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$353+ Cheap flights from George Bush Intcntl (IAH) to Belfast

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 7/21. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — BHD
Jul 6 — Jul 131
Sun 7/6
Sun 7/13
1 adult, Economy
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Cheap 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 July 1, 2025.

Round-trip from

$642
(SmartFares)

One-way from

$353
(Justfly.com)

Popular in

December

Cheapest in

January

Average price

$973
From Houston George Bush Intcntl to Belfast
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One-way flight from Houston George Bush Intcntl to Belfast
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Highest demand for flights based on searches. 10% potential increase in price ($106 potential increase over avg. RT price).
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Cheapest flight prices on average. 10% potential price decrease ($80 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from George Bush Intcntl to Belfast

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 July 1, 2025.

This SmartFares deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/39:40 pmIAH - BHD
1 stop15h 05mBritish Airways
Mon 8/186:30 pmBHD - IAH
1 stop25h 10mBritish Airways
Deal found 6/30$642
This Travelocity deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/139:00 pmIAH - BHD
1 stop14h 30mIberia
Mon 10/209:50 amBHD - IAH
1 stop33h 55mIberia
Deal found 6/30$652
This American Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/32:26 pmIAH - BHD
2 stops15h 04mAmerican Airlines
Mon 8/183:25 pmBHD - IAH
1 stop28h 15mAmerican Airlines
Deal found 6/30$653
This Finnair deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/143:30 pmIAH - BHD
1 stop13h 05mFinnair
Mon 10/207:30 pmBHD - IAH
2 stops29h 05mFinnair
Deal found 6/30$662
This Delta deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1812:51 pmIAH - BHD
2 stops22h 04mDelta
Thu 9/46:40 amBHD - IAH
1 stop12h 35mDelta
Deal found 6/30$730
This Bravofly deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/37:59 pmIAH - BHD
2 stops38h 56mMultiple Airlines
Mon 8/185:25 pmBHD - IAH
2 stops36h 31mMultiple Airlines
Deal found 6/30$733
This KLM deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/195:41 pmIAH - BHD
2 stops17h 14mKLM
Thu 9/46:40 amBHD - IAH
2 stops16h 08mKLM
Deal found 6/30$736
This Virgin Atlantic deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/35:45 pmIAH - BHD
2 stops17h 10mVirgin Atlantic
Tue 10/76:30 amBHD - IAH
1 stop12h 45mVirgin Atlantic
Deal found 6/29$783
This Kiwi.com deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/149:00 pmIAH - BFS
1 stop18h 30mMultiple Airlines
Mon 10/209:55 pmBFS - IAH
2 stops45h 45mMultiple Airlines
Deal found 6/30$858

Cheapflights Fare Finder

Customize 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 2,558,603 searches. Data last updated July 1, 2025.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Belfast that are best for you.

Fly from

George Bush Intcntl

Fly to

Belfast

Route

Depart

Return

Price

HoustonBelfast

IAH - BHD

IAHBHD

Houston George Bush Intcntl

Sun 8/3

9:40 pm-6:45 pm

1 stop15h 05m

Belfast City

Mon 8/18

6:30 pm-1:40 pm

1 stop25h 10m

$642

HoustonBelfast

IAH - BHD

IAHBHD

Houston George Bush Intcntl

Mon 10/13

9:00 pm-5:30 pm

1 stop14h 30m

Belfast City

Mon 10/20

9:50 am-1:45 pm

1 stop33h 55m

$652

HoustonBelfast

IAH - BHD

IAHBHD

Houston George Bush Intcntl

Sun 8/3

2:26 pm-11:30 am

2 stops15h 04m

Belfast City

Mon 8/18

3:25 pm-1:40 pm

1 stop28h 15m

$653

HoustonBelfast

IAH - BHD

IAHBHD

Houston George Bush Intcntl

Tue 10/14

3:30 pm-10:35 am

1 stop13h 05m

Belfast City

Mon 10/20

7:30 pm-6:35 pm

2 stops29h 05m

$662

HoustonBelfast

IAH - BHD

IAHBHD

Houston George Bush Intcntl

Mon 8/18

12:51 pm-4:55 pm

2 stops22h 04m

Belfast City

Thu 9/4

6:40 am-1:15 pm

1 stop12h 35m

$730

HoustonBelfast

IAH - BHD

IAHBHD

Houston George Bush Intcntl

Sun 8/3

7:59 pm-4:55 pm

2 stops38h 56m

Belfast City

Mon 8/18

5:25 pm-11:56 pm

2 stops36h 31m

$733

HoustonBelfast

IAH - BHD

IAHBHD

Houston George Bush Intcntl

Tue 8/19

5:41 pm-4:55 pm

2 stops17h 14m

Belfast City

Thu 9/4

6:40 am-4:48 pm

2 stops16h 08m

$736

HoustonBelfast

IAH - BHD

IAHBHD

Houston George Bush Intcntl

Fri 10/3

5:45 pm-4:55 pm

2 stops17h 10m

Belfast City

Tue 10/7

6:30 am-10:04 pm

2 stops21h 34m

$793

HoustonBelfast

IAH - BFS

IAHBFS

Houston George Bush Intcntl

Tue 10/14

9:00 pm-9:30 pm

1 stop18h 30m

Belfast Intl

Mon 10/20

9:55 pm-1:40 pm

2 stops45h 45m

$858

HoustonBelfast

IAH - BHD

IAHBHD

Houston George Bush Intcntl

Mon 7/21

3:30 pm-9:20 am

1 stop11h 50m

$353

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

Showing 1-10 of 11 results
1
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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 round-trip 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

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

Find hourly flight availability from George Bush Intcntl to Belfast. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 1, 2025.

One of the essential ways to save on airfare from Houston George Bush Intcntl Airport to Belfast is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 14% on airfare.

Reviews of airlines servicing Belfast

Get insights into the airlines that provide service to Belfast. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Belfast. Reviews last updated July 1, 2025.
Get a feel of what it's like to fly with Delta, KLM, and Finnair from Houston George Bush Intcntl Airport to Belfast by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,973 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,973 reviews
Delta
8.0
Very good
7,973 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,366 reviews
Delta
8.0
Very good
7,973 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,301 reviews
Delta
8.0
Very good
7,973 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Virgin Atlantic
7.4
Good
654 reviews
Delta
8.0
Very good
7,973 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,973 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • What are the cheapest airlines flying from Houston George Bush Intcntl Airport to Belfast round-trip?

    Our cheapest airline available from Houston George Bush Intcntl Airport to Belfast is British Airways. Our recent data shows that you can find tickets from as low as $642 on this airline. Additional options worth looking into are Iberia and American Airlines, starting at $652 and $653 round-trip.

  • 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 vacation 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.

  • What is the cheapest month to book a flight from Houston George Bush Intcntl Airport to Belfast?

    Currently, February is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Belfast (average of $657). Flying from Houston George Bush Intcntl Airport to Belfast in June is currently the most expensive (average of $1,189). 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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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
Hobby to Belfast Intl flights
George Bush Intcntl to Belfast Intl flights
George Bush Intcntl to Belfast City flights

Top airline flying from George Bush Intcntl to Belfast

Discover the top airline that operate flights from George Bush Intcntl to Belfast. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$676Average$801FlexibilityNo cancel feeOn-time70%

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