$115+ Cheap flights from London (LON) 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 11/14. Fares are subject to change and may not be available on all flights or dates of travel.
LON — BFS
Oct 17 — Oct 241
Round-trip
1 adult, Economy
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Find cheap flights from London 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.Cheapflights Tip: The best prices from London to Belfast Intl are usually found in January or November, booked 64 days in advance, depart on a Monday or Wednesday and return on a Saturday
Cheap flight deals from London to Belfast Intl
Cheapest
Best
Last-minute
One-way
Cheapest flights from London to Belfast IntlExplore the most affordable flight options available from London to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
Explore the most affordable flight options available from London to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/14. 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
Tue 12/157:05 am -
1 stop7h 20m
Deal found 9/14![Multiple Airlines logo]()
$358
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 10/118:50 pm -
1 stop11h 50m
Tue 10/2010:30 am -
2 stops6h 50m
Deal found 9/14![Multiple Airlines logo]()
$386
This Booking.com deal was found by Cheapflights users on 9/12. 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 11/118:50 pm -
2 stops17h 35m
Wed 11/187:00 am -
2 stops13h 05m
Deal found 9/12![Multiple Airlines logo]()
$404
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 10/161:45 pm -
2 stops7h 55m
Fri 10/239:05 am -
1 stop10h 25m
Deal found 9/17![Multiple Airlines logo]()
$435
This Booking.com deal was found by Cheapflights users on 9/12. 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 12/117:00 am -
1 stop5h 45m
Fri 12/187:25 am -
1 stop6h 15m
Deal found 9/12![Multiple Airlines logo]()
$509
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/163:00 pm -
1 stop22h 45m
Wed 9/239:35 am -
1 stop10h 30m
Deal found 9/13![Multiple Airlines logo]()
$571
This Booking.com deal was found by Cheapflights users on 9/14. 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 10/37:40 am -
2 stops13h 35m
Tue 10/137:35 am -
2 stops12h 45m
Deal found 9/14![Multiple Airlines logo]()
$596
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/279:05 am -
1 stop6h 35m
Mon 11/301:00 pm -
1 stop8h 40m
Deal found 9/15![Multiple Airlines logo]()
$693
Best flights from London to Belfast IntlDiscover carefully curated flight deals from London to Belfast Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
Discover carefully curated flight deals from London to Belfast Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/14. 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
Tue 12/157:05 am -
1 stop7h 20m
Deal found 9/14![Multiple Airlines logo]()
$358
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 10/118:50 pm -
1 stop11h 50m
Tue 10/2010:30 am -
2 stops6h 50m
Deal found 9/14![Multiple Airlines logo]()
$386
This Booking.com deal was found by Cheapflights users on 9/12. 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 11/118:50 pm -
2 stops17h 35m
Wed 11/187:00 am -
2 stops13h 05m
Deal found 9/12![Multiple Airlines logo]()
$404
This Booking.com deal was found by Cheapflights users on 9/12. 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 12/117:00 am -
1 stop5h 45m
Fri 12/187:25 am -
1 stop6h 15m
Deal found 9/12![Multiple Airlines logo]()
$509
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/279:05 am -
1 stop6h 35m
Mon 11/301:00 pm -
1 stop8h 40m
Deal found 9/15![Multiple Airlines logo]()
$693
This Booking.com deal was found by Cheapflights users on 9/12. 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 1/108:15 pm -
3 stops27h 40m
Sun 1/177:55 am -
2 stops24h 10m
Deal found 9/12![Multiple Airlines logo]()
$868
Last-minute flights from London to Belfast IntlDiscover last-minute flight deals from London to Belfast Intl. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from London to Belfast Intl. Data last updated September 17, 2026 and is based on user searches.
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/163:00 pm -
1 stop22h 45m
Wed 9/239:35 am -
1 stop10h 30m
Deal found 9/13![Multiple Airlines logo]()
$571
This Booking.com deal was found by Cheapflights users on 9/14. 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 10/37:40 am -
2 stops13h 35m
Tue 10/137:35 am -
2 stops12h 45m
Deal found 9/14![Multiple Airlines logo]()
$596
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 10/118:50 pm -
1 stop11h 50m
Tue 10/2010:30 am -
2 stops6h 50m
Deal found 9/14![Multiple Airlines logo]()
$386
One-way flights from London to Belfast IntlSearch for one-way flight options from London to Belfast Intl. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
Search for one-way flight options from London to Belfast Intl. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
This Mytrip deal was found by Cheapflights users on 9/14. 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 11/1410:55 am -
2 stops9h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$115
This Kiwi.com 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 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 9/16![Multiple Airlines logo]()
$121
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2510:55 am -
2 stops10h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 10/189:55 am -
1 stop22h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Multiple Airlines logo]()
$123
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/510:55 am -
2 stops6h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$124
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/156:05 pm -
2 stops12h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$125
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/511:05 am -
2 stops12h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 9/223:30 pm -
2 stops17h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$157
This Mytrip deal was found by Cheapflights users on 9/12. 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 10/38:50 am -
2 stops7h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Multiple Airlines logo]()
$158
Find flight deals from London to Belfast Intl
Discover tips and strategies to find the most affordable flight options for your journey from London (LON) 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 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $358 (Kiwi.com) |
One-way from | $115 (Mytrip) |
Popular in | July |
Cheapest in | January |
Average price | $89 |
Good round-trip deal | $61 or less |
Good one-way deal | $35 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from London 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 17, 2026.
Use the filters below to find and compare flights from London 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 11/14
10:55 am-8:05 pm
2 stops9h 10m
Belfast Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$115
LondonBelfast
LHR London Heathrow - BFS Belfast Intl
LHRBFS
London Heathrow
Fri 10/9
11:05 am-6:55 pm
2 stops7h 50m
Belfast Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$121
LondonBelfast
LHR London Heathrow - BFS Belfast Intl
LHRBFS
London Heathrow
Wed 11/25
10:55 am-8:55 pm
2 stops10h 00m
Belfast Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$122
LondonBelfast
LHR London Heathrow - BFS Belfast Intl
LHRBFS
London Heathrow
Wed 12/2
10:55 am-8:55 pm
2 stops10h 00m
Belfast Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$122
LondonBelfast
LHR London Heathrow - BFS Belfast Intl
LHRBFS
London Heathrow
Sun 10/18
9:55 am-8:40 am
1 stop22h 45m
Belfast Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$123
LondonBelfast
LHR London Heathrow - BFS Belfast Intl
LHRBFS
London Heathrow
Sun 11/15
6:05 pm-6:45 am
2 stops12h 40m
Belfast Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$125
LondonBelfast
LHR London Heathrow - BFS Belfast Intl
LHRBFS
London Heathrow
Wed 10/7
8:50 pm-9:45 am
1 stop12h 55m
Belfast Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$135
LondonBelfast
LHR London Heathrow - BFS Belfast Intl
LHRBFS
London Heathrow
Tue 9/22
3:30 pm-9:20 am
2 stops17h 50m
Belfast Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$157
Quickest round-trip
LondonBelfast
LHR London Heathrow - BFS Belfast Intl
LHRBFS
London Heathrow
Sat 10/3
8:50 am-4:05 pm
2 stops7h 15m
Belfast Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$158
LondonBelfast
LHR London Heathrow - BFS Belfast Intl
LHRBFS
London Heathrow
Wed 9/23
9:55 am-10:30 pm
2 stops12h 35m
Belfast Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$161
Showing 1-10 of 17 resultsSorted by cheapest first
Compare providers for flights from London 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 London to Belfast Intl in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on London-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-Belfast Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London-Belfast Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on London-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-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 London to Belfast Intl
Have a flexible travel schedule? Discover the best time to fly to Belfast Intl from London with our price prediction graph.
LON-BFS
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 to Belfast Intl Airport
LON-BFS
LHR-BFS
What is the cheapest month to book a flight from London to Belfast Intl Airport?
Currently, January is the cheapest month in which you can book a flight from London to Belfast Intl Airport (average of $71). Flying from London to Belfast Intl Airport in July is currently the most expensive (average of $150). 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 LON to BFS?
Find hourly flight availability from London to Belfast Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2026.
One of the essential ways to save on airfare from London to Belfast Intl Airport is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 53% on airfare.
How much does it cost to fly round-trip from London to Belfast Intl Airport?
Airfare is above average for this route at the moment.
London to Belfast Intl Airport flights typically cost between $67 and $130 in December.The cheapest round-trip price found within the last 5 days was $358 on Multiple Airlines (Dec 11-Dec 15).
How far ahead should I book a flight from London to Belfast Intl Airport?
The best time to book flights from London to Belfast Intl Airport is 69 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.
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 17, 2026.
Peruse reviews from past customers who have flown with easyJet,British Airways, andRyanair from London to Belfast Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
7.7
Comfort
6.8
Boarding
6.7
Overall
6.9
Food
5.9
Entertainment
5.5
Reviews
1 / 20
2.0
MediocreAleksandra,Aug 2026
LGW - RMU
Crew
7.7
Comfort
6.8
Boarding
6.7
Overall
6.9
Food
5.9
Entertainment
5.5
Reviews
1 / 20
2.0
MediocreAleksandra,Aug 2026
LGW - RMU
Crew
7.7
Comfort
6.8
Boarding
6.7
Overall
6.9
Food
5.9
Entertainment
5.5
Reviews
1 / 20
2.0
MediocreAleksandra,Aug 2026
LGW - RMU
Ryanair
Crew
7.7
Comfort
6.8
Boarding
6.7
Overall
6.9
Food
5.9
Entertainment
5.5
Reviews
1 / 20
2.0
MediocreAleksandra,Aug 2026
LGW - RMU
Related info for your journey
Find useful and relevant information for your journey from London 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.
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Complete your trip
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Alternative routes for London to Belfast Intl
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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 17, 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 London to Belfast Intl by cabin class
Find flights from London to Belfast Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.
London and Belfast Intl flights
Browse other London and Belfast Intl flight options. Last updated on September 17, 2026.
Other flights from London
Browse through other flights departing from London. Flights are based on user searches made on Cheapflights and were last updated on September 17, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from London to Belfast Intl
Discover the top 3 airlines that operate flights from London 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 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$20 | Average$101 | FlexibilityNo cancel fee | On-time86% | |
| Cheapest$42 | Average$107 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$129 | Average$226 | FlexibilityNo cancel fee | On-time70% |