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Belfast Intl

$150+ 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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
LON — BFS
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheapflights Tip: The best prices from London to Belfast Intl are usually found in January or March, booked 43 days in advance, depart on a Wednesday or Monday and return on a Thursday

Cheap 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 15, 2025.

Round-trip from

$361
(Mytrip)

One-way from

$150
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$75

Good round-trip deal

$52 or less

Good one-way deal

$29 or less
From London (LON) to Belfast Intl
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One-way flight from London (LON) to Belfast Intl
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Highest demand for flights based on searches. 29% potential increase in price ($35 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from London (LON) to Belfast Intl.
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Price to beat on a one-way flight from London (LON) to Belfast Intl.
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Find 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 September 15, 2025.

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 10/116:45 pmLHR - BFS
2 stops28h 05mMultiple Airlines
Wed 10/156:00 amBFS - LHR
2 stops16h 55mMultiple Airlines
Deal found 9/14$361
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 10/143:50 pmLHR - BFS
2 stops6h 40mMultiple Airlines
Tue 10/219:15 amBFS - LHR
1 stop10h 15mMultiple Airlines
Deal found 9/14$433
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.
Thu 9/189:50 amLHR - BFS
2 stops6h 50mMultiple Airlines
Sat 9/209:15 amBFS - LHR
1 stop10h 15mMultiple Airlines
Deal found 9/14$551
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/152:20 pmLHR - BFS
2 stops7h 10mMultiple Airlines
Fri 9/265:45 pmBFS - LHR
2 stops14h 15mMultiple Airlines
Deal found 9/13$719
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 12/267:00 amLHR - BFS
1 stop5h 50mMultiple Airlines
Fri 1/27:30 amBFS - LHR
1 stop11h 10mMultiple Airlines
Deal found 9/14$749
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 12/282:25 pmLHR - BFS
1 stop7h 55mMultiple Airlines
Fri 1/27:30 amBFS - LHR
1 stop6h 10mMultiple Airlines
Deal found 9/14$949
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 12/267:00 amLHR - BFS
1 stop5h 50mMultiple Airlines
Sat 1/32:05 pmBFS - LHR
1 stop7h 20mMultiple Airlines
Deal found 9/14$1,027
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 12/267:00 amLHR - BFS
1 stop5h 50mMultiple Airlines
Sun 1/47:25 amBFS - LHR
1 stop11h 15mMultiple Airlines
Deal found 9/14$1,064
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.
Mon 12/292:25 pmLHR - BFS
1 stop7h 30mMultiple Airlines
Sat 1/32:05 pmBFS - LHR
1 stop7h 20mMultiple Airlines
Deal found 9/14$1,091
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 12/282:25 pmLHR - BFS
1 stop7h 55mMultiple Airlines
Sat 1/32:05 pmBFS - LHR
1 stop7h 20mMultiple Airlines
Deal found 9/14$1,140
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.
Mon 12/292:25 pmLHR - BFS
1 stop7h 30mMultiple Airlines
Sun 1/47:25 amBFS - LHR
1 stop9h 15mMultiple Airlines
Deal found 9/14$1,276
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.
Sat 12/272:25 pmLHR - BFS
1 stop5h 00mMultiple Airlines
Fri 1/27:30 amBFS - LHR
1 stop11h 10mMultiple Airlines
Deal found 9/14$1,360

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 September 15, 2025.
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

Sat 10/11

6:45 pm-10:50 pm

2 stops28h 05m

Belfast Intl

Wed 10/15

6:00 am-10:55 pm

2 stops16h 55m

$361

LondonBelfast

LHR - BFS

LHRBFS

London Heathrow

Tue 10/14

3:50 pm-10:30 pm

2 stops6h 40m

Belfast Intl

Tue 10/21

9:15 am-7:30 pm

1 stop10h 15m

$433

LondonBelfast

LHR - BFS

LHRBFS

London Heathrow

Fri 12/26

7:00 am-12:50 pm

1 stop5h 50m

Belfast Intl

Fri 1/2

7:30 am-6:40 pm

1 stop11h 10m

$749

LondonBelfast

LHR - BFS

LHRBFS

London Heathrow

Sun 12/28

2:25 pm-10:20 pm

1 stop7h 55m

Belfast Intl

Fri 1/2

7:30 am-1:40 pm

1 stop6h 10m

$949

LondonBelfast

LHR - BFS

LHRBFS

London Heathrow

Fri 12/26

7:00 am-12:50 pm

1 stop5h 50m

Belfast Intl

Sat 1/3

2:05 pm-9:25 pm

1 stop7h 20m

$1,027

LondonBelfast

LHR - BFS

LHRBFS

London Heathrow

Fri 12/26

7:00 am-12:50 pm

1 stop5h 50m

Belfast Intl

Sun 1/4

7:25 am-6:40 pm

1 stop11h 15m

$1,064

LondonBelfast

LHR - BFS

LHRBFS

London Heathrow

Mon 12/29

2:25 pm-9:55 pm

1 stop7h 30m

Belfast Intl

Sat 1/3

2:05 pm-9:25 pm

1 stop7h 20m

$1,091

LondonBelfast

LHR - BFS

LHRBFS

London Heathrow

Sun 12/28

2:25 pm-10:20 pm

1 stop7h 55m

Belfast Intl

Sat 1/3

2:05 pm-9:25 pm

1 stop7h 20m

$1,140

LondonBelfast

LHR - BFS

LHRBFS

London Heathrow

Mon 12/29

2:25 pm-9:55 pm

1 stop7h 30m

Belfast Intl

Sun 1/4

7:25 am-4:40 pm

1 stop9h 15m

$1,276

LondonBelfast

LHR - BFS

LHRBFS

London Heathrow

Sat 12/27

2:25 pm-7:25 pm

1 stop5h 00m

Belfast Intl

Fri 1/2

7:30 am-6:40 pm

1 stop11h 10m

$1,360

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 19 results
1
2

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 September 12, 2025.

The best time to book flights from London to Belfast Intl Airport is 43 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, February is the cheapest month in which you can book a flight from London to Belfast Intl Airport (average of $657). Flying from London to Belfast Intl Airport in June is currently the most expensive (average of $1,189). 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 15, 2025.

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 12% 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 December 16, 2024.

Travelers seeking maximum savings on their London to Belfast Intl Airport flight should consider departing on Thursday afternoons when fares are most often at their lowest. Thursday mornings 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 September 15, 2025.

The most flights from LON to BFS are scheduled on a Monday (13 on average). You will have fewer flight options on Tuesday, 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 September 15, 2025.
Peruse reviews from past customers who have flown with easyJet, Ryanair, 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.
easyJet
6.9
Okay
1,820 reviews

Overall

6.9

Food

5.9

Boarding

6.7

Entertainment

5.5

Comfort

6.7

Crew

7.6

Reviews

1 / 20
4.0
Okay

Matt,Sep 2025

JTR - LGW

Boarding was a disaster. They are Nazis with the bags.
easyJet
6.9
Okay
1,820 reviews
easyJet
6.9
Okay
1,820 reviews

Overall

6.9

Food

5.9

Boarding

6.7

Entertainment

5.5

Comfort

6.7

Crew

7.6

Reviews

1 / 20
4.0
Okay

Matt,Sep 2025

JTR - LGW

Boarding was a disaster. They are Nazis with the bags.
Ryanair
6.8
Okay
5,155 reviews
easyJet
6.9
Okay
1,820 reviews

Overall

6.9

Food

5.9

Boarding

6.7

Entertainment

5.5

Comfort

6.7

Crew

7.6

Reviews

1 / 20
4.0
Okay

Matt,Sep 2025

JTR - LGW

Boarding was a disaster. They are Nazis with the bags.
British Airways
6.7
Okay
7,361 reviews
easyJet
6.9
Okay
1,820 reviews

Overall

6.9

Food

5.9

Boarding

6.7

Entertainment

5.5

Comfort

6.7

Crew

7.6

Reviews

1 / 20
4.0
Okay

Matt,Sep 2025

JTR - LGW

Boarding was a disaster. They are Nazis with the bags.
Ryanair
6.2
Okay
easyJet
6.9
Okay
1,820 reviews

Overall

6.9

Food

5.9

Boarding

6.7

Entertainment

5.5

Comfort

6.7

Crew

7.6

Reviews

1 / 20
4.0
Okay

Matt,Sep 2025

JTR - LGW

Boarding was a disaster. They are Nazis with the bags.

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 Ryanair 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 easyJet and British Airways, with the lowest prices starting at $39 and $111, respectively. You may be able to fly from London to Belfast Intl Airport for 76% less than the average price by searching for these airlines.

  • 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, February is the cheapest month in which you can book a flight from London to Belfast Intl Airport (average of $657). Flying from London to Belfast Intl Airport in June is currently the most expensive (average of $1,189). 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest$20Average$84FlexibilityNo cancel feeOn-timeN/A
easyJetCheapest$39Average$94FlexibilityNo cancel feeOn-time86%
British AirwaysCheapest$111Average$184FlexibilityNo cancel feeOn-time70%

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