AirHint found the following cheapest return flights from Hamilton (YHM) to Paris (CDG) in October 2025 (see full year).

Return flights

21 Oct - 28 Oct	Porter Airlines (Canada) Ltd
29 Oct - 04 Nov	WestJet
16 Oct - 28 Oct	WestJet
06 Oct - 16 Oct	WestJet
10 Oct - 16 Oct	WestJet
10 Oct - 17 Oct	WestJet
03 Oct - 16 Oct	WestJet
22 Oct - 29 Oct	WestJet
18 Oct - 19 Oct	WestJet
16 Oct - 20 Oct	WestJet
12 Oct - 19 Oct	WestJet

Also check the deals for one-way flights from Hamilton to Paris 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 Hamilton to Paris in October from $682

Return flights