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$806+ Cheap flights from George Bush Intcntl (IAH) to Belfast

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — BHD
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
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 August 18, 2025.

Round-trip from

$821
(Delta)

Popular in

December

Cheapest in

January
From Houston George Bush Intcntl to Belfast
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($121 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($74 potential savings vs. average RT price).
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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 August 18, 2025.

This Gotogate deal was found by Cheapflights users on 8/18. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/183:30 pmIAH - BHD
1 stop19h 25mVirgin Atlantic
Fri 8/225:25 pmBHD - IAH
1 stop25h 50mVirgin Atlantic
Deal found 8/18$806
This Delta deal was found by Cheapflights users on 8/17. 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.
Fri 10/33:30 pmIAH - BHD
1 stop19h 25mDelta
Tue 10/76:30 amBHD - IAH
1 stop12h 45mDelta
Deal found 8/17$821
This KLM deal was found by Cheapflights users on 8/18. 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.
Mon 8/183:58 pmIAH - BHD
2 stops18h 57mKLM
Fri 8/226:30 amBHD - IAH
1 stop12h 45mKLM
Deal found 8/18$828
This Virgin Atlantic deal was found by Cheapflights users on 8/16. 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 10/35:32 pmIAH - BHD
2 stops21h 43mVirgin Atlantic
Tue 10/75:25 pmBHD - IAH
2 stops35h 31mVirgin Atlantic
Deal found 8/16$905
This British Airways deal was found by Cheapflights users on 8/17. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/33:30 pmIAH - BHD
2 stops15h 20mBritish Airways
Tue 10/76:35 amBHD - IAH
2 stops18h 01mBritish Airways
Deal found 8/17$935
This Kiwi.com deal was found by Cheapflights users on 8/18. 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.
Mon 8/183:30 pmIAH - BFS
1 stop16h 50mMultiple Airlines
Fri 8/227:00 amBFS - IAH
2 stops36h 24mMultiple Airlines
Deal found 8/18$1,434

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 August 18, 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

Fri 10/3

3:30 pm-4:55 pm

1 stop19h 25m

Belfast City

Tue 10/7

5:25 pm-1:15 pm

1 stop25h 50m

$821

HoustonBelfast

IAH - BHD

IAHBHD

Houston George Bush Intcntl

Fri 10/3

5:32 pm-9:15 pm

2 stops21h 43m

Belfast City

Tue 10/7

5:25 pm-10:56 pm

2 stops35h 31m

$905

HoustonBelfast

IAH - BHD

IAHBHD

Houston George Bush Intcntl

Fri 10/3

3:30 pm-12:50 pm

2 stops15h 20m

Belfast City

Tue 10/7

9:35 am-9:51 pm

2 stops18h 16m

$935

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/15

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 August 18, 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 August 18, 2025.
Get a feel of what it's like to fly with American Airlines and British Airways 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.
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Entertainment

6.9

Overall

7.2

Boarding

7.5

Crew

8.0

Food

6.5

Reviews

1 / 20
6.0
Good

sheila,Mar 2025

DFW - MSP

We were delayed for 3 hours with no real reason or offer for compensation
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Entertainment

6.9

Overall

7.2

Boarding

7.5

Crew

8.0

Food

6.5

Reviews

1 / 20
6.0
Good

sheila,Mar 2025

DFW - MSP

We were delayed for 3 hours with no real reason or offer for compensation
British Airways
6.7
Okay
7,277 reviews
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Entertainment

6.9

Overall

7.2

Boarding

7.5

Crew

8.0

Food

6.5

Reviews

1 / 20
6.0
Good

sheila,Mar 2025

DFW - MSP

We were delayed for 3 hours with no real reason or offer for compensation

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?

    Delta can get you from Houston George Bush Intcntl Airport to Belfast in just under 19h 25m. Your travel time can differ by up to . Houston George Bush Intcntl Airport and Belfast are separated by a distance of 4534 mi.

  • 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 American Airlines. Our recent data shows that you can find tickets from as low as $650 on this airline. An additional option worth looking into is British Airways, starting at $676.

  • 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 2 airlines flying from George Bush Intcntl to Belfast

Discover the top 2 airlines 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 August 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$650Average$998FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$676Average$789FlexibilityNo cancel feeOn-time70%

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