AirHint found the following cheapest return flights from Calgary (YYC) to Las Vegas (LAS) in December 2025 (see full year).

Return flights

04 Dec - 08 Dec	WestJet
05 Dec - 08 Dec	WestJet
10 Dec - 14 Dec	WestJet
11 Dec - 14 Dec	WestJet
05 Dec - 07 Dec	WestJet
21 Dec - 25 Dec	WestJet	direct
19 Dec - 26 Dec	WestJet
25 Dec - 31 Dec	WestJet	direct
24 Dec - 31 Dec	WestJet	direct
19 Dec - 26 Dec	WestJet	direct
25 Dec - 01 Jan	WestJet
30 Dec - 03 Jan	WestJet	direct
25 Dec - 02 Jan	WestJet
27 Dec - 03 Jan	United
28 Dec - 02 Jan	WestJet
27 Dec - 03 Jan	WestJet	direct

Also check the deals for one-way flights from Calgary to Las Vegas 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 Las Vegas in December from 151€

Return flights