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Cheap flights from London to Belfast from £23

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 27/11. Fares are subject to change and may not be available on all flights or dates of travel.
LON — BHD
18 Dec — 25 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from London to Belfast are usually found in January or March, booked 81 days in advance, depart on a Wednesday or Tuesday and return on a Thursday

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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 18 November 2025.

Thu 4/1208:00STN - BFS
Nonstop1h 20mRyanair
Sun 7/1222:45BFS - STN
Nonstop1h 20mRyanair
Deal found 17/11£34
Mon 15/1207:00LTN - BFS
Nonstop1h 20measyJet
Thu 18/1221:00BFS - LTN
Nonstop1h 10measyJet
Deal found 16/11£35
Wed 31/1207:50STN - BFS
Nonstop1h 20measyJet
Wed 7/106:00BFS - STN
Nonstop1h 20measyJet
Deal found 16/11£36
Wed 17/1207:00LTN - BFS
Nonstop1h 20measyJet
Wed 17/1214:50BFS - LTN
Nonstop1h 10measyJet
Deal found 17/11£36
Mon 15/1207:50STN - BFS
Nonstop1h 20measyJet
Mon 22/1206:00BFS - STN
Nonstop1h 20measyJet
Deal found 17/11£36
Wed 17/1207:00LTN - BFS
Nonstop1h 20measyJet
Fri 19/1221:05BFS - LTN
Nonstop1h 10measyJet
Deal found 17/11£36
Sat 13/1206:10LGW - BFS
Nonstop1h 30measyJet
Tue 16/1208:35BFS - LGW
Nonstop1h 25measyJet
Deal found 15/11£39
Fri 12/1206:45LGW - BFS
Nonstop1h 40measyJet
Fri 19/1221:20BFS - LGW
Nonstop1h 25measyJet
Deal found 16/11£40
Tue 9/1207:00LGW - BHD
Nonstop1h 30measyJet
Tue 16/1210:15BHD - LGW
Nonstop1h 20measyJet
Deal found 17/11£40
Thu 20/1108:00STN - BFS
Nonstop1h 20mRyanair
Mon 24/1122:20BFS - STN
Nonstop1h 20mRyanair
Deal found 15/11£40
Thu 11/1207:00LTN - BFS
Nonstop1h 20measyJet
Mon 15/1208:50BFS - LTN
Nonstop1h 10measyJet
Deal found 17/11£40
Mon 15/1206:30LGW - BFS
Nonstop1h 30measyJet
Fri 19/1206:30BFS - LGW
Nonstop1h 30measyJet
Deal found 15/11£40

Cheap 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 18 November 2025.

Round-trip from

£34

One-way from

£23

Popular in

July

Cheapest in

January

Average price

£51
Ryanair
  • Ryanair
  • 4/12-7/12
  • Nonstop
  • 2h 40m total
  • London to Belfast
Search Deals
easyJet
  • easyJet
  • 27/11
  • Nonstop
  • 1h 20m total
  • London to Belfast
Search Deals
Highest demand for flights based on searches. 28% potential increase in price (£20 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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 18 November 2025.
Use the filters below to find and compare flights from London to Belfast that are best for you.

Fly from

London

Fly to

Belfast

Route

Depart

Return

Price

LondonBelfast

STN - BFS

STNBFS

London Stansted

Thu 4/12

08:00-09:20

Nonstop1h 20m

Belfast Intl

Sun 7/12

22:45-00:05

Nonstop1h 20m

£34

LondonBelfast

LTN - BFS

LTNBFS

London Luton

Tue 16/12

07:00-08:20

Nonstop1h 20m

Belfast Intl

Sun 21/12

20:55-22:05

Nonstop1h 10m

£35

LondonBelfast

STN - BFS

STNBFS

London Stansted

Tue 2/12

07:50-09:10

Nonstop1h 20m

Belfast Intl

Tue 9/12

06:00-07:20

Nonstop1h 20m

£36

LondonBelfast

STN - BFS

STNBFS

London Stansted

Mon 15/12

07:50-09:10

Nonstop1h 20m

Belfast Intl

Mon 22/12

06:00-07:20

Nonstop1h 20m

£36

LondonBelfast

LTN - BFS

LTNBFS

London Luton

Wed 17/12

07:00-08:20

Nonstop1h 20m

Belfast Intl

Wed 24/12

21:00-22:15

Nonstop1h 15m

£36

LondonBelfast

STN - BFS

STNBFS

London Stansted

Wed 18/2

09:25-10:45

Nonstop1h 20m

Belfast Intl

Mon 23/2

18:50-20:10

Nonstop1h 20m

£39

LondonBelfast

STN - BFS

STNBFS

London Stansted

Fri 28/11

06:05-07:25

Nonstop1h 20m

Belfast Intl

Mon 1/12

18:50-20:10

Nonstop1h 20m

£40

LondonBelfast

LGW - BFS

LGWBFS

London Gatwick

Fri 9/1

20:55-22:20

Nonstop1h 25m

Belfast Intl

Wed 14/1

20:50-22:15

Nonstop1h 25m

£40

LondonBelfast

LGW - BFS

LGWBFS

London Gatwick

Sat 17/1

06:10-07:40

Nonstop1h 30m

Belfast Intl

Thu 22/1

20:05-21:30

Nonstop1h 25m

£40

LondonBelfast

LGW - BFS

LGWBFS

London Gatwick

Tue 2/12

08:35-10:05

Nonstop1h 30m

Belfast Intl

Tue 2/12

20:55-22:20

Nonstop1h 25m

£40

Flights are sorted by cheapest return flights first.

Deals found on 15/11

Showing 1-10 of 60 results
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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

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

Use this chart to determine the optimal time to book a return flight from London to Belfast. Price data was last updated on 14 November 2025.

The best time to book flights from London to Belfast 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?

Currently, January is the cheapest month in which you can book a flight from London to Belfast (average of £14). Flying from London to Belfast in August is currently the most expensive (average of £40). 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 18 November 2025.

Unlike at midday, when flights are generally more expensive, you can save up to 35% on flights from London to Belfast by exploring options for tickets in the evening.

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 16 December 2024.

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

Weekly flight availability from London to Belfast

Explore weekly flight availability from London to Belfast. 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 18 November 2025.

The most flights from LON to BF1 are scheduled on a Sunday (15 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (3 on average).

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

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 18 November 2025.
Check out reviews from past customers who have flown with easyJet, Ryanair, andBritish Airways 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
1,846 reviews
Check prices

Overall

6.9

Entertainment

5.5

Crew

7.6

Boarding

6.7

Comfort

6.7

Food

5.9

Reviews

1 / 20
10.0
Excellent

muhon,Oct 2025

MAN - GVA

Service and quality and the price is great .definitely recomondable .
easyJet
6.9
Okay
1,846 reviews
easyJet
6.9
Okay
1,846 reviews
Check prices

Overall

6.9

Entertainment

5.5

Crew

7.6

Boarding

6.7

Comfort

6.7

Food

5.9

Reviews

1 / 20
10.0
Excellent

muhon,Oct 2025

MAN - GVA

Service and quality and the price is great .definitely recomondable .
Ryanair
6.8
Okay
5,194 reviews
easyJet
6.9
Okay
1,846 reviews
Check prices

Overall

6.9

Entertainment

5.5

Crew

7.6

Boarding

6.7

Comfort

6.7

Food

5.9

Reviews

1 / 20
10.0
Excellent

muhon,Oct 2025

MAN - GVA

Service and quality and the price is great .definitely recomondable .
British Airways
6.7
Okay
7,528 reviews
easyJet
6.9
Okay
1,846 reviews
Check prices

Overall

6.9

Entertainment

5.5

Crew

7.6

Boarding

6.7

Comfort

6.7

Food

5.9

Reviews

1 / 20
10.0
Excellent

muhon,Oct 2025

MAN - GVA

Service and quality and the price is great .definitely recomondable .
Ryanair
6.3
Okay
easyJet
6.9
Okay
1,846 reviews
Check prices

Overall

6.9

Entertainment

5.5

Crew

7.6

Boarding

6.7

Comfort

6.7

Food

5.9

Reviews

1 / 20
10.0
Excellent

muhon,Oct 2025

MAN - GVA

Service and quality and the price is great .definitely recomondable .

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. Ryanair provides one of the quickest options available for as low as £34. There are 328 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, Ryanair (£29), easyJet (£29), and Ryanair (£41) offers the cheapest pricing from London to Belfast. You may be able to fly from London to Belfast for 57% 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 easyJet, which is currently one of the cheapest options available, starting at £23. Ryanair flights start at £23 while deals on British Airways start at £40 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 Heathrow - 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 £14). Flying from London to Belfast in August is currently the most expensive (average of £40). 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.
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Doncaster to Belfast City flights
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Top 5 airlines flying from London to Belfast

Discover the top 5 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 18 November 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£29Average£60FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
easyJetCheapest£29Average£82FlexibilityNo cancel feeOn-time86%
Search easyJet flights
RyanairCheapest£41Average£75FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
British AirwaysCheapest£78Average£144FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LoganairCheapest£133Average£183FlexibilityNo 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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