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

LAS — ONT
Aug 15 — Aug 221

The best prices from Las Vegas Harry Reid Intl to Ontario are usually found in January or February, booked 32 days in advance, depart on a Saturday or Wednesday and return on a Tuesday

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 2022: compare Las Vegas to Ontario flight prices with the expected peak season, weather and rainfall in Ontario.

LAS - ONT

Price

$46 - $96

ONT

Temperature

53.6 - 78.8 °F

ONT

Rainfall

0.1 - 3.4 inches

Popular inJulyHigh demand for flights, 30% potential price rise
Cheapest inJanuaryBest time to find cheap flights, 32% potential price drop
Round-trip from$46From Las Vegas Harry Reid Intl to Ontario
One-way from$20One-way flight from Las Vegas Harry Reid Intl to Ontario

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

Saturday 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.

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 16 days before your planned departure. Booking around this time can save you about 10% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $86 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $99.

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

The best pricing can be found in the month of February. Prices to Ontario from Las Vegas average $97. You can even find prices in February for less than $97, as users have found deals to Ontario from as low as $67. The month of May 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 10%.

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 in the afternoon, which can drop the price by up to 27% versus a flight at noon.

Cheap flights from Las Vegas to Ontario in August, September 2022

The best prices found for LAS to ONT flights for August, September
Sep 1 - Sep 6
LAS

Las Vegas Harry Reid Intl

ONT

Ontario

Nonstop

1h 06m
ONT

Ontario

LAS

Las Vegas Harry Reid Intl

Nonstop

1h 19m
$39

Frontier

Pick Dates

Deal found 7/8/22

Aug 19 - Aug 20
LAS

Las Vegas Harry Reid Intl

ONT

Ontario

Nonstop

1h 05m
ONT

Ontario

LAS

Las Vegas Harry Reid Intl

Nonstop

1h 12m
$40

Frontier

Pick Dates

Deal found 9/8/22

Sep 10 - Sep 12
LAS

Las Vegas Harry Reid Intl

ONT

Ontario

Nonstop

1h 13m
ONT

Ontario

LAS

Las Vegas Harry Reid Intl

Nonstop

1h 18m
$45

Frontier

Pick Dates

Deal found 7/8/22

Las Vegas to Ontario 2022 flight deals

Cheap flights to Ontario from Las Vegas found for this year
Sep 1 - Sep 6
LAS

Las Vegas Harry Reid Intl

ONT

Ontario

Nonstop

1h 06m
ONT

Ontario

LAS

Las Vegas Harry Reid Intl

Nonstop

1h 19m
$39

Frontier

Pick Dates

Deal found 7/8/22

Aug 19 - Aug 20
LAS

Las Vegas Harry Reid Intl

ONT

Ontario

Nonstop

1h 05m
ONT

Ontario

LAS

Las Vegas Harry Reid Intl

Nonstop

1h 12m
$40

Frontier

Pick Dates

Deal found 9/8/22

Sep 10 - Sep 12
LAS

Las Vegas Harry Reid Intl

ONT

Ontario

Nonstop

1h 13m
ONT

Ontario

LAS

Las Vegas Harry Reid Intl

Nonstop

1h 18m
$45

Frontier

Pick Dates

Deal found 7/8/22

Cheap Frontier flights from Las Vegas to Ontario

Sep 1 - Sep 6
LAS

Las Vegas Harry Reid Intl

ONT

Ontario

Nonstop

1h 06m
ONT

Ontario

LAS

Las Vegas Harry Reid Intl

Nonstop

1h 19m
$39

Frontier

Pick Dates

Deal found 7/8/22

Aug 20 - Aug 22
LAS

Las Vegas Harry Reid Intl

ONT

Ontario

Nonstop

1h 05m
ONT

Ontario

LAS

Las Vegas Harry Reid Intl

Nonstop

1h 19m
$40

Frontier

Pick Dates

Deal found 9/8/22

Sep 10 - Sep 12
LAS

Las Vegas Harry Reid Intl

ONT

Ontario

Nonstop

1h 13m
ONT

Ontario

LAS

Las Vegas Harry Reid Intl

Nonstop

1h 18m
$45

Frontier

Pick Dates

Deal found 7/8/22

Non-stop flights to Ontario from Las Vegas

Save time with Las Vegas to Ontario direct flight deals
Sep 1 - Sep 6
LAS

Las Vegas Harry Reid Intl

ONT

Ontario

Nonstop

1h 06m
ONT

Ontario

LAS

Las Vegas Harry Reid Intl

Nonstop

1h 19m
$39

Frontier

Pick Dates

Deal found 7/8/22

Aug 20 - Aug 22
LAS

Las Vegas Harry Reid Intl

ONT

Ontario

Nonstop

1h 05m
ONT

Ontario

LAS

Las Vegas Harry Reid Intl

Nonstop

1h 19m
$40

Frontier

Pick Dates

Deal found 9/8/22

Sep 10 - Sep 12
LAS

Las Vegas Harry Reid Intl

ONT

Ontario

Nonstop

1h 13m
ONT

Ontario

LAS

Las Vegas Harry Reid Intl

Nonstop

1h 18m
$45

Frontier

Pick Dates

Deal found 7/8/22

Last minute flights from Las Vegas to Ontario

Late deals on return flights to Ontario from Las Vegas, departing today and this week
Aug 19 - Aug 20
LAS

Las Vegas Harry Reid Intl

ONT

Ontario

Nonstop

1h 05m
ONT

Ontario

LAS

Las Vegas Harry Reid Intl

Nonstop

1h 12m
$40

Frontier

Pick Dates

Deal found 9/8/22

Aug 16 - Aug 30
LAS

Las Vegas Harry Reid Intl

ONT

Ontario

Nonstop

1h 04m
ONT

Ontario

LAS

Las Vegas Harry Reid Intl

Nonstop

1h 19m
$48

Frontier

Pick Dates

Deal found 8/8/22

Aug 16 - Aug 21
LAS

Las Vegas Harry Reid Intl

ONT

Ontario

Nonstop

1h 04m
ONT

Ontario

LAS

Las Vegas Harry Reid Intl

Nonstop

1h 19m
$53

Frontier

Pick Dates

Deal found 9/8/22

One-way flights to Ontario from Las Vegas

The cheapest one-way flights from Las Vegas to Ontario
Aug 16
LAS

Las Vegas Harry Reid Intl

ONT

Ontario

Nonstop

1h 04m
$20

Frontier

Pick Dates

Deal found 7/8/22

Aug 17
LAS

Las Vegas Harry Reid Intl

ONT

Ontario

Nonstop

1h 05m
$24

Frontier

Pick Dates

Deal found 8/8/22

Aug 23
LAS

Las Vegas Harry Reid Intl

ONT

Ontario

Nonstop

1h 04m
$29

Frontier

Pick Dates

Deal found 9/8/22

Related info for your journey

Useful info, stats and facts about Las Vegas to Ontario flights.

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 Harry Reid Intl to Ontario. There are 5 flights from Harry Reid Intl (LAS) to Ontario (ONT) per day to choose from. Flights to Ontario from Harry Reid Intl are available from 8 different airlines, which means you should have some options if you want to compare airfare deals. 1h 02m is how long a nonstop flight from Las Vegas to Ontario typically takes.

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

Due to the rapidly changing circumstances due to COVID-19, airlines like Frontier, Juneyao Airlines, and Linear Air Taxi flying from Las Vegas Harry Reid Intl to Ontario have implemented new flexible cancellation policies.

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 $39, but on average you can expect to pay $59.

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 $59.

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.

How popular is this Las Vegas to Ontario flight route?

Within the past month, 53 users have taken a look at flights from Las Vegas Harry Reid Intl to Ontario.

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 $39. You may be able to fly from Las Vegas to Ontario for 42% 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, JetBlue or Delta 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 $378 for a flight from Las Vegas to Ontario. The cheapest flight overall is $21 while the most popular route, (Las Vegas Harry Reid Intl - Ontario) is currently priced at $48.

Alternative routes for Las Vegas to Ontario

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

Top 3 airlines flying from Las Vegas 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.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Juneyao AirlinesCheapest$14Average$21FlexibilityNo cancel feeOn-time66%COVID-19 safety
Search Juneyao Airlines flights
FrontierCheapest$36Average$66FlexibilityNo cancel feeOn-time62%COVID-19 safety
Search Frontier flights
Linear Air TaxiCheapest$2,149Average$4,538FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Linear Air Taxi flights

Hourly flight availability from Las Vegas to Ontario

See what time of day planes typically take off from Las Vegas to Ontario
19%of flight departuresEarly morningMidnight to 6 am
32%of flight departuresMorning6 am to noon
9%of flight departuresAfternoonNoon to 6 pm
40%of flight departuresEvening6 pm to midnight
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
Sunday6daily flights
Monday6daily flights
Tuesday6daily flights
Wednesday6daily flights
Thursday5daily flights
Friday5daily flights
Saturday5daily flights