Cheap Flight Tickets from Ontario (ONT) to Las Vegas (LAS), Starting at $188

Good to Know: Cheapest and Fastest ONT - LAS Flights

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

Cheapest Round Trip Flight

$298

DL Delta Airlines • 1 stop • 25h 53m

Oct 17 – Oct 20

The cheapest round trip flight from Ontario to Las Vegas (ONT-LAS-ONT) is currently $298

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Cheapest Direct Flight

$188

WN Southwest Airlines • nonstop • 1h 45m

Sep 08

The cheapest nonstop flight from Ontario to Las Vegas (ONT-LAS) is currently $188

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Fastest Flight

1h 40m

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

Top Airlines Flying from Ontario to Las Vegas

Delta Airline, DL

Delta Airlines

Southwest Airlines-WN

Southwest Airlines

United Airlines, UA

United Airlines

American Airlines, AA

American Airlines

Alaska Airlines -AS

Alaska Airlines

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

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

Oct 17 - Oct 20, Economy
DL
Ontario → Las Vegas
25h 53m
6:01 PM - 9:54 AM • 1 stop
DL
Ontario → Las Vegas
1h 56m
7:00 AM - 8:16 AM • nonstop
$298
Delta Airlines
Oct 17 - Oct 20, Economy
DL
Ontario → Las Vegas
30h 48m
6:01 PM - 12:49 PM • 1 stop
DL
Ontario → Las Vegas
1h 57m
10:00 AM - 11:17 AM • nonstop
$298
Delta Airlines
Oct 17 - Oct 20, Economy
DL
Ontario → Las Vegas
27h
6:20 AM - 10:40 PM • 1 stop
DL
Ontario → Las Vegas
1h 56m
7:00 AM - 8:16 AM • nonstop
$328
Delta Airlines
Oct 17 - Oct 20, Economy
DL
Ontario → Las Vegas
20h 40m
6:20 AM - 7:00 PM • 1 stop
DL
Ontario → Las Vegas
1h 58m
1:02 PM - 2:20 PM • nonstop
$328
Delta Airlines
Aug 14 - Aug 21, Economy
DL
Ontario → Las Vegas
32h 16m
6:01 PM - 1:37 PM • 1 stop
DL
Ontario → Las Vegas
1h 56m
12:53 PM - 2:09 PM • nonstop
$466
Delta Airlines
Aug 14 - Aug 21, Economy
DL
Ontario → Las Vegas
25h 50m
6:01 PM - 9:51 AM • 1 stop
DL
Ontario → Las Vegas
1h 54m
5:41 PM - 6:55 PM • nonstop
$466
Delta Airlines

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

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

FAQs on Ontario to Las Vegas Flights

What are the airports in Ontario?
ONT
What’s the most popular airline flying from ONT to LAS?
The most popular airline flying from Ontario to Las Vegas are
Can I fly from ONT to LAS non-stop?
Yes, you can fly ONT to LAS non-stop on
Which airlines fly nonstop between Ontario and Las Vegas?
The non-stop flights between Ontario and Las Vegas are .
What’s the earliest departure time from ONT to LAS Airport?
The earliest flight leaves ONT at 5:45 am and lands in LAS - McCarran International
What are the airports in Las Vegas?
LAS
Can I make changes to my Ontario to Las Vegas 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 ONT to LAS?
Read the fare rules of the Ontario to Las Vegas 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 Ontario and Las Vegas?
operate flights between Ontario and Las Vegas
How long does a flight from Ontario to Las Vegas take?
It takes approximately 1 hour to fly non-stop from ONT to LAS, which is 196.8 miles by air.
Which airlines provide the cheapest flights from Ontario (ONT) to Las Vegas (LAS) ?
In the past couple of days, the cheapest tickets to LAS from ONT were found on DL : USD 466
Do I need a passport to fly between ONT and LAS?
No
What’s the latest departure time from ONT to LAS ?
The last flight leaves ONT at 6:01 pm

Essential Information for Booking Flights from Ontario (ONT) - AI Insights

What's the cheapest airline from ont to las?
You can find cheap airline tickets from Ontario International Airport (ONT) to McCarran International Airport (LAS) on Frontier Airlines (F9). With a luxury First cabin, you'll enjoy suites and fine dining. Book at least 31 days in advance for the best savings. Consider traveling via July or November for affordable airfares.
What's the popular airline to fly from ont to las?
You can fly from Ontario International Airport (ONT) to McCarran International Airport (LAS) on Southwest Airlines. This luxury First cabin class offers suites and fine dining, making it a popular choice for travelers. Booking in advance is recommended as you've done, with 31 days prior to your trip. For round-trip flights, consider Southwest Airlines for affordable airfares.
What's the cheapest day of the week to fly from ont to las?
The cheapest day to fly from Ontario International Airport (ONT) to McCarran International Airport (LAS) is Sunday. Flying on Sundays can result in budget-friendly flights, making it a great option for your round-trip journey.
What's the cheapest month to fly from ont to las?
The cheapest month to fly from Ontario International Airport (ONT) to McCarran International Airport (LAS) is November.
Which airline/airlines fly from ont to las?
You can fly from Ontario International Airport (ONT) to McCarran International Airport (LAS) on various airlines. For a luxurious First-class experience, consider Southwest Airlines or Frontier Airlines. Alternatively, you can opt for budget-friendly options like Mexicana or Alaska Airlines. Please note that flights may be available with two stops. To secure the best airfares, it's recommended to book at least 31 days in advance. You can also explore July and November travel options for a more affordable journey. For your Round Trip (return journey), you can check airfares on fareleaders.com or other airline comparison platforms for the latest deals.
What are the available airfares for flights from Ontario International Airport to McCarran International Airport?
You can find the latest airfares on fareleaders.com, with options including Southwest Airlines (WN) and Frontier Airlines (F9).
How far in advance can I book my airline tickets for a round trip journey?
For optimal fares, it's recommended to book your flights at least 31 days in advance, as per the provided trip details.
Can I find cheap airlines that operate direct flights from las to ont?
Yes, you can compare airfares on fareleaders.com for direct flights from las to ont with airlines like Southwest Airlines (WN) and Frontier Airlines (F9).
What is the best way to compare and book airfares on fareleaders.com?
To find the best deals, use our airline comparison tool and filter by factors such as price, flight duration, and layovers.
Are there any discounts or promotions available for weekend getaways via airplant?
No information found on airplant. However, you can check for weekend getaway deals on fareleaders.com during the cheapest month (November) for a better chance of finding affordable flights.

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

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

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