Cheapest one-way flights from Vancouver to Seattle in September from $105

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

One-Way flights

10 Sep Alaska Airlines direct
03 Sep Alaska Airlines direct
22 Sep Alaska Airlines direct
30 Sep Alaska Airlines direct
09 Sep Air Canada direct
01 Sep Air Canada direct
24 Sep Air Canada direct
05 Sep Harbour Air direct
16 Sep Harbour Air direct
27 Sep Harbour Air 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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