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Cheap flights from London to Belfast Intl Airport from £19

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 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
LON — BFS
26 Mar — 2 Apr1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London to Belfast Intl are usually found in January or November, booked 74 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

Cheap flight deals from London to Belfast Intl

Enter your travel dates to find the best prices.

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 24 February 2026.

Mon 9/308:20
LTN
-
BFS
Nonstop1h 20m
easyJet
Tue 10/316:50
BFS
-
LTN
Nonstop1h 10m
easyJet
Deal found 22/2£33
Fri 27/206:05
STN
-
BFS
Nonstop1h 20m
Ryanair
Mon 2/322:20
BFS
-
STN
Nonstop1h 20m
Ryanair
Deal found 22/2£33
Sat 7/307:00
LTN
-
BFS
Nonstop1h 20m
easyJet
Tue 10/320:55
BFS
-
LTN
Nonstop1h 10m
easyJet
Deal found 20/2£33
Mon 2/317:05
STN
-
BFS
Nonstop1h 20m
Ryanair
Mon 2/322:20
BFS
-
STN
Nonstop1h 20m
Ryanair
Deal found 23/2£34
Thu 5/307:00
LTN
-
BFS
Nonstop1h 20m
easyJet
Wed 11/321:00
BFS
-
LTN
Nonstop1h 15m
easyJet
Deal found 21/2£34
Thu 5/308:00
STN
-
BFS
Nonstop1h 20m
Ryanair
Sat 7/323:10
BFS
-
STN
Nonstop1h 20m
Ryanair
Deal found 23/2£35
Sun 22/307:05
LTN
-
BFS
Nonstop1h 20m
easyJet
Sun 29/322:10
BFS
-
LTN
Nonstop1h 10m
easyJet
Deal found 22/2£35
Sun 8/307:30
STN
-
BFS
Nonstop1h 20m
Ryanair
Tue 10/305:45
BFS
-
STN
Nonstop1h 20m
Ryanair
Deal found 23/2£36
Tue 10/307:45
STN
-
BFS
Nonstop1h 20m
Ryanair
Mon 16/322:20
BFS
-
STN
Nonstop1h 20m
Ryanair
Deal found 22/2£36
Thu 26/307:00
LTN
-
BFS
Nonstop1h 20m
easyJet
Sun 29/322:10
BFS
-
LTN
Nonstop1h 10m
easyJet
Deal found 23/2£36
Fri 27/206:05
STN
-
BFS
Nonstop1h 20m
Ryanair
Fri 6/314:30
BFS
-
STN
Nonstop1h 20m
Ryanair
Deal found 24/2£37
Tue 3/315:00
LTN
-
BFS
Nonstop1h 15m
easyJet
Wed 4/308:50
BFS
-
LTN
Nonstop1h 10m
easyJet
Deal found 20/2£37

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 24 February 2026.

Round-trip from

£33

One-way from

£19

Popular in

July

Cheapest in

January

Average price

£61

Good round-trip deal

£39 or less

Good one-way deal

£21 or less
easyJet
  • easyJet
  • 9/3-10/3
  • Nonstop
  • 2h 30m total
  • London to Belfast
Search Deals
Ryanair
  • Ryanair
  • 5/3
  • Nonstop
  • 1h 20m total
  • London to Belfast
Search Deals
Highest demand for flights based on searches. 26% potential increase in price (£18 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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

 
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 24 February 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

LTN - BFS

LTNBFS

London Luton

Thu 26/3

07:00-08:20

Nonstop1h 20m

Belfast Intl

Sun 29/3

22:10-23:20

Nonstop1h 10m

£36

LondonBelfast

LTN - BFS

LTNBFS

London Luton

Sat 14/3

07:00-08:20

Nonstop1h 20m

Belfast Intl

Tue 17/3

20:55-22:05

Nonstop1h 10m

£41

LondonBelfast

LGW - BFS

LGWBFS

London Gatwick

Sat 14/3

06:10-07:40

Nonstop1h 30m

Belfast Intl

Tue 17/3

20:55-22:20

Nonstop1h 25m

£42

LondonBelfast

STN - BFS

STNBFS

London Stansted

Tue 28/4

21:55-23:10

Nonstop1h 15m

Belfast Intl

Wed 29/4

20:10-21:25

Nonstop1h 15m

£44

LondonBelfast

STN - BFS

STNBFS

London Stansted

Thu 26/3

07:50-09:10

Nonstop1h 20m

Belfast Intl

Sun 29/3

07:00-08:20

Nonstop1h 20m

£44

LondonBelfast

STN - BFS

STNBFS

London Stansted

Wed 1/4

07:50-09:10

Nonstop1h 20m

Belfast Intl

Sat 4/4

06:00-07:20

Nonstop1h 20m

£46

LondonBelfast

LGW - BFS

LGWBFS

London Gatwick

Sun 22/3

07:25-08:55

Nonstop1h 30m

Belfast Intl

Tue 24/3

14:15-15:40

Nonstop1h 25m

£48

LondonBelfast

STN - BFS

STNBFS

London Stansted

Tue 10/3

16:40-21:00

1 stop4h 20m

Belfast Intl

Tue 17/3

13:55-15:10

Nonstop1h 15m

£48

LondonBelfast

LTN - BFS

LTNBFS

London Luton

Sat 7/3

07:00-08:20

Nonstop1h 20m

Belfast Intl

Wed 11/3

07:00-08:10

Nonstop1h 10m

£50

LondonBelfast

LTN - BFS

LTNBFS

London Luton

Sun 26/4

08:40-10:00

Nonstop1h 20m

Belfast Intl

Fri 1/5

21:30-22:40

Nonstop1h 10m

£50

Flights are sorted by cheapest return flights first.

Deals found on 21/2

Showing 1-10 of 60 results
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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.

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 return flight from London to Belfast Intl. Price data was last updated on 20 February 2026.

The best time to book flights from London to Belfast Intl Airport is 74 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 £15). Flying from London to Belfast Intl Airport in August is currently the most expensive (average of £39). 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 24 February 2026.

Unlike at midday, when flights are generally more expensive, you can save up to 26% 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 21 February 2026.

Travellers seeking maximum savings on their London to Belfast Intl Airport flight should consider departing on Saturday evenings 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 24 February 2026.

The most flights from LON to BFS are scheduled on a Monday (15 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).

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 24 February 2026.
Get a feel of what it's like to fly with Ryanair, easyJet, andBritish Airways from London to Belfast Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Ryanair
6.9
Okay
5,281 reviews
Check prices

Overall

6.9

Crew

7.5

Entertainment

5.6

Boarding

6.7

Comfort

6.5

Food

6.0

Reviews

1 / 20
2.0
Mediocre

brendan,Sept 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
5,281 reviews
Ryanair
6.9
Okay
5,281 reviews
Check prices

Overall

6.9

Crew

7.5

Entertainment

5.6

Boarding

6.7

Comfort

6.5

Food

6.0

Reviews

1 / 20
2.0
Mediocre

brendan,Sept 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
1,875 reviews
Ryanair
6.9
Okay
5,281 reviews
Check prices

Overall

6.9

Crew

7.5

Entertainment

5.6

Boarding

6.7

Comfort

6.5

Food

6.0

Reviews

1 / 20
2.0
Mediocre

brendan,Sept 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
7,762 reviews
Ryanair
6.9
Okay
5,281 reviews
Check prices

Overall

6.9

Crew

7.5

Entertainment

5.6

Boarding

6.7

Comfort

6.5

Food

6.0

Reviews

1 / 20
2.0
Mediocre

brendan,Sept 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
5,281 reviews
Check prices

Overall

6.9

Crew

7.5

Entertainment

5.6

Boarding

6.7

Comfort

6.5

Food

6.0

Reviews

1 / 20
2.0
Mediocre

brendan,Sept 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.

  • How long is the flight from London to Belfast Intl Airport?

    Airlines like easyJet fly from London to Belfast Intl Airport in about 1h 20m. The time it takes to get you to your destination is usually consistent. The distance between London and Belfast Intl Airport is about 308 mi. All flights are typically direct.

  • 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 £18. Other airlines that can offer you cheap pricing are easyJet, from £26, and Ryanair, from £40. Ryanair is 73% 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?

    £15 is the cheapest one-way deal found within the past few days, from Ryanair. You may also be able to find cheap deals on Ryanair and easyJet, with prices starting from £20 and £21, respectively.

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

    While some choose either London Luton - Belfast Intl or London Heathrow - 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, November is the cheapest month in which you can book a flight from London to Belfast Intl Airport (average of £15). Flying from London to Belfast Intl Airport in August is currently the most expensive (average of £39). 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

Travelling to a place near Belfast Intl Airport?

Book flights to Belfast Intl Airport if you plan to visit one of these locations
Armagh
Newry
Ballymena
Cookstown
Dungannon

Browse thousands of different options on Cheapflights for your next trip

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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 24 February 2026.
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 24 February 2026.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£18Average£61FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
easyJetCheapest£26Average£85FlexibilityNo cancel feeOn-time86%
Search easyJet flights
RyanairCheapest£40Average£73FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
British AirwaysCheapest£84Average£177FlexibilityNo 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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