for one-way flight options from George Bush Intcntl to Belfast. Find affordable one-way fares based on user searches. Data last updated 3 September 2026.

Search for one-way flight options from George Bush Intcntl to Belfast. Find affordable one-way fares based on user searches. Data last updated 3 September 2026.

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Best time to book a flight from George Bush Intcntl to Belfast

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Related info for your journey

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for George Bush Intcntl to Belfast

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Complete your trip

Complete your trip to Belfast by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Northern Ireland

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George Bush Intcntl and Belfast flights

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Can Cheapflights notify me if prices for flights from George Bush Intcntl to Belfast become cheaper?

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Cheapest flights from George Bush Intcntl to Belfast
Explore the most affordable flight options available from George Bush Intcntl to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 September 2026.

Best flights from George Bush Intcntl to Belfast
Discover carefully curated flight deals from George Bush Intcntl to Belfast that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 3 September 2026.

Last-minute flights from George Bush Intcntl to Belfast
Discover last-minute flight deals from George Bush Intcntl to Belfast. Data last updated 3 September 2026 and is based on user searches.

One-way flights from George Bush Intcntl to Belfast
Search for one-way flight options from George Bush Intcntl to Belfast. Find affordable one-way fares based on user searches. Data last updated 3 September 2026.