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

Return flights

24 Sep - 30 Sep	Wizz Air
25 Sep - 03 Oct	Air Serbia
23 Sep - 30 Sep	Ryanair
25 Sep - 28 Sep	Wizz Air
26 Sep - 03 Oct	Ryanair
10 Sep - 20 Sep	British Airways
10 Sep - 23 Sep	Ryanair
21 Sep - 05 Oct	Wizz Air
10 Sep - 29 Sep	KLM
11 Sep - 24 Sep	KLM
19 Sep - 26 Sep	KLM
20 Sep - 27 Sep	LOT
16 Sep - 23 Sep	LOT
27 Sep - 06 Oct	Turkish Airlines
20 Sep - 05 Oct	Lufthansa

Also check the deals for one-way flights from Sofia to New York in September.

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 Sofia to New York in September from $460

Return flights