AirHint found the following cheapest return flights from Birmingham (BHX) to Sofia (SOF) in December 2025 (see full year).

Return flights

09 Dec - 12 Dec	Ryanair	direct
09 Dec - 11 Dec	Ryanair	direct
11 Dec - 13 Dec	Ryanair	direct
09 Dec - 18 Dec	Ryanair	direct
09 Dec - 13 Dec	Ryanair	direct
11 Dec - 18 Dec	Ryanair	direct
08 Dec - 11 Dec	Ryanair
16 Dec - 18 Dec	Ryanair	direct
09 Dec - 23 Dec	Ryanair	direct
11 Dec - 23 Dec	Ryanair	direct
16 Dec - 01 Jan	Ryanair	direct
27 Dec - 01 Jan	Lufthansa
27 Dec - 03 Jan	Lufthansa
18 Dec - 01 Jan	Ryanair	direct
28 Dec - 04 Jan	Ryanair
16 Dec - 03 Jan	Ryanair	direct
23 Dec - 01 Jan	Ryanair	direct
27 Dec - 15 Jan	Ryanair	direct
19 Dec - 01 Jan	Ryanair	direct
27 Dec - 01 Jan	Ryanair	direct

Also check the deals for one-way flights from Birmingham to Sofia 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.

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Cheapest return flights from Birmingham to Sofia in December from $127

Return flights