Your next trip, last seen at €104
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The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.
Short answer
We have seen Frontier Airlines fares from Las Vegas to Ontario. The lowest fare our own searches returned is €104, seen on 10 Oct 2026. The average across the fares we caught is €130. November 2026 is the cheapest month in our observations, at €79. These are prices our searches returned on the dates shown, not quotes; run a live search for today's fare.
Short answer
We have seen Frontier Airlines fares from Las Vegas to Ontario. The lowest fare our own searches returned is €104, seen on 10 Oct 2026. The average across the fares we caught is €130. November 2026 is the cheapest month in our observations, at €79. These are prices our searches returned on the dates shown, not quotes; run a live search for today's fare.
About this route
Explore the fares we observed from Las Vegas to Ontario. Prices move often, so pick your dates to see the latest options.
- Route distance
- 328 km
- Airlines seen
- Frontier Airlines
Route-level information; individual journeys vary.
Published schedules report non-stop service with Southwest Airlines. Check current timetables.
A clearer picture of your fare
Frequently asked
How much is a flight from Las Vegas to Ontario?
The lowest fare we have observed is €104, found on 10 Oct 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from Las Vegas to Ontario?
In our observations November 2026 is the cheapest month so far, at €79.
Are there direct flights from Las Vegas to Ontario?
Yes. We have seen non-stop flights on this route, flown by Southwest Airlines.
Which airlines fly from Las Vegas to Ontario?
These are the carriers we have seen on the route: Frontier Airlines.
How many of the observed Las Vegas to Ontario fares were non-stop?
12 of the 14 fares we observed were non-stop; the rest included at least one stop. That describes our observations, not every flight that operates.
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide
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Recently observed fares. Prices may change.
Last checked: 10 Oct 2026