Cheapest return flights from Ontario to Las Vegas in June from 76€

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

Return flights

01 Jun - 05 Jun Frontier Airlines direct
01 Jun - 03 Jun Frontier Airlines direct
02 Jun - 10 Jun Southwest Airlines direct
05 Jun - 07 Jun Frontier Airlines direct
17 Jun - 25 Jun Frontier Airlines direct
12 Jun - 14 Jun Frontier Airlines direct
12 Jun - 13 Jun Frontier Airlines direct
19 Jun - 21 Jun Frontier Airlines direct
03 Jun - 11 Jun Southwest Airlines
10 Jun - 16 Jun Southwest Airlines
30 Jun - 02 Jul Southwest Airlines
30 Jun - 04 Jul Southwest Airlines
24 Jun - 03 Jul Southwest Airlines
23 Jun - 03 Jul Southwest Airlines
28 Jun - 02 Jul Southwest Airlines
28 Jun - 03 Jul Southwest Airlines
28 Jun - 04 Jul Southwest Airlines
28 Jun - 07 Jul Southwest Airlines
28 Jun - 08 Jul Southwest Airlines
28 Jun - 05 Jul Southwest Airlines direct

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

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