£21 Find cheap flights from Belfast to London

In the last 3 days, the lowest price for a flight from Belfast to London was £27 for a one-way ticket and £38 for a return.

There are 2 airports in Belfast (Belfast Intl and Belfast City) and 6 airports in London (London City, London Gatwick, London Heathrow, London Luton, London Southend, and London Stansted). The cheapest flights are generally found on the Belfast Intl Airport to London Stansted Airport flight route.

We unfortunately don’t have that data for this specific route.

oneworld is the only airline alliance operating flights between Belfast and London.

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Belfast to London.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London from Belfast is likely to change within 7 days, so travelers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to London with an airline and back to Belfast with another airline.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London from Belfast up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.