Cheapest one-way flights from Seattle to Vancouver in December from $42

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

One-Way flights

31 Dec Alaska Airlines direct
14 Dec Alaska Airlines direct
03 Dec Alaska Airlines direct
07 Dec Alaska Airlines direct
10 Dec Air Canada direct
17 Dec Air Canada direct
23 Dec Air Canada direct
27 Dec Air Canada direct
13 Dec Air Canada direct
09 Dec Delta direct

Also check the deals for return flights from Seattle to Vancouver 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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