Cheap flights from London to Belfast from £38

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 31/8. 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

Ryanair Logo
19:45 - 21:05STN-BFS
1h 20mdirect
Ryanair Logo
05:45 - 07:05BFS-STN
1h 20mdirect
£47Ryanair
Find Deal
fre., 16 jan. - søn., 18 jan.
easyJet Logo
05:55 - 07:30LGW-BFS
1h 35mdirect
easyJet Logo
21:05 - 22:30BFS-LGW
1h 25mdirect
£48easyJet
Find Deal
tor., 11 sep. - ons., 17 sep.
 Logo
07:45 - 09:00STN-BFS
1h 15mdirect
 Logo
20:05 - 21:20BFS-STN
1h 15mdirect
tor., 2 okt. - tor., 9 okt.
easyJet Logo
06:10 - 07:40LGW-BFS
1h 30mdirect
easyJet Logo
21:05 - 22:30BFS-LGW
1h 25mdirect
£49easyJet
Find Deal
tir., 16 sep. - ons., 17 sep.
easyJet Logo
17:25 - 21:55STN-BFS
4h 30m1 stop
easyJet Logo
20:05 - 21:20BFS-STN
1h 15mdirect
£49easyJet
Find Deal
tir., 16 sep. - tor., 18 sep.
easyJet Logo
18:05 - 19:20LTN-BHD
1h 15mdirect
easyJet Logo
10:05 - 11:15BHD-LTN
1h 10mdirect
£49easyJet
Find Deal
tor., 13 nov. - man., 17 nov.
easyJet Logo
13:05 - 14:20LTN-BFS
1h 15mdirect
easyJet Logo
20:15 - 21:25BFS-LTN
1h 10mdirect
£49easyJet
Find Deal
tir., 21 okt. - fre., 24 okt.
Ryanair Logo
08:40 - 09:55STN-BFS
1h 15mdirect
Ryanair Logo
21:40 - 23:00BFS-STN
1h 20mdirect
£50Ryanair
Find Deal
lør., 13 sep. - fre., 19 sep.
British Airways Logo
18:10 - 19:35LHR-BHD
1h 25mdirect
British Airways Logo
06:35 - 08:00BHD-LHR
1h 25mdirect
£84British Airways
Find Deal
tir., 30 sep. - tir., 7 okt.
British Airways Logo
07:00 - 08:25LHR-BHD
1h 25mdirect
British Airways Logo
10:40 - 12:10BHD-LHR
1h 30mdirect
£85British Airways
Find Deal
man., 10 nov. - tor., 13 nov.

easyJet flights from London to Belfast

Our best easyJet deals on London to Belfast flight tickets
easyJet
11 Sept
LGW05:55London Gatwick
1h 35m
BFS07:30Belfast Intl
17 Sept
BFS21:05Belfast Intl
1h 25m
LGW22:30London Gatwick
easyJet
16 Sept
LGW06:10London Gatwick
1h 30m
BFS07:40Belfast Intl
17 Sept
BFS21:05Belfast Intl
1h 25m
LGW22:30London Gatwick
easyJet
30 Sept
LGW06:10London Gatwick
1h 30m
BFS07:40Belfast Intl
2 Oct
BFS20:10Belfast Intl
1h 30m
LGW21:40London Gatwick

Ryanair flights from London to Belfast

Our best Ryanair deals on London to Belfast flight tickets
Ryanair
16 Jan
STN19:45London Stansted
1h 20m
BFS21:05Belfast Intl
18 Jan
BFS05:45Belfast Intl
1h 20m
STN07:05London Stansted
Ryanair
13 Sept
STN08:40London Stansted
1h 15m
BFS09:55Belfast Intl
19 Sept
BFS21:40Belfast Intl
1h 20m
STN23:00London Stansted
Ryanair
14 Sept
STN06:45London Stansted
1h 15m
BFS08:00Belfast Intl
20 Sept
BFS19:35Belfast Intl
1h 20m
STN20:55London Stansted

momondo Fare Finder

 
Customise your flight search to find flights from London to Belfast 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 19 august 2025.
Use the filters below to find and compare flights from London to Belfast that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonBelfast

STN - BFS

STNBFS

London Stansted

fre. 16/1

19:45-21:05

Nonstop1h 20m

Belfast Intl

søn. 18/1

05:45-07:05

Nonstop1h 20m

£47

LondonBelfast

LGW - BFS

LGWBFS

London Gatwick

tor. 11/9

05:55-07:30

Nonstop1h 35m

Belfast Intl

ons. 17/9

21:05-22:30

Nonstop1h 25m

£48

LondonBelfast

STN - BFS

STNBFS

London Stansted

tor. 2/10

07:45-09:00

Nonstop1h 15m

Belfast Intl

tor. 9/10

20:05-21:20

Nonstop1h 15m

£48

LondonBelfast

LGW - BFS

LGWBFS

London Gatwick

tir. 16/9

06:10-07:40

Nonstop1h 30m

Belfast Intl

ons. 17/9

21:05-22:30

Nonstop1h 25m

£49

LondonBelfast

STN - BFS

STNBFS

London Stansted

tir. 16/9

17:25-21:55

1 stop4h 30m

Belfast Intl

tor. 18/9

20:05-21:20

Nonstop1h 15m

£49

LondonBelfast

LTN - BHD

LTNBHD

London Luton

tor. 13/11

18:05-19:20

Nonstop1h 15m

Belfast City

man. 17/11

10:05-11:15

Nonstop1h 10m

£49

LondonBelfast

LTN - BFS

LTNBFS

London Luton

tir. 21/10

13:05-14:20

Nonstop1h 15m

Belfast Intl

fre. 24/10

20:15-21:25

Nonstop1h 10m

£49

LondonBelfast

STN - BFS

STNBFS

London Stansted

lør. 13/9

08:40-09:55

Nonstop1h 15m

Belfast Intl

fre. 19/9

21:40-23:00

Nonstop1h 20m

£50

LondonBelfast

LHR - BHD

LHRBHD

London Heathrow

tir. 30/9

18:10-19:35

Nonstop1h 25m

Belfast City

tir. 7/10

06:35-08:00

Nonstop1h 25m

£84

LondonBelfast

LHR - BHD

LHRBHD

London Heathrow

man. 10/11

07:00-08:25

Nonstop1h 25m

Belfast City

tor. 13/11

10:40-12:10

Nonstop1h 30m

£85

Flights are sorted by cheapest return flights first.

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

How to get the cheapest flight ticket from London to Belfast

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?

What is the cheapest month to fly to Belfast?

The cheapest month to fly to Belfast from London is in January. Flight prices, which tend to average around £38, are often lower during this time because this is during the off-season. If you aren’t able to travel to Belfast during the month of January, then flying in March is also cheap. Prices for this month can be found on momondo for an average of £45.

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

The cheapest day to depart on your flight to Belfast is on a Wednesday when prices can be found for as low as £61. This is often the case because there is less demand to fly during this day of the week. Flights from London to Belfast on a Friday will generally be more expensive and average around £71. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

The cheapest time of day to fly to Belfast is in the morning when flights can be purchased for as low as £84. Flights to Belfast are more costly in the afternoon, with an average ticket price of £107. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest London to Belfast flight route?

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

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

You are more likely to see cheaper flights to Belfast from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Belfast 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 from London for as low as £86 on momondo.

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

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

Cheap London to Belfast flight deals and tips

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

Best price found

£38

Fastest flight time

1h 15m

Direct flights

Every day

Airports in Belfast

2 airports
The best one-way flight to Belfast from London in the past 72 hours is £38. The best return flight deal from London to Belfast found on momondo in the last 72 hours is £47.
The fastest flight from London to Belfast takes 1h 15m
Direct flights go from London to Belfast every day.
There are 2 airports near Belfast: Belfast Intl (BFS), Belfast City (BHD)
  • How far is London to Belfast by plane?

    There are 322.0 mi between London and Belfast. 1h 15m is a normal flight duration for this route.

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

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

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

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

    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 London to Belfast.

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

    The required travel and health documents for your Belfast 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. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from London to Belfast

Compare and see reviews for airlines that fly from London to Belfast with momondo
Airline
Rating
Free Cancellation
Price
RyanairPriceFrom £29Free CancellationRating
6.2
110 reviews
Search Ryanair flights
easyJetPriceFrom £29Free CancellationRating
6.9
1,820 reviews
Search easyJet flights
RyanairPriceFrom £43Free CancellationRating
6.8
5,153 reviews
Search Ryanair flights
British AirwaysPriceFrom £78Free CancellationRating
6.7
7,283 reviews
Search British Airways flights
LoganairPriceFrom £128Free CancellationRating
8.5
18 reviews
Search Loganair flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to Belfast. momondo saves you time and could save you money on your trip.

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

Flights from London to Belfast 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 London to Belfast?

momondo helps you find the best flight between London and Belfast by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of London to Belfast flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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1 adult
søn. 24/8
søn. 31/8

Find better results for your trip to the United Kingdom

Fly into one of these airports located in Belfast

Airports listed have a maximum distance of 12.2 mi from Belfast