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

Return flights

28 Oct - 04 Nov	Lufthansa
19 Oct - 08 Nov	SWISS
23 Oct - 05 Nov	Lufthansa
26 Oct - 01 Nov	Lufthansa
24 Oct - 31 Oct	Lufthansa
16 Oct - 08 Nov	SWISS
21 Oct - 28 Oct	Lufthansa
17 Oct - 08 Nov	Lufthansa
29 Oct - 05 Nov	Delta
29 Oct - 04 Nov	Iberia
20 Oct - 27 Oct	SWISS
20 Oct - 28 Oct	SWISS
19 Oct - 28 Oct	Lufthansa
17 Oct - 28 Oct	Lufthansa
18 Oct - 25 Oct	Lufthansa
17 Oct - 25 Oct	Lufthansa

Also check the deals for one-way flights from Boston to Warsaw 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 Boston to Warsaw in October from 304€

Return flights