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

Return flights

26 Sep - 03 Oct	FrenchBee
05 Sep - 12 Sep	FrenchBee
19 Sep - 26 Sep	FrenchBee
27 Sep - 04 Oct	Air Transat
03 Sep - 10 Sep	FrenchBee
12 Sep - 19 Sep	FrenchBee
04 Sep - 11 Sep	Air Transat
02 Sep - 09 Sep	Air Transat
28 Sep - 05 Oct	FrenchBee
08 Sep - 15 Sep	Air Transat
21 Sep - 28 Sep	Air Transat
30 Sep - 07 Oct	Air Transat
14 Sep - 21 Sep	Air Transat
01 Sep - 08 Sep	Air Transat
25 Sep - 02 Oct	Air Transat
29 Sep - 06 Oct	Air Transat
24 Sep - 01 Oct	Air Canada

Also check the deals for one-way flights from Montreal to Mykonos 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 Mykonos in September from 566€

Return flights