Cheap flights from Las Vegas, NV to Ontario, CA

Flights starting at £23. Choose between Frontier Airlines, Spirit Airlines, or Alaska Airlines to find the best price.

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The distance between Las Vegas and Ontario is 317 km. The most popular airlines for this route are Frontier Airlines, Spirit Airlines, Alaska Airlines, and United Airlines. Las Vegas and Ontario have 105 direct flights per week.

Weekly direct flights

Discover the top airlines offering direct flights from Las Vegas to Ontario in the next month. You’ll find the number of daily direct flights per airline in the table.

Weekly direct flights for Mon 18.03 - Sun 24.03

AirlineMon 18.03Tue 19.03Wed 20.03Thu 21.03Fri 22.03Sat 23.03Sun 24.03
3223333

Weekly direct flights for Mon 25.03 - Sun 31.03

AirlineMon 25.03Tue 26.03Wed 27.03Thu 28.03Fri 29.03Sat 30.03Sun 31.03
2223333

Weekly direct flights for Mon 01.04 - Sun 07.04

AirlineMon 01.04Tue 02.04Wed 03.04Thu 04.04Fri 05.04Sat 06.04Sun 07.04
3223333

Weekly direct flights for Mon 08.04 - Sun 14.04

AirlineMon 08.04Tue 09.04Wed 10.04Thu 11.04Fri 12.04Sat 13.04Sun 14.04
3233323

Check-in for a flight from Las Vegas to Ontario

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
Frontier AirlinesFFTF9NoOpens 24 days before flight
Closes 1 hours before flight
Spirit AirlinesNKSNKNoOpens 24 days before flight
Closes 1 hours before flight
Alaska AirlinesASAASNoOpens 24 days before flight
Closes 1 hours before flight
United AirlinesUALUAYesNo

Ontario travel tips

1) Snack at The Olive Grill in Ontario for affordable prices
2) Visit the San Bernardino History & Railroad Museum during the trip to the San Bernardino National Forest near Ontario
3) Address the Rock Climb Every Day in Ontario to try a new hobby

Weather in Ontario

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January18°C7°C
February18°C7°C
March20°C8°C
April23°C10°C
May25°C13°C
June29°C16°C
July33°C19°C
August33°C20°C
September32°C18°C
October27°C15°C
November22°C10°C
December17°C7°C
Hottest Month
33°C
August
Coldest month
7°C
February
Sunny days
339
days per year

14 day forecast

Monday
18 Mar
23°C10°C
25 Mar
79%
17°C9°C
Tuesday
19 Mar
23°C11°C
26 Mar
18°C9°C
Wednesday
20 Mar
23°C11°C
27 Mar
89%
12°C8°C
Thursday
21 Mar
23°C12°C
28 Mar
87%
11°C7°C
Friday
22 Mar
23°C11°C
29 Mar
89%
14°C8°C
Saturday
23 Mar
88%
16°C12°C
30 Mar
89%
15°C11°C
Sunday
24 Mar
84%
14°C9°C
31 Mar
21°C9°C

Frequently asked questions

How long does it take to travel from Las Vegas to Ontario?
What is the flight distance between Las Vegas and Ontario?
What airlines offer nonstop (direct) flights between Las Vegas and Ontario?
What are the most popular routes to and from Las Vegas?
What are the most popular routes to and from Ontario?
Which airports are there in Las Vegas?
What airports are near Las Vegas?
What airports are near Ontario?
Is it possible to combine flights, buses, and trains in one itinerary when traveling between Las Vegas and Ontario?
What is Virtual Interlining and how do I use it?
Which airlines fly between Las Vegas and Ontario?
When's the best time to travel between Las Vegas and Ontario?
What flights operate between Las Vegas and Ontario?
How many airports are there near Las Vegas?
How many airports are there near Ontario?
What time do nonstop (direct) flights between Las Vegas and Ontario depart?
What time do nonstop (direct) flights between Las Vegas and Ontario arrive?
What time do flights between Las Vegas and Ontario depart?
What time do flights between Las Vegas and Ontario arrive?

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