Cheapest return flights from San Diego to Calgary in December from $251

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

Return flights

05 Dec - 10 Dec Frontier Airlines
10 Dec - 14 Dec Frontier Airlines
14 Dec - 15 Dec Frontier Airlines
13 Dec - 14 Dec United
05 Dec - 07 Dec Frontier Airlines
19 Dec - 04 Jan Hawaiian Airlines
05 Dec - 07 Dec WestJet direct
24 Dec - 01 Jan Frontier Airlines
14 Dec - 15 Dec WestJet direct
19 Dec - 04 Jan WestJet direct

Also check the deals for one-way flights from San Diego to Calgary 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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