AirHint found the following cheapest return flights from Montreal (YUL) to Krakow (KRK) in September 2025 (see full year).

Return flights

27 Sep - 04 Oct	Air Transat
17 Sep - 25 Sep	Air Transat
02 Sep - 09 Sep	Porter Airlines (Canada) Ltd
09 Sep - 16 Sep	Air Transat
29 Sep - 06 Oct	Air Transat
14 Sep - 21 Sep	FrenchBee
25 Sep - 02 Oct	Air Transat
16 Sep - 23 Sep	Porter Airlines (Canada) Ltd
22 Sep - 29 Sep	FrenchBee
26 Sep - 03 Oct	Air Transat
15 Sep - 22 Sep	FrenchBee
04 Sep - 11 Sep	Air Transat
05 Sep - 12 Sep	Air Transat
03 Sep - 10 Sep	FrenchBee
24 Sep - 01 Oct	FrenchBee
15 Sep - 01 Oct	Air Transat
30 Sep - 07 Oct	Porter Airlines (Canada) Ltd
28 Sep - 05 Oct	FrenchBee

Also check the deals for one-way flights from Montreal to Krakow in September.

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 Krakow in September from 506€

Return flights