Cheap Flights from London to Belfast

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

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Flight deals from London to Belfast

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

Find the cheapest month to fly from London to Belfast

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

Direct flights from London to Belfast

Alternative London to Belfast routes

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

London to Belfast: Flight information

The things to know before you go.
Cheapest flight foundR 353
Cheapest month to flyApril
Average flight time1 hr, 22 mins
Most popular airlineeasyJet
Average flights per week691

Finding cheap flights from London to Belfast: Frequently asked questions

There are 2 airports in Belfast: Belfast City and Belfast International.
The best price we found for a return flight from London to Belfast is R 706. 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 22 minutes is the average flight time from London to Belfast.
easyJet, British Airways and Qatar Airways fly direct from London to Belfast.
As of March 2025, there are 777 flights per week flying from London to Belfast.
The cheapest month to fly from London to Belfast is usually March 2025.
If you're flying from London, the cheapest airport near Belfast is Belfast International – which is 19.6 km away from the centre of Belfast. We've found flights into this airport from R 706.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from London to Belfast on Thursday, 24 April 2025.
Yes – the average flight time is 1 hour and 22 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 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.
In March, the average temperature is usually around 6°C. August is typically the warmest month in Belfast, when it usually averages around 17°C. You can expect the least rain in May. The coldest month is January, with temperatures averaging 4°C. The rainiest month is October.
The cheapest airline that flies to Belfast is Ryanair .

Travelling from London to Belfast: what you need to know

  • Your next great adventure starts at one of London's main airports, London Heathrow Airport (LHR) or London Gatwick Airport (LGW). Explore your options for booking a flight from London to Belfast taking off from either of these bases.

  • The major entry paths to Belfast are Belfast International Airport (BFS) and George Best Belfast City Airport (BHD).

  • Expect to be in the air for 1 hour 21 minutes. On average, that's the duration of a direct flight from London to Belfast. These two cities share the same timezone — UTC+0.

  • The most popular route for flights from London to Belfast is from London Heathrow Airport (LHR) to George Best Belfast City Airport (BHD). You can select from 217 services every week between these two airports. If you'd like to head off as soon as possible, the earliest flight from LHR to BHD is the 06:05 British Airways service. If you prefer to leave later in the day, the last departure is at 19:25 with British Airways.

  • For a stress-free journey, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This way, you'll have plenty of time to catch your flight from London to Belfast.

  • During popular months such as July, it's a good idea to get to the airport even earlier. Arrive two hours before a domestic departure and four hours ahead of an international flight whenever you're flying during high season in general.

  • You won't need a visa or passport to fly within United Kingdom. You will need a valid form of identification however, such as a driver's licence or ID card. Make sure they're on your packing checklist once you've booked your cheap flights from London to Belfast.

Flying from London

London Heathrow Airport (LHR)

  • Take off from London Heathrow Airport (LHR) on a nonstop flight from London to Belfast. From LHR, you can fly directly to George Best Belfast City Airport (BHD).

  • British Airways is a popular airline that offers direct flights from London to Belfast taking off from LHR.

  • A stopover is the perfect opportunity to break up your trip — and perhaps even tour another city. When searching for flights from London to Belfast departing from London Heathrow Airport, uncheck the 'Direct flights only' box to see where you can stop along the way. Popular options include:

    • Edinburgh Airport (EDI)

    • Aberdeen International Airport (ABZ)

    • Manchester Airport (MAN)

  • The journey from central London to LHR takes approximately 1 hour and 1 minute by public transport. If you ride-share, drive or get a cab, you'll cover the 31 kilometres in 57 minutes or so, depending on traffic conditions.

  • In search of a convenient hotel near London Heathrow Airport? If you're boarding an early flight from London to Belfast, these accommodation options will put you moments from check-in:

London Gatwick Airport (LGW)

  • Direct flights from London to Belfast are also offered at London Gatwick Airport (LGW), so consider taking off from this popular hub. LGW has nonstop connections to Belfast International Airport (BFS) and George Best Belfast City Airport (BHD).

  • Catch your direct flight from London to Belfast with easyJet. This is one of the main carriers that operates this route out of LGW.

  • Split up your flight from London to Belfast with a stop so you can stretch your legs or tick a new place off your list. Some great stopovers between London Heathrow Airport and Belfast are:

    • Edinburgh Airport (EDI)

    • Aberdeen International Airport (ABZ)

    • Manchester Airport (MAN)

  • On public transport, you can travel from central London to LGW in around 1 hour and 26 minutes. The airport is roughly 80 kilometres away, and making the journey by car will take approximately 1 hour and 19 minutes.

  • Want to treat yourself to an extra night away before your flight from London to Belfast? Unwind in a hotel near London Gatwick Airport before your trip officially starts. Stay at one of these accommodation options:

Arriving in Belfast

Belfast International Airport (BFS)

  • Belfast International Airport (BFS) is around 32 kilometres from the centre of Belfast. With your own car rental or if you're catching a cab, the drive is about 31 minutes.

  • It typically takes 2 hours and 2 minutes if you're using public transport.

  • Consider booking a hotel near BFS if you have a late flight from London to Belfast. Choose one of these options and avoid the hassle of a long transfer:

George Best Belfast City Airport (BHD)

  • The centre of Belfast is about 8 kilometres from George Best Belfast City Airport (BHD). After your flight from London to Belfast has hit the runway and you've made your way through the terminal, the drive should take about 12 minutes.

  • The journey will take roughly 22 minutes on public transport.

  • You'll find some cosy hotels to drop your things at near BHD. Settle in after your flight from London to Belfast at any of these perfectly located options:

How to find the cheapest flights from London to Belfast

  • R 353 is the lowest price for a one-way ticket from London to Belfast. A return flight starts at R 706. These prices may change depending on demand.

  • Book 3 months before you travel. After crunching the numbers on our calendar, this is how far you'll want to book ahead to find cheap tickets from London to Belfast.

  • The cheapest month for tickets from London to Belfast is November. You can easily compare prices using the 'Whole month' tool and choose the date that offers the lowest fare.

  • Locking in a cheap ticket from London to Belfast is a piece of cake with Price Alerts. Simply set up one of these automatic alerts and we'll get in touch when the price has fallen.

  • Play around with filters to find your ideal trip. To see the 'Cheapest,' 'Best' or 'Fastest' flights from London to Belfast, use the 'Sort by' tool. You can also filter by airline, arrival and departure times, and journey duration.

Best time to go to Belfast

  • February is the quietest month for flights from London to Belfast, while August is the most popular. Find the best time to visit Belfast based on whether you prefer a laid-back vibe or a lively atmosphere.

  • Schedule your flight from London to Belfast for July if you'd like to experience the city during its warmest month. You can expect temperatures in Belfast to range from 10ºC to 19ºC.

  • January has average temperatures of between 1ºC and 8ºC. Look for cheap tickets from London to Belfast around that time if you want to travel in cooler conditions.

More about Belfast

  • Start your Belfast trip right by choosing the perfect place to stay. As soon as you've booked your flight from London to Belfast, browse our selection of hotels including:

  • Titanic Belfast and Crumlin Road Gaol Visitor Attraction and Conference Centre are a couple of big attractions to put on your Belfast itinerary. Keep the momentum going by heading to Botanic Gardens.

Complete your Belfast trip with a car rental

  • Check out our lineup of car rentals once you've locked in your hotel and cheap flight from London to Belfast. Whether you're searching for an economy ride, a standard vehicle or something that makes a statement, you can compare companies in one go to find the perfect deal.

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