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

Return flights

09 Aug - 12 Aug	WestJet
18 Aug - 21 Aug	WestJet
15 Aug - 18 Aug	WestJet
06 Aug - 10 Aug	WestJet
04 Aug - 06 Aug	WestJet
18 Aug - 20 Aug	WestJet
07 Aug - 10 Aug	WestJet
15 Aug - 17 Aug	WestJet
12 Aug - 15 Aug	WestJet
01 Aug - 07 Aug	WestJet
29 Aug - 02 Sep	WestJet	direct
31 Aug - 02 Sep	WestJet
31 Aug - 02 Sep	WestJet	direct
28 Aug - 01 Sep	Alaska Airlines
29 Aug - 01 Sep	WestJet
29 Aug - 01 Sep	WestJet	direct

Also check the deals for one-way flights from Calgary to Las Vegas in August.

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 August from 168€

Return flights