AirHint found the following cheapest return flights from San Diego (SAN) to Vancouver (YVR) in December 2025 (see full year).

Return flights

12 Dec - 15 Dec	WestJet
11 Dec - 14 Dec	Frontier Airlines
12 Dec - 17 Dec	WestJet
01 Dec - 07 Dec	Frontier Airlines
23 Dec - 04 Jan	Frontier Airlines
14 Dec - 18 Dec	United
04 Dec - 10 Dec	Air Canada	direct
30 Dec - 06 Jan	Frontier Airlines
26 Dec - 04 Jan	Frontier Airlines
11 Dec - 26 Dec	Frontier Airlines
29 Dec - 02 Jan	Frontier Airlines
30 Dec - 06 Jan	Air Canada	direct
19 Dec - 19 Dec	Delta
12 Dec - 15 Dec	Air Canada	direct
23 Dec - 04 Jan	Air Canada	direct
21 Dec - 27 Dec	Delta
26 Dec - 04 Jan	Air Canada	direct
29 Dec - 02 Jan	Air Canada	direct

Also check the deals for one-way flights from San Diego to Vancouver in December.

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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Cheapest return flights from San Diego to Vancouver in December from $161

Return flights