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

Return flights

19 Oct - 26 Oct	British Airways
21 Oct - 28 Oct	British Airways
27 Oct - 03 Nov	British Airways
26 Oct - 02 Nov	British Airways
28 Oct - 04 Nov	British Airways
06 Oct - 13 Oct	Air Transat
01 Oct - 08 Oct	Air France
05 Oct - 12 Oct	Air France
09 Oct - 16 Oct	Air France
13 Oct - 20 Oct	Air France
17 Oct - 24 Oct	Air France
02 Oct - 09 Oct	Air France
04 Oct - 11 Oct	Air France
25 Oct - 01 Nov	KLM
30 Oct - 06 Nov	Air Canada
31 Oct - 07 Nov	SWISS

Also check the deals for one-way flights from Montreal to Stockholm 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 Stockholm in October from 540€

Return flights