$357 Cheap Flights from Houston (HOU) to Belfast (BFS)

View $357 flight on Thu, Jul 31, 2025Opens in a new window

Popular airlines from Houston William Hobby Airport (HOU) to Belfast International Airport (BFS)

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Cheap Flights from Houston to Belfast (HOU-BFS)

Prices were available within the past 7 days and start at $357 for one-way flights and $577 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sun, Sep 21 - Sat, Sep 27
IAH
Houston
BHD
Belfast
$577 Roundtrip, found 2 days ago
$577
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sun, Sep 21 from Houston to Belfast, returning Sat, Sep 27, priced at $577 found 2 days ago
British Airways
Sun, Sep 21 - Sat, Sep 27
IAH
Houston
BHD
Belfast
$579 Roundtrip, found 2 days ago
$579
Roundtrip
found 2 days ago
Select British Airways flight, departing Sun, Sep 21 from Houston to Belfast, returning Sat, Sep 27, priced at $579 found 2 days ago
American Airlines
Sun, Sep 21 - Sat, Sep 27
IAH
Houston
BHD
Belfast
$581 Roundtrip, found 2 days ago
$581
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sun, Sep 21 from Houston to Belfast, returning Sat, Sep 27, priced at $581 found 2 days ago
American Airlines
Wed, Oct 1 - Wed, Oct 8
IAH
Houston
BHD
Belfast
$652 Roundtrip, just found
$652
Roundtrip
just found
Select American Airlines flight, departing Wed, Oct 1 from Houston to Belfast, returning Wed, Oct 8, priced at $652 just found
British Airways
Sun, Jan 18 - Tue, Jan 27
IAH
Houston
BHD
Belfast
$652 Roundtrip, found 2 days ago
$652
Roundtrip
found 2 days ago
Select British Airways flight, departing Sun, Jan 18 from Houston to Belfast, returning Tue, Jan 27, priced at $652 found 2 days ago
American Airlines
Wed, Aug 27 - Wed, Sep 3
IAH
Houston
BHD
Belfast
$653 Roundtrip, found 4 days ago
$653
Roundtrip
found 4 days ago
Select American Airlines flight, departing Wed, Aug 27 from Houston to Belfast, returning Wed, Sep 3, priced at $653 found 4 days ago
British Airways
Wed, Nov 19 - Tue, Nov 25
IAH
Houston
BHD
Belfast
$654 Roundtrip, found 4 days ago
$654
Roundtrip
found 4 days ago
Select British Airways flight, departing Wed, Nov 19 from Houston to Belfast, returning Tue, Nov 25, priced at $654 found 4 days ago
Delta
Sun, Sep 21 - Sat, Sep 27
IAH
Houston
BHD
Belfast
$655 Roundtrip, found 2 days ago
$655
Roundtrip
found 2 days ago
Select Delta flight, departing Sun, Sep 21 from Houston to Belfast, returning Sat, Sep 27, priced at $655 found 2 days ago
Virgin Atlantic
Sun, Sep 21 - Sat, Sep 27
IAH
Houston
BHD
Belfast
$655 Roundtrip, found 2 days ago
$655
Roundtrip
found 2 days ago
Select Virgin Atlantic flight, departing Sun, Sep 21 from Houston to Belfast, returning Sat, Sep 27, priced at $655 found 2 days ago
KLM
Sun, Sep 21 - Sat, Sep 27
IAH
Houston
BHD
Belfast
$707 Roundtrip, found 2 days ago
$707
Roundtrip
found 2 days ago
Select KLM flight, departing Sun, Sep 21 from Houston to Belfast, returning Sat, Sep 27, priced at $707 found 2 days ago
Flights from Houston (IAH) to Belfast (BHD)
Origin airport
George Bush Intercontinental
Destination airport
George Best Belfast City
Roundtrip price
$576
Distance
4536 mi

Houston to Belfast Flights

The cheapest times to fly from Houston to Belfast

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Houston to Belfast are during the month of September. You can find some of the cheapest flights from Houston to Belfast with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Houston to Belfast

Sunday is one of the best days to book for cheap flights from Houston to Belfast: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Houston to Belfast

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Houston to Belfast in 2025. You can also book with separate airlines for your outbound and return journeys, from $357 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Houston to Belfast flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Houston to Belfast airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from William P. Hobby Airport (HOU) to Belfast Intl. Airport (BFS) cost?
Discover the latest flight deals from HOU to BFS by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from HOU to BFS?
The cheapest flights from HOU to BFS are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from HOU to BFS?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from HOU to BFS. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from William P. Hobby Airport (HOU) to Belfast Intl. Airport (BFS)?
There are no daily nonstop flights departing from William P. Hobby Airport (HOU) to Belfast Intl. Airport (BFS). But you can book flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be on your way before you know it.
What day of the week has the most flights from HOU to BFS?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from William P. Hobby Airport (HOU) to Belfast Intl. Airport (BFS)?
To reach Belfast Intl. Airport (BFS) without delays, pick a flight that takes off from William P. Hobby Airport (HOU) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from William P. Hobby Airport (HOU) to Belfast Intl. Airport (BFS) last-minute?
Waiting until right before your break to book a flight from HOU to BFS generally means paying more. While you may come across some last-minute discounts, they're not always guaranteed. Allow some flexibility in your schedule to boost your chances of snagging a bargain.
Is it cheaper to book a HOU to BFS flight and hotel package?
You can save money by securing a HOU to BFS flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one place. Once you've chosen your ideal flights and accommodations, consider other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from William P. Hobby Airport (HOU) to Belfast Intl. Airport (BFS)?
Usually, it's possible to cancel or reschedule your HOU to BFS flight. However, for bookings made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.