Cheap flights from Belfast to London from £18

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 to London departing on 15/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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easyJet Logo
21:05 - 22:15BFS-LTN
1h 10mdirect
easyJet Logo
07:00 - 08:20LTN-BFS
1h 20mdirect
£40easyJet
Find Deal
Fri, 12 Dec - Mon, 15 Dec
easyJet Logo
20:50 - 22:15BFS-LGW
1h 25mdirect
easyJet Logo
06:40 - 08:20LGW-BFS
1h 40mdirect
£40easyJet
Find Deal
Wed, 24 Dec - Fri, 2 Jan
easyJet Logo
06:00 - 07:20BFS-STN
1h 20mdirect
easyJet Logo
07:50 - 09:10STN-BFS
1h 20mdirect
£40easyJet
Find Deal
Thu, 27 Nov - Mon, 1 Dec
easyJet Logo
07:25 - 08:55BHD-LGW
1h 30mdirect
easyJet Logo
12:05 - 13:35LGW-BHD
1h 30mdirect
£40easyJet
Find Deal
Wed, 14 Jan - Wed, 14 Jan
easyJet Logo
21:00 - 22:10BFS-LTN
1h 10mdirect
easyJet Logo
07:05 - 08:25LTN-BFS
1h 20mdirect
£40easyJet
Find Deal
Thu, 27 Nov - Sun, 30 Nov
Ryanair Logo
23:10 - 00:30BFS-STN
1h 20mdirect
Ryanair Logo
20:35 - 21:55STN-BFS
1h 20mdirect
£45Ryanair
Find Deal
Sat, 13 Dec - Mon, 15 Dec
Multiple Airlines Logo
06:00 - 07:20BFS-STN
1h 20mdirect
Multiple Airlines Logo
10:35 - 11:55STN-BFS
1h 20mdirect
£48Multiple Airlines
Find Deal
Thu, 11 Dec - Sat, 13 Dec
Multiple Airlines Logo
06:00 - 07:20BFS-STN
1h 20mdirect
Multiple Airlines Logo
06:05 - 07:25STN-BFS
1h 20mdirect
£49Multiple Airlines
Find Deal
Thu, 4 Dec - Fri, 5 Dec
British Airways Logo
06:30 - 08:05BHD-LHR
1h 35mdirect
British Airways Logo
07:00 - 08:25LHR-BHD
1h 25mdirect
£85British Airways
Find Deal
Sun, 22 Feb - Wed, 25 Feb
British Airways Logo
06:30 - 08:05BHD-LHR
1h 35mdirect
British Airways Logo
07:00 - 08:25LHR-BHD
1h 25mdirect
£86British Airways
Find Deal
Sun, 22 Feb - Wed, 25 Feb

British Airways flights from Belfast to London

Our best British Airways deals on Belfast to London flight tickets
British Airways
22 Feb
BHD09:10Belfast City
1h 30m
LHR10:40London Heathrow
8 Mar
LHR06:50London Heathrow
1h 25m
BHD08:15Belfast City
British Airways
8 Feb
BHD06:30Belfast City
1h 35m
LHR08:05London Heathrow
10 Feb
LHR06:15London Heathrow
1h 25m
BHD07:40Belfast City
British Airways
15 Jan
BHD06:35Belfast City
1h 35m
LHR08:10London Heathrow
19 Jan
LHR07:00London Heathrow
1h 25m
BHD08:25Belfast City

KLM flights from Belfast to London

Our best KLM deals on Belfast to London flight tickets
KLM
10 Dec
BHD06:30Belfast City
10h 50m
1 stop
LCY17:20London City
17 Dec
LCY09:20London City
7h 30m
1 stop
BHD16:50Belfast City
KLM
18 Nov
BHD06:30Belfast City
10h 30m
1 stop
LHR17:00London Heathrow
22 Nov
LHR14:05London Heathrow
6h 55m
1 stop
BHD21:00Belfast City

momondo Fare Finder

 
Customise your flight search to find flights from Belfast 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 14 November 2025.
Use the filters below to find and compare flights from Belfast to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BelfastLondon

BFS - LTN

BFSLTN

Belfast Intl

Fri 12/12

21:05-22:15

Nonstop1h 10m

London Luton

Mon 15/12

07:00-08:20

Nonstop1h 20m

£40

BelfastLondon

BFS - LGW

BFSLGW

Belfast Intl

Wed 24/12

20:50-22:15

Nonstop1h 25m

London Gatwick

Fri 2/1

06:40-08:20

Nonstop1h 40m

£40

BelfastLondon

BFS - STN

BFSSTN

Belfast Intl

Thu 27/11

06:00-07:20

Nonstop1h 20m

London Stansted

Mon 1/12

07:50-09:10

Nonstop1h 20m

£40

BelfastLondon

BHD - LGW

BHDLGW

Belfast City

Wed 14/1

07:25-08:55

Nonstop1h 30m

London Gatwick

Wed 14/1

12:05-13:35

Nonstop1h 30m

£40

BelfastLondon

BFS - LTN

BFSLTN

Belfast Intl

Thu 27/11

21:00-22:10

Nonstop1h 10m

London Luton

Sun 30/11

07:05-08:25

Nonstop1h 20m

£40

BelfastLondon

BFS - STN

BFSSTN

Belfast Intl

Sat 13/12

23:10-00:30

Nonstop1h 20m

London Stansted

Mon 15/12

20:35-21:55

Nonstop1h 20m

£45

BelfastLondon

BFS - STN

BFSSTN

Belfast Intl

Thu 11/12

06:00-07:20

Nonstop1h 20m

London Stansted

Sat 13/12

10:35-11:55

Nonstop1h 20m

£48

BelfastLondon

BFS - STN

BFSSTN

Belfast Intl

Thu 4/12

06:00-07:20

Nonstop1h 20m

London Stansted

Fri 5/12

06:05-07:25

Nonstop1h 20m

£49

BelfastLondon

BHD - LHR

BHDLHR

Belfast City

Sun 22/2

06:30-08:05

Nonstop1h 35m

London Heathrow

Wed 25/2

07:00-08:25

Nonstop1h 25m

£85

BelfastLondon

BHD - LHR

BHDLHR

Belfast City

Sun 22/2

06:30-08:05

Nonstop1h 35m

London Heathrow

Wed 25/2

07:00-08:25

Nonstop1h 25m

£86

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 London from

How to get the cheapest flight ticket from Belfast 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 and London?

What is the cheapest month to fly to London?

The cheapest month to fly to London from Belfast 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 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 £70. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Belfast 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 £105. Flights in the afternoon are often more expensive, with an average ticket price of £567.

What is the cheapest Belfast to London flight route?

Fly from Belfast Intl to London Stansted for the best Belfast - 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 when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around £124 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 for as low as £94 on momondo.

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

There are 3 cabin classes available to choose from on Belfast to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Belfast to London flight deals and tips

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

Fastest flight time

1h 05m

Direct flights

Every day

Airports in London

1 airport
The fastest flight from Belfast to London takes 1h 05m
Direct flights go from Belfast to London every day.
There is 1 airport near London: London Luton (LTN)
  • How far is Belfast to London by plane?

    There are 322.0 mi between Belfast and London. In terms of flight time, this usually takes a little over 1h 10m.

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

    Prices for flights from Belfast to London are updated daily.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Belfast to London.

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

    The travel and health documents required for your trip to London can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Belfast to London

Compare and see reviews for airlines that fly from Belfast to London with momondo
Airline
Rating
Free Cancellation
Price
RyanairPriceFrom £21Free CancellationRating
6.3
115 reviews
Search Ryanair flights
easyJetPriceFrom £28Free CancellationRating
6.9
1,842 reviews
Search easyJet flights
RyanairPriceFrom £49Free CancellationRating
6.8
5,191 reviews
Search Ryanair flights
British AirwaysPriceFrom £78Free CancellationRating
6.7
7,521 reviews
Search British Airways flights
LoganairPriceFrom £136Free CancellationRating
0.0
0 reviews
Search Loganair flights
Aer LingusPriceFrom £176Free CancellationRating
7.2
1,370 reviews
Search Aer Lingus flights

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
Dover
Colchester
Chelmsford
Hayes
Worthing
Ramsgate
Dartford
Bedford
Winchester

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?

All flight searches from Belfast to London on momondo can be filtered to show those which offer flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Belfast to London.

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

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

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1 adult
Sun 14/12
Sun 21/12

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