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Cheap flights from London Heathrow to Belfast International

Travellers and cabin class

Compare London Heathrow to Belfast International flight deals

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

Book the best Belfast International fare with no extra fees

Flight deals from London Heathrow to Belfast International

Looking for a cheap last-minute deal or the best return flight from London Heathrow to Belfast International? Find the lowest prices on one-way and return tickets right here.
Belfast.P11,265 per passenger.Departing Tue, 24 Jun, returning Wed, 16 Jul.Return flight with British Airways and easyJet.Outbound indirect flight with British Airways, departs from London Heathrow on Tue, 24 Jun, arriving in Belfast International.Inbound indirect flight with easyJet, departs from Belfast International on Wed, 16 Jul, arriving in London Heathrow.Price includes taxes and charges.From P11,265, select.
Belfast.P11,975 per passenger.Departing Mon, 21 Apr, returning Tue, 29 Apr.Return flight with British Airways and Ryanair.Outbound indirect flight with British Airways, departs from London Heathrow on Mon, 21 Apr, arriving in Belfast International.Inbound indirect flight with Ryanair, departs from Belfast International on Tue, 29 Apr, arriving in London Heathrow.Price includes taxes and charges.From P11,975, select.
Belfast.P12,103 per passenger.Departing Mon, 8 Sep, returning Thu, 11 Sep.Return flight with British Airways and easyJet.Outbound indirect flight with British Airways, departs from London Heathrow on Mon, 8 Sep, arriving in Belfast International.Inbound indirect flight with easyJet, departs from Belfast International on Thu, 11 Sep, arriving in London Heathrow.Price includes taxes and charges.From P12,103, select.
Belfast.P12,287 per passenger.Departing Tue, 15 Jul, returning Wed, 23 Jul.Return flight with British Airways and easyJet.Outbound indirect flight with British Airways, departs from London Heathrow on Tue, 15 Jul, arriving in Belfast International.Inbound indirect flight with easyJet, departs from Belfast International on Wed, 23 Jul, arriving in London Heathrow.Price includes taxes and charges.From P12,287, select.
Belfast.P12,414 per passenger.Departing Sat, 7 Jun, returning Wed, 11 Jun.Return flight with British Airways and easyJet.Outbound indirect flight with British Airways, departs from London Heathrow on Sat, 7 Jun, arriving in Belfast International.Inbound indirect flight with easyJet, departs from Belfast International on Wed, 11 Jun, arriving in London Heathrow.Price includes taxes and charges.From P12,414, select.
Belfast.P12,690 per passenger.Departing Thu, 24 Apr, returning Thu, 1 May.Return flight with British Airways and easyJet.Outbound indirect flight with British Airways, departs from London Heathrow on Thu, 24 Apr, arriving in Belfast International.Inbound indirect flight with easyJet, departs from Belfast International on Thu, 1 May, arriving in London Heathrow.Price includes taxes and charges.From P12,690, select.
Belfast.P12,820 per passenger.Departing Sun, 25 Jan, returning Wed, 28 Jan.Return flight with British Airways and easyJet.Outbound indirect flight with British Airways, departs from London Heathrow on Sun, 25 Jan, arriving in Belfast International.Inbound indirect flight with easyJet, departs from Belfast International on Wed, 28 Jan, arriving in London Heathrow.Price includes taxes and charges.From P12,820, select.
Belfast.P12,994 per passenger.Departing Thu, 20 Mar, returning Tue, 25 Mar.Return flight with British Airways and easyJet.Outbound indirect flight with British Airways, departs from London Heathrow on Thu, 20 Mar, arriving in Belfast International.Inbound indirect flight with easyJet, departs from Belfast International on Tue, 25 Mar, arriving in London Heathrow.Price includes taxes and charges.From P12,994, select.

Find the cheapest month to fly from London Heathrow to Belfast International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London Heathrow to Belfast International flights are currently cheapest in April.
Mar
from P12,994
Apr
from P11,975
May
from P13,499
Jun
from P12,414
Jul
from P12,287
Aug
from P24,867
Sep
from P12,103
Oct
Find prices
Nov
from P13,890
Dec
from P18,891
Jan
from P12,820
Feb
Find prices

London Heathrow to Belfast International: Alternative routes

Compare routes from London Heathrow 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 foundP11,265
Cheapest month to flyJune

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

The best price we found for a return flight from London Heathrow to Belfast International is P11,265. 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.
Currently, there are no airlines that fly direct from London Heathrow to Belfast International. But we found flights with one or more stops from P11,265.
As of March 2025, there are no flights flying from London Heathrow to Belfast International.
The cheapest month to fly from London Heathrow to Belfast International is usually March 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from London Heathrow Airport to Belfast International Airport on Tuesday, 24 June 2025.
No airlines currently offer direct flights between London Heathrow Airport and Belfast International Airport. Most routes have one or more stops.
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.
Currently, British Airways offers the cheapest flight tickets to Belfast International.

Travelling from London Heathrow Airport (LHR) to Belfast International Airport (BFS): what you need to know

  • You'll likely experience bigger queues in popular months such as July and other peak periods. Arriving up to fours hours ahead of an international flight and two hours for domestic departures will give you ample time for security and boarding.

  • We make it a cinch to get a flight with a stopover. To see all your options for flights from London Heathrow Airport to Belfast International Airport, uncheck 'Direct flights only.' Then, choose a flight that has a stop long enough to tour the city of your choice. Popular stopovers between LHR and BFS include:

    • Edinburgh Airport

    • Glasgow International Airport

    • Amsterdam Airport Schiphol

  • For a flight within United Kingdom, you won't need a visa or passport. However, you'll have to show some form of identity document, like an ID card or driver's license. As soon as you've booked your cheap ticket from LHR to BFS, make sure your ID is up to date before you jet off.

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

  • The best price we've found for a one-way ticket from London Heathrow Airport to Belfast International Airport is P5,703. The cheapest price for a return flight is P11,265. Bear in mind that fares can change due to availability when booking.

  • To score cheap tickets from LHR to BFS, book as early as possible. Airlines generally offer the most competitive fares when flights are first released.

  • If you're flexible with your trip dates, use the 'Whole month' search function. It'll find the cheapest price across each month when searching for your ticket from London Heathrow Airport to Belfast International Airport.

  • Finding a cheap ticket from LHR to BFS couldn't be easier with Price Alerts. Simply set up one of these automatic alerts and we'll notify you as soon as the price has dropped.

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

Handy information about London Heathrow Airport (LHR)

  • London Heathrow Airport is around 31 kilometres from central London. If you're driving, catching a cab or ride-sharing from the centre, it'll take you 57 minutes or so to get there, depending on traffic. If you're taking public transport, expect the journey time to be approximately 1 hour and 1 minute.

  • Catching an early flight from London Heathrow Airport to Belfast International Airport? Avoid the stress of rushing to the airport (and get some extra shut-eye) by choosing one of these stays near LHR:

Arriving at Belfast International Airport (BFS)

Getting from Belfast International Airport (BFS) to central Belfast

  • Belfast International Airport is approximately 32 kilometres from central Belfast. With your own car rental or in a cab, the drive is about 31 minutes.

  • If you're taking public transport, expect a journey time of about 2 hours and 2 minutes.

When to fly to Belfast International Airport (BFS)

  • The quietest month for a flight from London Heathrow Airport to Belfast International Airport is February, while August is the busiest. Choose the ideal time to visit Belfast based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • The warmest month in Belfast is July, with the temperature ranging between 10 ºC and 19 ºC. Lock in your flights from London Heathrow Airport to Belfast International Airport in this month if you enjoy this type of weather.

  • Look for cheap tickets from LHR to BFS in January if you want to travel in cooler conditions. Temperatures are at their lowest around then, ranging between 1 ºC and 8 ºC on average.

More about Belfast

  • Start your Belfast trip right by finding a fantastic stay. As soon as you've booked your flight from LHR to BFS, have a look at our selection of accommodation options including:

  • There are so many things to do and see in this city it can be tricky to know where to begin. Titanic Belfast, Crumlin Road Gaol Visitor Attraction and Conference Centre and Botanic Gardens are top sights which should feature on any well-planned Belfast itinerary.

  • There's more than one way to get to Belfast. George Best Belfast City Airport (BHD) is an alternative. Be sure to check out the fares and schedules available with this domestic airport.

Complete your Belfast trip with hotels and a car rental

  • Comparing flights is not the only thing we do. Once you've booked your cheap ticket to Belfast International Airport, check out our great car rental offers that'll give you the freedom to travel around at your own pace. Then, take a look at our exclusive rates for hotels to find the perfect Belfast stay.

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Plan the rest of your trip from London to Belfast

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