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

Return flights

14 Dec - 16 Dec	WestJet	direct
05 Dec - 09 Dec	WestJet
06 Dec - 08 Dec	WestJet
01 Dec - 08 Dec	WestJet
11 Dec - 15 Dec	WestJet
13 Dec - 26 Dec	WestJet	direct
04 Dec - 08 Dec	WestJet
16 Dec - 21 Dec	WestJet	direct
12 Dec - 15 Dec	WestJet	direct
16 Dec - 23 Dec	WestJet	direct
28 Dec - 01 Jan	WestJet
30 Dec - 05 Jan	WestJet
30 Dec - 03 Jan	WestJet	direct
29 Dec - 02 Jan	WestJet
30 Dec - 05 Jan	WestJet	direct
31 Dec - 02 Jan	WestJet
29 Dec - 04 Jan	WestJet
29 Dec - 04 Jan	WestJet	direct
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 134€

Return flights