Cheap Flights from Belfast International to London

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Flight deals from Belfast International to London

Looking for a cheap last-minute deal or the best round-trip flight from Belfast International Airport to London? If you want to travel next month, round-trip fares start from $41. Find the lowest prices on one-way and round-trip tickets right here.

London.$41 per passenger.Departing Thu, May 7, returning Tue, May 12.Round-trip flight with Ryanair.Outbound direct flight with Ryanair departing from Belfast International on Thu, May 7, arriving in London Stansted.Inbound direct flight with Ryanair departing from London Stansted on Tue, May 12, arriving in Belfast International.Price includes taxes and charges.From $41, select.

London.$41 per passenger.Departing Sat, May 9, returning Thu, Jun 11.Round-trip flight with Ryanair.Outbound direct flight with Ryanair departing from Belfast International on Sat, May 9, arriving in London Stansted.Inbound direct flight with Ryanair departing from London Stansted on Thu, Jun 11, arriving in Belfast International.Price includes taxes and charges.From $41, select.

London.$41 per passenger.Departing Tue, Jun 2, returning Mon, Jun 8.Round-trip flight with Ryanair.Outbound direct flight with Ryanair departing from Belfast International on Tue, Jun 2, arriving in London Stansted.Inbound direct flight with Ryanair departing from London Stansted on Mon, Jun 8, arriving in Belfast International.Price includes taxes and charges.From $41, select.

London.$45 per passenger.Departing Thu, Jun 11, returning Wed, Jul 1.Round-trip flight with Ryanair.Outbound direct flight with Ryanair departing from Belfast International on Thu, Jun 11, arriving in London Stansted.Inbound direct flight with Ryanair departing from London Stansted on Wed, Jul 1, arriving in Belfast International.Price includes taxes and charges.From $45, select.

London.$46 per passenger.Departing Sat, Aug 1, returning Wed, Aug 12.Round-trip flight with Ryanair.Outbound direct flight with Ryanair departing from Belfast International on Sat, Aug 1, arriving in London Stansted.Inbound direct flight with Ryanair departing from London Stansted on Wed, Aug 12, arriving in Belfast International.Price includes taxes and charges.From $46, select.

London.$47 per passenger.Departing Sat, Jul 18, returning Fri, Jul 31.Round-trip flight with Ryanair.Outbound direct flight with Ryanair departing from Belfast International on Sat, Jul 18, arriving in London Stansted.Inbound direct flight with Ryanair departing from London Stansted on Fri, Jul 31, arriving in Belfast International.Price includes taxes and charges.From $47, select.

London.$48 per passenger.Departing Wed, Jul 29, returning Wed, Aug 12.Round-trip flight with Ryanair.Outbound direct flight with Ryanair departing from Belfast International on Wed, Jul 29, arriving in London Stansted.Inbound direct flight with Ryanair departing from London Stansted on Wed, Aug 12, arriving in Belfast International.Price includes taxes and charges.From $48, select.

London.$49 per passenger.Departing Thu, Aug 13, returning Thu, Sep 3.Round-trip flight with Ryanair.Outbound direct flight with Ryanair departing from Belfast International on Thu, Aug 13, arriving in London Stansted.Inbound direct flight with Ryanair departing from London Stansted on Thu, Sep 3, arriving in Belfast International.Price includes taxes and charges.From $49, select.

London.$51 per passenger.Departing Tue, May 12, returning Fri, Sep 18.Round-trip flight with Ryanair.Outbound direct flight with Ryanair departing from Belfast International on Tue, May 12, arriving in London Stansted.Inbound direct flight with Ryanair departing from London Stansted on Fri, Sep 18, arriving in Belfast International.Price includes taxes and charges.From $51, select.

London.$51 per passenger.Departing Thu, Jun 18, returning Tue, Aug 4.Round-trip flight with Ryanair.Outbound direct flight with Ryanair departing from Belfast International on Thu, Jun 18, arriving in London Stansted.Inbound direct flight with Ryanair departing from London Stansted on Tue, Aug 4, arriving in Belfast International.Price includes taxes and charges.From $51, select.

London.$52 per passenger.Departing Thu, Oct 29, returning Sat, Oct 31.Round-trip flight with Ryanair.Outbound direct flight with Ryanair departing from Belfast International on Thu, Oct 29, arriving in London Stansted.Inbound direct flight with Ryanair departing from London Stansted on Sat, Oct 31, arriving in Belfast International.Price includes taxes and charges.From $52, select.

London.$52 per passenger.Departing Sat, Sep 5, returning Sat, Sep 12.Round-trip flight with Ryanair.Outbound direct flight with Ryanair departing from Belfast International on Sat, Sep 5, arriving in London Stansted.Inbound direct flight with Ryanair departing from London Stansted on Sat, Sep 12, arriving in Belfast International.Price includes taxes and charges.From $52, select.

London.$52 per passenger.Departing Sat, Jul 18, returning Thu, Sep 10.Round-trip flight with Ryanair.Outbound direct flight with Ryanair departing from Belfast International on Sat, Jul 18, arriving in London Stansted.Inbound direct flight with Ryanair departing from London Stansted on Thu, Sep 10, arriving in Belfast International.Price includes taxes and charges.From $52, select.

London.$53 per passenger.Departing Thu, Sep 24, returning Fri, Oct 9.Round-trip flight with Ryanair.Outbound direct flight with Ryanair departing from Belfast International on Thu, Sep 24, arriving in London Stansted.Inbound direct flight with Ryanair departing from London Stansted on Fri, Oct 9, arriving in Belfast International.Price includes taxes and charges.From $53, select.

London.$56 per passenger.Departing Thu, Oct 29, returning Mon, Nov 2.Round-trip flight with Ryanair.Outbound direct flight with Ryanair departing from Belfast International on Thu, Oct 29, arriving in London Stansted.Inbound direct flight with Ryanair departing from London Stansted on Mon, Nov 2, arriving in Belfast International.Price includes taxes and charges.From $56, select.

London.$60 per passenger.Departing Mon, Jun 1, returning Tue, Sep 1.Round-trip flight with Ryanair.Outbound direct flight with Ryanair departing from Belfast International on Mon, Jun 1, arriving in London Stansted.Inbound direct flight with Ryanair departing from London Stansted on Tue, Sep 1, arriving in Belfast International.Price includes taxes and charges.From $60, 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 May.

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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	$41
Cheapest month to fly	May
Average flight time	1 hr, 20 mins
Most popular airline	easyJet
Average flights per week	90

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

How many airports are there in London?

There are 6 airports in London: London City, London Heathrow, London Gatwick, London Luton, London Stansted, and London Southend.

How much are round-trip flights from Belfast International to London?

The best price we found for a round-trip flight from Belfast International to London is $41. 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.

How long does it take to fly from Belfast International to London?

1 hour and 19 minutes is the average flight time from Belfast International to London.

Which airlines fly direct from Belfast International to London?

easyJet, Ryanair UK Ltd. and Ryanair fly direct from Belfast International to London.

How many flights are there a week from Belfast International to London?

There are 90 flights per week flying from Belfast International to London, as of May 2026.

When is the cheapest time to fly from Belfast International to London?

The cheapest month to fly from Belfast International to London is usually May.

What's the cheapest airport to fly to in London?

If you're flying from Belfast International Airport, the cheapest airport near London is London Stansted – which is 48.6 km away from the center of London. We've found flights to this airport from $41.

Which upcoming date is cheapest to fly from Belfast International Airport to London on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Belfast International Airport to London on Saturday, May 9, 2026.

Can I get a direct flight from Belfast International Airport to London?

Yes – the average flight time is 1 hour and 19 minutes.

How can I get the best flight deal from Belfast International Airport to London?

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.

When is the best time to book flights to London?

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.

What’s the weather like in London?

In May, the average temperature is usually around 12°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.

Which is the cheapest airline to fly with from Belfast International Airport to London?

Currently, Ryanair offers the cheapest flight tickets to London.

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

Belfast (the location of Belfast International Airport) and London share the same timezone — UTC+0.
The busiest route is from Belfast International Airport (BFS) to London Stansted Airport (STN). You can select from 35 services every week between these two airports. If you'd like to get going as soon as possible, the earliest flight from BFS to STN is the 05:45 Ryanair UK service. If you're planning to fly out later on, the final departure is at 23:30 with Ryanair UK.
For stress-free travel, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This leaves you with plenty of time to catch your BFS to London flight.
During popular months such as September, it's a good idea to get to the airport even earlier. Arrive two hours before domestic departures and four hours ahead for an international flight when you fly during a peak period in general.
You can travel nonstop from BFS to London. Pick from these arrival points when searching for a Belfast International Airport to London ticket:
- London Gatwick Airport (LGW)
- London Stansted Airport (STN)
- London Luton Airport (LTN)
EasyJet is a well-known carrier that offers direct flights from Belfast International Airport to London.
BFS is about 19 kilometers from central Belfast. If you're driving, ride-sharing or catching a cab from the center, it'll take you 25 minutes or so to get there, depending on traffic conditions. If you're using public transport, expect the travel time to be around 45 minutes.
Planning to catch an early flight from Belfast International Airport to London? Avoid the stress of rushing to the terminal (and get some extra shut-eye) by choosing one of these stays near BFS:
Belfast International Airport maintains a solid on-time record, reducing your chances of a delayed flight. Departures from BFS arrive on schedule 82% of the time.

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

$20 is currently the lowest price for a one-way Belfast International Airport to London flight. Return plane tickets start at $41. These fares can change depending on availability and demand.
Lock in cheap flights from BFS to London by booking 11 months ahead. According to our research, that's the sweet spot for landing a bargain.
The best month for landing cheap Belfast International Airport to London tickets is April. Use the 'Whole month' tool to compare flight prices, then choose the dates offering the lowest fares.
Locking in a cheap flight from BFS to London couldn't be easier with Price Alerts. All you need to do is create one of these automatic notifications and we'll get in touch when a better deal is available.
Tailor your flights with filters. Select your arrival and departure times, airlines and total journey duration. You can also sort your results by 'Cheapest,' 'Fastest' or 'Best' flights from Belfast International Airport to London.

Airports in London

London Heathrow Airport (LHR)

London Heathrow Airport (LHR) to the center of London takes about 45 minutes by car. The center is roughly 24 kilometers away.
Getting to the center on public transport takes around 25 minutes.
If you're coming in on a late flight from Belfast International Airport to London, nothing beats the convenience of staying near the terminal. Grab your luggage from the carousel and then be showered and relaxing not long after at one of these accommodation options near LHR:
Reserving your ride from London Heathrow Airport about one week ahead of your flight from BFS to London can help you secure the lowest rate.

London Gatwick Airport (LGW)

The center of London is about 48 kilometers from London Gatwick Airport (LGW). After your flight from Belfast International Airport to London has hit the runway and you've made your way through the terminal, the drive should be around 1 hour 5 minutes.
You can expect the trip to take roughly 1 hour 20 minutes on public transport.
Place the 'Do not disturb' sign on your door and rest at a hotel near LGW. Here are a few options where you can settle in after your BFS to London flight:
Lock in the best price by securing your ride from LGW three weeks ahead of time. You'll also have access to a greater range of vehicles.

London Stansted Airport (STN)

Make tracks for the city center after your flight from Belfast International Airport to London has arrived. Central London is around 56 kilometers from London Stansted Airport (STN) and takes roughly 1 hour 5 minutes to reach by car.
The journey takes roughly 45 minutes if you use public transport.
Reserve a hotel close to STN and go from the plane to your bed in a flash. Whether you're coming in on a late BFS to London flight or just want to keep your travel plans simple, these accommodation options offer convenience when you need it most:
If you're looking for a specific model or make, book your ride from STN about four weeks before your flight from Belfast International Airport to London. This gives you a better chance of getting your preferred car, on top of a better deal.

Best time to go to London

July is the most popular month for flights from Belfast International Airport to London. To skip the crowds, head to London in January.
When booking your Belfast International Airport to London plane ticket, think about what kind of weather works for you. July is the warmest month in London, with temperatures ranging from 11ºC (52ºF) to 26ºC (79ºF).
January sees average temperatures of between 0ºC (32ºF) and 9ºC (48ºF). Search for a cheap ticket from BFS to London around that time if you want to travel when it's cooler.

More about London

Once you've booked your flight from Belfast International Airport to London, find a hotel that keeps you close to what you want to see. Make one of these accommodation options your base for exploring London:
All great adventures should include some sightseeing. Westminster Abbey, The British Museum and Big Ben are must-visits when exploring London.

Explore more of the United Kingdom

You've seen London, now it's time to discover more of the United Kingdom. Journey about 257 kilometers northwest to Manchester to tick off its leading sights. From Manchester United Museum & Stadium Tour to The Homes of Football and Museum of Science and Industry, you'll have a packed itinerary ahead.
Birmingham is another favorite destination in the United Kingdom and is around 161 kilometers northwest of London. No trip is complete without a visit to Birmingham Museum & Art Gallery, Birmingham Hippodrome Theatre and Bournville Experience.