Cheap flights from Belfast Aldergrove International Airport to London

Q: How much are flights normally?

£ 49. If you see flights from Belfast Aldergrove International Airport to London for less than this, you've found a good deal.

Q: When is high season?

August. This is the most expensive time to fly to London. If this is when you want to go, book your flight from Belfast Aldergrove International Airport in advance.

Q: When is the cheapest time to fly?

September. Flights from Belfast Aldergrove International Airport to London are usually cheaper at this time of year.

Q: How long should I stay in London?

3 days. Most people spend this amount of time in London.

from as little as £85

2 nights in London, departing Belfast Aldergrove International Airport on 08 / Feb / 2025 with EasyJet (price found 9 hours ago)

Subject to availability, prices correct of the last 24 hours

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Cheap return flights from Belfast Aldergrove International Airport to London

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The Belfast Aldergrove International Airport / London route

All 561 km of it

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London flight facts

What you need to know

How much are flights normally?

£ 49

If you see flights from Belfast Aldergrove International Airport to London for less than this, you've found a good deal.

When is high season?

August

This is the most expensive time to fly to London. If this is when you want to go, book your flight from Belfast Aldergrove International Airport in advance.

When is the cheapest time to fly?

September

Flights from Belfast Aldergrove International Airport to London are usually cheaper at this time of year.

How long should I stay in London?

3 days

Most people spend this amount of time in London.

Alternative flights from the UK to London

Check out prices for other routes

London to London

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Manchester to London

from £105 pp

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Edinburgh to London

from £111 pp

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Birmingham to London

from £241 pp

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George Best Belfast City Airport to London

from £89 pp

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Alternative flights from Belfast Aldergrove International Airport

You might find cheaper flights nearby

London Gatwick from Belfast Aldergrove International Airport

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London Luton from Belfast Aldergrove International Airport

from £85 pp

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London Stansted from Belfast Aldergrove International Airport

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08 / Feb / 2025 is currently the lowest priced day of the year to fly the Belfast Aldergrove International Airport/London route.

Not suitable? Try running another search or viewing all cheap flight deals.

Key facts about London

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English

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How to get cheap flights from Belfast Aldergrove International Airport to London

Tips and advice from our flight experts

We've gathered all the available flights from Belfast Aldergrove International Airport to London on your chosen dates.

Keep an eye out for flights landing in London Luton because this tends to be the cheapest airport to fly into – but this isn’t necessarily the case for your travel dates.

You can fly to London from £85. But, if you adjust your search to incorporate other airports near Belfast Aldergrove International Airport, this figure may drop – your search currently only covers flights from Belfast Aldergrove International Airport. Just so you know, the highest prices will be in August.

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 September, you'll find that both flights and hotels will be cheaper, as it's low season.