Cheapest return flights from Ontario to Las Vegas in August from 154€

AirHint found the following cheapest return flights from Ontario (ONT) to Las Vegas (LAS) in August 2026 (see full year).

Return flights

18 Aug - 22 Aug Frontier Airlines direct
28 Aug - 04 Sep Frontier Airlines direct
22 Aug - 25 Aug Frontier Airlines direct
21 Aug - 24 Aug Frontier Airlines direct
09 Aug - 11 Aug Frontier Airlines direct
06 Aug - 07 Aug Southwest Airlines
17 Aug - 20 Aug Southwest Airlines
09 Aug - 12 Aug Southwest Airlines
13 Aug - 16 Aug Southwest Airlines
23 Aug - 26 Aug Southwest Airlines
25 Aug - 28 Aug Southwest Airlines
27 Aug - 12 Sep Southwest Airlines
29 Aug - 01 Sep Southwest Airlines
31 Aug - 04 Sep Southwest Airlines

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

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