Cheapest return flights from London to Belfast in December from $66

Best time to book flights for London (STN) to Belfast (BFS) flights at AirHint

AirHint found the following cheapest return flights from London (STN) to Belfast (BFS) in December 2025 (see full year).

Return flights

12 Dec - 14 Dec easyJet direct
02 Dec - 04 Dec easyJet direct
11 Dec - 14 Jan easyJet direct
13 Dec - 14 Dec Ryanair direct
13 Dec - 24 Dec Ryanair direct
13 Dec - 18 Dec Ryanair direct
13 Dec - 22 Dec Ryanair direct
13 Dec - 21 Dec Ryanair direct
13 Dec - 17 Dec Ryanair direct
13 Dec - 23 Dec Ryanair direct
12 Dec - 12 Dec Ryanair direct
31 Dec - 15 Jan Ryanair direct
31 Dec - 01 Jan Ryanair direct
31 Dec - 09 Jan Ryanair direct
31 Dec - 10 Jan Ryanair direct
31 Dec - 12 Jan Ryanair direct
31 Dec - 07 Jan Ryanair direct
31 Dec - 17 Jan Ryanair direct
31 Dec - 14 Jan Ryanair direct
31 Dec - 21 Jan Ryanair direct

Also check the deals for one-way flights from London to Belfast in December.

Skyscanner

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