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

Return flights

26 Aug - 09 Sep	Air Canada
05 Aug - 30 Sep	Lufthansa
05 Aug - 26 Sep	Lufthansa
25 Aug - 09 Sep	Lufthansa
23 Aug - 10 Sep	ITA Airways
04 Aug - 27 Aug	Air France
06 Aug - 27 Aug	Air France
03 Aug - 27 Aug	KLM
05 Aug - 27 Aug	KLM
22 Aug - 10 Sep	LOT
08 Aug - 09 Sep	LOT
21 Aug - 03 Sep	Air Canada
07 Aug - 27 Aug	Air France
29 Aug - 12 Sep	LOT
08 Aug - 27 Aug	Norse Atlantic Airways
23 Aug - 06 Sep	LOT
07 Aug - 15 Aug	British Airways
06 Aug - 28 Aug	Norse Atlantic Airways
04 Aug - 28 Aug	Norse Atlantic Airways
06 Aug - 29 Aug	Norse Atlantic Airways

Also check the deals for one-way flights from New York 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 New York to Sofia in August from $380

Return flights