$136+ Cheap flights from Heathrow (LHR) to Belfast Intl (BFS)
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 11/28. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BFS
Dec 5 — Dec 121
Round-trip
1 adult, Economy
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Find cheap flights from Heathrow to Belfast Intl with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Heathrow to Belfast Intl
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Best
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One-way
Cheapest flights from Heathrow to Belfast IntlExplore the most affordable flight options available from Heathrow to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 5, 2026.
Explore the most affordable flight options available from Heathrow to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
Fri 12/117:00 am -
1 stop5h 45m
Mon 12/142:35 pm -
2 stops6h 30m
Deal found 11/4![Multiple Airlines logo]()
$331
This Booking.com deal was found by Cheapflights users on 11/4. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/128:50 pm -
2 stops22h 40m
Tue 12/151:20 pm -
2 stops19h 50m
Deal found 11/4![Multiple Airlines logo]()
$368
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Thu 12/247:00 am -
1 stop8h 20m
Fri 1/17:25 am -
1 stop11h 15m
Deal found 11/2![Multiple Airlines logo]()
$431
This Booking.com deal was found by Cheapflights users on 11/3. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/76:30 pm -
2 stops20h 50m
Sat 11/147:00 am -
2 stops15h 40m
Deal found 11/3![Multiple Airlines logo]()
$433
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Sat 12/267:00 am -
1 stop10h 15m
Fri 1/17:25 am -
1 stop6h 15m
Deal found 11/2![Multiple Airlines logo]()
$594
This Mytrip deal was found by Cheapflights users on 11/3. 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 11/277:50 am -
2 stops10h 55m
Fri 11/279:00 pm -
2 stops22h 50m
Deal found 11/3![Multiple Airlines logo]()
$623
This Booking.com deal was found by Cheapflights users on 11/1. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/56:50 am -
2 stops7h 30m
Mon 12/711:50 am -
2 stops33h 15m
Deal found 11/1![Multiple Airlines logo]()
$715
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Thu 12/247:00 am -
1 stop8h 20m
Sat 1/22:05 pm -
1 stop7h 20m
Deal found 11/2![Multiple Airlines logo]()
$958
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Thu 12/247:00 am -
1 stop8h 20m
Sun 1/37:20 am -
1 stop11h 20m
Deal found 11/2![Multiple Airlines logo]()
$984
Best flights from Heathrow to Belfast IntlDiscover carefully curated flight deals from Heathrow to Belfast Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 5, 2026.
Discover carefully curated flight deals from Heathrow to Belfast Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 5, 2026.
This Mytrip deal was found by Cheapflights users on 11/3. 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.
Thu 3/47:00 am -
1 stop8h 20m
Thu 3/119:25 am -
2 stops10h 25m
Deal found 11/3![Multiple Airlines logo]()
$318
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
Fri 12/117:00 am -
1 stop5h 45m
Mon 12/142:35 pm -
2 stops6h 30m
Deal found 11/4![Multiple Airlines logo]()
$331
This Mytrip deal was found by Cheapflights users on 11/3. 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.
Wed 3/38:50 pm -
2 stops17h 35m
Wed 3/107:00 am -
2 stops26h 10m
Deal found 11/3![Multiple Airlines logo]()
$337
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Fri 2/57:00 am -
1 stop5h 45m
Thu 2/1110:05 am -
1 stop6h 35m
Deal found 11/2![Multiple Airlines logo]()
$385
This Mytrip deal was found by Cheapflights users on 11/3. 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.
Tue 2/27:50 am -
2 stops24h 00m
Tue 2/98:20 am -
2 stops12h 45m
Deal found 11/3![Multiple Airlines logo]()
$568
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Sat 12/267:00 am -
1 stop10h 15m
Fri 1/17:25 am -
1 stop6h 15m
Deal found 11/2![Multiple Airlines logo]()
$594
This Mytrip deal was found by Cheapflights users on 11/3. 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 11/277:50 am -
2 stops10h 55m
Fri 11/279:00 pm -
2 stops22h 50m
Deal found 11/3![Multiple Airlines logo]()
$623
This Booking.com deal was found by Cheapflights users on 11/1. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/56:50 am -
2 stops7h 30m
Mon 12/711:50 am -
2 stops33h 15m
Deal found 11/1![Multiple Airlines logo]()
$715
Last-minute flights from Heathrow to Belfast IntlDiscover last-minute flight deals from Heathrow to Belfast Intl. Data last updated November 5, 2026 and is based on user searches.
Discover last-minute flight deals from Heathrow to Belfast Intl. Data last updated November 5, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 11/3. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/76:30 pm -
2 stops20h 50m
Sat 11/147:00 am -
2 stops15h 40m
Deal found 11/3![Multiple Airlines logo]()
$433
This Mytrip deal was found by Cheapflights users on 11/3. 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 11/277:50 am -
2 stops10h 55m
Fri 11/279:00 pm -
2 stops22h 50m
Deal found 11/3![Multiple Airlines logo]()
$623
This Booking.com deal was found by Cheapflights users on 11/1. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/56:50 am -
2 stops7h 30m
Mon 12/711:50 am -
2 stops33h 15m
Deal found 11/1![Multiple Airlines logo]()
$715
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
Fri 12/117:00 am -
1 stop5h 45m
Mon 12/142:35 pm -
2 stops6h 30m
Deal found 11/4![Multiple Airlines logo]()
$331
This Booking.com deal was found by Cheapflights users on 11/4. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/128:50 pm -
2 stops22h 40m
Tue 12/151:20 pm -
2 stops19h 50m
Deal found 11/4![Multiple Airlines logo]()
$368
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Thu 12/247:00 am -
1 stop8h 20m
Fri 1/17:25 am -
1 stop11h 15m
Deal found 11/2![Multiple Airlines logo]()
$431
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Thu 12/247:00 am -
1 stop8h 20m
Sat 1/22:05 pm -
1 stop7h 20m
Deal found 11/2![Multiple Airlines logo]()
$958
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Thu 12/247:00 am -
1 stop8h 20m
Sun 1/37:20 am -
1 stop11h 20m
Deal found 11/2![Multiple Airlines logo]()
$984
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Sat 12/267:00 am -
1 stop10h 15m
Fri 1/17:25 am -
1 stop6h 15m
Deal found 11/2![Multiple Airlines logo]()
$594
One-way flights from Heathrow to Belfast IntlSearch for one-way flight options from Heathrow to Belfast Intl. Find affordable one-way fares based on user searches. Data last updated November 5, 2026.
Search for one-way flight options from Heathrow to Belfast Intl. Find affordable one-way fares based on user searches. Data last updated November 5, 2026.
This Mytrip deal was found by Cheapflights users on 11/2. 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.
Sat 11/2810:55 am -
2 stops9h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Multiple Airlines logo]()
$136
This Mytrip deal was found by Cheapflights users on 11/3. 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.
Wed 3/312:10 pm -
2 stops8h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Multiple Airlines logo]()
$158
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Fri 11/136:40 pm -
2 stops13h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Multiple Airlines logo]()
$162
This Booking.com deal was found by Cheapflights users on 11/4. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/68:50 pm -
2 stops17h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Multiple Airlines logo]()
$184
This Mytrip deal was found by Cheapflights users on 11/3. 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.
Thu 3/49:55 am -
2 stops10h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Multiple Airlines logo]()
$187
This Booking.com deal was found by Cheapflights users on 11/3. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/247:50 am -
2 stops6h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Multiple Airlines logo]()
$191
This Mytrip deal was found by Cheapflights users on 11/3. 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.
Tue 11/1712:10 pm -
2 stops7h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Multiple Airlines logo]()
$197
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Sun 12/133:15 pm -
1 stop16h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Multiple Airlines logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 12/214:15 pm -
2 stops15h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Multiple Airlines logo]()
$206
Find flight deals from Heathrow to Belfast Intl
Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Belfast Intl (BFS). 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 November 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $318 (Mytrip) |
One-way from | $136 (Mytrip) |
Popular in | September |
Cheapest in | November |
Average price | $170 |
Cheapflights Fare Finder
Customize your flight search to find flights from Heathrow to Belfast Intl 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 7,457,451 searches. Data last updated November 5, 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Belfast Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
LondonBelfast
LHR London Heathrow - BFS Belfast Intl
LHRBFS
London Heathrow
Sat 11/28
10:55 am-8:05 pm
2 stops9h 10m
Belfast Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$136
LondonBelfast
LHR London Heathrow - BFS Belfast Intl
LHRBFS
London Heathrow
Wed 1/6
8:50 pm-2:25 pm
2 stops17h 35m
Belfast Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$184
LondonBelfast
LHR London Heathrow - BFS Belfast Intl
LHRBFS
London Heathrow
Thu 3/4
7:00 am-3:20 pm
1 stop8h 20m
Belfast Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$194
LondonBelfast
LHR London Heathrow - BFS Belfast Intl
LHRBFS
London Heathrow
Sun 12/13
3:15 pm-8:10 am
1 stop16h 55m
Belfast Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$200
LondonBelfast
LHR London Heathrow - BFS Belfast Intl
LHRBFS
London Heathrow
Mon 12/21
4:15 pm-7:55 am
2 stops15h 40m
Belfast Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$206
Quickest round-trip
LondonBelfast
LHR London Heathrow - BFS Belfast Intl
LHRBFS
London Heathrow
Fri 4/2
11:05 am-5:55 pm
2 stops6h 50m
Belfast Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$255
LondonBelfast
LHR London Heathrow - BFS Belfast Intl
LHRBFS
London Heathrow
Thu 3/4
7:00 am-3:20 pm
1 stop8h 20m
Belfast Intl
Thu 3/11
9:25 am-7:50 pm
2 stops10h 25m
$318
LondonBelfast
LHR London Heathrow - BFS Belfast Intl
LHRBFS
London Heathrow
Fri 12/11
7:00 am-12:45 pm
1 stop5h 45m
Belfast Intl
Mon 12/14
2:35 pm-9:05 pm
2 stops6h 30m
$331
LondonBelfast
LHR London Heathrow - BFS Belfast Intl
LHRBFS
London Heathrow
Wed 3/3
8:50 pm-2:25 pm
2 stops17h 35m
Belfast Intl
Wed 3/10
7:00 am-9:10 am
2 stops26h 10m
$337
LondonBelfast
LHR London Heathrow - BFS Belfast Intl
LHRBFS
London Heathrow
Fri 2/5
7:00 am-12:45 pm
1 stop5h 45m
Belfast Intl
Thu 2/11
10:05 am-4:40 pm
1 stop6h 35m
$385
Showing 1-10 of 14 resultsSorted by cheapest first
Compare providers for flights from Heathrow to Belfast Intl
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Heathrow to Belfast Intl in November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on London Heathrow Airport-Belfast Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London Heathrow Airport-Belfast Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London Heathrow Airport-Belfast Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on London Heathrow Airport-Belfast Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London Heathrow Airport-Belfast Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Heathrow to Belfast Intl
Have a flexible travel schedule? Discover the best time to fly to Belfast Intl from Heathrow with our price prediction graph.
LHR-BFS
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 London Heathrow Airport to Belfast Intl Airport
How far ahead should I book a flight from London Heathrow Airport to Belfast Intl Airport?
The best time to book flights from London Heathrow Airport to Belfast Intl Airport is 81 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from London Heathrow Airport to Belfast Intl Airport?
Currently, November is the cheapest month in which you can book a flight from London Heathrow Airport to Belfast Intl Airport (average of $170). Flying from London Heathrow Airport to Belfast Intl Airport in September is currently the most expensive (average of $249). 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.
How much does it cost to fly round-trip from London Heathrow Airport to Belfast Intl Airport?
Airfare is above average for this route at the moment.
London Heathrow Airport to Belfast Intl Airport flights typically cost between $152 and $186 in March.The cheapest round-trip price found within the last 5 days was $318 on Multiple Airlines (Mar 4-Mar 11).
Reviews of airlines servicing Belfast Intl
Get insights into the airlines that provide service to Belfast Intl. 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 Intl. Reviews last updated November 5, 2026.
Read through reviews of airlines operating flights from London Heathrow Airport to Belfast Intl Airport, such as British Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
6.5
Overall
6.7
Food
6.4
Crew
7.7
Comfort
6.8
Boarding
7.0
Reviews
1 / 20
10.0
ExcellentJim,Sep 2026
LHR - FLR
Entertainment
6.5
Overall
6.7
Food
6.4
Crew
7.7
Comfort
6.8
Boarding
7.0
Reviews
1 / 20
10.0
ExcellentJim,Sep 2026
LHR - FLR
Related info for your journey
Find useful and relevant information for your journey from Heathrow to Belfast Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Belfast Intl flight routes
Complete your trip
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Popular flights
Other flights to Belfast Intl
Explore flights to Belfast Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on November 5, 2026.
Complete your trip
Complete your trip to Belfast Intl by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Heathrow to Belfast Intl by cabin class
Find flights from Heathrow to Belfast Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Heathrow and Belfast Intl flights
Browse other Heathrow and Belfast Intl flight options. Last updated on November 5, 2026.
Other flights from Heathrow
Browse through other flights departing from Heathrow. Flights are based on user searches made on Cheapflights and were last updated on November 5, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Heathrow to Belfast Intl
Discover the top airline that operate flights from Heathrow to Belfast Intl. 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 7,457,451 searches. Data last updated November 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$132 | Average$216 | FlexibilityNo cancel fee | On-time70% |