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Cheap flights from London to Belfast from £40

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 20/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — BHD
11 Sep — 18 Sep1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London to Belfast are usually found in January or November, booked 32 days in advance, depart on a Tuesday or Monday and return on a Thursday

Cheap flight deals from London to Belfast

Enter your travel dates to find the best prices.

Cheapest flights from London to Belfast
Explore the most affordable flight options available from London to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 August 2026.

Thu 1/1018:25 -
Nonstop1h 30m
Sun 4/1007:00 -
Nonstop1h 30m
Deal found 11/8£53
Thu 17/908:30 -
Nonstop1h 20m
Sun 20/907:00 -
Nonstop1h 20m
Deal found 12/8£53
Wed 2/911:00 -
Nonstop1h 15m
Mon 7/909:50 -
Nonstop1h 10m
Deal found 11/8£53
Thu 17/911:00 -
Nonstop1h 20m
Tue 29/907:00 -
Nonstop1h 10m
Deal found 10/8£53
Fri 16/1017:50 -
Nonstop1h 30m
Sun 18/1021:10 -
Nonstop1h 25m
Deal found 11/8£53
Thu 3/918:55 -
Nonstop1h 20m
Sun 6/907:00 -
Nonstop1h 20m
Deal found 9/8£53
Mon 7/908:00 -
Nonstop1h 20m
Mon 21/909:50 -
Nonstop1h 10m
Deal found 10/8£53
Thu 3/911:00 -
Nonstop1h 20m
Mon 7/920:15 -
Nonstop1h 10m
Deal found 10/8£53
Fri 9/1006:25 -
Nonstop1h 30m
Sun 11/1021:10 -
Nonstop1h 25m
Deal found 11/8£54
Thu 15/1018:10 -
Nonstop1h 30m
Thu 15/1020:40 -
Nonstop1h 30m
Deal found 11/8£54
Fri 11/922:10 -
Nonstop1h 15m
Sun 13/907:00 -
Nonstop1h 20m
Deal found 11/8£54
Thu 17/909:55 -
Nonstop1h 20m
Mon 21/909:50 -
Nonstop1h 10m
Deal found 12/8£54

Find flight deals from London to Belfast

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Belfast (BF1). 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 12 August 2026.

Round-trip from

£53

One-way from

£40

Popular in

July

Cheapest in

January

Average price

£104
easyJet
  • easyJet
  • 1/10-4/10
  • Nonstop
  • 3h 00m total
  • London to Belfast
Search Deals
easyJet
  • easyJet
  • 20/9
  • Nonstop
  • 1h 30m total
  • London to Belfast
Search Deals
Highest demand for flights based on searches. 26% potential increase in price (£19 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£3 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from London to Belfast 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 858,174 searches. Data last updated 12 August 2026.
Use the filters below to find and compare flights from London to Belfast that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonBelfast

LTN London Luton - BFS Belfast Intl

LTNBFS

London Luton

Sun 20/9

08:40-10:00

Nonstop1h 20m

Belfast Intl

Wed 23/9

08:55-10:05

Nonstop1h 10m

£53

LondonBelfast

STN London Stansted - BFS Belfast Intl

STNBFS

London Stansted

Sun 27/9

08:50-10:10

Nonstop1h 20m

Belfast Intl

Mon 28/9

10:35-11:55

Nonstop1h 20m

£53
Fastest return journey

LondonBelfast

LTN London Luton - BHD Belfast City

LTNBHD

London Luton

Wed 9/9

11:00-12:15

Nonstop1h 15m

Belfast City

Wed 16/9

12:45-13:55

Nonstop1h 10m

£53

LondonBelfast

LTN London Luton - BFS Belfast Intl

LTNBFS

London Luton

Fri 11/9

07:00-08:20

Nonstop1h 20m

Belfast Intl

Fri 11/9

20:15-21:25

Nonstop1h 10m

£54

LondonBelfast

STN London Stansted - BFS Belfast Intl

STNBFS

London Stansted

Thu 22/10

18:55-20:15

Nonstop1h 20m

Belfast Intl

Mon 26/10

17:30-18:50

Nonstop1h 20m

£56

LondonBelfast

STN London Stansted - BFS Belfast Intl

STNBFS

London Stansted

Sun 27/9

08:50-10:10

Nonstop1h 20m

Belfast Intl

Sun 27/9

20:20-21:35

Nonstop1h 15m

£56

LondonBelfast

LTN London Luton - BHD Belfast City

LTNBHD

London Luton

Sun 6/9

13:40-14:55

Nonstop1h 15m

Belfast City

Wed 9/9

12:45-13:55

Nonstop1h 10m

£56

LondonBelfast

LTN London Luton - BFS Belfast Intl

LTNBFS

London Luton

Thu 3/9

13:55-15:15

Nonstop1h 20m

Belfast Intl

Sun 6/9

22:10-23:20

Nonstop1h 10m

£56

LondonBelfast

STN London Stansted - BFS Belfast Intl

STNBFS

London Stansted

Wed 16/9

08:55-16:20

1 stop7h 25m

Belfast Intl

Wed 16/9

20:10-21:25

Nonstop1h 15m

£57

LondonBelfast

STN London Stansted - BFS Belfast Intl

STNBFS

London Stansted

Wed 2/9

08:15-13:25

1 stop5h 10m

Belfast Intl

Sat 5/9

06:00-07:20

Nonstop1h 20m

£57

Flights are sorted by cheapest return flights first.

Deals found on 11/8

Showing 1-10 of 60 resultsSorted by cheapest first
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2
3
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6

Best time to book a flight from London to Belfast

Have a flexible travel schedule? Discover the best time to fly to Belfast from London with our price prediction graph.
Estimated return 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

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

Currently, January is the cheapest month in which you can book a flight from London to Belfast (average of £60). Flying from London to Belfast in August is currently the most expensive (average of £123). 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. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 August 2026.

Unlike at midday, when flights are generally more expensive, you can save up to 41% on flights from London to Belfast by exploring options for tickets in the morning.

How much does it cost for a return flight from London to Belfast?

Airfare is below average for this route at the moment.
London to Belfast flights typically cost between £71 and £158 in October.
The cheapest return price found within the last 5 days was £53 on easyJet (1 Oct–4 Oct).

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

The best time to book flights from London to Belfast is 64 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 day to fly from London to Belfast?

Use this chart to determine the cheapest time to fly return from London to Belfast. Price data was last updated on 8 August 2026.

Travellers seeking maximum savings on their London to Belfast flight should consider departing on Wednesday at midday when fares are most often at their lowest. Friday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Belfast

Get insights into the airlines that provide service to Belfast. 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. Reviews last updated 12 August 2026.
Check out reviews from past customers who have flown with easyJet,British Airways, andRyanair from London to Belfast 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
1,923 reviews
Check prices

Food

5.9

Comfort

6.8

Overall

6.9

Entertainment

5.5

Boarding

6.7

Crew

7.7

Reviews

1 / 20
10.0
Excellent

David J,Jul 2026

LGW - BOD

great pilot who explained tye delays due to the fires in France
easyJet
6.9
Okay
1,923 reviews
easyJet
6.9
Okay
1,923 reviews
Check prices

Food

5.9

Comfort

6.8

Overall

6.9

Entertainment

5.5

Boarding

6.7

Crew

7.7

Reviews

1 / 20
10.0
Excellent

David J,Jul 2026

LGW - BOD

great pilot who explained tye delays due to the fires in France
British Airways
6.7
Okay
8,159 reviews
easyJet
6.9
Okay
1,923 reviews
Check prices

Food

5.9

Comfort

6.8

Overall

6.9

Entertainment

5.5

Boarding

6.7

Crew

7.7

Reviews

1 / 20
10.0
Excellent

David J,Jul 2026

LGW - BOD

great pilot who explained tye delays due to the fires in France
Ryanair
6.4
Okay
easyJet
6.9
Okay
1,923 reviews
Check prices

Food

5.9

Comfort

6.8

Overall

6.9

Entertainment

5.5

Boarding

6.7

Crew

7.7

Reviews

1 / 20
10.0
Excellent

David J,Jul 2026

LGW - BOD

great pilot who explained tye delays due to the fires in France

Related info for your journey

Find useful and relevant information for your journey from London to Belfast. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from London to Belfast?

    A quick flight from London to Belfast can take about 1h 20m. easyJet provides one of the quickest options available for as low as £53. There are 308 mi between London and Belfast. All flights are typically direct.

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

    According to our current data, easyJet (£14), Ryanair (£18), and British Airways (£44) offers the cheapest pricing from London to Belfast. You may be able to fly from London to Belfast for 80% less than the average price by searching for these airlines.

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

    To fly one-way, consider booking your trip with Ryanair, which is currently one of the cheapest options available, starting at £15. easyJet flights start at £20 while deals on British Airways start at £45 one-way.

  • What are the most popular routes from London to Belfast?

    The most popular route from London to Belfast is London Gatwick - Belfast Intl. You may also consider London Luton - Belfast Intl or London Stansted - Belfast Intl.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from London to Belfast 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?

    Currently, January is the cheapest month in which you can book a flight from London to Belfast (average of £60). Flying from London to Belfast in August is currently the most expensive (average of £123). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for London to Belfast

See prices for flight routes from nearby airports that may be better suited for you.
Gatwick to Belfast Intl flights
Luton to Belfast Intl flights
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Birmingham to Belfast City flights
Edinburgh to Belfast City flights
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Liverpool to Belfast City flights
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Bristol to Belfast City flights
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East Midlands to Belfast Intl flights
Newcastle upon Tyne to Belfast City flights
Southampton to Belfast Intl flights
East Midlands to Belfast City flights
Southampton to Belfast City flights
Stansted to Derry flights
Luton to Derry flights
Gatwick to Derry flights
Birmingham to Derry flights
Liverpool to Derry flights
Newquay to Belfast Intl flights
Heathrow to Campbeltown flights
Newquay to Belfast City flights
Gatwick to Campbeltown flights
Exeter to Belfast Intl flights
Exeter to Belfast City flights
Southend to Belfast City flights
Norwich to Belfast Intl flights
Bristol to Derry flights
Doncaster to Belfast City flights
Doncaster to Belfast Intl flights
Stansted to Campbeltown flights
Luton to Campbeltown flights
Southend to Campbeltown flights

Top 4 airlines flying from London to Belfast

Discover the top 4 airlines that operate flights from London to Belfast. 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 858,174 searches. Data last updated 12 August 2026.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£14Average£81FlexibilityNo cancel feeOn-time86%
Search easyJet flights
RyanairCheapest£18Average£55FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
British AirwaysCheapest£44Average£180FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LoganairCheapest£140Average£219FlexibilityNo cancel feeOn-time79%
Search Loganair flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from London to Belfast?

Cheapflights helps you search for flights from London to Belfast via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from London to Belfast?

Millions of users choose and trust Cheapflights to book the best flight deals from London to Belfast for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from London to Belfast with no change fees?

Certainly. Search results for flights to Belfast from London shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from London to Belfast become cheaper?

Of course! You can now track prices for flights from London to Belfast and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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