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Cheap flights from Belfast Intl Airport to London from £20

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Belfast Intl Airport to London departing on 21/10. 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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Find the cheapest flights from Belfast Intl Airport to London

Cheap return flights

Enter your travel dates to find the best prices.
easyJet Logo
08:50 - 10:00BFS-LTN
1h 10mdirect
easyJet Logo
07:00 - 08:20LTN-BFS
1h 20mdirect
£38easyJet
Find Deal
Tue, 11 Nov - Tue, 18 Nov
easyJet Logo
18:25 - 19:40BFS-STN
1h 15mdirect
easyJet Logo
07:50 - 09:10STN-BFS
1h 20mdirect
£38easyJet
Find Deal
Tue, 18 Nov - Mon, 24 Nov
easyJet Logo
06:40 - 07:50BFS-LTN
1h 10mdirect
easyJet Logo
08:20 - 09:40LTN-BFS
1h 20mdirect
£38easyJet
Find Deal
Mon, 24 Nov - Mon, 1 Dec
Ryanair Logo
23:10 - 00:30BFS-STN
1h 20mdirect
Ryanair Logo
07:30 - 08:50STN-BFS
1h 20mdirect
£39Ryanair
Find Deal
Sat, 1 Nov - Sun, 2 Nov
easyJet Logo
19:45 - 20:55BFS-LTN
1h 10mdirect
easyJet Logo
08:20 - 09:40LTN-BFS
1h 20mdirect
£40easyJet
Find Deal
Sat, 15 Nov - Mon, 17 Nov
Ryanair Logo
23:10 - 00:30BFS-STN
1h 20mdirect
Ryanair Logo
07:45 - 09:05STN-BFS
1h 20mdirect
£41Ryanair
Find Deal
Sat, 1 Nov - Tue, 4 Nov
Ryanair Logo
23:10 - 00:30BFS-STN
1h 20mdirect
Ryanair Logo
10:35 - 11:55STN-BFS
1h 20mdirect
£44Ryanair
Find Deal
Sat, 8 Nov - Sat, 15 Nov
Ryanair Logo
07:50 - 09:10BFS-STN
1h 20mdirect
Ryanair Logo
20:35 - 21:55STN-BFS
1h 20mdirect
£49Ryanair
Find Deal
Mon, 3 Nov - Mon, 3 Nov
Multiple Airlines Logo
06:00 - 07:20BFS-STN
1h 20mdirect
Multiple Airlines Logo
17:05 - 18:25STN-BFS
1h 20mdirect
£50Multiple Airlines
Find Deal
Mon, 10 Nov - Mon, 17 Nov
Multiple Airlines Logo
15:50 - 17:05BFS-STN
1h 15mdirect
Multiple Airlines Logo
07:30 - 08:50STN-BFS
1h 20mdirect
£63Multiple Airlines
Find Deal
Fri, 21 Nov - Sun, 23 Nov

easyJet flights from Belfast Intl Airport to London

Our best easyJet deals on Belfast Intl Airport to London flight tickets
easyJet
18 Nov
BFS18:25Belfast Intl
1h 15m
STN19:40London Stansted
24 Nov
STN07:50London Stansted
1h 20m
BFS09:10Belfast Intl
£38
Find similar
easyJet
24 Nov
BFS06:40Belfast Intl
1h 10m
LTN07:50London Luton
1 Dec
LTN08:20London Luton
1h 20m
BFS09:40Belfast Intl
£38
Find similar
easyJet
15 Nov
BFS19:45Belfast Intl
1h 10m
LTN20:55London Luton
17 Nov
LTN08:20London Luton
1h 20m
BFS09:40Belfast Intl
£40
Find similar

Ryanair flights from Belfast Intl Airport to London

Our best Ryanair deals on Belfast Intl Airport to London flight tickets
Ryanair
1 Nov
BFS23:10Belfast Intl
1h 20m
STN00:30London Stansted
2 Nov
STN07:30London Stansted
1h 20m
BFS08:50Belfast Intl
£39
Find similar
Ryanair
16 Oct
BFS06:00Belfast Intl
1h 20m
STN07:20London Stansted
23 Oct
STN07:45London Stansted
1h 15m
BFS09:00Belfast Intl
£40
Find similar
Ryanair
1 Nov
BFS23:10Belfast Intl
1h 20m
STN00:30London Stansted
4 Nov
STN07:45London Stansted
1h 20m
BFS09:05Belfast Intl
£41
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Belfast Intl Airport to London 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 October 2025.
Use the filters below to find and compare flights from Belfast Intl Airport to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BelfastLondon

BFS - LTN

BFSLTN

Belfast Intl

Tue 11/11

08:50-10:00

Nonstop1h 10m

London Luton

Tue 18/11

07:00-08:20

Nonstop1h 20m

£38

BelfastLondon

BFS - STN

BFSSTN

Belfast Intl

Tue 18/11

18:25-19:40

Nonstop1h 15m

London Stansted

Mon 24/11

07:50-09:10

Nonstop1h 20m

£38

BelfastLondon

BFS - LTN

BFSLTN

Belfast Intl

Mon 24/11

06:40-07:50

Nonstop1h 10m

London Luton

Mon 1/12

08:20-09:40

Nonstop1h 20m

£38

BelfastLondon

BFS - STN

BFSSTN

Belfast Intl

Sat 1/11

23:10-00:30

Nonstop1h 20m

London Stansted

Sun 2/11

07:30-08:50

Nonstop1h 20m

£39

BelfastLondon

BFS - LTN

BFSLTN

Belfast Intl

Sat 15/11

19:45-20:55

Nonstop1h 10m

London Luton

Mon 17/11

08:20-09:40

Nonstop1h 20m

£40

BelfastLondon

BFS - STN

BFSSTN

Belfast Intl

Sat 1/11

23:10-00:30

Nonstop1h 20m

London Stansted

Tue 4/11

07:45-09:05

Nonstop1h 20m

£41

BelfastLondon

BFS - STN

BFSSTN

Belfast Intl

Sat 8/11

23:10-00:30

Nonstop1h 20m

London Stansted

Sat 15/11

10:35-11:55

Nonstop1h 20m

£44

BelfastLondon

BFS - STN

BFSSTN

Belfast Intl

Mon 3/11

07:50-09:10

Nonstop1h 20m

London Stansted

Mon 3/11

20:35-21:55

Nonstop1h 20m

£49

BelfastLondon

BFS - STN

BFSSTN

Belfast Intl

Mon 10/11

06:00-07:20

Nonstop1h 20m

London Stansted

Mon 17/11

17:05-18:25

Nonstop1h 20m

£50

BelfastLondon

BFS - STN

BFSSTN

Belfast Intl

Fri 21/11

15:50-17:05

Nonstop1h 15m

London Stansted

Sun 23/11

07:30-08:50

Nonstop1h 20m

£63

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to London from

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

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 Belfast Intl Airport and London?

What is the cheapest month to fly to London?

The cheapest month to fly to London from Belfast Intl Airport is in January. Flight prices, which tend to average around £43, are often lower during this time because this is during the off-season. The month of March is another great option to travel to London, with average flight prices from Belfast Intl Airport averaging around £44.

What is the cheapest day to depart on your flight to London?

Our data shows that Thursday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £69. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Belfast Intl Airport to London for around £80.

What is the cheapest time of day to depart on your flight to London?

The cheapest time of day to fly to London is in the evening when flights can be purchased for as low as £102. Flights in the afternoon are often more expensive, with an average ticket price of £566.

What is the cheapest Belfast Intl to London flight route?

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

How far in advance should I book a flight to London?

You are more likely to see cheaper flights to London from Belfast Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around £122 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Belfast Intl Airport for as low as £93 on momondo.

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

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

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

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

When to book flights from Belfast Intl Airport to London

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

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

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

Best price found

£25

Fastest flight time

1h 10m

Direct flights

Every day

Airports in London

1 airport
The best one-way flight to London from Belfast Intl Airport in the past 72 hours is £25. The best return flight deal from Belfast Intl Airport to London found on momondo in the last 72 hours is £38.
The fastest flight from Belfast Intl Airport to London takes 1h 10m
Direct flights go from Belfast Intl Airport to London every day.
There is 1 airport near London: London Luton (LTN)
Search flight deals

  • How far is Belfast Intl to London by plane?

    London is 333.5 mi away from Belfast Intl. By plane, this route typically takes 1h 10m.

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

    Prices for flights from Belfast Intl Airport to London refresh daily.

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

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

    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 Belfast Intl Airport to London.

  • What documentation or ID do you need to fly to London?

    The necessary travel and health documents for your London trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

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

Best airlines flying from Belfast Intl Airport to London

Compare and see reviews for airlines that fly from Belfast Intl Airport to London with momondo
Airline
Rating
Free Cancellation
Price
RyanairPriceFrom £26Free CancellationRating
6.3
114 reviews
Search Ryanair flights
easyJetPriceFrom £30Free CancellationRating
6.9
1,835 reviews
Search easyJet flights
RyanairPriceFrom £48Free CancellationRating
6.8
5,179 reviews
Search Ryanair flights
British AirwaysPriceFrom £77Free CancellationRating
6.7
7,457 reviews
Search British Airways flights

  • easyJet Flights From Belfast Intl Airport to London

    easyJet operates around 33 flights from Belfast Intl Airport to London every week. The average price of these flights found in the last 72 hours has been £106, but momondo users have found easyJet deals from Belfast Intl Airport to London from as low as £40 round-trip. easyJet has been scored 6.9/10 in 1,835 reviews.

  • Ryanair Flights From Belfast Intl Airport to London

    The best Ryanair deal for Belfast Intl Airport to London flight tickets found on momondo in the last 72 hours was £35, round-trip. It should be noted that an average Ryanair flight deal for this route in this time was higher, at £72 round-trip. Ryanair operates 6 flights out of Belfast Intl Airport into London in an average week, so prices vary by time and availability. 114 Ryanair reviews by users on momondo have scored the airline at 6.3/10.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Gatwick
Maidstone
Slough
Canterbury
Southend-on-Sea
Ipswich
Ilford
Guildford
Colchester
Dover
Hayes
Chelmsford
Worthing
Dartford
Bedford
Ramsgate
Stansted

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Belfast to London for you.

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

Flights from Belfast to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential Belfast to London 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 Belfast to London right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Belfast to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London
London City Airport
London Gatwick Airport
London Heathrow Airport
London Luton Airport
London Southend Airport
London Stansted Airport