Cheap flights from London to Belfast

One-way fares from £14 · LON → BFS · prices found by travellers in the last 48 hours

Compare all dates Belfast → London
Cheapest fare
£14

easyJet · Mon 21 Dec

Cheapest month
December

from £14

Direct flights
Yes

Ryanair, easyJet and Ryanair UK

Flight time
1h 15m

520 km

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Cheapest month to fly from London to Belfast

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 £16
  2. December 2026 Cheapest £14
  3. January 2027 £16
  4. February 2027 £21
  5. March 2027 £25
  6. May 2027 £32
  7. October 2027 £61

Cheapest dates in December 2026

The lowest fares we've seen for each day, cheapest first.

easyJet
Depart07:30 Mon 21 DecSEN → BHD 1h 30m · Direct
£14one way, per person
View deal
easyJet
Depart07:30 Mon 7 DecSEN → BHD 1h 30m · Direct
£16one way, per person
View deal
Ryanair UK
Depart07:50 Mon 14 DecSTN → BFS 1h 20m · Direct
£16one way, per person
View deal
Ryanair UK
Depart06:10 Wed 2 DecSTN → BFS 1h 20m · Direct
£18one way, per person
View deal
Ryanair
Depart08:15 Thu 3 DecSTN → BFS 1h 20m · Direct
£18one way, per person
View deal
Ryanair
Depart07:45 Sat 5 DecSTN → BFS 1h 20m · Direct
£18one way, per person
View deal
Ryanair
Depart17:15 Sat 12 DecSTN → BFS 1h 20m · Direct
£18one way, per person
View deal
Ryanair
Depart08:15 Thu 31 DecSTN → BFS 1h 20m · Direct
£18one way, per person
View deal
See every date in December 2026 →

Plan the rest of your trip to Belfast

Where to stay, what to do and getting around, from our travel partners.

Where to stay

Hotels in BelfastCompare places to stay on Booking.com Find hotels →

Things to do

Things to do in BelfastTours, attractions and day trips on Klook Explore →

Getting around

Airport transfer in BelfastPre-book a driver to meet you at arrivals, with Kiwitaxi Book a transfer → Car hire in BelfastCompare rental cars from major brands on EconomyBookings Compare cars →

About flights from London to Belfast

London (LON) and Belfast (BFS) are about 520 km apart. Direct flights take around 1h 15m, and recent direct fares were with Ryanair, easyJet and Ryanair UK. Over the next few months, one-way fares start from £14, and December 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from London to Belfast?

The cheapest one-way fare we've seen recently is £14 with easyJet, departing Monday, 21 December 2026. Over the coming months, the lowest fare in each month ranges from £14 to £61.

What is the cheapest month to fly from London to Belfast?

December 2026 currently has the lowest fares, from £14 one way.

Are there direct flights from London to Belfast?

Yes. Recent direct fares were with Ryanair, easyJet and Ryanair UK.

How long is the flight from London to Belfast?

A direct flight takes about 1h 15m. London and Belfast are around 520 km apart.

Which airlines fly from London to Belfast?

Recent fares on this route were with Ryanair, easyJet and Ryanair UK.

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