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

Return flights

22 Aug - 12 Sep	Air Serbia
15 Aug - 07 Sep	Air Serbia
21 Aug - 24 Aug	Ryanair
31 Aug - 02 Sep	transavia
23 Aug - 21 Sep	transavia
06 Aug - 24 Aug	Ryanair
19 Aug - 04 Sep	Air Serbia
14 Aug - 07 Sep	Air Serbia
15 Aug - 04 Sep	Air Serbia
02 Aug - 06 Aug	transavia
02 Aug - 04 Aug	transavia
02 Aug - 05 Aug	transavia
20 Aug - 30 Aug	Air Serbia
06 Aug - 10 Aug	Ryanair
02 Aug - 06 Sep	easyJet
02 Aug - 07 Aug	transavia
22 Aug - 26 Aug	Lufthansa
08 Aug - 25 Aug	Austrian Airlines

Also check the deals for one-way flights from Amsterdam to Sofia in August.

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 August from 204€

Return flights