Cheapest one-way flights from Seattle to Vancouver in September from $88

AirHint found the following cheapest one-way flights from Seattle (SEA) to Vancouver (YVR) in September 2025 (see full year).

One-Way flights

22 Sep Alaska Airlines direct
21 Sep Alaska Airlines direct
25 Sep Alaska Airlines direct
27 Sep Alaska Airlines direct
26 Sep Alaska Airlines direct
20 Sep Alaska Airlines direct
23 Sep Alaska Airlines direct
24 Sep Alaska Airlines direct
29 Sep Alaska Airlines direct

Also check the deals for return flights from Seattle to Vancouver in September.

Skyscanner

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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