Cheap flights from Belfast to London

from as little as £134

3 nights in London, departing George Best Belfast City Airport on 28 / Apr / 2025 with British Airways (price found 24 hours ago)

Subject to availability, prices correct of the last 24 hours
London

The Belfast / London route

All 561 km of it

Cheap flight deals for this route

See what's hot at the moment

London flight facts

What you need to know

Alternative flights from the UK to London

Check out prices for other routes
search for price
Find flights
from £114 pp
Find flights
from £136 pp
Find flights
from £294 pp
Find flights

Alternative flights from Belfast to London

You might find cheaper flights nearby
from £198 pp
Find flights
search for price
Find flights
from £134 pp
Find flights
search for price
Find flights
search for price
Find flights
London

28 / Apr / 2025 is currently the lowest priced day of the year to fly the Belfast/London route. There are around 358 flights on any given week from the UK to London and the cheapest month to fly right now is April.

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

Key facts about London

How to get cheap flights from Belfast to London

Tips and advice from our flight experts

With Netflights, you can compare lots of flights to London in United Kingdom. It's free and easy. We've gone through the 358 weekly flights connecting Belfast and London, operated by three airlines – so you can see all your options before you book.

Did you know that London has three airports? Usually, the cheapest airport to fly into is London Gatwick (LGW), but we've compared all the different options to help you find the best price for your dates. The cheapest airline to fly with is normally British Airways, but keep an eye out for other options too.

George Best Belfast City Airport is the cheapest airport to fly to London from. Peak season is in August so flights to London will be more expensive during this time of year. At the other end of the scale, you’ll find that September is usually the cheapest month to fly. Searching by month is the best way to get a feel for the overall cost of flights throughout the year.

It's 561 km from Belfast to London, and the flight takes around 1 hrs 25 mins. Need somewhere to stay when you get there? You can add also accommodation and car hire to your London booking on Netflights.

Other popular destinations near London

Where other people are flying to

Context Id: 3fa64bfb-d041-4090-a207-1ab0e478c950