$34 Cheap Flights from Las Vegas (LAS) to Ontario (ONT)

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

Prices were available within the past 7 days and start at $34 for one-way flights and $63 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Tue, Jul 2 - Tue, Jul 2
LAS
Las Vegas
ONT
Ontario
$63 Roundtrip, found 3 hours ago
$63
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Tue, Jul 2 from Las Vegas to Ontario, returning Tue, Jul 2, priced at $63 found 3 hours ago
Frontier Airlines
Wed, Jun 19 - Mon, Jun 24
LAS
Las Vegas
ONT
Ontario
$68 Roundtrip, just found
$68
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Jun 19 from Las Vegas to Ontario, returning Mon, Jun 24, priced at $68 just found
Frontier Airlines
Fri, Jul 5 - Fri, Jul 5
LAS
Las Vegas
ONT
Ontario
$73 Roundtrip, found 3 hours ago
$73
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Fri, Jul 5 from Las Vegas to Ontario, returning Fri, Jul 5, priced at $73 found 3 hours ago
Frontier Airlines
Sat, Jun 8 - Sat, Jun 8
LAS
Las Vegas
ONT
Ontario
$78 Roundtrip, found 2 hours ago
$78
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Sat, Jun 8 from Las Vegas to Ontario, returning Sat, Jun 8, priced at $78 found 2 hours ago
Frontier Airlines
Fri, Jun 14 - Sun, Jun 16
LAS
Las Vegas
ONT
Ontario
$78 Roundtrip, just found
$78
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Jun 14 from Las Vegas to Ontario, returning Sun, Jun 16, priced at $78 just found
Frontier Airlines
Sun, Jun 30 - Tue, Jul 2
LAS
Las Vegas
ONT
Ontario
$79 Roundtrip, found 2 hours ago
$79
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Sun, Jun 30 from Las Vegas to Ontario, returning Tue, Jul 2, priced at $79 found 2 hours ago
Frontier Airlines
Fri, Jun 21 - Fri, Jun 21
LAS
Las Vegas
ONT
Ontario
$83 Roundtrip, found 7 hours ago
$83
Roundtrip
found 7 hours ago
Select Frontier Airlines flight, departing Fri, Jun 21 from Las Vegas to Ontario, returning Fri, Jun 21, priced at $83 found 7 hours ago
Frontier Airlines
Sat, Jun 22 - Mon, Jun 24
LAS
Las Vegas
ONT
Ontario
$83 Roundtrip, just found
$83
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, Jun 22 from Las Vegas to Ontario, returning Mon, Jun 24, priced at $83 just found
Frontier Airlines
Fri, Jun 28 - Sun, Jun 30
LAS
Las Vegas
ONT
Ontario
$84 Roundtrip, just found
$84
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Jun 28 from Las Vegas to Ontario, returning Sun, Jun 30, priced at $84 just found
Frontier Airlines
Sat, Aug 31 - Sun, Sep 1
LAS
Las Vegas
ONT
Ontario
$85 Roundtrip, found 1 day ago
$85
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sat, Aug 31 from Las Vegas to Ontario, returning Sun, Sep 1, priced at $85 found 1 day ago
Flights from Las Vegas (LAS) to Ontario (ONT)
Origin airport
Harry Reid Intl.
Destination airport
Los Angeles - Ontario Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, United
Roundtrip price
$62
Distance
196 mi

Las Vegas to Ontario Flights

Whether you’re looking for a grand adventure or just want to get away for a last-minute break, flights from Las Vegas to Ontario offer the perfect respite. Not only does exploring Ontario provide the chance to make some magical memories, dip into delectable dishes, and tour the local landmarks, but the cheap airfare means you won’t bust your budget. So no matter whether your ideal itinerary involves flying one way, non-stop, or round trip, you’re bound to find flights that match your schedule on Expedia, and at prices that won’t shock your wallet.

Bagging a cheap flight from Las Vegas to Ontario may mean more dollars to spend on for one-of-a-kind souvenirs when you arrive, but it doesn’t mean you have to skimp on your travel experience, as Expedia offers a sizzling selection of cheap airlines that’ll put you in your happy place on their planes, whether that’s getting lost in a hair-raising airport thriller, dreaming on the passing landscape over a glass of bubbly, or jotting down your vacation bucket list at 38,000 feet. There’s also bound to be plenty of opportunities to snap a few photos of the high life that will make your friends green with envy. After all, enjoying the journey is part of the fun.

With so many affordable flights and so many wonderful adventures awaiting you, there’s no reason to put off booking a fantastic flight from LAS to ONT today. So don’t leave it to the last minute to make your dream trip a reality: pack your bags with your go-to travel accessories, put together your list of must-see attractions and can’t-miss activities, and get ready to broaden your horizons – with Expedia, the wonders of Ontario are only a plane trip away. Book your travel arrangements with us today!

If you would like to book flights to Ontario more flexibly many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Ontario is $34 now!

Frequently asked questions

How much is a one-way flight from Harry Reid Airport (formerly McCarran Airport) to Ontario Airport?
Get set to pack your bags, because Las Vegas flights to Ontario start from just $24. This information is based on the best price found on Expedia for this journey departing within the next three months. This airfare is for an Frontier Airlines flight, taking off from Harry Reid Airport (formerly McCarran Airport) on August 18 2024 and landing at ONT. This price was last updated on May 23 2024 and has not changed since.
How long does it take to fly from McCarran Airport to Ontario Airport?
With Frontier Airlines, a direct flight takes roughly 1 hour and 3 minutes. Lock in a seat on the 8:22AM flight from McCarran Intl. Airport (LAS) and land at Los Angeles - Ontario Intl. Airport (ONT) at 9:25AM. Snap up a great deal on this route when you use Expedia to book your trip.
Is it cheaper to buy a plane ticket from McCarran Airport to ONT last minute?
Booking your flight from Harry Reid Airport (formerly McCarran Airport) to Ontario Airport at the last minute could save you money if you’re lucky enough to find a good deal. However, airfares usually don’t get cheaper closer to the departure date. If you hold off, flights could also be sold out or the best seats taken (because who wants the middle seat?). If you’d prefer to play it safe, book well ahead of the date you want to leave. In fact, Expedia has some of the biggest deals up to a year in advance. If your preferred carrier hasn’t released its airfares yet, check back regularly as deals are updated on Expedia all the time.
What is the cheapest airline flying from McCarran Airport to Los Angeles - Ontario Intl. Airport (ONT) in the next 90 days?
Based on airfares found on Expedia with a departure date within the next 90 days, Frontier Airlines is the cheapest airline flying from Las Vegas to Ontario. The fare between these destinations starts from $34. This flight leaves McCarran Airport on August 23 2024 and touches down at Los Angeles - Ontario Intl. Airport (ONT). The price was last updated on May 31 2024 and has not changed since.
What's the cheapest price for a flight from LAS to Los Angeles - Ontario Intl. Airport (ONT) next month?
You can lock in a flight from Las Vegas to Ontario for only $34. This is the cheapest price for this route departing in the next month. It’s an Frontier Airlines flight taking off from LAS on June 27 2024 and touching down at Los Angeles - Ontario Intl. Airport (ONT). The ticket price was accurate as of May 31 2024 and has not changed since. It was found after searching all available flights on Expedia within the next 30 days.
Can I find cheap nonstop flights from Harry Reid Airport (formerly McCarran Airport) to Los Angeles - Ontario Intl. Airport (ONT) in the next three months?
Your next awesome adventure doesn’t have to break your budget. We’ve uncovered a roundtrip nonstop flight from Las Vegas to Ontario within the next 90 days for $43. This price is based on airfares found on Expedia with a departure date within the next three months and was updated on May 23 2024. The flight via Frontier Airlines takes off from LAS on June 13 2024 and touches down at Ontario Airport. It has a return date of June 13 2024.You can easily track down nonstop cheap flights from LAS to Los Angeles - Ontario Intl. Airport (ONT) by making use of our filters. Start by searching for your journey, then click “Nonstop” under “Filter by” on the left side of the page. Your results will appear with the lowest airfare first. If you don’t have to travel on a particular day, make use of our handy “Flexible dates” feature. This lets you compare prices for nearby dates and snag the best possible deal.
What airports do you fly into for Los Angeles from Las Vegas?
Los Angeles - Ontario Intl. Airport (ONT), John Wayne Airport (SNA) and Long Beach Municipal Airport (LGB) are your choices when flying from Las Vegas to Los Angeles. About 40 mi east of central Los Angeles, Los Angeles - Ontario Intl. Airport (ONT) is the city’s major hub. Think about factors such as flight departure and arrival times and the distance to your hotel before deciding on an airport. University of Southern California and Hollywood Walk of Fame are a couple of awesome attractions to put on your itinerary when you reach your destination.
What are the most popular departure times for flights from McCarran Intl. Airport (LAS) to Ontario Airport?
The most popular departure times for flights from Harry Reid Airport (formerly McCarran Airport) to Ontario Airport are between 3:00 PM - 4:00 PM on Frontier Airlines. Our suggestion is to head out in the morning. The earlier you fly, the better your chances of a delay-free flight as air traffic hasn’t yet built up around airports.
Can I change the date of my flight from McCarran Airport to ONT?
Easily make changes to your LAS to Ontario Airport trip via the Expedia Trips portal. But before you begin, read over the fare conditions in your itinerary to see what the carrier will let you do and if fees apply for changes. Some airlines charge a change fee per person, on top of any difference in prices. But if you booked in the last 24 hours, you may be able to cancel for free and organize new flights. You can also find your way to our Customer Service portal for further information and to chat with our Virtual Agent.
Ontario nearby Airports

Los Angeles

Las Vegas to Los Angeles Intl.
$38.20

Burbank

Las Vegas to Hollywood Burbank
$40.18

Orange County

Las Vegas to John Wayne
$60.09

Long Beach

Las Vegas to Long Beach Municipal
$280.71

Hawthorne

Las Vegas to Hawthorne Municipal
$629.10
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