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

Return flights

14 Oct - 21 Oct	Austrian Airlines
15 Oct - 22 Oct	FrenchBee
22 Oct - 29 Oct	FrenchBee
19 Oct - 26 Oct	FrenchBee
01 Oct - 08 Oct	FrenchBee
05 Oct - 12 Oct	FrenchBee
22 Oct - 12 Nov	FrenchBee
24 Oct - 31 Oct	FrenchBee
08 Oct - 27 Oct	British Airways
21 Oct - 28 Oct	British Airways
08 Oct - 15 Oct	British Airways
21 Oct - 18 Nov	British Airways
21 Oct - 12 Nov	British Airways
26 Oct - 02 Nov	British Airways
28 Oct - 04 Nov	British Airways
28 Oct - 11 Nov	British Airways
29 Oct - 05 Nov	FrenchBee
25 Oct - 01 Nov	Air Transat
30 Oct - 06 Nov	British Airways
24 Oct - 15 Nov	FrenchBee

Also check the deals for one-way flights from Montreal 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 Montreal to Warsaw in October from 446€

Return flights