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

Return flights

29 Oct - 05 Nov	Brussels Airlines
02 Oct - 09 Oct	Air Transat
09 Oct - 16 Oct	Air Transat
15 Oct - 22 Oct	FrenchBee
01 Oct - 08 Oct	TAP
21 Oct - 28 Oct	Porter Airlines (Canada) Ltd
06 Oct - 13 Oct	FrenchBee
28 Oct - 05 Nov	Air Transat
28 Oct - 11 Nov	Air Transat
22 Oct - 29 Oct	FrenchBee
16 Oct - 23 Oct	Air Transat
28 Oct - 04 Nov	Air Transat
05 Oct - 12 Oct	Air Transat
13 Oct - 20 Oct	Air Transat
25 Oct - 01 Nov	Air Transat
28 Oct - 24 Nov	British Airways
26 Oct - 02 Nov	British Airways
27 Oct - 03 Nov	British Airways
26 Oct - 04 Nov	British Airways
28 Oct - 21 Nov	Air Canada

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 $283

Return flights