Cheapest return flights from New York to Sofia in September from $386

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

Return flights

08 Sep - 24 Sep SWISS
23 Sep - 07 Oct SWISS
08 Sep - 23 Sep Austrian Airlines
15 Sep - 15 Oct Air Canada
07 Sep - 23 Sep SWISS
16 Sep - 23 Sep Air Canada
27 Sep - 08 Oct Air Canada
11 Sep - 18 Sep SWISS
03 Sep - 27 Sep SWISS
14 Sep - 04 Oct Air France
06 Sep - 10 Sep FrenchBee
11 Sep - 21 Sep Austrian Airlines
13 Sep - 27 Sep Air France
05 Sep - 21 Sep Air Canada

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

Skyscanner

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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