$122+ 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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BFS
Oct 7 — Oct 141
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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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 September 7, 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 September 7, 2026.
This Mytrip deal was found by Cheapflights users on 9/5. 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 10/61:45 pm -
2 stops20h 10m
Mon 10/196:10 pm -
2 stops18h 35m
Deal found 9/5![Multiple Airlines logo]()
$264
This Kiwi.com deal was found by Cheapflights users on 9/4. 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.
Tue 9/293:50 pm -
2 stops6h 35m
Wed 10/79:35 am -
1 stop10h 30m
Deal found 9/4![Multiple Airlines logo]()
$304
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 10/1211:05 am -
2 stops12h 30m
Fri 10/239:05 am -
1 stop10h 25m
Deal found 9/6![Multiple Airlines logo]()
$366
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 10/23:50 pm -
2 stops7h 00m
Mon 10/129:10 am -
1 stop10h 55m
Deal found 9/4![Multiple Airlines logo]()
$374
This Booking.com deal was found by Cheapflights users on 9/4. 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 11/288:50 pm -
2 stops18h 15m
Mon 11/302:40 pm -
2 stops18h 30m
Deal found 9/4![Multiple Airlines logo]()
$460
This Mytrip deal was found by Cheapflights users on 9/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:50 am -
2 stops9h 30m
Fri 11/68:50 pm -
2 stops23h 00m
Deal found 9/4![Multiple Airlines logo]()
$560
This Booking.com deal was found by Cheapflights users on 9/5. 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.
Fri 12/48:15 pm -
2 stops28h 20m
Fri 12/118:40 am -
2 stops23h 25m
Deal found 9/5![Multiple Airlines logo]()
$642
This Kiwi.com deal was found by Cheapflights users on 9/4. 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.
Sat 9/58:50 pm -
1 stop15h 35m
Wed 9/99:35 am -
1 stop10h 30m
Deal found 9/4![Multiple Airlines logo]()
$718
This Kiwi.com deal was found by Cheapflights users on 9/6. 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.
Wed 10/217:40 am -
2 stops5h 45m
Wed 10/287:30 am -
1 stop8h 10m
Deal found 9/6![Multiple Airlines logo]()
$858
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 September 7, 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 September 7, 2026.
This Mytrip deal was found by Cheapflights users on 9/5. 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 10/61:45 pm -
2 stops20h 10m
Mon 10/196:10 pm -
2 stops18h 35m
Deal found 9/5![Multiple Airlines logo]()
$264
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 10/1211:05 am -
2 stops12h 30m
Fri 10/239:05 am -
1 stop10h 25m
Deal found 9/6![Multiple Airlines logo]()
$366
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 10/23:50 pm -
2 stops7h 00m
Mon 10/129:10 am -
1 stop10h 55m
Deal found 9/4![Multiple Airlines logo]()
$374
This Booking.com deal was found by Cheapflights users on 9/4. 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 11/288:50 pm -
2 stops18h 15m
Mon 11/302:40 pm -
2 stops18h 30m
Deal found 9/4![Multiple Airlines logo]()
$460
This Mytrip deal was found by Cheapflights users on 9/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:50 am -
2 stops9h 30m
Fri 11/68:50 pm -
2 stops23h 00m
Deal found 9/4![Multiple Airlines logo]()
$560
This Booking.com deal was found by Cheapflights users on 9/5. 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.
Fri 12/48:15 pm -
2 stops28h 20m
Fri 12/118:40 am -
2 stops23h 25m
Deal found 9/5![Multiple Airlines logo]()
$642
This Booking.com deal was found by Cheapflights users on 9/5. 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.
Sun 1/38:50 am -
2 stops13h 10m
Sun 1/105:15 pm -
2 stops14h 50m
Deal found 9/5![Multiple Airlines logo]()
$742
This Kiwi.com deal was found by Cheapflights users on 9/6. 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.
Wed 10/217:40 am -
2 stops5h 45m
Wed 10/287:30 am -
1 stop8h 10m
Deal found 9/6![Multiple Airlines logo]()
$858
Last-minute flights from Heathrow to Belfast IntlDiscover last-minute flight deals from Heathrow to Belfast Intl. Data last updated September 7, 2026 and is based on user searches.
Discover last-minute flight deals from Heathrow to Belfast Intl. Data last updated September 7, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/4. 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.
Sat 9/58:50 pm -
1 stop15h 35m
Wed 9/99:35 am -
1 stop10h 30m
Deal found 9/4![Multiple Airlines logo]()
$718
This Kiwi.com deal was found by Cheapflights users on 9/4. 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.
Tue 9/293:50 pm -
2 stops6h 35m
Wed 10/79:35 am -
1 stop10h 30m
Deal found 9/4![Multiple Airlines logo]()
$304
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 10/23:50 pm -
2 stops7h 00m
Mon 10/129:10 am -
1 stop10h 55m
Deal found 9/4![Multiple Airlines logo]()
$374
This Mytrip deal was found by Cheapflights users on 9/5. 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 10/61:45 pm -
2 stops20h 10m
Mon 10/196:10 pm -
2 stops18h 35m
Deal found 9/5![Multiple Airlines logo]()
$264
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 10/1211:05 am -
2 stops12h 30m
Fri 10/239:05 am -
1 stop10h 25m
Deal found 9/6![Multiple Airlines logo]()
$366
This Kiwi.com deal was found by Cheapflights users on 9/6. 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.
Wed 10/217:40 am -
2 stops5h 45m
Wed 10/287:30 am -
1 stop8h 10m
Deal found 9/6![Multiple Airlines logo]()
$858
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 September 7, 2026.
Search for one-way flight options from Heathrow to Belfast Intl. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/6. 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.
Wed 10/711:05 am -
2 stops8h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 10/211:05 am -
2 stops7h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 11/1210:55 am -
2 stops6h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 9/4. 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.
Sun 10/49:50 am -
2 stops10h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 9/2. 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.
Tue 9/152:40 pm -
2 stops18h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 10/1911:05 am -
2 stops11h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$134
This Booking.com deal was found by Cheapflights users on 9/4. 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 11/2810:55 am -
2 stops9h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 11/1510:55 am -
2 stops10h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Multiple Airlines logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 10/264:15 pm -
2 stops15h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 10/307:45 pm -
2 stops12h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$171
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 September 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $264 (Mytrip) |
One-way from | $122 (Kiwi.com) |
Popular in | September |
Cheapest in | November |
Average price | $255 |
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 September 7, 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
Wed 10/7
11:05 am-7:50 pm
2 stops8h 45m
Belfast Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$122
LondonBelfast
LHR London Heathrow - BFS Belfast Intl
LHRBFS
London Heathrow
Fri 10/2
11:05 am-6:55 pm
2 stops7h 50m
Belfast Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$126
Quickest round-trip
LondonBelfast
LHR London Heathrow - BFS Belfast Intl
LHRBFS
London Heathrow
Thu 11/12
10:55 am-5:30 pm
2 stops6h 35m
Belfast Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$129
LondonBelfast
LHR London Heathrow - BFS Belfast Intl
LHRBFS
London Heathrow
Sun 10/4
9:50 am-8:40 pm
2 stops10h 50m
Belfast Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$131
LondonBelfast
LHR London Heathrow - BFS Belfast Intl
LHRBFS
London Heathrow
Mon 10/19
11:05 am-10:30 pm
2 stops11h 25m
Belfast Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$134
LondonBelfast
LHR London Heathrow - BFS Belfast Intl
LHRBFS
London Heathrow
Wed 11/4
10:55 am-8:55 pm
2 stops10h 00m
Belfast Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$134
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
$138
LondonBelfast
LHR London Heathrow - BFS Belfast Intl
LHRBFS
London Heathrow
Mon 10/26
4:15 pm-8:00 am
2 stops15h 45m
Belfast Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$161
LondonBelfast
LHR London Heathrow - BFS Belfast Intl
LHRBFS
London Heathrow
Sun 11/15
10:00 am-8:10 pm
3 stops10h 10m
Belfast Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$171
LondonBelfast
LHR London Heathrow - BFS Belfast Intl
LHRBFS
London Heathrow
Fri 10/30
7:45 pm-7:55 am
2 stops12h 10m
Belfast Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$171
Showing 1-10 of 19 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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 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 $158). Flying from London Heathrow Airport to Belfast Intl Airport in September is currently the most expensive (average of $255). 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 typical for this route at the moment.
London Heathrow Airport to Belfast Intl Airport flights typically cost between $177 and $303 in October.The cheapest round-trip price found within the last 5 days was $264 on Multiple Airlines (Oct 6-Oct 19).
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 September 7, 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.
Boarding
7.0
Overall
6.7
Comfort
6.8
Crew
7.7
Entertainment
6.5
Food
6.4
Reviews
1 / 20
6.0
GoodDavid,Jan 2026
LHR - MAD
Boarding
7.0
Overall
6.7
Comfort
6.8
Crew
7.7
Entertainment
6.5
Food
6.4
Reviews
1 / 20
6.0
GoodDavid,Jan 2026
LHR - MAD
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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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 September 7, 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 September 7, 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 September 7, 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 September 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$129 | Average$238 | FlexibilityNo cancel fee | On-time70% |