The minimum one-way ticket price from Ontario to Las Vegas is $29 (January 2026), while the maximum is $159 (July 2026). On average, a ticket costs $64–$76.
Airlines operating on route
Direct Flights from Ontario to Las Vegas
A direct flight is the most convenient and comfortable way to fly from Ontario to Las Vegas, despite the fact that sometimes flights with transfers can cost significantly less.
Schedule of direct flights from Ontario to Las Vegas
A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from Ontario to Las Vegas:
Ontario airports overview
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Las Vegas airports overview
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Frequently asked questions (FAQ)
Answers to questions about the route that travelers are most interested in.
Special offers and sales on air tickets from Ontario to Las Vegas
We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.
Alternative routes
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Cheapest one way flight
$22
Spirit Airlines
Direct flight
1h 16m
11/11/2025
The cheapest one-way flight from Ontario to Las Vegas departs on 11/11/2025, is operated by Spirit Airlines and costs $22
Cheapest round trip flight
$49
Spirit Airlines
Direct flight
2h 31m
11/12/2025
The cheapest roundtrip flight from Ontario to Las Vegas departs on 11/12/2025, is operated by Spirit Airlines and costs $49
The fastest flight
1h 7m
Fastest flight from Ontario to Las Vegas takes 1h 7m
Direct flights
Every day
There are direct flights on this route 7 days a week: Su, Mo, Tu, We, Th, Fr, and Sa
Earliest flight
5:30 AM
Latest flight
10:47 PM
Direct flights count
60
Distance
321km
Timezone difference
0h
The distance between Ontario and Las Vegas is 321km (199 miles). There are 60 direct flights from Ontario to Las Vegas. Ontario and Las Vegas are in the same time zone. Flights from Ontario begin at 5:30 AM. The latest flight from Ontario departs at 10:47 PM
January 2026
Lowest price
on average:
$29
July 2026
Highest price
on average:
$159
Avg Price
The route Ontario — Las Vegas is served by several airlines: Spirit Airlines, Frontier Airlines, and United Airlines. This gives passengers more freedom in choosing flights. You can consider not only the price but also schedules, baggage policies, and onboard service. Our service compares all offers so you can find tickets from $22 and choose the most convenient option. Thanks to airline competition, you may also find promotional fares or special offers, helping you save even more. Plan your trip in advance and choose the best flights without overpaying.
How much is the cheapest flight ticket from Ontario to Las Vegas?
The cheapest flight ticket from Ontario to Las Vegas according to data for the last 48 hours costs $22
When is the best time to buy air tickets on the route Ontario — Las Vegas?
Often the best time to buy tickets from Ontario to Las Vegas is 2 months before departure.
When is the cheapest time of year to fly from Ontario to Las Vegas?
Based on statistics over the past years, the lowest prices for flights from Ontario to Las Vegas can be found flying in these months: January, December, November.
How long does it take to fly from Ontario to Las Vegas?
The fastest flights from Ontario to Las Vegas start from 1 hour 7 minutes in the air.
Which airline can fly direct from Ontario to Las Vegas?
The following airlines operate direct flights on the route Ontario — Las Vegas: Spirit Airlines, Frontier Airlines
We couldn't find any special offers for flights from Ontario to Las Vegas
