AirHint found the following cheapest return flights from Portland (PDX) to Vancouver (YVR) in October 2025 (see full year).

Return flights

28 Oct - 04 Nov	Delta
27 Oct - 03 Nov	Delta
26 Oct - 02 Nov	Frontier Airlines
23 Oct - 25 Oct	Delta
28 Oct - 04 Nov	Air Canada	direct
23 Oct - 25 Oct	Alaska Airlines	direct
24 Oct - 26 Oct	Alaska Airlines
23 Oct - 27 Oct	Hawaiian Airlines
27 Oct - 03 Nov	Air Canada	direct
26 Oct - 02 Nov	Air Canada	direct
23 Oct - 27 Oct	Air Canada	direct
24 Oct - 26 Oct	Air Canada	direct

Also check the deals for one-way flights from Portland to Vancouver 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 Portland to Vancouver in October from $428

Return flights