AirHint found the following cheapest return flights from Calgary (YYC) to Los Angeles (LAX) in December 2025 (see full year).

Return flights

15 Dec - 16 Dec	WestJet
10 Dec - 13 Dec	Flair Airlines
16 Dec - 13 Jan	Flair Airlines
13 Dec - 24 Dec	WestJet
17 Dec - 25 Dec	WestJet
12 Dec - 14 Dec	WestJet
16 Dec - 07 Jan	Flair Airlines
09 Dec - 16 Dec	WestJet
14 Dec - 16 Dec	Delta
17 Dec - 31 Dec	WestJet	direct
12 Dec - 15 Dec	Delta
30 Dec - 10 Jan	WestJet
16 Dec - 19 Dec	WestJet
31 Dec - 06 Jan	WestJet
30 Dec - 06 Jan	WestJet
16 Dec - 13 Jan	WestJet	direct
25 Dec - 01 Jan	Delta
28 Dec - 02 Jan	WestJet	direct
28 Dec - 03 Jan	WestJet	direct
29 Dec - 02 Jan	WestJet	direct

Also check the deals for one-way flights from Calgary to Los Angeles 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 Calgary to Los Angeles in December from 164€

Return flights