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

Return flights

07 Dec - 14 Dec	WestJet	direct
07 Dec - 08 Dec	WestJet	direct
02 Dec - 14 Dec	WestJet
01 Dec - 14 Dec	WestJet	direct
12 Dec - 16 Dec	WestJet
15 Dec - 18 Dec	WestJet	direct
09 Dec - 11 Dec	WestJet
09 Dec - 12 Dec	WestJet
09 Dec - 14 Dec	WestJet
11 Dec - 16 Dec	WestJet
15 Dec - 10 Jan	WestJet
30 Dec - 05 Jan	WestJet
19 Dec - 08 Jan	WestJet
17 Dec - 07 Jan	Porter Airlines (Canada) Ltd	direct
15 Dec - 10 Jan	Porter Airlines (Canada) Ltd	direct
31 Dec - 08 Jan	Air Canada	direct
30 Dec - 06 Jan	WestJet
29 Dec - 10 Jan	WestJet
29 Dec - 05 Jan	WestJet
29 Dec - 08 Jan	WestJet	direct

Also check the deals for one-way flights from Toronto 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 Toronto to Las Vegas in December from $153

Return flights