Cheap Flights from London Heathrow to Belfast

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Compare London Heathrow to Belfast flight deals

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

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Flight deals from London Heathrow to Belfast

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

Find the cheapest month to fly from London Heathrow to Belfast

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

Direct flights from London Heathrow to Belfast

Alternative London Heathrow to Belfast routes

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

London to Belfast: Flight information

The things to know before you go.
Cheapest flight foundRs12,725
Cheapest month to flyJanuary
Average flight time1 hr, 24 mins
Most popular airlineBritish Airways
Average flights per week176

Finding cheap flights from London Heathrow 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 Heathrow to Belfast is Rs29,382. 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 24 minutes is the average flight time from London Heathrow to Belfast.
British Airways, American Airlines and Qatar Airways fly direct from London Heathrow to Belfast.
As of June 2025, there are 176 flights per week flying from London Heathrow to Belfast.
The cheapest month to fly from London Heathrow to Belfast is usually June 2025.
If you're flying from London Heathrow Airport, the cheapest airport near Belfast is Belfast City – which is 3.7 km away from the centre of Belfast. We've found flights into this airport from Rs29,382.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from London Heathrow Airport to Belfast on Friday, 21 November 2025.
Yes – the average flight time is 1 hour and 24 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 June, the average temperature is usually around 12°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.
Currently, British Airways offers the cheapest flight tickets to Belfast.

Flying from London Heathrow Airport (LHR) to Belfast: what you need to know

  • Belfast and London (where London Heathrow Airport is located) are in the UTC+0 timezone. That means there's no time difference to adjust for.

  • With 42 flights a week between the two airports, London Heathrow Airport (LHR) to George Best Belfast City Airport (BHD) is the busiest route. British Airways operates the earliest flight at 06:05. If you're eager to make the most of your day before leaving, the last departure from LHR to BHD is with British Airways at 19:20.

  • Allow plenty of time to get on your LHR to Belfast flight. As a general rule, turn up two hours before international departures and an hour ahead for domestic flights.

  • If you're travelling during a major holiday or another peak period, allow extra time. A good general rule is two hours ahead of domestic flights and up to four hours before international departures. Security and check-in lines will be longer.

  • Direct London Heathrow Airport to Belfast tickets are available for booking. George Best Belfast City Airport (BHD) is where you'll disembark.

  • Check out the deals with British Airways. This carrier operates direct flights from London Heathrow Airport to Belfast.

  • LHR is around 26 kilometres from central London. If you're driving, ride-sharing or catching a cab from the centre, it'll take you 55 minutes or so to get there, depending on traffic. If you're planning to take public transport, expect the journey time to be around 1 hour.

  • Catching an early flight from London Heathrow Airport to Belfast? Avoid the last-minute rush to the terminal (and sneak in some extra snooze time) by choosing one of these stays near LHR:

  • 68.18% of flights departing from London Heathrow Airport arrive at their destination on time.

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

  • Rs12,725 is currently the lowest price for a one-way London Heathrow Airport to Belfast flight. A return flight ticket starts from Rs29,382. These fares can change depending on demand.

  • To secure cheap flights from LHR to Belfast, reserve your trip seven months before your departure date.

  • November is the best month for nabbing an awesome deal on London Heathrow Airport to Belfast tickets. If you'd like to travel at a different time of year, the 'Whole month' tool will give you the lowest prices across every month.

  • Stay on top of deals for cheap flights from LHR to Belfast by creating a Price Alert. We'll send you an email or notification through the app when fares go down.

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

Airports in Belfast

Belfast International Airport (BFS)

  • Belfast International Airport (BFS) is around 32 kilometres from central Belfast. If you're grabbing a cab or a ride-share, the drive will take roughly 30 minutes.

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

  • The last thing you need is a lengthy journey to your hotel if you're getting in late on a flight from London Heathrow Airport to Belfast. Stay at one of these accommodation options near BFS instead:

  • Go where the road takes you with a Belfast International Airport rental car. Pick up a set of wheels from Budget, Drivalia or Dollar and chase adventure across Belfast and beyond.

  • Lock in the best deal by booking your vehicle from Belfast International Airport about three weeks before your flight from LHR to Belfast.

George Best Belfast City Airport (BHD)

  • Once your flight from London Heathrow Airport to Belfast has landed, you can reach the city centre in about 10 minutes by car. Central Belfast is roughly 8 kilometres from George Best Belfast City Airport (BHD).

  • The journey will take about 20 minutes on public transport.

  • Hang up the 'Do not disturb' sign and relax at a hotel close to BHD. Here are a few options where you can settle in after your LHR to Belfast flight:

  • Forget about inconvenient public transport timetables or long cab lines. Grab a George Best Belfast City Airport rental car and let your trip unfold on your terms. Compare availability and rates from Budget, Sixt and Alamo.

  • Don't pay more than you need to. Booking your ride two weeks before your arrival at BHD can land you a better rate.

Best time to go to Belfast

  • Before booking your flights from London Heathrow Airport to Belfast, consider which time of year works best for you. Peak season in Belfast offers a bustling atmosphere and plenty of activities, while low season brings cheaper hotel deals and fewer crowds.

  • Before locking in your London Heathrow Airport to Belfast flight ticket, think about the weather you're most comfortable in. July is the warmest month in Belfast, with temperatures ranging from 10ºC to 19ºC.

  • January has average temperatures of between 1ºC and 8ºC. Search for a cheap ticket from LHR to Belfast around that time if you'd rather travel in cooler conditions.

More about Belfast

  • After booking your flight from London Heathrow Airport to Belfast, find a hotel that offers both comfort and a great location. Make one of these options your base for exploring Belfast:

  • Every great holiday has to include a little sightseeing. Crumlin Road Gaol Visitor Attraction and Conference Centre, Titanic Belfast and Botanic Gardens are must-do's during your Belfast adventure.

Explore more of United Kingdom

  • Belfast is always a good idea, but there are so many other parts of United Kingdom you'll want to see. About 354 kilometres south-east of Belfast, a visit to Birmingham will keep you on the go. Start with attractions like Cadbury World, The Library of Birmingham and National Sea Life Centre.

  • If you're interested in discovering another great destination in United Kingdom, head for Bristol, roughly 418 kilometres south-east of Belfast. Clifton Suspension Bridge, Cabot Tower and Brandon Hill Nature Park are key highlights.

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