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Cheap Flights from Belfast International to London

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Compare Belfast International to London flight deals

Find the cheapest month or even day of the year to fly to London

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Flight deals from Belfast International to London

Looking for a cheap last-minute deal or the best return flight from Belfast International to London? Find the lowest prices on one-way and return tickets right here.
London.$68 per passenger.Departing Thu, 10 Apr, returning Mon, 14 Apr.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Belfast International on Thu, 10 Apr, arriving in London Stansted.Inbound direct flight with Ryanair departs from London Stansted on Mon, 14 Apr, arriving in Belfast International.Price includes taxes and charges.From $68, select.
London.$68 per passenger.Departing Tue, 17 Jun, returning Mon, 23 Jun.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Belfast International on Tue, 17 Jun, arriving in London Stansted.Inbound direct flight with Ryanair departs from London Stansted on Mon, 23 Jun, arriving in Belfast International.Price includes taxes and charges.From $68, select.
London.$68 per passenger.Departing Thu, 24 Apr, returning Tue, 6 May.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Belfast International on Thu, 24 Apr, arriving in London Stansted.Inbound direct flight with Ryanair departs from London Stansted on Tue, 6 May, arriving in Belfast International.Price includes taxes and charges.From $68, select.
London.$68 per passenger.Departing Sun, 18 May, returning Mon, 2 Jun.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Belfast International on Sun, 18 May, arriving in London Stansted.Inbound direct flight with Ryanair departs from London Stansted on Mon, 2 Jun, arriving in Belfast International.Price includes taxes and charges.From $68, select.
London.$68 per passenger.Departing Sat, 3 May, returning Tue, 6 May.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Belfast International on Sat, 3 May, arriving in London Stansted.Inbound direct flight with Ryanair departs from London Stansted on Tue, 6 May, arriving in Belfast International.Price includes taxes and charges.From $68, select.
London.$72 per passenger.Departing Sat, 29 Mar, returning Sun, 22 Jun.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Belfast International on Sat, 29 Mar, arriving in London Stansted.Inbound direct flight with Ryanair departs from London Stansted on Sun, 22 Jun, arriving in Belfast International.Price includes taxes and charges.From $72, select.
London.$75 per passenger.Departing Sat, 29 Mar, returning Wed, 30 Apr.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Belfast International on Sat, 29 Mar, arriving in London Stansted.Inbound direct flight with Ryanair departs from London Stansted on Wed, 30 Apr, arriving in Belfast International.Price includes taxes and charges.From $75, select.
London.$82 per passenger.Departing Sat, 9 Aug, returning Sun, 10 Aug.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Belfast International on Sat, 9 Aug, arriving in London Stansted.Inbound direct flight with Ryanair departs from London Stansted on Sun, 10 Aug, arriving in Belfast International.Price includes taxes and charges.From $82, select.

Find the cheapest month to fly from Belfast International to London

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Belfast International to London flights are currently cheapest in April.
Mar
from $135
Apr
from $68
May
from $68
Jun
from $68
Jul
from $82
Aug
from $82
Sep
from $90
Oct
from $97
Nov
from $101
Dec
from $108
Jan
from $112
Feb
from $112

Direct flights from Belfast International to London

Alternative Belfast International to London routes

Looking for the cheapest, fastest or easiest route from Belfast International to London? You could fly into the following airports instead.

Belfast to London: Flight information

The things to know before you go.
Cheapest flight found$68
Cheapest month to flyApril
Average flight time1 hr, 19 mins
Most popular airlineeasyJet
Average flights per week282

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

There are 6 airports in London: London City, London Heathrow, London Gatwick, London Luton, London Stansted, and London Southend.
The best price we found for a return flight from Belfast International to London is $68. 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 19 minutes is the average flight time from Belfast International to London.
easyJet and Ryanair UK Ltd. fly direct from Belfast International to London.
As of March 2025, there are 141 flights per week flying from Belfast International to London.
The cheapest month to fly from Belfast International to London is usually March 2025.
If you're flying from Belfast International Airport, the cheapest airport near London is London Stansted – which is 48.6 km away from the centre of London. We've found flights into this airport from $68.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Belfast International Airport to London on Thursday, 24 April 2025.
Yes – the average flight time is 1 hour and 19 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 London 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 London is around 40 days in advance, so don’t leave your flight to the last minute.
In March, the average temperature is usually around 6°C. August is typically the warmest month in London, when it usually averages around 22°C. You can expect the least rain in March. The coldest month is January, with temperatures averaging 1°C. The rainiest month is October.
Currently, Ryanair offers the cheapest flight tickets to London.

Flying from Belfast International Airport (BFS) to London: what you need to know

  • London and Belfast (where Belfast International Airport is located) share the UTC+0 timezone. That means you won't have to adjust your watch once you arrive.

  • With 188 weekly flights between the two airports, Belfast International Airport (BFS) to London Luton Airport (LTN) is the most popular route. Ryanair UK Ltd. Operates the earliest flight at 05:45. If you'd like to get more out of your day before you fly, the latest departure from BFS to LTN is with Ryanair UK Ltd. At 22:00.

  • For hassle-free travel, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This ensures you have enough time to catch your flight from BFS to London.

  • Flying during a popular month such as August? Major public holidays and other high seasons can lead to longer lines and delays at check-in and security. Play it safe and get there up to four hours before an international flight and two hours before domestic departures.

  • Book a direct flight from Belfast International Airport to London and enjoy a seamless connection. BFS offers nonstop options to these London airports:

    • London Gatwick Airport (LGW)

    • Stansted Airport (STN)

    • London Luton Airport (LTN)

  • easyJet is a well-known carrier that operates direct flights from Belfast International Airport to London.

  • You won't need a visa or passport to travel within United Kingdom. You will need a valid proof of identity however, such as an ID card or driver's licence. Put them on your packing checklist after booking your cheap tickets from Belfast International Airport to London.

  • BFS is around 32 kilometres from central Belfast. If you're ride-sharing, catching a cab or driving from the centre, it'll take you 31 minutes or so to get there, depending on traffic. If you're using public transport, expect the travel time to be approximately 2 hours and 2 minutes.

  • Catching an early flight from Belfast International Airport to London? Avoid the stress of rushing to the terminal (and get some extra shut-eye) by picking one of these hotels near BFS:

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

  • $34 is the lowest price for a one-way ticket from Belfast International Airport to London. Return flights start from $68. These fares may change depending on availability.

  • Score cheap tickets from BFS to London by booking at least 8 months ahead. According to our research, that's the sweet spot for finding the biggest deals.

  • The cheapest month for tickets from Belfast International Airport to London is April. Compare prices using the 'Whole month' tool and choose the date that offers the best deal.

  • Set up a Price Alert for flight tickets from BFS to London. There's no need to check back in every day to see whether prices have dropped. We'll notify you the moment the price changes.

  • Use the filters to tailor your flights from Belfast International Airport to London. Pick your preferred arrival and departure times, airlines and number of stops. Alternatively, sort your results by 'Cheapest' to find the best deals.

Airports in London

London Heathrow Airport (LHR)

  • London Heathrow Airport (LHR) is around 31 kilometres from the centre of London. With your own car rental or if you're catching a cab, the drive is about 57 minutes.

  • Getting there by public transport will take you roughly 1 hour and 1 minute.

  • The last thing you want is a lengthy journey to your hotel if you're getting in late on a flight from Belfast International Airport to London. Check in to one of these accommodation options near LHR instead:

London Gatwick Airport (LGW)

  • The centre of London is around 80 kilometres from London Gatwick Airport (LGW). After your flight from Belfast International Airport to London has hit the runway and you've navigated your way to arrivals, expect a drive of about 1 hour and 19 minutes.

  • You can expect the trip to take about 1 hour and 26 minutes on public transport.

  • There are some great places to call home for the night near LGW. Tuck yourself in and get cosy after your flight from BFS to London at any of these well-located options:

Best time to go to London

  • July is the busiest month to hop on a flight from Belfast International Airport to London while February is the quietest. To work out the best time to go to London, consider the pace you prefer to travel at.

  • Book your flight from Belfast International Airport to London for July to experience the city during its warmest month. Expect temperatures to range from 11ºC to 26ºC.

  • Look for cheap flights from BFS to London in January if you like cooler conditions. Temperatures are at their lowest around then, ranging between 0ºC and 9ºC on average.

More about London

  • After locking in your flight from Belfast International Airport to London, think about where you'll stay in this city. Make one of these accommodation options your base for exploring London:

  • Big Ben and The British Museum are just the start of the top-rated attractions to add to your London travel itinerary. Continue your sightseeing adventures at Buckingham Palace.

Complete your London trip with a car rental

  • Finding you a cheap flight from Belfast International Airport to London isn't the only thing we're good at. Check out our car rentals in London and have more freedom to explore. We search for deals from trusted car rental providers and put them all in one place. You can instantly compare offers and then book with no fees.

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Plan the rest of your trip from Belfast to London

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