$113+ Cheap flights from Belfast Intl (BFS) to Heathrow (LHR)
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 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — LHR
Nov 24 — Dec 11
Round-trip
1 adult, Economy
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Find cheap flights from Belfast Intl to Heathrow 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 Belfast Intl to Heathrow
Cheapest
Best
Last-minute
One-way
Cheapest flights from Belfast Intl to HeathrowExplore the most affordable flight options available from Belfast Intl to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 25, 2026.
Explore the most affordable flight options available from Belfast Intl to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 25, 2026.
This Mytrip deal was found by Cheapflights users on 10/21. 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.
Sun 12/68:00 pm -
2 stops16h 40m
Mon 12/141:40 pm -
2 stops24h 55m
Deal found 10/21![Multiple Airlines logo]()
$410
This Booking.com deal was found by Cheapflights users on 10/24. 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 12/97:00 am -
2 stops13h 05m
Wed 12/168:50 pm -
2 stops17h 35m
Deal found 10/24![Multiple Airlines logo]()
$449
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 12/187:00 am -
1 stop8h 40m
Sat 12/2612:10 pm -
2 stops7h 30m
Deal found 10/25![Multiple Airlines logo]()
$467
This Mytrip deal was found by Cheapflights users on 10/22. 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 12/151:20 pm -
2 stops19h 50m
Tue 12/228:05 am -
2 stops15h 00m
Deal found 10/22![Multiple Airlines logo]()
$490
This Kiwi.com deal was found by Cheapflights users on 10/22. 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 12/66:30 am -
2 stops7h 55m
Sun 12/135:25 pm -
1 stop5h 05m
Deal found 10/22![Multiple Airlines logo]()
$524
This Mytrip deal was found by Cheapflights users on 10/23. 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 11/38:35 am -
2 stops8h 15m
Tue 11/37:45 pm -
2 stops14h 35m
Deal found 10/23![Multiple Airlines logo]()
$590
This Booking.com deal was found by Cheapflights users on 10/20. 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.
Thu 12/177:35 am -
2 stops12h 30m
Sat 12/196:45 pm -
2 stops28h 30m
Deal found 10/20![Multiple Airlines logo]()
$591
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 11/277:00 am -
1 stop8h 40m
Mon 11/3011:10 am -
2 stops10h 25m
Deal found 10/21![Multiple Airlines logo]()
$690
This Booking.com deal was found by Cheapflights users on 10/21. 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 10/247:30 am -
2 stops12h 35m
Sun 10/258:50 pm -
2 stops20h 30m
Deal found 10/21![Multiple Airlines logo]()
$1,009
Best flights from Belfast Intl to HeathrowDiscover carefully curated flight deals from Belfast Intl to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
Discover carefully curated flight deals from Belfast Intl to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
This Mytrip deal was found by Cheapflights users on 10/21. 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.
Sun 12/68:00 pm -
2 stops16h 40m
Mon 12/141:40 pm -
2 stops24h 55m
Deal found 10/21![Multiple Airlines logo]()
$410
This Booking.com deal was found by Cheapflights users on 10/24. 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 12/97:00 am -
2 stops13h 05m
Wed 12/168:50 pm -
2 stops17h 35m
Deal found 10/24![Multiple Airlines logo]()
$449
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 12/187:00 am -
1 stop8h 40m
Sat 12/2612:10 pm -
2 stops7h 30m
Deal found 10/25![Multiple Airlines logo]()
$467
This Mytrip deal was found by Cheapflights users on 10/22. 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 12/151:20 pm -
2 stops19h 50m
Tue 12/228:05 am -
2 stops15h 00m
Deal found 10/22![Multiple Airlines logo]()
$490
This Kiwi.com deal was found by Cheapflights users on 10/22. 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 12/66:30 am -
2 stops7h 55m
Sun 12/135:25 pm -
1 stop5h 05m
Deal found 10/22![Multiple Airlines logo]()
$524
This Booking.com deal was found by Cheapflights users on 10/20. 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.
Thu 12/177:35 am -
2 stops12h 30m
Sat 12/196:45 pm -
2 stops28h 30m
Deal found 10/20![Multiple Airlines logo]()
$591
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 11/277:00 am -
1 stop8h 40m
Mon 11/3011:10 am -
2 stops10h 25m
Deal found 10/21![Multiple Airlines logo]()
$690
Last-minute flights from Belfast Intl to HeathrowDiscover last-minute flight deals from Belfast Intl to Heathrow. Data last updated October 25, 2026 and is based on user searches.
Discover last-minute flight deals from Belfast Intl to Heathrow. Data last updated October 25, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 10/21. 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 10/247:30 am -
2 stops12h 35m
Sun 10/258:50 pm -
2 stops20h 30m
Deal found 10/21![Multiple Airlines logo]()
$1,009
This Mytrip deal was found by Cheapflights users on 10/23. 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 11/38:35 am -
2 stops8h 15m
Tue 11/37:45 pm -
2 stops14h 35m
Deal found 10/23![Multiple Airlines logo]()
$590
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 11/277:00 am -
1 stop8h 40m
Mon 11/3011:10 am -
2 stops10h 25m
Deal found 10/21![Multiple Airlines logo]()
$690
One-way flights from Belfast Intl to HeathrowSearch for one-way flight options from Belfast Intl to Heathrow. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
Search for one-way flight options from Belfast Intl to Heathrow. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 11/178:25 am -
2 stops11h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$113
This Kiwi.com deal was found by Cheapflights users on 10/22. 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 11/167:20 am -
2 stops12h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$114
This Mytrip deal was found by Cheapflights users on 10/20. 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 11/188:35 am -
2 stops8h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 11/108:35 am -
2 stops12h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 10/22. 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 1/58:25 am -
2 stops11h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 10/22. 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 11/158:50 am -
2 stops13h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$147
This Booking.com deal was found by Cheapflights users on 10/21. 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 11/211:00 pm -
2 stops6h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$148
This Booking.com deal was found by Cheapflights users on 10/21. 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.
Thu 2/189:25 am -
2 stops8h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 1/49:15 am -
2 stops10h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$166
This Booking.com deal was found by Cheapflights users on 10/21. 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 12/207:50 am -
2 stops10h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$170
This Mytrip deal was found by Cheapflights users on 10/21. 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 11/48:35 am -
2 stops7h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$172
Find flight deals from Belfast Intl to Heathrow
Discover tips and strategies to find the most affordable flight options for your journey from Belfast Intl (BFS) to Heathrow (LHR). 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 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $393 (Kiwi.com) |
One-way from | $113 (Kiwi.com) |
Popular in | March |
Cheapest in | December |
Average price | $169 |
Cheapflights Fare Finder
Customize your flight search to find flights from Belfast Intl to Heathrow 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 October 25, 2026.
Use the filters below to find and compare flights from Belfast Intl Airport to London Heathrow Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BelfastLondon
BFS Belfast Intl - LHR London Heathrow
BFSLHR
Belfast Intl
Tue 11/17
8:25 am-7:50 pm
2 stops11h 25m
London Heathrow
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$113
BelfastLondon
BFS Belfast Intl - LHR London Heathrow
BFSLHR
Belfast Intl
Thu 11/19
9:25 am-9:05 pm
2 stops11h 40m
London Heathrow
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$114
BelfastLondon
BFS Belfast Intl - LHR London Heathrow
BFSLHR
Belfast Intl
Mon 11/16
7:20 am-7:50 pm
2 stops12h 30m
London Heathrow
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$114
BelfastLondon
BFS Belfast Intl - LHR London Heathrow
BFSLHR
Belfast Intl
Tue 1/5
8:25 am-7:50 pm
2 stops11h 25m
London Heathrow
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$140
BelfastLondon
BFS Belfast Intl - LHR London Heathrow
BFSLHR
Belfast Intl
Sun 11/15
8:50 am-10:40 pm
2 stops13h 50m
London Heathrow
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$147
BelfastLondon
BFS Belfast Intl - LHR London Heathrow
BFSLHR
Belfast Intl
Thu 2/18
9:25 am-6:00 pm
2 stops8h 35m
London Heathrow
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$162
BelfastLondon
BFS Belfast Intl - LHR London Heathrow
BFSLHR
Belfast Intl
Mon 1/4
9:15 am-7:50 pm
2 stops10h 35m
London Heathrow
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$166
BelfastLondon
BFS Belfast Intl - LHR London Heathrow
BFSLHR
Belfast Intl
Sun 12/20
7:50 am-5:50 pm
2 stops10h 00m
London Heathrow
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$170
Quickest round-trip
BelfastLondon
BFS Belfast Intl - LHR London Heathrow
BFSLHR
Belfast Intl
Wed 11/4
8:35 am-3:35 pm
2 stops7h 00m
London Heathrow
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$172
BelfastLondon
BFS Belfast Intl - LHR London Heathrow
BFSLHR
Belfast Intl
Sat 11/7
9:30 am-5:50 pm
2 stops8h 20m
London Heathrow
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$182
Showing 1-10 of 18 resultsSorted by cheapest first
Compare providers for flights from Belfast Intl to Heathrow
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 Belfast Intl to Heathrow in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Belfast Intl Airport-London Heathrow Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Belfast Intl Airport-London Heathrow Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Belfast Intl Airport-London Heathrow Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Belfast Intl Airport-London Heathrow 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 Belfast Intl Airport-London Heathrow 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 Belfast Intl to Heathrow
Have a flexible travel schedule? Discover the best time to fly to Heathrow from Belfast Intl with our price prediction graph.
BFS-LHR
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 Belfast Intl Airport to London Heathrow Airport
How far ahead should I book a flight from Belfast Intl Airport to London Heathrow Airport?
Booking 54 days in advance of your planned departure date is, on average, the best time to get cheap flights from Belfast Intl Airport to London Heathrow Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Belfast Intl Airport to London Heathrow Airport?
Currently, December is the cheapest month in which you can book a flight from Belfast Intl Airport to London Heathrow Airport (average of $165). Flying from Belfast Intl Airport to London Heathrow Airport in March is currently the most expensive (average of $232). 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 Belfast Intl Airport to London Heathrow Airport?
Airfare is above average for this route at the moment.
Belfast Intl Airport to London Heathrow Airport flights typically cost between $149 and $206 in December.The cheapest round-trip price found within the last 5 days was $410 on Multiple Airlines (Dec 6-Dec 14).
Reviews of airlines servicing Heathrow
Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated October 25, 2026.
Read through reviews of airlines operating flights from Belfast Intl Airport to London Heathrow 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
Comfort
6.8
Entertainment
6.5
Overall
6.7
Food
6.4
Crew
7.7
Reviews
1 / 20
4.0
OkayAnonymous,Oct 2026
MRS - LHR
Boarding
7.0
Comfort
6.8
Entertainment
6.5
Overall
6.7
Food
6.4
Crew
7.7
Reviews
1 / 20
4.0
OkayAnonymous,Oct 2026
MRS - LHR
Related info for your journey
Find useful and relevant information for your journey from Belfast Intl to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near London Heathrow Airport?
Book flights to London Heathrow Airport if you plan to visit one of these locationsIlford
Dorking
Gatwick
Hounslow
Wembley
Harrow
Southend-on-Sea
Basingstoke
Watford
Northampton
Dartford
Winchester
Croydon
Kingston upon Thames
Chipping Norton
Slough
Eastbourne
Stansted
Sutton
Luton
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Other flights to Heathrow
Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 25, 2026.
Belfast Intl and Heathrow flights
Browse other Belfast Intl and Heathrow flight options. Last updated on October 25, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Belfast Intl to Heathrow
Discover the top airline that operate flights from Belfast Intl to Heathrow. 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 October 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$149 | Average$226 | FlexibilityNo cancel fee | On-time70% |