In terms of precipitation, rainfall in Belfast Intl Airport 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 Intl Airport when rainfall is around 50.0 mm.

If weather is an important factor for your trip to Belfast Intl 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 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 Intl 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 George Bush Intcntl to Belfast Intl that include hotel bookings?

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

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

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 Intl.

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

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

£871+ Cheap Flights from Houston George Bush Intcntl Airport to Belfast Intl Airport

Cheap flight deals from George Bush Intcntl to Belfast Intl

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Cheapest flights from George Bush Intcntl to Belfast Intl
Explore the most affordable flight options available from George Bush Intcntl to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 August 2026.

Sun 27/915:55 -

1 stop20h 30m

Mon 12/1009:10 -

2 stops34h 30m

Deal found 18/8£871

Sat 19/907:20 -

2 stops20h 15m

Fri 25/906:05 -

2 stops21h 47m

Deal found 16/8£892

Sat 19/907:20 -

2 stops20h 15m

Sat 26/906:20 -

3 stops46h 20m

Deal found 16/8£926

Find flight deals from George Bush Intcntl to Belfast Intl

Round-trip from	£871

27/9-12/10
3 total stops
55h 00m total
Houston to Belfast

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HoustonBelfast

IAH Houston George Bush Intcntl - BFS Belfast Intl

IAHBFS

Houston George Bush Intcntl

Sun 27/9

15:55-18:25

1 stop20h 30m

Belfast Intl

Mon 12/10

09:10-13:40

2 stops34h 30m

£871

Fastest return journey

HoustonBelfast

IAH Houston George Bush Intcntl - BFS Belfast Intl

IAHBFS

Houston George Bush Intcntl

Sat 19/9

07:20-09:35

2 stops20h 15m

Belfast Intl

Fri 25/9

06:05-21:52

2 stops21h 47m

£892

HoustonBelfast

IAH Houston George Bush Intcntl - BFS Belfast Intl

IAHBFS

Houston George Bush Intcntl

Sat 19/9

07:20-09:35

2 stops20h 15m

Belfast Intl

Sat 26/9

06:20-22:40

3 stops46h 20m

£926

Flights are sorted by cheapest return flights first.

Deals found on 18/8

Sorted by cheapest first

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

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

IAH-BFS

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Related info for your journey

Can I find deals for flights from George Bush Intcntl to Belfast Intl that include hotel bookings?
Yes. In addition to deals on George Bush Intcntl to Belfast Intl flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from George Bush Intcntl to Belfast Intl?
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 Intl.
Can I find deals for business class flights from George Bush Intcntl to Belfast Intl?
Yes. Cheapflights offers flight deals from George Bush Intcntl to Belfast Intl 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 Intl Airport from £871

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 27/9. 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 Intl

Cheapest flights from George Bush Intcntl to Belfast IntlExplore the most affordable flight options available from George Bush Intcntl to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 August 2026.

Explore the most affordable flight options available from George Bush Intcntl to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 August 2026.

Best flights from George Bush Intcntl to Belfast IntlDiscover carefully curated flight deals from George Bush Intcntl to Belfast Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 August 2026.

Discover carefully curated flight deals from George Bush Intcntl to Belfast Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 August 2026.

Last-minute flights from George Bush Intcntl to Belfast IntlDiscover last-minute flight deals from George Bush Intcntl to Belfast Intl. Data last updated 21 August 2026 and is based on user searches.

Discover last-minute flight deals from George Bush Intcntl to Belfast Intl. Data last updated 21 August 2026 and is based on user searches.

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

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Related info for your journey

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

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

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

Travelling to a place near Belfast Intl Airport?

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George Bush Intcntl and Belfast Intl flights

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

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Cheapest flights from George Bush Intcntl to Belfast Intl
Explore the most affordable flight options available from George Bush Intcntl to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 August 2026.

Best flights from George Bush Intcntl to Belfast Intl
Discover carefully curated flight deals from George Bush Intcntl to Belfast Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 August 2026.

Last-minute flights from George Bush Intcntl to Belfast Intl
Discover last-minute flight deals from George Bush Intcntl to Belfast Intl. Data last updated 21 August 2026 and is based on user searches.