Cheapest one-way flights from Vancouver to Seattle in September from $126

AirHint found the following cheapest one-way flights from Vancouver (YVR) to Seattle (SEA) in September 2026 (see full year).

One-Way flights

15 Sep Alaska Airlines direct
09 Sep Alaska Airlines direct
23 Sep Alaska Airlines direct
13 Sep Alaska Airlines direct

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

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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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