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

Return flights

03 Dec - 10 Dec	Ryanair	direct
06 Dec - 07 Dec	Ryanair
04 Dec - 07 Dec	Ryanair	direct
06 Dec - 07 Dec	Ryanair	direct
06 Dec - 09 Dec	Ryanair	direct
10 Dec - 14 Dec	Ryanair	direct
06 Dec - 06 Dec	Ryanair	direct
09 Dec - 16 Dec	Ryanair	direct
09 Dec - 14 Dec	Ryanair	direct
11 Dec - 14 Dec	Ryanair
29 Dec - 07 Jan	Ryanair
13 Dec - 02 Jan	easyJet
23 Dec - 06 Jan	easyJet
27 Dec - 02 Jan	Ryanair
28 Dec - 04 Jan	Ryanair
23 Dec - 04 Jan	easyJet
21 Dec - 04 Jan	easyJet
23 Dec - 06 Jan	Ryanair	direct
28 Dec - 03 Jan	Ryanair
17 Dec - 03 Jan	Ryanair

Also check the deals for one-way flights from Bristol 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 Bristol to Sofia in December from $86

Return flights