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Cheap flights from London to Belfast Intl Airport from £17

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 26/2. Fares are subject to change and may not be available on all flights or dates of travel.
LON — BFS
26 Feb — 5 Mar1
1 adult

The best prices from London to Belfast Intl are usually found in January or March, booked 43 days in advance, depart on a Tuesday or Wednesday and return on a Friday

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 21 February 2025.

Round-trip from

£32

One-way from

£17

Popular in

July

Cheapest in

January

Average price

£58

Good round-trip deal

£35 or less

Good one-way deal

£19 or less
Ryanair
  • Ryanair
  • 6/4-10/4
  • Nonstop
  • 2h 35m total
  • London to Belfast
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Ryanair
  • Ryanair
  • 26/2
  • Nonstop
  • 1h 20m total
  • London to Belfast
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (£13 potential increase over avg. return price).
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Cheapest flight prices on average. 5% potential price decrease (£3 potential savings vs. average return price).
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Average for round-trip flights in February 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 21 February 2025.

Sun 6/407:10STN - BFS
Nonstop1h 15mRyanair
Thu 10/406:00BFS - STN
Nonstop1h 20mRyanair
Deal found 20/2£32
Tue 4/315:00LTN - BFS
Nonstop1h 15measyJet
Fri 7/321:00BFS - LTN
Nonstop1h 15measyJet
Deal found 19/2£33
Tue 25/215:40STN - BFS
Nonstop1h 20measyJet
Tue 4/318:25BFS - STN
Nonstop1h 15measyJet
Deal found 20/2£36
Mon 10/306:30LGW - BFS
Nonstop1h 30measyJet
Wed 12/306:30BFS - LGW
Nonstop1h 30measyJet
Deal found 20/2£38
Sat 8/311:30STN - BFS
Nonstop1h 20mRyanair
Tue 11/305:45BFS - STN
Nonstop1h 20mRyanair
Deal found 20/2£40
Tue 29/409:10STN - BFS
Nonstop1h 15mMultiple Airlines
Wed 30/417:05BFS - STN
1 stop3h 45mMultiple Airlines
Deal found 20/2£81
Sun 6/419:30LTN - BFS
1 stop3h 00mMultiple Airlines
Sun 13/407:00BFS - LTN
Nonstop1h 10mMultiple Airlines
Deal found 20/2£108
Sun 6/407:55LGW - BFS
Nonstop1h 30mMultiple Airlines
Sun 13/422:55BFS - LGW
1 stop8h 40mMultiple Airlines
Deal found 19/2£114
Wed 23/406:45LHR - BFS
1 stop4h 35mMultiple Airlines
Wed 23/415:05BFS - LHR
1 stop6h 35mMultiple Airlines
Deal found 20/2£153
Wed 16/417:30SEN - BFS
1 stop26h 55mMultiple Airlines
Tue 22/409:00BFS - SEN
2 stops38h 05mMultiple Airlines
Deal found 20/2£205
Wed 16/415:40SEN - BFS
1 stop8h 10measyJet
Tue 22/416:55BFS - SEN
1 stop29h 25measyJet
Deal found 20/2£231
Thu 3/407:45LCY - BFS
3 stops23h 25mMultiple Airlines
Fri 4/420:35BFS - LCY
3 stops40h 40mMultiple Airlines
Deal found 20/2£322

Find flights from London to Belfast Intl within your budget

Customise 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 858,174 searches. Data last updated 21 February 2025.

Fly from

London

Fly to

Belfast Intl

Route

Depart

Return

Price

LondonBelfast

STN - BFS

STNBFS

London Stansted

Sun 6/4

07:10-08:25

Nonstop1h 15m

Belfast Intl

Thu 10/4

06:00-07:20

Nonstop1h 20m

£32

LondonBelfast

LTN - BFS

LTNBFS

London Luton

Tue 4/3

15:00-16:15

Nonstop1h 15m

Belfast Intl

Fri 7/3

21:00-22:15

Nonstop1h 15m

£33

LondonBelfast

STN - BFS

STNBFS

London Stansted

Wed 12/3

15:40-17:00

Nonstop1h 20m

Belfast Intl

Wed 12/3

18:25-19:40

Nonstop1h 15m

£36

LondonBelfast

LGW - BFS

LGWBFS

London Gatwick

Mon 10/3

06:30-08:00

Nonstop1h 30m

Belfast Intl

Wed 12/3

06:30-08:00

Nonstop1h 30m

£38

LondonBelfast

STN - BFS

STNBFS

London Stansted

Sat 8/3

11:30-12:50

Nonstop1h 20m

Belfast Intl

Tue 11/3

05:45-07:05

Nonstop1h 20m

£40

LondonBelfast

STN - BFS

STNBFS

London Stansted

Tue 29/4

09:10-10:25

Nonstop1h 15m

Belfast Intl

Wed 30/4

17:05-20:50

1 stop3h 45m

£81

LondonBelfast

LTN - BFS

LTNBFS

London Luton

Sun 6/4

19:30-22:30

1 stop3h 00m

Belfast Intl

Thu 10/4

21:00-22:10

Nonstop1h 10m

£104

LondonBelfast

LGW - BFS

LGWBFS

London Gatwick

Sun 6/4

07:55-09:25

Nonstop1h 30m

Belfast Intl

Sun 13/4

22:55-07:35

1 stop8h 40m

£114

LondonBelfast

LHR - BFS

LHRBFS

London Heathrow

Wed 23/4

06:45-11:20

1 stop4h 35m

Belfast Intl

Wed 23/4

15:05-21:40

1 stop6h 35m

£153

LondonBelfast

SEN - BFS

SENBFS

London Southend

Wed 16/4

17:30-20:25

1 stop26h 55m

Belfast Intl

Tue 22/4

09:00-23:05

2 stops38h 05m

£205

Flights are sorted by cheapest return flights first.

Deals found on 20/2

Showing 1-10 of 23 results
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2
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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 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.

Travel insights for flights from London to Belfast Intl

Get recent, data-driven insights about flights from London to Belfast Intl including ideal travel times, pricing trends, and more.

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 return flight from London to Belfast Intl. Price data was last updated on 14 February 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, January is the cheapest month in which you can book a flight from London to Belfast Intl Airport (average of £67). Flying from London to Belfast Intl Airport in July is currently the most expensive (average of £90). 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 21 February 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 28% on flights from London to Belfast Intl Airport by exploring options for tickets in the morning.

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

Use this chart to determine the cheapest time to fly return from London to Belfast Intl. Price data was last updated on 16 December 2024.

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

Rainfall in Belfast Intl by month

Plan your trip to Belfast Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Belfast Intl Airport ranges from 50.0 - 90.0 inches per month. October is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Belfast Intl Airport when rainfall is around 50.0 mm.

Temperature in Belfast Intl by month

Plan your trip to Belfast Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Belfast Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

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 21 February 2025.
Peruse reviews from past customers who have flown with easyJet, Ryanair and Ryanair 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
1,816 reviews
Check prices

Food

5.9

Crew

7.6

Entertainment

5.5

Boarding

6.7

Comfort

6.7

Overall

6.9

Reviews

1 / 20

8.0
Excellent

Robert,Jan 2025

LCA - LGW

Food to be reasonably priced and water is a necessity not a luxury and should be priced accordingly

easyJet
6.9
Okay
1,816 reviews
easyJet
6.9
Okay
1,816 reviews
Check prices

Food

5.9

Crew

7.6

Entertainment

5.5

Boarding

6.7

Comfort

6.7

Overall

6.9

Reviews

1 / 20

8.0
Excellent

Robert,Jan 2025

LCA - LGW

Food to be reasonably priced and water is a necessity not a luxury and should be priced accordingly

Ryanair
6.8
Okay
5,069 reviews
easyJet
6.9
Okay
1,816 reviews
Check prices

Food

5.9

Crew

7.6

Entertainment

5.5

Boarding

6.7

Comfort

6.7

Overall

6.9

Reviews

1 / 20

8.0
Excellent

Robert,Jan 2025

LCA - LGW

Food to be reasonably priced and water is a necessity not a luxury and should be priced accordingly

Ryanair
6.1
Okay
easyJet
6.9
Okay
1,816 reviews
Check prices

Food

5.9

Crew

7.6

Entertainment

5.5

Boarding

6.7

Comfort

6.7

Overall

6.9

Reviews

1 / 20

8.0
Excellent

Robert,Jan 2025

LCA - LGW

Food to be reasonably priced and water is a necessity not a luxury and should be priced accordingly

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?

    Cheapflights users have booked flights from London to Belfast Intl Airport round-trip from £32. Other airlines that can offer you cheap pricing are easyJet, from £33, and Ryanair, from £40. Ryanair is 48% cheaper than the average price of flights available within the next 90 days to this destination.

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

    £17 is the cheapest one-way deal found within the past few days, from Ryanair. You may also be able to find cheap deals on easyJet and Ryanair, with prices starting from £18 and £101, respectively.

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

    While some choose either London Luton - Belfast Intl or London Stansted - Belfast Intl, London Gatwick - Belfast Intl is the most popular route from London to Belfast Intl Airport.

  • 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 holiday 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, January is the cheapest month in which you can book a flight from London to Belfast Intl Airport (average of £67). Flying from London to Belfast Intl Airport in July is currently the most expensive (average of £90). 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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Fly from London to Belfast Intl on these airlines

Choose from the following airlines for your flight from London to Belfast Intl. Flights are based on user searches made on Cheapflights and were last updated on 21 February 2025.
easyJet flights from London to Belfast Intl
Ryanair flights from London to Belfast Intl
British Airways flights from London to Belfast Intl

Top 4 airlines flying from London to Belfast Intl

Discover the top 4 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 858,174 searches. Data last updated 21 February 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£21Average£36FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
RyanairCheapest£31Average£55FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
easyJetCheapest£32Average£76FlexibilityNo cancel feeOn-time86%
Search easyJet flights
British AirwaysCheapest£83Average£173FlexibilityNo cancel feeOn-time70%
Search British Airways 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 Intl?

Deals for London to Belfast Intl flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from London to Belfast Intl.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from London to Belfast Intl, users can toggle the no change fees filter when performing a flight search.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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