Cheap flights from London to Belfast
Cheap return flights from London to Belfast
Find the best deals
All prices shown are per person based on return flights only. Prices found in the last 48 hours.
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.
Alternative flights from the UK to Belfast
Check out prices for other routes
Alternative flights from London
You might find cheaper flights nearby
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.
Other popular destinations near Belfast
Where other people are flying to
