£33 Find cheap flights from London Heathrow Airport to Belfast

In the last 3 days, the lowest price for a flight from London Heathrow Airport to Belfast was £42 for a one-way ticket and £100 for a return.

When flying out of London Heathrow Airport you will be using London Heathrow. You will be landing at one of these airports: Belfast Intl or Belfast City.

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

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

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 London Heathrow Airport to Belfast.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Belfast from London Heathrow Airport is likely to change within 7 days, so travellers 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 Belfast with an airline and back to London Heathrow Airport 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 Belfast from London Heathrow Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.