Cheap flights from London to Belfast

Destination name

Belfast flight facts

What you need to know

What are the cheapest airlines?

  • easyJet
  • Ryanair
  • British Airways

These airlines usually offer the cheapest flights from London to Belfast.

What airlines fly indirectly?

  • KLM
  • Lufthansa
  • Air France

These airlines fly from London to Belfast, but you’ll have at least one layover.

How long is the flight?

1 hour 25 minutes

This is the shortest flight time from London to Belfast.

Destination name

Today alone, Netflights has searched over five flights. 05 / Feb / 2026 is currently the lowest priced day of the year to fly the London/Belfast route. There are around 35 flights on any given week from the UK to Belfast and the cheapest month to fly right now is February. Not suitable? Try running another search or viewing all cheap flight deals.

How to get cheap flights from London to Belfast

Tips and advice from our flight experts

You've searched for flights from London to Belfast. We've found 15 flights and compared them to give you the best offer. easyJet is, on average, the cheapest airline for this route. Look out for them! The cheapest offer we've found is a one-way ticket for the route London to Belfast on 30/06/2026 at 20:40 for £59.

We've scanned hundreds of airfares from dozens of airlines across the globe. In total, we've found 5 airlines that operate the 600 km flight from London to Belfast.

To find the best offers, consider booking 2-3 months in advance or last minute for deals. EasyJet is a popular choice for this route, with an average flight duration of 1 hour 25 minutes. After selecting an offer, fill out your information, proceed to payment, and consider booking a hotel with us or using our flight + hotel service to save time and money.