Cheapest return SOF–JFK flights, September

AirHint found the following cheapest return flights from Sofia (SOF) to New York (JFK) in September 2026 (see full year).

Return flights

24 Sep - 01 Oct Ryanair
10 Sep - 20 Sep Ryanair
24 Sep - 11 Oct Ryanair
15 Sep - 19 Sep Ryanair
22 Sep - 29 Sep Bulgaria Air
21 Sep - 01 Oct Ryanair
25 Sep - 03 Oct Ryanair
23 Sep - 29 Sep Aegean Airlines
21 Sep - 28 Sep Aegean Airlines
26 Sep - 03 Oct LOT
26 Sep - 07 Oct LOT
25 Sep - 02 Oct LOT
24 Sep - 02 Oct LOT
14 Sep - 18 Sep Air Serbia
14 Sep - 19 Sep Air Serbia
23 Sep - 30 Sep Aegean Airlines
23 Sep - 18 Oct KLM
21 Sep - 26 Sep British Airways

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

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