Cheap Flight Tickets from Las Vegas (LAS) to Ontario (ONT), Starting at $272

Good to Know: Cheapest and Fastest LAS - ONT Flights

Useful information for finding best airline tickets from McCarran International to Ontario International on your next trip.

Cheapest Round Trip Flight

$499

WN Southwest Airlines • 1 stop • 6h 50m

Aug 31 – Sep 09

The cheapest round trip flight from Las Vegas to Ontario (LAS-ONT-LAS) is currently $499

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Cheapest One way Flight

$272

AS Alaska Airlines • 1 stop • 12h

Aug 24

The cheapest one way flight from Las Vegas to Ontario (LAS-ONT) is currently $272

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Cheapest Direct Flight

$500

WN Southwest Airlines • nonstop • 1h 50m

Aug 31

The cheapest nonstop flight from Las Vegas to Ontario (LAS-ONT) is currently $500

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Fastest Flight

1h 40m

The fastest nonstop flight from Las Vegas to Ontario (LAS-ONT) takes 1h 40m

Top Airlines Flying from Las Vegas to Ontario

Southwest Airlines-WN

Southwest Airlines

Delta Airline, DL

Delta Airlines

Alaska Airlines -AS

Alaska Airlines

United Airlines, UA

United Airlines

American Airlines, AA

American Airlines

Latest Flight Deals from Las Vegas (LAS) to Ontario (ONT)

Compare and book low fare round-trip air tickets from Las Vegas to Ontario. Ideal for travelers with confirmed return itineraries.

Aug 31 - Sep 09, Economy
WN
Las Vegas → Ontario
6h 50m
5:15 PM - 9:25 PM • 1 stop
WN
Las Vegas → Ontario
5h 25m
9:10 AM - 12:35 PM • 1 stop
$499
Southwest Airlines
Aug 31 - Sep 09, Economy
WN
Las Vegas → Ontario
7h
9:05 AM - 1:25 PM • 1 stop
WN
Las Vegas → Ontario
5h 25m
3:35 PM - 7:00 PM • 1 stop
$499
Southwest Airlines
Aug 31 - Sep 09, Economy
WN
Las Vegas → Ontario
5h 35m
2:25 PM - 6:00 PM • 1 stop
WN
Las Vegas → Ontario
5h 40m
6:00 AM - 9:40 AM • 1 stop
$499
Southwest Airlines
Aug 31 - Sep 09, Economy
WN
Las Vegas → Ontario
5h 10m
11:55 AM - 3:05 PM • 1 stop
WN
Las Vegas → Ontario
6h 45m
1:10 PM - 5:15 PM • 1 stop
$499
Southwest Airlines
Aug 31 - Sep 09, Economy
WN
Las Vegas → Ontario
1h 50m
10:15 AM - 11:25 AM • nonstop
WN
Las Vegas → Ontario
1h 45m
7:45 AM - 8:50 AM • nonstop
$500
Southwest Airlines
Aug 31 - Sep 09, Economy
DL
Las Vegas → Ontario
19h 5m
11:00 AM - 10:45 PM • 1 stop
DL
Las Vegas → Ontario
15h 33m
1:04 PM - 10:37 PM • 2 stops
$669
Delta Airlines

Fly from Las Vegas to Ontario with the Best Airfare Deals on FareLeaders

Looking for a cheap last-minute deal or the best round-trip flight from Las Vegas to Ontario? Find the biggest savings on one-way and round-trip tickets right here.

FAQs on Las Vegas to Ontario Flights

What are the airports in Las Vegas?
LAS
What’s the most popular airline flying from LAS to ONT?
The most popular airline flying from Las Vegas to Ontario are
Can I fly from LAS to ONT non-stop?
Yes, you can fly LAS to ONT non-stop on
Which airlines fly nonstop between Las Vegas and Ontario?
The non-stop flights between Las Vegas and Ontario are .
What’s the earliest departure time from LAS to ONT Airport?
The earliest flight leaves LAS at 7:02 am and lands in ONT - Ontario International
What are the airports in Ontario?
ONT
Can I make changes to my Las Vegas to Ontario flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from LAS to ONT?
Read the fare rules of the Las Vegas to Ontario air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Las Vegas and Ontario?
operate flights between Las Vegas and Ontario
How long does a flight from Las Vegas to Ontario take?
It takes approximately 1 hour to fly non-stop from LAS to ONT, which is 196.8 miles by air.
Which airlines provide the cheapest flights from Las Vegas (LAS) to Ontario (ONT) ?
In the past couple of days, the cheapest tickets to ONT from LAS were found on AS : USD 272
Do I need a passport to fly between LAS and ONT?
No
What’s the latest departure time from LAS to ONT ?
The last flight leaves LAS at 8:45 pm

Las Vegas (LAS) to Ontario (ONT): Airport Information

Origin Airport McCarran International , Las Vegas, US
Destination Airport Ontario International , Ontario, US
Distance 197 miles

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