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

Return flights

21 Apr - 05 May	SWISS
22 Apr - 06 May	SWISS
22 Apr - 05 May	SWISS
22 Apr - 07 May	SWISS
22 Apr - 08 May	SWISS
05 Apr - 01 May	British Airways
22 Apr - 09 May	SWISS
22 Apr - 10 May	SWISS
04 Apr - 01 May	British Airways
07 Apr - 21 Apr	SWISS
05 Apr - 02 May	Lufthansa
10 Apr - 24 Apr	Austrian Airlines

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

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 April from 333€

Return flights