Cheapest return flights from Las Vegas to Ontario in July from $75

Best time to book flights for Las Vegas (LAS) to Ontario (ONT) flights at AirHint

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

Return flights

17 Jul - 18 Jul Frontier Airlines direct
04 Jul - 11 Jul Frontier Airlines direct
28 Jul - 28 Jul Frontier Airlines direct
21 Jul - 26 Jul Frontier Airlines direct
06 Jul - 17 Jul Frontier Airlines direct
29 Jul - 30 Jul Southwest Airlines direct
30 Jul - 30 Jul Southwest Airlines direct
02 Jul - 03 Jul Southwest Airlines direct
04 Jul - 09 Jul Southwest Airlines direct
31 Jul - 07 Aug Southwest Airlines direct
10 Jul - 14 Jul Southwest Airlines direct
06 Jul - 09 Aug Southwest Airlines direct

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

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.

Book a cheap hotel in Ontario

Cheap car rent in Ontario