Cheap Flight Tickets from Las Vegas (LAS) to Ontario (ONT), Starting at $129

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

$218

F9 Frontier Airlines • nonstop • 1h 44m

Feb 07 – Mar 13

The cheapest round trip flight from Las Vegas to Ontario (LAS-ONT-LAS) is currently $218

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Cheapest One way Flight

$226

F9 Frontier Airlines • 1 stop • 29h 14m

Oct 09

The cheapest one way flight from Las Vegas to Ontario (LAS-ONT) is currently $226

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Cheapest Direct Flight

$129

WN Southwest Airlines • nonstop • 1h 45m

Feb 07

The cheapest nonstop flight from Las Vegas to Ontario (LAS-ONT) is currently $129

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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

Alaska Airlines -AS

Alaska Airlines

Delta Airline, DL

Delta 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.

Feb 07 - Mar 13, Economy
F9
Las Vegas → Ontario
1h 44m
4:51 PM - 5:55 PM • nonstop
F9
Las Vegas → Ontario
1h 56m
11:09 AM - 12:25 PM • nonstop
$218
Frontier Airlines
Feb 07 - Mar 13, Economy
F9
Las Vegas → Ontario
1h 46m
6:01 AM - 7:07 AM • nonstop
F9
Las Vegas → Ontario
26h 58m
7:52 PM - 12:10 PM • 1 stop
$326
Frontier Airlines
Feb 07 - Mar 13, Economy
WN
Las Vegas → Ontario
1h 40m
9:45 AM - 10:45 AM • nonstop
WN
Las Vegas → Ontario
1h 50m
7:25 AM - 8:35 AM • nonstop
$350
Southwest Airlines
Feb 07 - Mar 13, Economy
WN
Las Vegas → Ontario
1h 40m
8:50 PM - 9:50 PM • nonstop
WN
Las Vegas → Ontario
1h 50m
4:25 PM - 5:35 PM • nonstop
$350
Southwest Airlines
Feb 07 - Mar 13, Economy
WN
Las Vegas → Ontario
1h 40m
8:50 PM - 9:50 PM • nonstop
WN
Las Vegas → Ontario
5h 40m
6:05 PM - 9:45 PM • 1 stop
$360
Southwest Airlines
Feb 07 - Mar 13, Economy
WN
Las Vegas → Ontario
1h 40m
7:20 PM - 8:20 PM • nonstop
WN
Las Vegas → Ontario
5h 30m
5:35 AM - 9:05 AM • 1 stop
$360
Southwest 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 6:01 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 WN : USD 345
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 8:50 pm

Essential Information for Booking Flights from Las Vegas (LAS) - AI Insights

What's the cheapest airline from las to ont?
You can find the cheapest airline tickets from Las Vegas (LAS) to Ontario (ONT) on Southwest Airlines (WN) for a round-trip economy flight. Book in advance to secure the best Low Fares. The airline offers budget-friendly flights with no stops, making it a convenient option for your 6-passenger group.
What's the popular airline to fly from las to ont?
You can fly from McCarran International Airport (las) to Ontario International Airport (ont) with Southwest Airlines (WN), which offers budget-friendly flights. As you're booking a round trip, it's recommended to book at least 39 days in advance to get the best airfares. For a group of 6 passengers, you can expect to pay for airfare. To find the best deals, consider using airfare comparison tools and searching for flights during your preferred travel dates.
What's the cheapest day of the week to fly from las to ont?
The cheapest day to fly from Las to Ontario is Tuesday. Flying on Tuesdays can result in lower fares compared to other days of the week. You can consider booking your round-trip flights from Las to Ontario on Tuesdays to save on airfares.
What's the cheapest month to fly from las to ont?
The cheapest month to fly from Las Vegas (LAS) to Ontario (ONT) is November, as it tends to have lower airfares compared to other months. Booking in advance, 39 days prior to your trip, can help you secure the best available rates.
Which airline/airlines fly from las to ont?
The airlines that fly from McCarran International Airport (las) to Ontario International Airport (ont) include JetBlue Airways, Alaska Airlines, WestJet Airlines, United Airlines, and Allegiant.
What is the cheapest airline to fly from McCarran International (LAS) to Ontario International (ONT) for a round-trip economy flight?
Southwest Airlines (WN) offers the cheapest airfare for this route.
How far in advance can I book airfares for my July weekend getaway?
It is recommended to book airfares at least 39 days in advance for the best prices.
What are the different types of airfares available for booking on fareleaders.com?
Fareleaders.com offers various airfare options, including round-trip economy flights.
Can I book busco flights with my pasaje?
No, busco flights are not available for booking on fareleaders.com.
What is the process for booking airfares on fareleaders.com?
To book airfares on fareleaders.com, simply enter your travel dates and destinations.
Can I book airfares for my round-trip journey in advance?
Yes, airfares can be booked up to 39 days in advance.
How do I know if I have found the cheapest airfare for my trip?
Compare prices across different airlines to ensure you have found the best airfare.
Can I book airfares for my July weekend getaway on fareleaders.com?
Yes, fareleaders.com offers various airfare options for July weekend getaways.
What is the difference between airfares and fares on fareleaders.com?
Airfares and fares on fareleaders.com refer to the same thing: the cost of an airline ticket.

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

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

More Flight Options for Las Vegas (LAS) and Ontario (ONT)

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