Flights from Ontario/LA, CA to Las Vegas, NV

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Best Deals on Flights From Ontario/LA, CA (ONT) to Las Vegas, NV (LAS)

*Prices found by others in the previous 48 hours for round-trip flights. Prices shown may also require membership in our travel club, Discount Den.

Flights Deals from Ontario/LA, CA to Las Vegas, NV on Frontier

$
Flights Deals from Ontario/LA, CA to Las Vegas, NV on Frontier
From
To
Ontario/LA, CA (ONT)Las Vegas, NV (LAS)One-way
/
Discount Den Basic Fare		Departing May 16, 2026

From

$39

Last seen: 13 hours ago

*Prices found by others in the previous 48 hours for one-way flights. Prices shown may also require membership in our travel club, Discount Den®.

Ontario/LA, CA Las Vegas, NV

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