Cheap flights from Las Vegas to Ontario (LAS - ONT)

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How to find the cheapest flight from
Las Vegas (LAS) to Ontario (ONT)

All the information you need to plan the best LAS to ONT flight in 2021: compare Las Vegas to Ontario flight prices with the expected peak season, weather and rainfall in Ontario.
LAS - ONT
Price
$88 - $217
ONT
Temperature
53.6 - 78.8 °F
ONT
Precipitation
0.1 - 3.4 inches

Popular in

May

High demand for flights, 30% potential price rise

Cheapest in

April

Best time to find cheap flights, 42% potential price drop

Round-trip from

$88

From Las Vegas McCarran to Ontario

One-way from

$80

One-way flight from Las Vegas McCarran to Ontario

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
When is the cheapest time to fly from Las Vegas to Ontario (LAS - ONT)?

When flying from Las Vegas to Ontario, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 75% versus a flight in the afternoon.

What is the cheapest day to fly round-trip from Las Vegas to Ontario?

Sunday flights are found to be more expensive to fly from Las Vegas to Ontario. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Ontario.

What is the cheapest month to fly from Las Vegas to Ontario?

The best pricing can be found in the month of April. Prices to Ontario from Las Vegas average $86. You can even find prices in April for less than $86, as users have found deals to Ontario from as low as $43. The month of December appears to be one of the more expensive times to travel to Ontario from Las Vegas. Flying in the targeted month can save you up to 23%.

How far in advance should I book a flight from Las Vegas to Ontario?

To save on the cost of your flight from Las Vegas to Ontario, book at least 17 days before your planned departure. Booking around this time can save you about 20% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $75 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $95.

Cheap flights from Las Vegas to Ontario in October, November 2021

The best prices found for LAS to ONT flights for October, November
23 Nov - 30 Nov
$59pp
LAS
Las Vegas McCarran
Frontier
Non-Stop
ONT
Ontario
ONT
Ontario
Frontier
Non-Stop
LAS
Las Vegas McCarran
20 Nov - 23 Nov
$64pp
LAS
Las Vegas McCarran
Frontier
Non-Stop
ONT
Ontario
ONT
Ontario
Frontier
Non-Stop
LAS
Las Vegas McCarran
13 Nov - 13 Nov
$67pp
LAS
Las Vegas McCarran
Frontier
Non-Stop
ONT
Ontario
ONT
Ontario
Frontier
Non-Stop
LAS
Las Vegas McCarran

Las Vegas McCarran to Ontario 2021 flight deals

Cheap flights to Ontario from Las Vegas found for this year
9 Dec - 13 Dec
$54pp
LAS
Las Vegas McCarran
Frontier
Non-Stop
ONT
Ontario
ONT
Ontario
Frontier
Non-Stop
LAS
Las Vegas McCarran
23 Nov - 30 Nov
$59pp
LAS
Las Vegas McCarran
Frontier
Non-Stop
ONT
Ontario
ONT
Ontario
Frontier
Non-Stop
LAS
Las Vegas McCarran
11 Dec - 14 Dec
$63pp
LAS
Las Vegas McCarran
Frontier
Non-Stop
ONT
Ontario
ONT
Ontario
Frontier
Non-Stop
LAS
Las Vegas McCarran

Non-stop flights to Ontario from Las Vegas

Save time with Las Vegas to Ontario direct flight deals
9 Dec - 13 Dec
$54pp
LAS
Las Vegas McCarran
Frontier
Non-Stop
ONT
Ontario
ONT
Ontario
Frontier
Non-Stop
LAS
Las Vegas McCarran
23 Nov - 30 Nov
$59pp
LAS
Las Vegas McCarran
Frontier
Non-Stop
ONT
Ontario
ONT
Ontario
Frontier
Non-Stop
LAS
Las Vegas McCarran
1 Dec - 11 Dec
$63pp
LAS
Las Vegas McCarran
Frontier
Non-Stop
ONT
Ontario
ONT
Ontario
Frontier
Non-Stop
LAS
Las Vegas McCarran

Last minute flights from Las Vegas to Ontario

Late deals on round-trip flights to Ontario from Las Vegas, departing today and this week
30 Oct - 1 Nov
$68pp
LAS
Las Vegas McCarran
Frontier
Non-Stop
ONT
Ontario
ONT
Ontario
Frontier
Non-Stop
LAS
Las Vegas McCarran
1 Nov - 2 Nov
$72pp
LAS
Las Vegas McCarran
Frontier
Non-Stop
ONT
Ontario
ONT
Ontario
Frontier
Non-Stop
LAS
Las Vegas McCarran
30 Oct - 2 Nov
$80pp
LAS
Las Vegas McCarran
Frontier
Non-Stop
ONT
Ontario
ONT
Ontario
Frontier
Non-Stop
LAS
Las Vegas McCarran

One-way flights to Ontario from Las Vegas

The cheapest one-way flights from Las Vegas to Ontario
7:59 pm - 2:48 pm
Multiple Airlines
2 Stops
18h 49m
LAS - ONT
Multiple Airlines
$80
Kiwi.com
10:06 am - 4:49 pm
American Airlines
2 Stops
6h 43m
LAS - ONT
American Airlines
6:08 am - 12:29 pm
Frontier
1 Stop
6h 21m
LAS - ONT
Frontier
$84
DreamWorldTravel

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Las Vegas</span> to <span class="emphasized">Ontario</span> flights.

Flight FAQs

From Las Vegas to Ontario

What airports do I use to fly from Las Vegas to Ontario?

If you wish to fly to Ontario from Las Vegas, then you need to book flights from Las Vegas McCarran to Ontario. There are 6 flights from McCarran (LAS) to Ontario (ONT) per day to choose from. Flights to Ontario from McCarran are available from 8 different airlines, which means you should have some options if you want to compare airfare deals. 1h 01m is how long a nonstop flight from Las Vegas to Ontario typically takes.

Which airlines flying from Las Vegas McCarran to Ontario have flexible cancellations due to COVID-19?

Some of the carriers operating flights from Las Vegas McCarran to Ontario that may be offering flexible cancellation policies are American Airlines, United Airlines, and Linear Air Taxi. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from Las Vegas to Ontario for under $100 on Cheapflights?

Yes, there are multiple flights from Las Vegas to Ontario for under $100. The cheapest flight booked recently is on Frontier for just $54, but on average you can expect to pay $83.

Are there nonstop flights from Las Vegas to Ontario for under $100 on Cheapflights?

Cheapflights has at least 20 direct flights from Las Vegas to Ontario under $100. A good price for a nonstop flight from Las Vegas to Ontario is less than $80.

Are there last-minute flights available from Las Vegas to Ontario for under $100?

There are currently 20+ open flights from Las Vegas to Ontario within the next 7 days for less than $100.

What days are nonstop flights available from Las Vegas to Ontario?

Nonstop flights can be found on the following days: Saturday.

How popular is this Las Vegas to Ontario flight route?

Within the past month, 12 users have taken a look at flights from Las Vegas McCarran to Ontario.

How many flights depart from Las Vegas to Ontario on average per day?

On average 1 flight departs from Las Vegas to Ontario per day.
Evening (6pm - Midnight) - 100% of flight departures

How long is the flight from Las Vegas to Ontario?

There are many flights that can get you from Las Vegas to Ontario in 1h 02m. Fly via Frontier to get the fastest option. The distance between Las Vegas and Ontario is about 198 mi. All flights are typically nonstop.

What is the cheapest airline to fly from Las Vegas to Ontario round-trip?

Cheapflights users have booked flights from Las Vegas to Ontario round-trip from $54. You may be able to fly from Las Vegas to Ontario for 64% less than the average price by searching for this airline.

What are the most popular airlines that fly from Las Vegas to Ontario?

Consider American Airlines, Alaska Airlines or JetBlue when booking your flight. These represent the most popular airlines when flying from Las Vegas to Ontario.

What are the cheapest flights from Las Vegas to Ontario?

On average you can expect to pay $149 for a flight from Las Vegas to Ontario. The cheapest flight overall is $24 while the most popular route, (Las Vegas McCarran - Ontario) is currently priced at $54.

COVID Restrictions

View COVID Travel Restrictions for Ontario, CA

Do I need a COVID test to fly to Ontario from Las Vegas?

Information is based on travel restrictions for travel to Ontario within the United States

Most visitors from Las Vegas McCarran need to provide a negative COVID-19 test result and/or quarantine to enter Ontario.

COVID-19 testing requirements
Visitors from Las Vegas McCarran must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Ontario.

Quarantine requirements
Visitors from Las Vegas McCarran are not required to quarantine after entering Ontario.

Do I need a test to fly back to Las Vegas from Ontario?

Returning to Las Vegas McCarran from Ontario

COVID-19 testing requirements
Visitors from Ontario must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Las Vegas McCarran.

Quarantine requirements
Visitors from Ontario are not required to quarantine after entering Las Vegas McCarran.

Hide COVID Travel Restrictions for Ontario, CA

Alternative routes for Las Vegas to Ontario

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Ontario

Things to know before you go - useful duration and weather info for your trip from Las Vegas to Ontario.
Flight duration from LAS to ONT
1h 03m

Airports servicing Las Vegas

Airports servicing Ontario

Top 3 airlines flying from Las Vegas McCarran to Ontario

The chart below displays the airlines Cheapflights users traveling from Las Vegas to Ontario choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
United Airlines
$53 $263 No cancel fee 69%
American Airlines
$85 $314 No cancel fee 71%
Linear Air Taxi
$2,149 $4,538 No cancel fee N/A

We couldn't confirm the COVID-19 safety measures taken by Linear Air Taxi. Please check directly on their website for additional information.

Hourly flight availability from Las Vegas to Ontario

See what time of day planes typically take off from Las Vegas towards Ontario.
Afternoon Noon to 6 PM 35% of LAS to ONT departures
Morning 6 AM to noon 32% of LAS to ONT departures
Evening 6 PM to midnight 32% of LAS to ONT departures
Early morning Midnight to 6 AM 1% of LAS to ONT departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Las Vegas to Ontario
See how many times per day planes take to the skies headed from Las Vegas to Ontario.
Sunday
3 daily flights
Monday
7 daily flights
Tuesday
6 daily flights
Wednesday
7 daily flights
Thursday
7 daily flights
Friday
7 daily flights
Saturday
6 daily flights
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