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

Return flights

01 Apr - 19 Apr	Wizz Air	direct
01 Apr - 20 Apr	Wizz Air	direct
17 Apr - 03 May	Wizz Air	direct
17 Apr - 19 Apr	Wizz Air	direct
17 Apr - 29 Apr	Wizz Air	direct
17 Apr - 20 Apr	Wizz Air	direct
30 Apr - 03 May	Austrian Airlines
01 Apr - 01 Apr	Austrian Airlines
30 Apr - 03 May	LOT	direct

Also check the deals for one-way flights from Warsaw 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 Warsaw to Sofia in April from 84€

Return flights