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$733+ 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 2/27. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — BHD
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
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 October 30, 2025.

Round-trip from

$719
(FlightHub)

Popular in

December

Cheapest in

January

Average price

$697
From Houston George Bush Intcntl to Belfast
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($108 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($72 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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Find flight deals from George Bush Intcntl to Belfast

Best flights from George Bush Intcntl to Belfast
Discover carefully curated flight deals from George Bush Intcntl to Belfast that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2025.

This Delta deal was found by Cheapflights users on 10/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/273:30 pmIAH - BHD
1 stop19h 20mDelta
Tue 3/35:20 pmBHD - IAH
1 stop26h 10mDelta
Deal found 10/29$733
This Virgin Atlantic deal was found by Cheapflights users on 10/28. 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.
Wed 2/253:30 pmIAH - BHD
1 stop19h 20mVirgin Atlantic
Sun 3/16:30 amBHD - IAH
1 stop13h 00mVirgin Atlantic
Deal found 10/28$733
This Delta deal was found by Cheapflights users on 10/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/263:30 pmIAH - BHD
1 stop23h 30mDelta
Mon 3/25:20 pmBHD - IAH
1 stop26h 10mDelta
Deal found 10/29$733
This Delta deal was found by Cheapflights users on 10/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/253:30 pmIAH - BHD
1 stop19h 20mDelta
Sun 3/16:30 amBHD - IAH
1 stop13h 00mDelta
Deal found 10/29$733

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 October 30, 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 2/27

3:30 pm-4:50 pm

1 stop19h 20m

Belfast City

Tue 3/3

5:20 pm-1:30 pm

1 stop26h 10m

$733

HoustonBelfast

IAH - BHD

IAHBHD

Houston George Bush Intcntl

Wed 2/25

3:30 pm-4:50 pm

1 stop19h 20m

Belfast City

Sun 3/1

6:30 am-1:30 pm

1 stop13h 00m

$733

HoustonBelfast

IAH - BHD

IAHBHD

Houston George Bush Intcntl

Thu 2/26

3:30 pm-9:00 pm

1 stop23h 30m

Belfast City

Mon 3/2

5:20 pm-1:30 pm

1 stop26h 10m

$733

HoustonBelfast

IAH - BHD

IAHBHD

Houston George Bush Intcntl

Wed 2/25

3:30 pm-4:50 pm

1 stop19h 20m

Belfast City

Sun 3/1

6:30 am-1:30 pm

1 stop13h 00m

$733

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

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 October 30, 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 in the morning tend to be the most expensive. A flight at noon could potentially save you up to 44% 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 October 30, 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
7,487 reviews

Comfort

6.7

Food

6.3

Entertainment

6.4

Boarding

6.9

Overall

6.7

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
7,487 reviews
British Airways
6.7
Okay
7,487 reviews

Comfort

6.7

Food

6.3

Entertainment

6.4

Boarding

6.9

Overall

6.7

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?

    Delta and Virgin Atlantic can get you from Houston George Bush Intcntl Airport to Belfast in just under 19h 20m. Your travel time can differ by up to . Houston George Bush Intcntl Airport and Belfast are separated by a distance of 4534 mi.

  • 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 $691 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.

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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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$691Average$849FlexibilityNo cancel feeOn-time70%

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