Cheap flights from Las Vegas to Ontario
From 93 USD — compare hundreds of airlines
About this route
Compare flights from Las Vegas to Ontario, a about 321 km route (around 0h 54m nonstop). We gather live prices from hundreds of airlines and agencies so you can find the cheapest and book on the official site, with no hidden fees. Direct flights are available. Airlines such as Southwest Airlines operate this route.
Prices by date
Airlines on this route
FAQ
What's the cheapest month to fly Las Vegas to Ontario?
It's usually 2026-07, from 28 USD. Use the price calendar to compare other dates.
How long is the flight from Las Vegas to Ontario?
A nonstop flight takes about 0h 54m and covers around 321 km. Connecting itineraries take longer.
Are there direct flights from Las Vegas to Ontario?
Yes, this route has nonstop flights. Filter by "nonstop" to see them.
Which airlines fly from Las Vegas to Ontario?
Southwest Airlines operate this route, among others. Compare them all in the results.
When should I book Las Vegas–Ontario flights?
As a rule of thumb, booking 3–8 weeks ahead and avoiding weekends and holidays tends to give the best prices. Use the calendar to spot the cheapest dates.