Cheapest one-way flights from Vancouver to Seattle in December from $61

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

One-Way flights

15 Dec WestJet
12 Dec WestJet
14 Dec WestJet
15 Dec Alaska Airlines direct
14 Dec Alaska Airlines direct
13 Dec Alaska Airlines direct
10 Dec Alaska Airlines direct
16 Dec Alaska Airlines direct
12 Dec Alaska Airlines direct
18 Dec Air Canada direct

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

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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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