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Cheap flights from London to Belfast from £15

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Belfast departing on 30/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

easyJet Logo
07:50 - 09:10STN-BFS
1h 20mdirect
easyJet Logo
20:10 - 21:25BFS-STN
1h 15mdirect
£29easyJet
Find Deal
Wed, 3 Sep - Wed, 10 Sep
easyJet Logo
21:55 - 23:10STN-BFS
1h 15mdirect
easyJet Logo
06:00 - 07:20BFS-STN
1h 20mdirect
£30easyJet
Find Deal
Wed, 17 Sep - Wed, 24 Sep
easyJet Logo
07:50 - 09:10STN-BFS
1h 20mdirect
easyJet Logo
20:10 - 21:25BFS-STN
1h 15mdirect
£30easyJet
Find Deal
Wed, 3 Sep - Wed, 10 Sep
Ryanair Logo
17:00 - 18:15STN-BFS
1h 15mdirect
Ryanair Logo
07:25 - 08:45BFS-STN
1h 20mdirect
£31Ryanair
Find Deal
Fri, 10 Oct - Tue, 14 Oct
easyJet Logo
22:20 - 23:35STN-BFS
1h 15mdirect
easyJet Logo
06:45 - 08:05BFS-STN
1h 20mdirect
£32easyJet
Find Deal
Fri, 26 Sep - Tue, 30 Sep
easyJet Logo
07:50 - 09:10STN-BFS
1h 20mdirect
easyJet Logo
06:00 - 07:20BFS-STN
1h 20mdirect
£32easyJet
Find Deal
Wed, 10 Sep - Wed, 17 Sep
easyJet Logo
07:05 - 08:25LTN-BFS
1h 20mdirect
easyJet Logo
15:35 - 16:45BFS-LTN
1h 10mdirect
£32easyJet
Find Deal
Sat, 27 Sep - Sat, 4 Oct
Ryanair Logo
21:20 - 22:35STN-BFS
1h 15mdirect
Ryanair Logo
07:25 - 08:45BFS-STN
1h 20mdirect
£33Ryanair
Find Deal
Sat, 20 Sep - Tue, 23 Sep
Ryanair Logo
06:45 - 08:00STN-BFS
1h 15mdirect
Ryanair Logo
23:30 - 00:50BFS-STN
1h 20mdirect
£35Ryanair
Find Deal
Sun, 28 Sep - Sun, 5 Oct
Logo
07:50 - 09:10STN-BFS
1h 20mdirect
Logo
22:05 - 23:25BFS-STN
1h 20mdirect
£48
Find Deal
Wed, 3 Sep - Wed, 10 Sep

easyJet flights from London to Belfast Intl Airport

Our best easyJet deals on London to Belfast Intl Airport flight tickets
easyJet
3 Sept
STN07:50London Stansted
1h 20m
BFS09:10Belfast Intl
10 Sept
BFS20:10Belfast Intl
1h 15m
STN21:25London Stansted
£29
Find similar
easyJet
17 Sept
STN21:55London Stansted
1h 15m
BFS23:10Belfast Intl
24 Sept
BFS06:00Belfast Intl
1h 20m
STN07:20London Stansted
£30
Find similar
easyJet
3 Sept
STN07:50London Stansted
1h 20m
BFS09:10Belfast Intl
10 Sept
BFS20:10Belfast Intl
1h 15m
STN21:25London Stansted
£30
Find similar

Ryanair flights from London to Belfast Intl Airport

Our best Ryanair deals on London to Belfast Intl Airport flight tickets
Ryanair
10 Oct
STN17:00London Stansted
1h 15m
BFS18:15Belfast Intl
14 Oct
BFS07:25Belfast Intl
1h 20m
STN08:45London Stansted
£31
Find similar
Ryanair
20 Sept
STN21:20London Stansted
1h 15m
BFS22:35Belfast Intl
23 Sept
BFS07:25Belfast Intl
1h 20m
STN08:45London Stansted
£33
Find similar
Ryanair
28 Sept
STN06:45London Stansted
1h 15m
BFS08:00Belfast Intl
5 Oct
BFS23:30Belfast Intl
1h 20m
STN00:50London Stansted
£35
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London to Belfast Intl Airport 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, momondo users made 279,928 searches. Data last updated 15 August 2025.
Use the filters below to find and compare flights from London to Belfast Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonBelfast

STN - BFS

STNBFS

London Stansted

Wed 3/9

07:50-09:10

Nonstop1h 20m

Belfast Intl

Wed 10/9

20:10-21:25

Nonstop1h 15m

£29

LondonBelfast

STN - BFS

STNBFS

London Stansted

Wed 17/9

21:55-23:10

Nonstop1h 15m

Belfast Intl

Wed 24/9

06:00-07:20

Nonstop1h 20m

£30

LondonBelfast

STN - BFS

STNBFS

London Stansted

Wed 3/9

07:50-09:10

Nonstop1h 20m

Belfast Intl

Wed 10/9

20:10-21:25

Nonstop1h 15m

£30

LondonBelfast

STN - BFS

STNBFS

London Stansted

Fri 10/10

17:00-18:15

Nonstop1h 15m

Belfast Intl

Tue 14/10

07:25-08:45

Nonstop1h 20m

£31

LondonBelfast

STN - BFS

STNBFS

London Stansted

Fri 26/9

22:20-23:35

Nonstop1h 15m

Belfast Intl

Tue 30/9

06:45-08:05

Nonstop1h 20m

£32

LondonBelfast

STN - BFS

STNBFS

London Stansted

Wed 10/9

07:50-09:10

Nonstop1h 20m

Belfast Intl

Wed 17/9

06:00-07:20

Nonstop1h 20m

£32

LondonBelfast

LTN - BFS

LTNBFS

London Luton

Sat 27/9

07:05-08:25

Nonstop1h 20m

Belfast Intl

Sat 4/10

15:35-16:45

Nonstop1h 10m

£32

LondonBelfast

STN - BFS

STNBFS

London Stansted

Sat 20/9

21:20-22:35

Nonstop1h 15m

Belfast Intl

Tue 23/9

07:25-08:45

Nonstop1h 20m

£33

LondonBelfast

STN - BFS

STNBFS

London Stansted

Sun 28/9

06:45-08:00

Nonstop1h 15m

Belfast Intl

Sun 5/10

23:30-00:50

Nonstop1h 20m

£35

LondonBelfast

STN - BFS

STNBFS

London Stansted

Wed 3/9

07:50-09:10

Nonstop1h 20m

Belfast Intl

Wed 10/9

22:05-23:25

Nonstop1h 20m

£48

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to Belfast from

How to get the cheapest flight ticket from London to Belfast Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between London and Belfast Intl Airport?

What is the cheapest month to fly to Belfast Intl Airport?

The month of January is, on average, the cheapest month to fly to Belfast Intl Airport from London, with most prices found around £38. If you’re not able to fly to Belfast Intl Airport in January, then March is your next best option. Flight prices from London to Belfast Intl Airport during March average around £45.

What is the cheapest day to depart on your flight to Belfast Intl Airport?

The cheapest day to depart from London to Belfast Intl Airport is on a Wednesday when prices can be found for as low as £61. The most expensive day to fly to Belfast Intl Airport is Friday, with ticket prices averaging around £71.

What is the cheapest time of day to depart on your flight to Belfast Intl Airport?

The cheapest time of day to fly to Belfast Intl Airport is in the morning when flights can be purchased for as low as £84. In the afternoon is when there is more demand to fly to Belfast Intl Airport, so prices are often more expensive at around £107 per ticket.

What is the cheapest London to Belfast Intl flight route?

Fly from London Gatwick to Belfast Intl for the best London - Belfast Intl flight prices

How far in advance should I book a flight to Belfast Intl Airport?

You are more likely to see cheaper flights to Belfast Intl Airport from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Belfast Intl Airport for around £126 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Belfast Intl Airport from London for as low as £86 on momondo.

What cabin class options are available on London to Belfast Intl flights?

There are 1 cabin classes available to choose from on London to Belfast Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have London to Belfast Intl Airport flight prices changed over time?

As of August 2025, prices for London to Belfast Intl Airport flights are approximately 50% more expensive when compared to flights at the same time last year.

When to book flights from London to Belfast Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from London to Belfast Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London to Belfast Intl Airport (LON to BFS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to Belfast Intl Airport

Best price found

£15

Fastest flight time

1h 15m

Direct flights

Every day
The best one-way flight to Belfast Intl Airport from London in the past 72 hours is £15. The best return flight deal from London to Belfast Intl Airport found on momondo in the last 72 hours is £29.
The fastest flight from London to Belfast Intl Airport takes 1h 15m
Direct flights go from London to Belfast Intl Airport every day.
Search flight deals

  • How far is London to Belfast Intl by plane?

    London and Belfast Intl are 333.5 mi apart from one another. In terms of flight time, this usually takes a little over 1h 15m.

  • When did momondo last update prices for flights from London to Belfast Intl Airport?

    Prices for flights from London to Belfast Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from London to Belfast Intl Airport?

  • How old do you have to be to fly from London to Belfast Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Belfast Intl Airport.

  • What documentation or ID do you need to fly to Belfast Intl Airport?

    The required travel and health documents for your Belfast Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Belfast Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from London to Belfast Intl Airport?

  • What is the most popular airline from London to Belfast Intl Airport?

Best airlines flying from London to Belfast Intl Airport

Compare and see reviews for airlines that fly from London to Belfast Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
RyanairPriceFrom £29Free CancellationRating
6.2
109 reviews
Search Ryanair flights
easyJetPriceFrom £29Free CancellationRating
6.9
1,821 reviews
Search easyJet flights
RyanairPriceFrom £43Free CancellationRating
6.8
5,153 reviews
Search Ryanair flights
British AirwaysPriceFrom £78Free CancellationRating
6.6
7,267 reviews
Search British Airways flights

  • easyJet Flights From London to Belfast Intl Airport

    The lowest priced easyJet flight from London to Belfast Intl Airport from the last 72 hours was £39. Generally, easyJet has 25 flights on this route every week with an average price of £94. easyJet is rated 6.9/10 by our users.

  • Ryanair Flights From London to Belfast Intl Airport

    Ryanair (6.2/10 from 109 reviews) operates around 4 flights from London to Belfast Intl Airport in any given week. The average Ryanair airfare for this route is around £78, with deals from around £39 rare but found on momondo. Referenced prices are for round-trip London to Belfast Intl Airport flight searches in the last 72 hours.

Travelling to a place near Belfast?

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

Why use momondo?

Why should I use momondo to find a flight deal from London to Belfast?

Finding the right flight to Belfast from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Belfast quick and easy, saving you time and money.

Can I find flights from London to Belfast with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Belfast from London with this policy.

How can momondo help me find flights from London to Belfast?

Once all potential London to Belfast flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from London to Belfast right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Belfast, momondo offers a useful price alert feature which will track prices for flights to Belfast from London and alert you when they change.

An easier way to manage your Belfast Intl Airport trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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