Cheap Flights from London to Belfast International

Compare London to Belfast International flight deals

Find the cheapest month or even day of the year to fly to Belfast International

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Flight deals from London to Belfast International

Looking for a cheap last-minute deal or the best return flight from London to Belfast International? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from London to Belfast International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London to Belfast International flights are currently cheapest in October.

Direct flights from London to Belfast International

London to Belfast International: Alternative routes

Compare routes from London to Belfast below. You may find an airport to fly into that's cheaper, faster, or easier than Belfast International.

London to Belfast: Flight information

The things to know before you go.
Cheapest flight foundر.ق.‏ 75
Cheapest month to flyOctober
Average flight time1 hr, 21 mins
Most popular airlineeasyJet
Average flights per week91

Finding cheap flights from London to Belfast International: Frequently asked questions

The best price we found for a return flight from London to Belfast International is ر.ق.‏ 148. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 21 minutes is the average flight time from London to Belfast International.
easyJet, Ryanair UK Ltd. and Ryanair fly direct from London to Belfast International.
As of September 2025, there are 91 flights per week flying from London to Belfast International.
The cheapest month to fly from London to Belfast International is usually October.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from London to Belfast International Airport on Sunday, 12 October 2025.
Yes – the average flight time is 1 hour and 21 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Belfast International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Belfast is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Belfast International is Ryanair .

Travelling from London to Belfast International Airport (BFS): What you need to know

  • Get your trip planning underway by looking up where you'll catch your flight from London to Belfast International Airport (BFS). Explore the options for taking off from London Heathrow Airport (LHR) or London Gatwick Airport (LGW), the city's main airports.

  • Belfast's timezone is UTC+0, which is the same as London. Belfast International Airport is located in Belfast.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are tried-and-true travel tips. Make sure you're at the airport on time to catch your flight from London to BFS.

  • With more travellers during peak seasons, it's wise to get to your terminal even earlier. Two hours for domestic flights and up to four for international journeys will allow for additional wait times.

Airports in London

London Heathrow Airport (LHR)

  • Travelling from central London to LHR takes around 1 hour by public transport. If you drive, ride-share or get a cab, you'll cover the 31 kilometres in 55 minutes or so, depending on traffic conditions.

  • Looking for a comfortable hotel close to London Heathrow Airport? If you're catching an early flight from London to Belfast International Airport, these accommodation options will have you sleeping moments from your departure lounge:

  • When it comes to London Heathrow Airport's on-time performance, data shows 68.18% of flights stick to their scheduled arrival time.

London Gatwick Airport (LGW)

  • Consider starting your journey from London Gatwick Airport (LGW). You can book a direct London to Belfast International Airport (BFS) flight ticket with departures from here.

  • easyJet offers direct flights from London to BFS departing from LGW. Book your favourite window seat and arrive at your destination in a single hop.

  • easyJet ranks number one in bookings on the LGW to BFS route.

  • LGW is around 80 kilometres from central London. It'll take 1 hour 20 minutes or so to get to the airport by car from the city centre. Public transport takes roughly 30 minutes.

  • Get your holiday started early with an additional night away from home. Before catching your London to BFS flight, stay in one of these hotels near London Gatwick Airport:

  • London Gatwick Airport has an on-time performance of 69.26%. This figure gives an insight into how frequently flights that depart from this airport reach their destination on time.

Stansted Airport (STN)

  • One takeoff, one touchdown. You can book a direct flight from London to Belfast International Airport leaving from Stansted Airport (STN).

  • Take off from STN with easyJet. This well-known airline offers direct London to BFS flight tickets.

  • The preferred choice for passengers flying between STN and BFS is easyJet.

  • The trip to STN from the centre of London is around 1 hour 25 minutes on public transport. If you prefer to travel by car, it'll take you roughly 1 hour to cover the 64 kilometres or so.

  • Make departure day worry-free — stay near Stansted Airport and know you'll get to your gate with time to spare. Check in to one of these hotels the day before if you've booked an early London to Belfast International Airport flight:

  • The on-time performance rate of STN is 64.73%. In simpler terms, that's how frequently flights departing this airport arrive as planned.

About Belfast International Airport (BFS)

Getting from Belfast International Airport (BFS) to central Belfast

  • Belfast International Airport to central Belfast is about 19 kilometres. If you're renting a car or getting a cab, plan ahead to make your trip as easy as possible. Journey times will vary depending on traffic conditions and the time of day.

  • If you're travelling on public transport, expect a journey of around 2 hours.

How to find the cheapest flights from London to Belfast International Airport (BFS)

  • The cheapest price we've found for a one-way ticket from London to Belfast International Airport is ر.ق.‏ 74. For a return flight on this route, the best price is ر.ق.‏ 148. Depending on how early you book and the availability, these fares could change.

  • Book 11 months before flying. Pricing trends suggest that this is the ideal window for finding cheap flights from London to BFS.

  • Schedule your trip for April. That's the best month for scoring cheap London to Belfast International Airport tickets. If you're flexible with your dates, use the 'Whole month' tool to find the cheapest price across each month.

  • You don't need to check back in every day to find out if fares have dropped when you create a Price Alert. We'll let you know the moment a lower fare pops up on flight tickets from London to BFS.

  • Tailor your trip using filters. Select your preferred departure and arrival times, total journey duration and airlines. You can also sort the results by 'Cheapest,' 'Best' or 'Fastest' flights from London to Belfast International Airport.

The best time to fly from London to Belfast International Airport (BFS)

  • It's time to work out when to book your flight from London to Belfast International Airport (BFS). August is the busiest month to travel to Belfast. If you're all about a more relaxed kind of trip, head there in February.

  • Lock in a London to BFS flight ticket departing in July if you're eager to visit the city during its warmest month. Expect temperatures in Belfast to range from 10ºC to 19ºC.

  • January sees temperatures of between 1ºC and 8ºC. Look for cheap tickets from London to Belfast International Airport around that time if you like travelling in cooler conditions.

More about Belfast

Explore more of the United Kingdom

  • You've done Belfast, now it's time to discover more of the United Kingdom. Journey about 177 kilometres north-east to Glasgow to check off its leading attractions. From Hogmanay to Glasgow West End and Glasgow Cathedral, you've got a jam-packed schedule ahead.

  • Edinburgh is another must-experience destination in the United Kingdom and is around 241 kilometres north-east of Belfast. No trip is complete without a visit to Edinburgh Castle, Crown Jewels and Шотландия.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.