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Cheap Flights from London Heathrow to Belfast International

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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.173 € per passenger.Departing Tue, 7 Oct, returning Tue, 7 Oct.Return flight with British Airways and easyJet.Outbound indirect flight with British Airways, departs from London Heathrow on Tue, 7 Oct, arriving in Belfast International.Inbound indirect flight with easyJet, departs from Belfast International on Tue, 7 Oct, arriving in London Heathrow.Price includes taxes and charges.From 173 €, select.
Belfast.174 € per passenger.Departing Sun, 20 Jul, returning Tue, 22 Jul.Return flight with British Airways and easyJet.Outbound indirect flight with British Airways, departs from London Heathrow on Sun, 20 Jul, arriving in Belfast International.Inbound indirect flight with easyJet, departs from Belfast International on Tue, 22 Jul, arriving in London Heathrow.Price includes taxes and charges.From 174 €, select.
Belfast.175 € per passenger.Departing Tue, 4 Nov, returning Tue, 25 Nov.Return flight with British Airways and easyJet.Outbound indirect flight with British Airways, departs from London Heathrow on Tue, 4 Nov, arriving in Belfast International.Inbound indirect flight with easyJet, departs from Belfast International on Tue, 25 Nov, arriving in London Heathrow.Price includes taxes and charges.From 175 €, select.
Belfast.181 € per passenger.Departing Thu, 31 Jul, returning Tue, 5 Aug.Return flight with British Airways and easyJet.Outbound indirect flight with British Airways, departs from London Heathrow on Thu, 31 Jul, arriving in Belfast International.Inbound indirect flight with easyJet, departs from Belfast International on Tue, 5 Aug, arriving in London Heathrow.Price includes taxes and charges.From 181 €, select.
Belfast.184 € per passenger.Departing Mon, 8 Sep, returning Wed, 10 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 Wed, 10 Sep, arriving in London Heathrow.Price includes taxes and charges.From 184 €, select.
Belfast.188 € per passenger.Departing Sat, 7 Jun, returning Tue, 10 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 Tue, 10 Jun, arriving in London Heathrow.Price includes taxes and charges.From 188 €, select.
Belfast.189 € per passenger.Departing Fri, 30 May, returning Wed, 4 Jun.Return flight with British Airways and easyJet.Outbound indirect flight with British Airways, departs from London Heathrow on Fri, 30 May, arriving in Belfast International.Inbound indirect flight with easyJet, departs from Belfast International on Wed, 4 Jun, arriving in London Heathrow.Price includes taxes and charges.From 189 €, select.
Belfast.190 € per passenger.Departing Tue, 20 May, returning Tue, 27 May.Return flight with British Airways and easyJet.Outbound indirect flight with British Airways, departs from London Heathrow on Tue, 20 May, arriving in Belfast International.Inbound indirect flight with easyJet, departs from Belfast International on Tue, 27 May, arriving in London Heathrow.Price includes taxes and charges.From 190 €, 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 October.
May
from 190 €
Jun
from 188 €
Jul
from 174 €
Aug
from 191 €
Sep
from 184 €
Oct
from 173 €
Nov
from 175 €
Dec
from 204 €
Jan
from 214 €
Feb
from 274 €
Mar
from 208 €
Apr
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 found173 €
Cheapest month to flyOctober

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 173 €. 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 173 €.
As of May 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 May 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, 7 October 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

  • London and Belfast are in the same timezone, UTC+0.

  • For a smooth journey, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This way, you can comfortably board your LHR to BFS flight.

  • Flying during a peak time such as July? Major public holidays and other popular seasons can mean longer queues and delays at security. Play things extra safe and arrive up to four hours ahead of international flights and two hours before domestic departures.

  • Think about adding a stopover when booking your ticket from London Heathrow Airport to Belfast International Airport. Simply deselect 'Direct flights only' to break up your trip, or perhaps see a new city along the way. Check out these options between LHR and BFS:

    • Glasgow International Airport

    • Edinburgh Airport

    • Amsterdam Airport Schiphol

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

  • Currently, 80 € is the lowest price we've seen for a one-way London Heathrow Airport to Belfast International Airport flight. The best price for a return plane ticket is 173 €. Keep in mind that fares may change due to demand when booking.

  • It's usually smart to book as early as possible if you want to find cheap tickets from LHR to BFS. That's because airlines change prices based on demand, which tends to rise closer to the date of departure.

  • If you're willing to be flexible with your travel plans, use the 'Whole month' search function. It'll give you the lowest price across each month when looking for your flight from London Heathrow Airport to Belfast International Airport.

  • Never miss a deal on cheap flights from LHR to BFS by setting up a Price Alert. You'll get an email or notification through the app when a special offer becomes available.

  • Discover the perfect flight for you by using the filters. To see the 'Fastest,' 'Cheapest' or 'Best' flights from London Heathrow Airport to Belfast International Airport, use the 'Sort by' tool. You can also filter by airline, departure and arrival times, and journey duration.

Handy information about London Heathrow Airport (LHR)

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

  • Central London to London Heathrow Airport is approximately 31 kilometres. Depending on traffic, it'll take about 55 minutes to get there if you're ride-sharing, catching a cab or driving.

  • You can expect a journey time of around 1 hour when using public transport.

  • Searching for a handy hotel near LHR? If you're boarding an early flight from London Heathrow Airport to Belfast International Airport, these accommodation options will have you moments from check-in:

Arriving at Belfast International Airport (BFS)

  • If you have a late London Heathrow Airport to Belfast International Airport flight, few things beat the convenience of staying close to the terminal. Grab your bags from the carousel and then be showered and snoozing soon after at one of these hotels near BFS:

  • Fast-track your adventure by picking up a Belfast International Airport rental car. Grab a set of wheels from Budget, Drivalia or Dollar and explore beyond Belfast's usual tourist stops.

  • To get the lowest price, book your vehicle from Belfast International Airport about three weeks before travelling.

Getting from Belfast International Airport (BFS) to central Belfast

  • Belfast International Airport to the centre of Belfast has a drive time of around 30 minutes. It's approximately 32 kilometres away.

  • It typically takes 2 hours to get there using public transport.

When to fly to Belfast International Airport (BFS)

  • August is the most popular month for flights from London Heathrow Airport to Belfast International Airport. For smaller crowds, go to Belfast in January.

  • Lock in your flight from London Heathrow Airport to Belfast International Airport for July if you want to go to Belfast during its warmest month. You can expect temperatures of between 10ºC (50ºF) and 19ºC (66ºF).

  • Search for cheap tickets from LHR to BFS in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between 1ºC (34ºF) and 8ºC (46ºF) on average.

Explore more of United Kingdom

  • Birmingham is just one of the many places in United Kingdom waiting to be explored after you've experienced Belfast. Around 354 kilometres away to the south-east, well-known attractions include Cadbury World, The Library of Birmingham and National Sea Life Centre.

  • Bristol is another standout destination in United Kingdom and is around 418 kilometres south-east of Belfast. No trip is complete without visiting Clifton Suspension Bridge, Cabot Tower and Brandon Hill Nature Park.

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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.