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
22 Aug - 25 Aug Frontier Airlines direct
21 Aug - 24 Aug Frontier Airlines direct
09 Aug - 11 Aug Frontier Airlines direct
03 Aug - 05 Aug Southwest Airlines
03 Aug - 06 Aug Southwest Airlines
13 Aug - 15 Aug Southwest Airlines
13 Aug - 14 Aug Southwest Airlines
15 Aug - 16 Aug Southwest Airlines
30 Aug - 31 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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