Cheapest return flights from Ontario to Las Vegas in August from 40€

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

Return flights

12 Aug - 19 Aug Frontier Airlines direct
14 Aug - 16 Aug Frontier Airlines direct
23 Aug - 23 Aug Frontier Airlines direct
14 Aug - 18 Aug Frontier Airlines direct
15 Aug - 16 Aug Frontier Airlines direct
11 Aug - 13 Aug Frontier Airlines direct
15 Aug - 18 Aug Frontier Airlines direct
13 Aug - 15 Aug Frontier Airlines direct
28 Aug - 30 Aug Frontier Airlines direct
08 Aug - 11 Aug Frontier Airlines direct
27 Aug - 03 Sep Southwest Airlines direct
29 Aug - 01 Sep Frontier Airlines direct
28 Aug - 16 Sep Southwest Airlines direct
31 Aug - 03 Sep Southwest Airlines direct
30 Aug - 01 Sep Frontier Airlines direct
29 Aug - 20 Sep Southwest Airlines direct
29 Aug - 05 Sep Southwest Airlines direct

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

Skyscanner

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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