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Cheap flights from Houston George Bush Intcntl Airport to Belfast from £425

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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — BHD
3 May — 10 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from George Bush Intcntl to Belfast

Enter your travel dates to find the best prices.

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 April 2026.

Mon 21/921:05
IAH
-
BHD
1 stop14h 25m
British Airways
Mon 5/1019:35
BHD
-
IAH
1 stop23h 50m
British Airways
Deal found 1/4£669
Sun 18/1015:30
IAH
-
BHD
1 stop13h 00m
British Airways
Thu 22/1016:35
BHD
-
IAH
1 stop26h 50m
British Airways
Deal found 1/4£683
Mon 17/821:05
IAH
-
BHD
1 stop14h 25m
British Airways
Fri 21/809:35
BHD
-
IAH
1 stop15h 40m
British Airways
Deal found 31/3£684
Sun 26/406:05
IAH
-
BHD
3 stops33h 00m
Multiple Airlines
Sun 3/507:00
BHD
-
IAH
2 stops21h 46m
Multiple Airlines
Deal found 29/3£691
Fri 4/1221:50
IAH
-
BHD
1 stop15h 25m
British Airways
Tue 8/1219:25
BHD
-
IAH
1 stop24h 40m
British Airways
Deal found 29/3£723
Mon 11/521:05
IAH
-
BHD
1 stop15h 40m
British Airways
Wed 20/520:35
BHD
-
IAH
1 stop22h 45m
British Airways
Deal found 2/4£724
Thu 30/421:05
IAH
-
BFS
1 stop20h 20m
Multiple Airlines
Fri 8/506:15
BFS
-
IAH
1 stop19h 00m
Multiple Airlines
Deal found 30/3£980
Sun 3/515:25
IAH
-
BFS
1 stop16h 25m
Multiple Airlines
Tue 19/507:00
BFS
-
IAH
3 stops21h 40m
Multiple Airlines
Deal found 31/3£1,089

Find flight deals from George Bush Intcntl to Belfast

Discover tips and strategies to find the most affordable flight options for your journey from George Bush Intcntl (IAH) to Belfast (BF1). 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 3 April 2026.

Round-trip from

£669

One-way from

£425
British Airways
  • British Airways
  • 21/9-5/10
  • 2 total stops
  • 38h 15m total
  • Houston to Belfast
Search Deals
British Airways
  • British Airways
  • 11/5
  • 1 total stop
  • 12h 25m total
  • Houston to Belfast
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from George Bush Intcntl to Belfast 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 3 April 2026.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Belfast that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

HoustonBelfast

IAH - BHD

IAHBHD

Houston George Bush Intcntl

Mon 21/9

15:30-12:55

1 stop15h 25m

Belfast City

Mon 5/10

19:35-13:25

1 stop23h 50m

£671
Fastest return journey

HoustonBelfast

IAH - BHD

IAHBHD

Houston George Bush Intcntl

Mon 17/8

15:30-12:55

1 stop15h 25m

Belfast City

Fri 21/8

06:30-13:25

1 stop12h 55m

£683

HoustonBelfast

IAH - BHD

IAHBHD

Houston George Bush Intcntl

Sun 26/4

06:05-21:05

3 stops33h 00m

Belfast City

Sun 3/5

07:00-22:46

2 stops21h 46m

£691

HoustonBelfast

IAH - BHD

IAHBHD

Houston George Bush Intcntl

Mon 11/5

21:05-17:30

1 stop14h 25m

Belfast City

Wed 20/5

20:35-13:20

1 stop22h 45m

£725

HoustonBelfast

IAH - BHD

IAHBHD

Houston George Bush Intcntl

Fri 1/5

15:25-18:10

1 stop20h 45m

Belfast City

Fri 8/5

11:00-19:15

1 stop14h 15m

£757

HoustonBelfast

IAH - BFS

IAHBFS

Houston George Bush Intcntl

Thu 30/4

21:05-23:25

1 stop20h 20m

Belfast Intl

Fri 8/5

06:15-19:15

1 stop19h 00m

£980

HoustonBelfast

IAH - BFS

IAHBFS

Houston George Bush Intcntl

Sun 3/5

15:25-13:50

1 stop16h 25m

Belfast Intl

Tue 19/5

07:00-22:40

3 stops21h 40m

£1,089
Cheapest one-way
Fastest single journey

HoustonBelfast

IAH - BHD

IAHBHD

Houston George Bush Intcntl

Mon 11/5

21:05-15:30

1 stop12h 25m

£425

Flights are sorted by cheapest return flights first.

Deals found on 31/3

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

Related info for your journey

Find useful and relevant information for your journey from George Bush Intcntl to Belfast. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Airlines like British Airways fly from Houston George Bush Intcntl Airport to Belfast in about 15h 25m. The time it takes to get you to your destination can typically vary by up to . The distance between Houston George Bush Intcntl Airport and Belfast is about 4534 mi.

  • 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.

See more FAQs

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Alternative routes for George Bush Intcntl to Belfast

See prices for flight routes from nearby airports that may be better suited for you.
Hobby to Belfast City flights
George Bush Intcntl to Belfast Intl flights
George Bush Intcntl to Belfast City flights

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How does Cheapflights help users find flights from George Bush Intcntl to Belfast?

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Can Cheapflights find flights from George Bush Intcntl to Belfast with no change fees?

Yes! Cheapflights helps users easily find flights from George Bush Intcntl to Belfast with no change fees.

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

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