Cheap Flights from Ontario, CA to Las Vegas, NV from $35

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On Cheapflightsplus.com you will find 6 direct and 312 connecting flights from Ontario to Las Vegas. You can compare airfare deals from 6 airlines and multiple travel sites from $35, 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.

Find One-Way and Round-Trip Ontario to Las Vegas Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $35 (one-way), $60 (round-trip).

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Best Flights from Ontario to Las Vegas Today

Take a look at the list of non stop flights and flights with layovers from Ontario to Las Vegas with the lowest price of $35. The fastest direct flight takes 1h 1m and the fastest connecting – 3h 53m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $35 Find flight	22:58 Ontario Ontario Int.	23:59 Las Vegas Mccarran	1h 1m	Frontier Airlines	F94206
from $35 Find flight	12:38 Ontario Ontario Int.	13:44 Las Vegas Mccarran	1h 6m	Frontier Airlines	F91358
from $35 Find flight	09:26 Ontario Ontario Int.	10:33 Las Vegas Mccarran	1h 7m	Frontier Airlines	F92010
from $37 Find flight	19:05 Ontario Ontario Int.	20:11 Las Vegas Mccarran	1h 6m	Frontier Airlines	F92232
from $37 Find flight	08:04 Ontario Ontario Int.	09:12 Las Vegas Mccarran	1h 8m	Frontier Airlines	F94758
from $37 Find flight	15:24 Ontario Ontario Int.	16:34 Las Vegas Mccarran	1h 10m	Frontier Airlines	F91284
from $59 Find flight	11:20 Ontario Ontario Int.	16:22 Las Vegas Mccarran	5h 2m layover 0h 40m - Denver	Frontier Airlines	F91262 F92429
from $65 Find flight	11:58 Ontario Ontario Int.	19:32 Las Vegas Mccarran	7h 34m layover 0h 50m - Houston	Frontier Airlines	F93132 F91965
from $70 Find flight	18:34 Ontario Ontario Int.	00:02+1 день Las Vegas Mccarran	5h 28m layover 0h 56m - Denver	Frontier Airlines	F92908 F9777
from $72 Find flight	07:36 Ontario Ontario Int.	11:48 Las Vegas Mccarran	4h 12m layover 1h 0m - San Francisco	Frontier Airlines	F92677 F94158
from $77 Find flight	06:45 Ontario Ontario Int.	16:47 Las Vegas Mccarran	10h 2m layover 6h 45m - San Francisco	Frontier Airlines	F92677 F93020
from $77 Find flight	06:45 Ontario Ontario Int.	00:42+1 день Las Vegas Mccarran	17h 57m layover 14h 39m - San Francisco	Frontier Airlines	F92677 F91850
from $81 Find flight	05:45 Ontario Ontario Int.	11:15 Las Vegas Mccarran	5h 30m layover 1h 8m - Denver	Frontier Airlines	F91500 F91993
from $81 Find flight	15:21 Ontario Ontario Int.	22:44 Las Vegas Mccarran	7h 23m layover 1h 9m - Dallas	Frontier Airlines	F91406 F93885
from $83 Find flight	17:56 Ontario Ontario Int.	22:10 Las Vegas Mccarran	4h 14m layover 0h 50m - Salt Lake City	Frontier Airlines	F91122 F93015
from $97 Find flight	09:02 Ontario Ontario Int.	19:31 Las Vegas Mccarran	10h 29m layover 4h 16m - Dallas	Frontier Airlines	F91406 F91051

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on March 13, 2025

Flight Schedule Ontario (California) to Las Vegas (Nevada)

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	Flight Details	Flight Duration	Price
08:04 — 09:12	08:04 — 09:12 F94758 Frontier Airlines Ontario — Las Vegas	1h 8m	Find flight from$37
09:26 — 10:33	09:26 — 10:33 F92010 Frontier Airlines Ontario — Las Vegas	1h 7m	Find flight from$35
12:38 — 13:44	12:38 — 13:44 F91358 Frontier Airlines Ontario — Las Vegas	1h 6m	Find flight from$35
15:24 — 16:34	15:24 — 16:34 F91284 Frontier Airlines Ontario — Las Vegas	1h 10m	Find flight from$37
19:05 — 20:11	19:05 — 20:11 F92232 Frontier Airlines Ontario — Las Vegas	1h 6m	Find flight from$37
22:58 — 23:59	22:58 — 23:59 F94206 Frontier Airlines Ontario — Las Vegas	1h 1m	Find flight from$35
00:59 — 14:36	00:59 — 04:22 F91500 Frontier Airlines Ontario — Denver 9h 3m stop 13:25 — 14:36 F92349 Frontier Airlines Denver — Las Vegas	13h 37m including layover	Find flight from$87
00:59 — 09:05	00:59 — 04:22 F91500 Frontier Airlines Ontario — Denver 3h 38m stop 08:05 — 09:10 F92015 Frontier Airlines Denver — Las Vegas	8h 6m including layover	Find flight from$92
05:45 — 21:47	06:30 — 09:54 F91500 Frontier Airlines Ontario — Denver 11h 41m stop 22:42 — 23:50 F94611 Frontier Airlines Denver — Las Vegas	16h 2m including layover	Find flight from$62
05:45 — 11:15	05:45 — 09:11 F91500 Frontier Airlines Ontario — Denver 1h 8m stop 10:09 — 11:16 F91993 Frontier Airlines Denver — Las Vegas	5h 30m including layover	Find flight from$81
06:30 — 15:24	06:30 — 09:54 F91500 Frontier Airlines Ontario — Denver 4h 27m stop 15:19 — 16:22 F92429 Frontier Airlines Denver — Las Vegas	8h 54m including layover	Find flight from$62
06:30 — 19:37	06:30 — 09:54 F91500 Frontier Airlines Ontario — Denver 8h 39m stop 18:33 — 19:37 F94967 Frontier Airlines Denver — Las Vegas	13h 7m including layover	Find flight from$62
07:36 — 11:48	06:00 — 07:35 F92677 Frontier Airlines Ontario — San Francisco 1h stop 10:53 — 12:34 F94158 Frontier Airlines San Francisco — Las Vegas	4h 12m including layover	Find flight from$72
07:45 — 14:31	06:45 — 10:10 F91262 Frontier Airlines Ontario — Denver 2h 17m stop 13:20 — 14:31 F92349 Frontier Airlines Denver — Las Vegas	6h 46m including layover	Find flight from$136
09:02 — 19:31	09:02 — 14:01 F91406 Frontier Airlines Ontario — Dallas 4h 16m stop 18:17 — 19:31 F91051 Frontier Airlines Dallas — Las Vegas	10h 29m including layover	Find flight from$97
10:39 — 00:02 +1 day	10:39 — 13:57 F91262 Frontier Airlines Ontario — Denver 8h 52m stop 22:49 — 00:02 F9777 Frontier Airlines Denver — Las Vegas	13h 23m including layover	Find flight from$98
10:55 — 23:53	10:55 — 14:18 F91262 Frontier Airlines Ontario — Denver 8h 27m stop 22:45 — 23:53 F93539 Frontier Airlines Denver — Las Vegas	12h 58m including layover	Find flight from$62
11:20 — 16:22	11:20 — 14:39 F91262 Frontier Airlines Ontario — Denver 40m stop 15:19 — 16:22 F92429 Frontier Airlines Denver — Las Vegas	5h 2m including layover	Find flight from$59
11:20 — 19:37	11:20 — 14:39 F91262 Frontier Airlines Ontario — Denver 3h 54m stop 18:33 — 19:37 F94967 Frontier Airlines Denver — Las Vegas	8h 17m including layover	Find flight from$59
13:29 — 21:54	13:29 — 16:10 F93344 Frontier Airlines Ontario — Salt Lake City 5h 6m stop 21:16 — 21:54 F91507 Frontier Airlines Salt Lake City — Las Vegas	8h 25m including layover	Find flight from$106
15:21 — 22:44	15:21 — 20:21 F91406 Frontier Airlines Ontario — Dallas 1h 9m stop 21:30 — 22:44 F93885 Frontier Airlines Dallas — Las Vegas	7h 23m including layover	Find flight from$81
16:06 — 13:05 +1 day	16:06 — 18:59 AS1119 Alaska Airlines Ontario — Seattle 15h 31m stop 10:30 — 13:05 AS738 Alaska Airlines Seattle — Las Vegas	20h 59m including layover	Find flight from$174
16:20 — 11:09 +1 day	16:06 — 18:59 AS1119 Alaska Airlines Ontario — Seattle 13h 18m stop 08:31 — 11:06 AS612 Alaska Airlines Seattle — Las Vegas	18h 49m including layover	Find flight from$174
17:34 — 23:34	16:51 — 20:09 F92908 Frontier Airlines Ontario — Denver 1h 30m stop 22:21 — 23:34 F94611 Frontier Airlines Denver — Las Vegas	6h including layover	Find flight from$66
17:56 — 22:10	19:06 — 21:52 F91122 Frontier Airlines Ontario — Salt Lake City 50m stop 10:34 — 11:09 F93015 Frontier Airlines Salt Lake City — Las Vegas	4h 14m including layover	Find flight from$83
18:13 — 23:51	18:13 — 21:35 F92908 Frontier Airlines Ontario — Denver 1h 8m stop 22:43 — 23:51 F93539 Frontier Airlines Denver — Las Vegas	5h 38m including layover	Find flight from$135
18:34 — 00:02 +1 day	18:34 — 21:53 F92908 Frontier Airlines Ontario — Denver 56m stop 22:49 — 00:02 F9777 Frontier Airlines Denver — Las Vegas	5h 28m including layover	Find flight from$70
19:01 — 16:50 +1 day	19:01 — 21:53 AS1399 Alaska Airlines Ontario — Seattle 16h 29m stop 14:22 — 16:50 AS688 Alaska Airlines Seattle — Las Vegas	21h 49m including layover	Find flight from$198
20:11 — 08:14 +1 day	20:11 — 23:33 F91500 Frontier Airlines Ontario — Denver 7h 27m stop 07:00 — 08:14 F9777 Frontier Airlines Denver — Las Vegas	12h 3m including layover	Find flight from$77
20:27 — 07:59 +1 day	18:13 — 21:35 F92908 Frontier Airlines Ontario — Denver 7h 1m stop 06:00 — 07:09 F92015 Frontier Airlines Denver — Las Vegas	11h 32m including layover	Find flight from$96

Departure	Arrival	Flight Details	Flight Time	Price
		stop stop	including layover	Find flight from$

*Departure and arrival times - local. Updated on March 13, 2025

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 00:58 to 22:58 from 2 Ontario airports and arrive 00:58 to 22:58 to 1 Las Vegas airport. Average flight time is 1h 7m.

The fastest flight 1h 1m
Average flight time 1h 7m
The earliest flight 00:58
The latest flight 22:58
Distance 197 ml

The cheapest months to travel to Las Vegas are november (from 35 $), december (from 37 $), january (from 41 $).

The most expensive months are february (from 96 $), january (from 41 $), december (from 37 $).

What is the lowest airfare Ontario to Las Vegas?

The cheapest plane ticket found by our users is $35. This airfare is for economy class on one-way F91358 flight by Frontier Airlines for December 12, 2024 which leaves Ontario Int. in Ontario at 12:38 am and arrives at Las Vegas Mccarran at 13:44.

Economy class

$35

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Business class

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First class

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Popular Airlines on the Route

The flight Ontario — Las Vegas is served by 6 regular airlines and 2 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 137 departures per week at the price of from $ 155 . And the most expensive tickets are offered by Avianca airline - from $ 1401.

Direct flights

There are 6 nonstop flights on the route. The fastest direct flight is F94206 by Frontier Airlines takes 1h 1m and the cheapest is F91358 by Frontier Airlines for $35.

F9 - Frontier Airlines

from $35

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Connecting Flights

There are 312 flights with layovers on the route. The fastest connecting flight is UA277 by United Airlines takes 3h 53m and the cheapest is F91358 by Frontier Airlines for $59.

AS - Alaska Airlines

from $155

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F9 - Frontier Airlines

from $59

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AV - Avianca

from $1081

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HA - Hawaiian Airlines

from $485

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Y4 - Volaris

from $364

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UA - United Airlines

from $190

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Airports

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

Ontario airports

Ontario Int.-ONT

from $35
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International Heliport-JIO

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Las Vegas airports

Mccarran-LAS

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Airplanes

There are flights to Las Vegas from Ontario by 6 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.

Top Domestic Destinations from Ontario

You may also consider searching for discounted plane tickets to some other popular places from Ontario within United States.

Ontario — Phoenix

from $56

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Ontario — Denver

from $65

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Ontario — Austin

from $67

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Ontario — Miami

from $62

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Ontario — Tucson

from $80

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Ontario — Las Vegas

from $63

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Ontario — Seattle

from $65

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Ontario — Boise

from $70

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Ontario — Chicago

from $78

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Ontario — Philadelphia

from $62

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Top International Destinations from Ontario

Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.

Ontario — London

from $62

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Ontario — San Jose

from $61

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Ontario — Guadalajara

from $70

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Ontario — Cancun

from $74

Find

How to book a plane 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.