Price observed over the last 3 months for a round trip.
Compare all flight tickets and find cheap flights from London to Belfast
Today’s flight suggestion for London - Belfast
Outbound 3 December 2026 · Inbound 7 December 2026
Today’s suggestion
08:15
STN 09:35
BFS1h 20m
Direct
06:40
BFS 07:50
LTN1h 10m
Direct
From £36
12:10
LTN 13:30
BFS1h 20m
Direct
21:00
BFS 22:10
LTN1h 10m
Direct
From £38
13:45
STN 17:15
BFS3h 30m
1 stop
06:40
BFS 07:50
LTN1h 10m
Direct
From £70
Cheapest flight
£17
Average price of a round trip
£25
Average price recorded over the last 3 months for a round trip.
Flight duration
1h20
A flight from London to Belfast takes on average 1h20.
Best time
December
According to user searches, the ideal month to go to Belfast is December.
What is the cheapest month for this flight?
Monthly price data (Table View)
November
Nov
£57
December
Dec
£52
January
Jan
£37
February
Feb
£0
March
Mar
£0
April
Apr
£61
May
May
£70
June
Jun
£70
July
Jul
£77
August
Aug
£107
September
Sept
£0
October
Oct
£0
* The prices shown are an average per month of the prices found by Liligo users during the last 30 days.
Tips for finding cheap flights from London to Belfast
Check out our tips for booking your flight to Belfast (United Kingdom) from London (United Kingdom) at the cheapest possible price.
Usually, the cheapest month to pick up a ticket on this route is October, with an average ticket price of £18 (calculation over the last two years). The most touristic season corresponds to the months of December, May and November.
For an attractive price, it is advisable to buy your flight tickets at least 12 days before the departure date.
The airline offering the cheapest tickets is Ryanair UK. A ticket from the company Ryanair UK to Belfast costs on average £24.
The airlines that offer the most flights are Ryanair UK, Easyjet and Ryanair UK.
Price of flight tickets from London to Belfast
Here is some information and tips to know before booking your flight:
- Flight ticket prices range from £17 to £48
- The average price of a flight ticket is about £25
- Prices are lowest for stays in the month of October
- The month in which booking a ticket is cheaper is: October
info departure city :
London, United Kingdom
airports :
London City Airport (LCY)
London Gatwick Airport (LGW)
London Heathrow Airport (LHR)
London Luton Airport (LTN)
London-Stansted Airport (STN)
local time :
London is a city in the country United Kingdom, the time zone is [[timezone]]. In London, it is currently {fromLocalTime}, the temperature is on average 8°C, with a minimum of 5°C and a maximum of 11°C.
The city of London (LON) has 5 airport(s): London City, London Gatwick, London Heathrow, London Luton and London-Stansted
destination info :
Belfast, United Kingdom
airports :
Belfast International Airport (BFS)
Belfast-George Best Airport (BHD)
local time :
Belfast is in the country United Kingdom, the time zone is [[timezone]]. In Belfast, it is currently {toLocalTime}, the temperature is on average 7°C, with a minimum of 4°C and a maximum of 9°C.
The city of Belfast (BFS) has 2 airport(s): Belfast International and Belfast-George Best
Useful info about Belfast
What is the least touristic period to go to Belfast?
If you want to visit Belfast during the least touristic period, choose the month of December.
What is the most popular time to travel to Belfast?
In Belfast, the most touristic month is December. It is during this period that the prices offered by airlines are also the highest.
When should I book my flight London - Belfast?
According to our data, it is recommended to book your flight 12 days before your departure. If you book your flight ticket 2 weeks before your departure, you may find a price below average. The cheapest day to book a flight London - Belfast is Thursday.
What are the arrival and destination airports when travelling between London and Belfast?
When you leave, you can leave from London Luton or London-Stansted, and you will arrive at Belfast International or Belfast-George Best.
How to reach London airport from the city centre?
The airport London City is located 16 km, London Gatwick is located 38 km, London Heathrow is located 35 km, London Luton is located 45 km or London-Stansted is located 49 km from the city centre. You can access it by using public transport, taking a taxi, or renting a car..
Are there other means of transport to go from London to Belfast?
Flights are the only means of transport listed on Liligo for this journey.
Are there big differences in weather between London and Belfast?
In summer, the average temperature is 14°C in Belfast and 18°C in London. The average rainfall in summer is 90 mm in Belfast and 63 mm in London.In summer, it is warmer in London and it rains less in London. In winter, it is colder in London and it rains more in Belfast.
