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$645+ 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 10/24. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — BHD
oct. 17 — oct. 241
vie. 10/17
vie. 10/24
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 septiembre 17, 2025.

Round-trip from

$645
(American Airlines)

Popular in

December

Cheapest in

January

Average price

$794
From Houston George Bush Intcntl to Belfast
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Highest demand for flights based on searches. 12% potential increase in price ($121 potential increase over avg. RT price).
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Cheapest flight prices on average. 9% potential price decrease ($74 potential savings vs. average RT price).
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Average for round-trip flights in September 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 septiembre 17, 2025.

This American Airlines deal was found by Cheapflights users on 9/15. 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.
vie. 10/246:23 pmIAH - BHD
2 stops17h 52mAmerican Airlines
vie. 10/318:45 amBHD - IAH
2 stops16h 25mAmerican Airlines
Deal found 9/15$645
This FlightHub deal was found by Cheapflights users on 9/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/241:18 pmIAH - BHD
2 stops22h 57mBritish Airways
vie. 10/316:45 amBHD - IAH
1 stop13h 20mBritish Airways
Deal found 9/15$649
This Delta deal was found by Cheapflights users on 9/15. 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.
vie. 10/243:30 pmIAH - BHD
1 stop19h 25mDelta
vie. 10/316:30 amBHD - IAH
1 stop13h 00mDelta
Deal found 9/15$732
This British Airways deal was found by Cheapflights users on 9/17. 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.
vie. 10/311:18 pmIAH - BHD
2 stops16h 12mBritish Airways
sáb. 11/86:35 amBHD - IAH
1 stop19h 25mBritish Airways
Deal found 9/17$752
This Finnair deal was found by Cheapflights users on 9/16. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/312:23 pmIAH - BHD
2 stops18h 52mMultiple Airlines
sáb. 11/811:35 amBHD - IAH
2 stops16h 53mMultiple Airlines
Deal found 9/16$760
This American Airlines deal was found by Cheapflights users on 9/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/217:23 pmIAH - BHD
2 stops17h 22mAmerican Airlines
mar. 9/239:35 amBHD - IAH
2 stops18h 57mAmerican Airlines
Deal found 9/17$761
This KLM deal was found by Cheapflights users on 9/17. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/213:30 pmIAH - BHD
1 stop23h 45mKLM
mar. 9/236:30 amBHD - IAH
2 stops21h 16mKLM
Deal found 9/17$779
This KLM deal was found by Cheapflights users on 9/16. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/314:30 pmIAH - BHD
1 stop19h 20mKLM
sáb. 11/86:30 amBHD - IAH
1 stop13h 00mKLM
Deal found 9/16$782
This Mytrip deal was found by Cheapflights users on 9/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/315:30 pmIAH - BFS
2 stops18h 15mMultiple Airlines
sáb. 11/88:50 amBFS - IAH
2 stops34h 20mMultiple Airlines
Deal found 9/16$1,558

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 septiembre 17, 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

vie. 10/24

6:23 pm-6:15 pm

2 stops17h 52m

Belfast City

vie. 10/31

8:45 am-8:10 pm

2 stops16h 25m

$645

HoustonBelfast

IAH - BHD

IAHBHD

Houston George Bush Intcntl

vie. 10/24

1:18 pm-6:15 pm

2 stops22h 57m

Belfast City

vie. 10/31

6:45 am-3:05 pm

1 stop13h 20m

$649

HoustonBelfast

IAH - BHD

IAHBHD

Houston George Bush Intcntl

mié. 2/25

3:50 pm-10:15 am

1 stop12h 25m

Belfast City

dom. 3/1

3:10 pm-2:05 pm

1 stop28h 55m

$699

HoustonBelfast

IAH - BHD

IAHBHD

Houston George Bush Intcntl

jue. 2/26

3:30 pm-4:50 pm

1 stop19h 20m

Belfast City

lun. 3/2

5:20 pm-1:30 pm

1 stop26h 10m

$742

HoustonBelfast

IAH - BHD

IAHBHD

Houston George Bush Intcntl

jue. 2/26

3:50 pm-10:20 am

1 stop12h 30m

Belfast City

lun. 3/2

9:15 am-2:05 pm

1 stop34h 50m

$749

HoustonBelfast

IAH - BHD

IAHBHD

Houston George Bush Intcntl

vie. 10/31

2:23 pm-2:15 pm

2 stops18h 52m

Belfast City

sáb. 11/8

11:35 am-10:28 pm

2 stops16h 53m

$760

HoustonBelfast

IAH - BFS

IAHBFS

Houston George Bush Intcntl

vie. 10/31

5:30 pm-4:45 pm

2 stops18h 15m

Belfast Intl

sáb. 11/8

8:50 am-1:10 pm

2 stops34h 20m

$1,558

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

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 septiembre 17, 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 septiembre 17, 2025.
Get a feel of what it's like to fly with 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.
British Airways
6.7
Okay
7,367 reviews

Entertainment

6.4

Food

6.3

Comfort

6.7

Overall

6.7

Boarding

6.9

Crew

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.
British Airways
6.7
Okay
7,367 reviews
British Airways
6.7
Okay
7,367 reviews

Entertainment

6.4

Food

6.3

Comfort

6.7

Overall

6.7

Boarding

6.9

Crew

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.

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?

    American Airlines and British Airways can get you from Houston George Bush Intcntl Airport to Belfast in just under 17h 52m. Your travel time can differ by up to 5h 05m. Houston George Bush Intcntl Airport and Belfast are separated by a distance of 4534 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What is the cheapest airline to fly 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 $676 on this airline.

  • 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 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 septiembre 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$676Average$801FlexibilityNo cancel feeOn-time70%

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