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
05 Dec - 08 Dec	WestJet
10 Dec - 17 Dec	WestJet
12 Dec - 17 Dec	WestJet
09 Dec - 16 Dec	Frontier Airlines
04 Dec - 08 Dec	Frontier Airlines
22 Dec - 06 Jan	Frontier Airlines
23 Dec - 05 Jan	Frontier Airlines
23 Dec - 30 Dec	Frontier Airlines
18 Dec - 29 Dec	Frontier Airlines
14 Dec - 18 Dec	United
17 Dec - 25 Dec	WestJet
25 Dec - 01 Jan	Frontier Airlines
22 Dec - 06 Jan	Air Canada	direct
23 Dec - 05 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 138€

Return flights