In terms of precipitation, rainfall in Houston George Bush Intcntl Airport ranges from 81.0 - 150.0 inches per month. June is typically the wettest month, when rainfall can reach 150.0 mm. February is typically the driest time to visit Houston George Bush Intcntl Airport when rainfall is around 81.0 mm.

If weather is an important factor for your trip to Houston George Bush Intcntl Airport, 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 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 12.0 C).

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

When flying from Belfast Intl Airport to Houston George Bush Intcntl Airport, 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 Belfast Intl to George Bush Intcntl that include hotel bookings?

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

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

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

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£848+ Cheap Flights from Belfast Intl Airport to Houston George Bush Intcntl Airport

Cheap flight deals from Belfast Intl to George Bush Intcntl

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Cheapest flights from Belfast Intl to George Bush Intcntl
Explore the most affordable flight options available from Belfast Intl to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 November 2026.

Tue 29/1207:05 -

1 stop15h 45m

Sat 9/119:10 -

1 stop20h 15m

Deal found 9/11£1,174

Find flight deals from Belfast Intl to George Bush Intcntl

Round-trip from	£848

5/3-16/3
4 total stops
53h 55m total
Belfast to Houston

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

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BelfastHouston

BFS Belfast Intl - IAH Houston George Bush Intcntl

BFSIAH

Belfast Intl

Fri 5/3

13:05-16:20

2 stops33h 15m

Houston George Bush Intcntl

Tue 16/3

12:00-13:40

2 stops20h 40m

£848

BelfastHouston

BFS Belfast Intl - IAH Houston George Bush Intcntl

BFSIAH

Belfast Intl

Tue 30/3

07:55-13:15

3 stops35h 20m

Houston George Bush Intcntl

Tue 6/4

17:05-19:30

2 stops20h 25m

£946

Fastest return journey

BelfastHouston

BFS Belfast Intl - IAH Houston George Bush Intcntl

BFSIAH

Belfast Intl

Tue 29/12

07:05-16:50

1 stop15h 45m

Houston George Bush Intcntl

Sat 9/1

19:10-21:25

1 stop20h 15m

£1,174

Flights are sorted by cheapest return flights first.

Deals found on 6/11

Sorted by cheapest first

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

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

BFS-IAH

Estimated return price

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Can I find deals for flights from Belfast Intl to George Bush Intcntl that include hotel bookings?
Yes. In addition to deals on Belfast Intl to George Bush Intcntl flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Belfast Intl to George Bush Intcntl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belfast Intl to George Bush Intcntl.
Can I find deals for business class flights from Belfast Intl to George Bush Intcntl?
Yes. Cheapflights offers flight deals from Belfast Intl to George Bush Intcntl 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 Belfast Intl Airport to Houston George Bush Intcntl Airport from £848

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/3. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Belfast Intl to George Bush Intcntl

Cheapest flights from Belfast Intl to George Bush IntcntlExplore the most affordable flight options available from Belfast Intl to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 November 2026.

Explore the most affordable flight options available from Belfast Intl to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 November 2026.

Best flights from Belfast Intl to George Bush IntcntlDiscover carefully curated flight deals from Belfast Intl to George Bush Intcntl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 11 November 2026.

Discover carefully curated flight deals from Belfast Intl to George Bush Intcntl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 11 November 2026.

Last-minute flights from Belfast Intl to George Bush IntcntlDiscover last-minute flight deals from Belfast Intl to George Bush Intcntl. Data last updated 11 November 2026 and is based on user searches.

Discover last-minute flight deals from Belfast Intl to George Bush Intcntl. Data last updated 11 November 2026 and is based on user searches.

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

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Related info for your journey

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

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

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Belfast Intl to George Bush Intcntl

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

Direct flights to Texas

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Other flights to George Bush Intcntl

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Belfast Intl and George Bush Intcntl flights

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Cheapest flights from Belfast Intl to George Bush Intcntl
Explore the most affordable flight options available from Belfast Intl to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 November 2026.

Best flights from Belfast Intl to George Bush Intcntl
Discover carefully curated flight deals from Belfast Intl to George Bush Intcntl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 11 November 2026.

Last-minute flights from Belfast Intl to George Bush Intcntl
Discover last-minute flight deals from Belfast Intl to George Bush Intcntl. Data last updated 11 November 2026 and is based on user searches.