AirHint found the following cheapest return flights from London (STN) to Belfast (BFS)
in December 2025 (see full year ).
Return flights
01 Dec
- 12 Dec
easyJet
53 €
direct
12 Dec
- 15 Dec
easyJet
59 €
direct
05 Dec
- 07 Dec
Ryanair
64 €
direct
12 Dec
- 19 Dec
Ryanair
64 €
direct
12 Dec
- 21 Dec
Ryanair
64 €
direct
12 Dec
- 12 Dec
Ryanair
64 €
direct
12 Dec
- 18 Dec
Ryanair
64 €
direct
12 Dec
- 22 Dec
Ryanair
64 €
direct
12 Dec
- 20 Dec
Ryanair
64 €
direct
10 Dec
- 19 Dec
Ryanair
64 €
direct
30 Dec
- 01 Jan
Ryanair
64 €
direct
12 Dec
- 01 Jan
Ryanair
64 €
direct
10 Dec
- 04 Jan
Ryanair
64 €
direct
27 Dec
- 01 Jan
Ryanair
64 €
direct
27 Dec
- 15 Jan
Ryanair
64 €
direct
27 Dec
- 04 Jan
Ryanair
64 €
direct
27 Dec
- 05 Jan
Ryanair
64 €
direct
30 Dec
- 15 Jan
Ryanair
64 €
direct
30 Dec
- 19 Jan
Ryanair
64 €
direct
30 Dec
- 04 Jan
Ryanair
64 €
direct
Also check the deals for one-way flights from London to Belfast in December .
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.