Cheapest return flights from New York to Sofia in September from 370€

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

Return flights

16 Sep - 30 Sep SWISS
16 Sep - 01 Oct SWISS
29 Sep - 13 Oct SWISS
17 Sep - 30 Sep LOT
12 Sep - 25 Sep SWISS
12 Sep - 26 Sep SWISS
26 Sep - 09 Oct Austrian Airlines
18 Sep - 30 Sep SWISS
26 Sep - 08 Oct SWISS
26 Sep - 10 Oct SWISS
26 Sep - 07 Oct SWISS

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

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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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