Cheapest return flights from Ontario to Las Vegas in June from 216€

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

Return flights

03 Jun - 17 Jun Southwest Airlines
16 Jun - 23 Jun Southwest Airlines
10 Jun - 15 Jun Southwest Airlines
10 Jun - 12 Jun Southwest Airlines
03 Jun - 08 Jun Southwest Airlines
27 Jun - 04 Jul Southwest Airlines
10 Jun - 13 Jun Southwest Airlines
05 Jun - 08 Jun Southwest Airlines
26 Jun - 29 Jun Southwest Airlines
24 Jun - 27 Jun Southwest Airlines
12 Jun - 19 Jun Southwest Airlines
27 Jun - 02 Jul Southwest Airlines

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

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