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

Return flights

05 Dec - 08 Dec	Ryanair
08 Dec - 13 Dec	easyJet
09 Dec - 13 Dec	Ryanair
02 Dec - 08 Dec	easyJet
08 Dec - 11 Dec	easyJet
01 Dec - 03 Dec	transavia
12 Dec - 16 Dec	transavia
01 Dec - 15 Dec	transavia
06 Dec - 18 Jan	Ryanair
01 Dec - 08 Dec	easyJet
09 Dec - 14 Dec	Ryanair
16 Dec - 08 Jan	easyJet
28 Dec - 08 Jan	Air Serbia
16 Dec - 01 Jan	easyJet
16 Dec - 09 Jan	easyJet
25 Dec - 01 Jan	Air Serbia
16 Dec - 07 Jan	easyJet
26 Dec - 10 Jan	Air Serbia
12 Dec - 11 Jan	transavia
12 Dec - 07 Jan	easyJet

Also check the deals for one-way flights from Amsterdam 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 Amsterdam to Sofia in December from 141€

Return flights