AirHint found the following cheapest return flights from Warsaw (WAW) to Sofia (SOF) in October 2025 (see full year).

Return flights

31 Oct - 27 Nov	Ryanair
27 Oct - 29 Oct	Ryanair
28 Oct - 29 Oct	Wizz Air
28 Oct - 30 Oct	Wizz Air
30 Oct - 02 Nov	Ryanair
30 Oct - 01 Nov	Wizz Air
29 Oct - 29 Oct	Wizz Air
25 Oct - 28 Oct	Ryanair
29 Oct - 30 Oct	Wizz Air
27 Oct - 30 Oct	Ryanair
22 Oct - 25 Oct	Ryanair
26 Oct - 28 Oct	Wizz Air
22 Oct - 23 Oct	Ryanair
31 Oct - 02 Nov	Ryanair
26 Oct - 02 Nov	Wizz Air
31 Oct - 27 Nov	LOT	direct
31 Oct - 02 Nov	LOT	direct
29 Oct - 17 Nov	SKY express
29 Oct - 18 Nov	SKY express
29 Oct - 15 Nov	SKY express

Also check the deals for one-way flights from Warsaw to Sofia in October.

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 October from $134

Return flights