AirHint found the following cheapest one-way flights from London (LON) to Belfast (BFS) in May 2026 (see full year).

One-Way flights

19 May	easyJet	direct
05 May	easyJet	direct
28 May	easyJet	direct
30 May	easyJet	direct
31 May	easyJet	direct
09 May	easyJet	direct
04 May	easyJet	direct
20 May	easyJet	direct
14 May	easyJet	direct
01 May	easyJet	direct

Also check the deals for return flights from London to Belfast in May.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in Belfast

Cheap car rent in Belfast

Cheapest one-way flights from London to Belfast in May from $38

One-Way flights