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Cheap flights from London Heathrow to Belfast

from as little as £91

8 nights in Belfast, departing London Heathrow on 25 / Nov / 2021 with British Airways (price found 33 hours ago)

Subject to availability, prices correct of the last 24 hours

Cheap return flights from London Heathrow to Belfast

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The London Heathrow / Belfast route

All 522 km of it

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Belfast flight facts

What you need to know

Alternative flights from the UK to Belfast

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Alternative flights from London Heathrow

You might find cheaper flights nearby

25 / Nov / 2021 is currently the lowest priced day of the year to fly the London Heathrow/Belfast route. There are around 122 flights on any given week from the UK to Belfast and the cheapest month to fly right now is November.

Min / Max Temperature (°C)

2 °C


10 °C


20 °C

Rainfall (mm)

50 mm


72.5 mm


90 mm

Key facts about Belfast

How to get cheap flights from London Heathrow to Belfast

Tips and advice from our flight experts

We've collated all the flights from London Heathrow to Belfast, to help you find the best deal. The most popular airlines are British Airways, Aer Lingus & Loganair.

122 flights go to Belfast every week. It usually takes roughly 1 hrs 55 mins to fly from London Heathrow. Keep an eye out for flights landing in George Best Belfast City Airport because this tends to be the cheapest airport to fly into – but this isn’t necessarily the case for your travel dates.

Prices currently start from £91. This is based on your search for flights from London Heathrow, but there are other airports nearby. Try adjusting your search to include surrounding departure airports, to see if you can find a better rate. You'll find that, generally, April has the most expensive prices.

As well as helping you out with flights, Netflights can find you great prices on accommodation and car hire too. If you’re travelling to United Kingdom in January, you'll find that both flights and hotels will be cheaper, as it's low season.

Other popular destinations near Belfast

Where other people are flying to

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