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$645+ Cheap flights from Houston 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.
HOU — BHD
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Houston to Belfast

Discover tips and strategies to find the most affordable flight options for your journey from Houston (HO1) 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 September 16, 2025.

Round-trip from

$645
(American Airlines)

Popular in

December

Cheapest in

January

Average price

$794
From Houston to Belfast
Search Deals
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 Houston to Belfast

Cheapest flights from Houston to Belfast
Explore the most affordable flight options available from Houston to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 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.
Fri 10/246:39 pmHOU - BHD
2 stops17h 36mAmerican Airlines
Fri 10/316:45 amBHD - HOU
2 stops17h 50mAmerican Airlines
Deal found 9/15$645
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.
Fri 10/246:23 pmIAH - BHD
2 stops17h 52mAmerican Airlines
Fri 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.
Fri 10/241:18 pmIAH - BHD
2 stops22h 57mBritish Airways
Fri 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.
Fri 10/243:30 pmIAH - BHD
1 stop19h 25mDelta
Fri 10/316:30 amBHD - IAH
1 stop13h 00mDelta
Deal found 9/15$732
This Virgin Atlantic deal was found by Cheapflights users on 9/13. 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 10/33:30 pmIAH - BHD
1 stop23h 45mVirgin Atlantic
Tue 10/76:30 amBHD - IAH
1 stop12h 45mVirgin Atlantic
Deal found 9/13$753
This Virgin Atlantic deal was found by Cheapflights users on 9/13. 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 10/36:37 pmHOU - BHD
2 stops20h 38mVirgin Atlantic
Tue 10/76:30 amBHD - HOU
2 stops17h 18mVirgin Atlantic
Deal found 9/13$767
This American Airlines deal was found by Cheapflights users on 9/13. 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.
Fri 10/34:57 pmIAH - BHD
2 stops19h 18mAmerican Airlines
Tue 10/74:25 pmBHD - IAH
2 stops30h 48mAmerican Airlines
Deal found 9/13$845
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/247:21 amIAH - BHD
3 stops31h 29mMultiple Airlines
Fri 10/317:20 amBHD - IAH
2 stops30h 13mMultiple Airlines
Deal found 9/15$878
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.
Sat 12/134:45 pmIAH - BHD
2 stops15h 30mAmerican Airlines
Sat 12/276:35 amBHD - IAH
1 stop13h 30mAmerican Airlines
Deal found 9/15$914
This Finnair 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/133:50 pmIAH - BHD
1 stop16h 25mFinnair
Sat 12/2711:35 amBHD - IAH
1 stop14h 25mFinnair
Deal found 9/15$1,022
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.
Fri 10/315:30 pmIAH - BFS
2 stops18h 15mMultiple Airlines
Sat 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 Houston 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 September 16, 2025.
Use the filters below to find and compare flights from Houston to Belfast that are best for you.

Fly from

Houston

Fly to

Belfast

Route

Depart

Return

Price

HoustonBelfast

HOU - BHD

HOUBHD

Houston Hobby

Fri 10/24

6:39 pm-6:15 pm

2 stops17h 36m

Belfast City

Fri 10/31

6:45 am-7:35 pm

2 stops17h 50m

$645

HoustonBelfast

IAH - BHD

IAHBHD

Houston George Bush Intcntl

Fri 10/24

6:23 pm-6:15 pm

2 stops17h 52m

Belfast City

Fri 10/31

8:45 am-8:10 pm

2 stops16h 25m

$645

HoustonBelfast

IAH - BHD

IAHBHD

Houston George Bush Intcntl

Fri 10/24

1:18 pm-6:15 pm

2 stops22h 57m

Belfast City

Fri 10/31

6:45 am-3:05 pm

1 stop13h 20m

$649

HoustonBelfast

IAH - BHD

IAHBHD

Houston George Bush Intcntl

Wed 2/25

3:50 pm-10:15 am

1 stop12h 25m

Belfast City

Sun 3/1

5:35 pm-8:00 pm

1 stop32h 25m

$699

HoustonBelfast

IAH - BHD

IAHBHD

Houston George Bush Intcntl

Thu 2/26

3:50 pm-10:20 am

1 stop12h 30m

Belfast City

Mon 3/2

9:15 am-2:05 pm

1 stop34h 50m

$749

HoustonBelfast

IAH - BHD

IAHBHD

Houston George Bush Intcntl

Fri 10/3

3:30 pm-9:15 pm

1 stop23h 45m

Belfast City

Tue 10/7

6:30 am-1:15 pm

1 stop12h 45m

$753

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

6:30 am-1:30 pm

1 stop13h 00m

$763

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

6:30 am-1:30 pm

1 stop13h 00m

$763

HoustonBelfast

HOU - BHD

HOUBHD

Houston Hobby

Fri 10/3

6:37 pm-9:15 pm

2 stops20h 38m

Belfast City

Tue 10/7

6:30 am-5:48 pm

2 stops17h 18m

$767

HoustonBelfast

HOU - BHD

HOUBHD

Houston Hobby

Fri 2/27

5:35 pm-4:50 pm

2 stops17h 15m

Belfast City

Tue 3/3

6:30 am-4:32 pm

2 stops16h 02m

$777

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 13 results
1
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Best time to book a flight from Houston to Belfast

Have a flexible travel schedule? Discover the best time to fly to Belfast from Houston 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 to Belfast

What is the cheapest month to book a flight from Houston to Belfast?

Currently, February is the cheapest month in which you can book a flight from Houston to Belfast (average of $657). Flying from Houston 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.

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

Find hourly flight availability from Houston 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 September 16, 2025.

One of the essential ways to save on airfare from Houston 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 20% 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 September 16, 2025.
Read reviews from past customers who have flown British Airways from Houston to Belfast. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,363 reviews

Boarding

6.9

Crew

7.6

Entertainment

6.4

Overall

6.7

Food

6.3

Comfort

6.7

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
7,363 reviews
British Airways
6.7
Okay
7,363 reviews

Boarding

6.9

Crew

7.6

Entertainment

6.4

Overall

6.7

Food

6.3

Comfort

6.7

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 Houston 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 to Belfast?

    A quick flight from Houston to Belfast can take about 17h 36m. American Airlines provides one of the quickest options available for as low as $645. Houston and Belfast are separated by a distance of 4549 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from Houston to Belfast round-trip?

    British Airways, at $632, was found to be the cheapest airline from Houston to Belfast.. You may be able to fly from Houston to Belfast for 26% less than the average price by searching for this airline.

  • What are the most popular routes from Houston to Belfast?

    The most popular route from Houston to Belfast is Houston Hobby - Belfast City. You may also consider Houston Hobby - Belfast Intl or Houston George Bush Intcntl - Belfast City.

  • Can I find deals for flights from Houston to Belfast that include hotel bookings?

    Yes. In addition to deals on Houston to Belfast flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Houston to Belfast?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Houston to Belfast.

  • Can I find deals for business class flights from Houston to Belfast?

    Yes. Cheapflights offers flight deals from Houston 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 to Belfast?

    Currently, February is the cheapest month in which you can book a flight from Houston to Belfast (average of $657). Flying from Houston 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

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Houston to Belfast

Discover the top airline that operate flights from Houston 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$632Average$816FlexibilityNo cancel feeOn-time70%

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