Cheap Flights from Ontario, CA to Las Vegas, NV from $50

On Cheapflightsplus.com you will find 3 direct and 206 connecting flights from Ontario to Las Vegas. You can compare airfare deals from 4 airlines and multiple travel sites from $50, book and save on cheap plane tickets and last minute offers. Also check out ONT-LAS flight schedule to find best flight time, convenient departure and arrival airports.

Flight Information

Below we will explain in detail what the flights cost on the destination from Ontario to Las Vegas depends on and how to choose the most interesting flight option for you.

Distance between Ontario and Las Vegas is 317 miles. Time difference between the cities is 0h. Airplanes depart 00:59 to 21:41 from 2 Ontario airports and arrive 00:59 to 21:41 to 1 Las Vegas airport. Average flight time is 1h 10m.

  • The fastest flight 1h 9m
  • Average flight time 1h 10m
  • The earliest flight 00:59
  • The latest flight 21:41
  • Distance 197 ml

The cheapest months to travel to Las Vegas are august (from 50 $), july (from 55 $), january (from 98 $).

The most expensive months are september (from 167 $), october (from 167 $), january (from 98 $).

What is the lowest airfare Ontario to Las Vegas?

The cheapest plane ticket found by our users is $50. This airfare is for economy class on one-way F92232 flight by Frontier Airlines for July 4, 2025 which leaves Ontario Int. in Ontario at 06:00 am and arrives at Las Vegas Mccarran at 07:10.

Economy class
$50
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Business class
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First class
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Flight Schedule Ontario (California) to Las Vegas (Nevada)

00:59 — 07:59
7h flight time
Find flight
from$71
00:59 — 04:22 Ontario — Denver
F91500 Frontier Airlines
2h 41m stop
08:05 — 09:10 Denver — Las Vegas
F92015 Frontier Airlines
00:59 — 18:56
17h 57m flight time
Find flight
from$77
00:59 — 04:19 Ontario — Denver
F91500 Frontier Airlines
13h 32m stop
17:51 — 18:56 Denver — Las Vegas
F94967 Frontier Airlines
00:59 — 11:02
10h 3m flight time
Find flight
from$83
00:59 — 04:19 Ontario — Denver
F91500 Frontier Airlines
5h 41m stop
10:00 — 11:02 Denver — Las Vegas
F91993 Frontier Airlines
00:59 — 14:40
13h 41m flight time
Find flight
from$84
00:59 — 04:19 Ontario — Denver
F91500 Frontier Airlines
9h 14m stop
13:33 — 14:40 Denver — Las Vegas
F92349 Frontier Airlines
06:00 — 07:10
1h 10m flight time
Find flight
from$50
Ontario — Las Vegas
F92232 Frontier Airlines
12:37 — 13:48
1h 11m flight time
Find flight
from$50
Ontario — Las Vegas
F91358 Frontier Airlines
12:48 — 20:25
7h 37m flight time
Find flight
from$71
12:48 — 18:19 Ontario — Houston
F93132 Frontier Airlines
55m stop
19:14 — 20:32 Houston — Las Vegas
F94131 Frontier Airlines
17:21 — 23:34
6h 13m flight time
Find flight
from$78
17:21 — 20:44 Ontario — Denver
F92908 Frontier Airlines
1h 45m stop
22:29 — 23:34 Denver — Las Vegas
F9777 Frontier Airlines
17:21 — 07:59+1day
14h 38m flight time
Find flight
from$84
17:21 — 20:44 Ontario — Denver
F92908 Frontier Airlines
10h 16m stop
07:00 — 07:59 Denver — Las Vegas
F92015 Frontier Airlines
17:21 — 14:40+1day
21h 19m flight time
Find flight
from$84
17:21 — 20:44 Ontario — Denver
F92908 Frontier Airlines
16h 49m stop
13:33 — 14:40 Denver — Las Vegas
F92349 Frontier Airlines
19:36 — 20:45
1h 9m flight time
Find flight
from$59
Ontario — Las Vegas
F94758 Frontier Airlines
20:09 — 06:55+1day
10h 46m flight time
Find flight
from$77
20:09 — 01:24 Ontario — Dallas
F92924 Frontier Airlines
4h 36m stop
08:30 — 09:25 Dallas — Las Vegas
F91051 Frontier Airlines
21:41 — 07:26+1day
9h 45m flight time
Find flight
from$77
21:41 — 23:14 Ontario — San Francisco
F92677 Frontier Airlines
6h 31m stop
05:45 — 07:26 San Francisco — Las Vegas
F94158 Frontier Airlines
21:41 — 14:54+1day
17h 13m flight time
Find flight
from$77
21:41 — 23:14 Ontario — San Francisco
F92677 Frontier Airlines
13h 55m stop
16:31 — 18:17 San Francisco — Las Vegas
F92486 Frontier Airlines
21:41 — 22:55+1day
25h 14m flight time
Find flight
from$81
21:41 — 23:14 Ontario — San Francisco
F92677 Frontier Airlines
22h 6m stop
21:43 — 23:23 San Francisco — Las Vegas
F94156 Frontier Airlines
Full flight schedule will help you in detecting at what time planes fly from Ontario to Las Vegas. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
*Departure and arrival times - local. Updated on October 16, 2025.

Popular Airlines on the Route

The flight Ontario — Las Vegas is served by 4 regular airlines and 1 low-cost airline. Most of the flights on this route are operated by Alaska Airlines - 54 departures per week at the price of from $ 168 . And the most expensive tickets are offered by United Airlines airline - from $ 447.

Direct flights

There are 3 nonstop flights on the route. The fastest direct flight is F94758 by Frontier Airlines takes 1h 9m and the cheapest is F92232 by Frontier Airlines for $50.

  • F9 - Frontier Airlines
    from $50
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Connecting Flights

There are 206 flights with layovers on the route. The fastest connecting flight is UA2042 by United Airlines takes 3h 48m and the cheapest is F92232 by Frontier Airlines for $71.

  • AS - Alaska Airlines
    from $168
    Find
  • F9 - Frontier Airlines
    from $71
    Find
  • HA - Hawaiian Airlines
    from $159
    Find
  • UA - United Airlines
    from $182
    Find
See more connecting flights

Airports

You can fly from Ontario to Las Vegas from 2 airports (Ontario Int., International Heliport).

Ontario airports

  • Ontario Int.-ONT
    from $50
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  • International Heliport-JIO
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Las Vegas airports

  • Mccarran-LAS
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How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

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