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Belfast Intl

$157+ Cheap flights from London (LON) to Belfast Intl (BFS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
LON — BFS
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
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Cheapflights Tip: The best prices from London to Belfast Intl are usually found in January or November, booked 81 days in advance, depart on a Monday or Wednesday and return on a Monday

Cheap flight deals from London to Belfast Intl

Cheapest flights from London to Belfast Intl
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 January 21, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/20. 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 2/162:15 pm
LHR
-
BFS
2 stops7h 55m
Multiple Airlines
Sat 2/287:10 am
BFS
-
LHR
1 stop8h 40m
Multiple Airlines
Deal found 1/20$432
This Kiwi.com deal was found by Cheapflights users on 1/20. 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.
Fri 3/67:00 am
LHR
-
BFS
1 stop5h 50m
Multiple Airlines
Fri 3/132:25 pm
BFS
-
LHR
2 stops6h 40m
Multiple Airlines
Deal found 1/20$446
This Kiwi.com deal was found by Cheapflights users on 1/20. 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 1/2710:45 am
LHR
-
BFS
2 stops9h 30m
Multiple Airlines
Sat 1/312:05 pm
BFS
-
LHR
1 stop7h 20m
Multiple Airlines
Deal found 1/20$617
This Kiwi.com deal was found by Cheapflights users on 1/21. 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 1/237:00 am
LHR
-
BFS
1 stop5h 50m
Multiple Airlines
Sat 1/242:05 pm
BFS
-
LHR
1 stop7h 20m
Multiple Airlines
Deal found 1/21$884
This Kiwi.com deal was found by Cheapflights users on 1/20. 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.
Sun 2/157:00 am
LHR
-
BFS
1 stop5h 45m
Multiple Airlines
Thu 2/1910:10 am
BFS
-
LHR
1 stop6h 30m
Multiple Airlines
Deal found 1/20$1,255

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 January 21, 2026.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$432
(Kiwi.com)

One-way from

$157
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$57

Good round-trip deal

$47 or less

Good one-way deal

$45 or less
Provider with most accurate pricing for London (LON)-Belfast Intl flight deals.
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Provider most trusted by Cheapflights users for London (LON)-Belfast Intl flights.
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From London (LON) to Belfast Intl
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One-way flight from London (LON) to Belfast Intl
Search Deals
Highest demand for flights based on searches. 28% potential increase in price ($34 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from London (LON) to Belfast Intl.
Search Deals
Price to beat on a one-way flight from London (LON) to Belfast Intl.
Search Deals

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 2,558,603 searches. Data last updated January 21, 2026.
Use the filters below to find and compare flights from London to Belfast Intl Airport that are best for you.

Fly from

London

Fly to

Belfast Intl

Route

Depart

Return

Price

LondonBelfast

LHR - BFS

LHRBFS

London Heathrow

Mon 2/16

2:15 pm-10:10 pm

2 stops7h 55m

Belfast Intl

Sat 2/28

7:10 am-3:50 pm

1 stop8h 40m

$432

LondonBelfast

LHR - BFS

LHRBFS

London Heathrow

Fri 3/6

7:00 am-12:50 pm

1 stop5h 50m

Belfast Intl

Fri 3/13

2:25 pm-9:05 pm

2 stops6h 40m

$446

LondonBelfast

LHR - BFS

LHRBFS

London Heathrow

Sun 2/15

7:00 am-12:45 pm

1 stop5h 45m

Belfast Intl

Thu 2/19

10:10 am-4:40 pm

1 stop6h 30m

$1,255

LondonBelfast

LHR - BFS

LHRBFS

London Heathrow

Fri 3/6

10:55 am-11:45 pm

2 stops12h 50m

$157

LondonBelfast

LHR - BFS

LHRBFS

London Heathrow

Mon 4/13

10:25 pm-8:50 am

2 stops10h 25m

$180

LondonBelfast

LHR - BFS

LHRBFS

London Heathrow

Sun 3/15

9:55 am-11:50 pm

2 stops13h 55m

$202

LondonBelfast

LHR - BFS

LHRBFS

London Heathrow

Thu 2/5

9:55 am-11:55 pm

2 stops14h 00m

$207

LondonBelfast

LHR - BFS

LHRBFS

London Heathrow

Wed 2/4

10:15 pm-4:00 pm

2 stops17h 45m

$212

LondonBelfast

LHR - BFS

LHRBFS

London Heathrow

Wed 4/15

9:55 am-8:25 pm

2 stops10h 30m

$224

LondonBelfast

LHR - BFS

LHRBFS

London Heathrow

Thu 1/29

9:55 am-11:55 pm

2 stops14h 00m

$260

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

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 January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
Trip.comPrice Accuracy2 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
OneTravelPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on London-Belfast Intl Airport flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on London-Belfast Intl Airport flight deals on Cheapflights vs. CheapOair >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 CheapOair the most. CheapOair 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.
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

How far ahead should I book a flight from London to Belfast Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from London to Belfast Intl. Price data was last updated on January 16, 2026.

The best time to book flights from London 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 to Belfast Intl Airport?

Currently, November is the cheapest month in which you can book a flight from London to Belfast Intl Airport (average of $20). Flying from London to Belfast Intl Airport in August is currently the most expensive (average of $53). 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 January 21, 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 at noon tend to be the most expensive. A flight in the morning could potentially save you up to 49% on airfare.

What is the cheapest day to fly from London to Belfast Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from London to Belfast Intl. Price data was last updated on January 17, 2026.

Travelers seeking maximum savings on their London to Belfast Intl Airport flight should consider departing on Wednesday at noon when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from London to Belfast Intl Airport

Explore weekly flight availability from London to Belfast Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated January 21, 2026.

The most flights from LON to BFS are scheduled on a Monday (11 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (1 on average).

How much does it cost to fly round-trip from London to Belfast Intl Airport?

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 January 21, 2026.
Peruse reviews from past customers who have flown with Ryanair, easyJet, and British Airways 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.
Ryanair
6.9
Okay
5,250 reviews

Crew

7.5

Overall

6.9

Boarding

6.7

Comfort

6.5

Entertainment

5.6

Food

6.0

Reviews

1 / 20
2.0
Mediocre

brendan,Sep 2025

MAN - NTE

It would have been better if I had a flown with Ryanair but I was ill and warm be coming back on the return flight
Ryanair
6.9
Okay
5,250 reviews
Ryanair
6.9
Okay
5,250 reviews

Crew

7.5

Overall

6.9

Boarding

6.7

Comfort

6.5

Entertainment

5.6

Food

6.0

Reviews

1 / 20
2.0
Mediocre

brendan,Sep 2025

MAN - NTE

It would have been better if I had a flown with Ryanair but I was ill and warm be coming back on the return flight
easyJet
6.9
Okay
1,864 reviews
Ryanair
6.9
Okay
5,250 reviews

Crew

7.5

Overall

6.9

Boarding

6.7

Comfort

6.5

Entertainment

5.6

Food

6.0

Reviews

1 / 20
2.0
Mediocre

brendan,Sep 2025

MAN - NTE

It would have been better if I had a flown with Ryanair but I was ill and warm be coming back on the return flight
British Airways
6.7
Okay
7,690 reviews
Ryanair
6.9
Okay
5,250 reviews

Crew

7.5

Overall

6.9

Boarding

6.7

Comfort

6.5

Entertainment

5.6

Food

6.0

Reviews

1 / 20
2.0
Mediocre

brendan,Sep 2025

MAN - NTE

It would have been better if I had a flown with Ryanair but I was ill and warm be coming back on the return flight
Ryanair
6.4
Okay
Ryanair
6.9
Okay
5,250 reviews

Crew

7.5

Overall

6.9

Boarding

6.7

Comfort

6.5

Entertainment

5.6

Food

6.0

Reviews

1 / 20
2.0
Mediocre

brendan,Sep 2025

MAN - NTE

It would have been better if I had a flown with Ryanair but I was ill and warm be coming back on the return flight

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.

  • What are the cheapest airlines flying from London to Belfast Intl Airport round-trip?

    Flying on easyJet is currently your cheapest option to Belfast Intl Airport, with prices starting at $20. Additional round-trip tickets that might be worth considering are offered by Ryanair and British Airways, with the lowest prices starting at $20 and $119, respectively. You may be able to fly from London to Belfast Intl Airport for 77% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from London to Belfast Intl Airport one-way?

    The cheapest airlines for a one-way flight from London to Belfast Intl Airport are easyJet ($23), Ryanair ($30), and British Airways ($52).

  • Can I find deals for flights from London to Belfast Intl that include hotel bookings?

    Yes. In addition to deals on London to Belfast Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from London to Belfast Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Belfast Intl.

  • Can I find deals for business class flights from London to Belfast Intl?

    Yes. Cheapflights offers flight deals from London to Belfast Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London to Belfast Intl Airport?

    Currently, November is the cheapest month in which you can book a flight from London to Belfast Intl Airport (average of $20). Flying from London to Belfast Intl Airport in August is currently the most expensive (average of $53). 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.

See more FAQs

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Alternative routes for London to Belfast Intl

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Belfast Intl flights
Edinburgh to Belfast Intl flights

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 2,558,603 searches. Data last updated January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest$20Average$85FlexibilityNo cancel feeOn-time86%
RyanairCheapest$20Average$82FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$119Average$212FlexibilityNo cancel feeOn-time70%

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