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

Return flights

02 Sep - 09 Sep	Air Transat
16 Sep - 23 Sep	Porter Airlines (Canada) Ltd
03 Sep - 10 Sep	Air Transat
29 Sep - 06 Oct	Air Transat
09 Sep - 16 Sep	Porter Airlines (Canada) Ltd
04 Sep - 11 Sep	Air Transat
27 Sep - 04 Oct	Air Transat
30 Sep - 07 Oct	Air Transat
05 Sep - 12 Sep	Air Transat
24 Sep - 01 Oct	FrenchBee
11 Sep - 18 Sep	Air Transat
18 Sep - 25 Sep	Air Transat
10 Sep - 17 Sep	FrenchBee
17 Sep - 24 Sep	Air Transat
25 Sep - 02 Oct	Air Transat
26 Sep - 03 Oct	FrenchBee
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 529€

Return flights