₹11,325 Cheap Flights from Ontario (ONT) to Las Vegas (LAS)

View ₹11,325 flight on Wed, 18 Feb 2026Opens in a new window

Popular airlines from Los Angeles - Ontario Intl. Airport (ONT) to Harry Reid Intl. Airport (LAS)

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 25% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

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

Prices were available within the past 7 days and start at ₹11,325 for one-way flights and ₹22,643 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, 18 Feb - Tue, 24 Feb
ONT
Ontario
LAS
Las Vegas
₹22,643 Return, found 4 days ago
₹22,643
Return
found 4 days ago
Select United flight, departing Wed, 18 Feb from Ontario to Las Vegas, returning Tue, 24 Feb, priced at ₹22,643 found 4 days ago
United
Wed, 18 Feb - Tue, 24 Feb
ONT
Ontario
LAS
Las Vegas
₹22,918 Return, found 4 days ago
₹22,918
Return
found 4 days ago
Select United flight, departing Wed, 18 Feb from Ontario to Las Vegas, returning Tue, 24 Feb, priced at ₹22,918 found 4 days ago
American Airlines
Wed, 18 Feb - Tue, 24 Feb
ONT
Ontario
LAS
Las Vegas
₹23,186 Return, found 4 days ago
₹23,186
Return
found 4 days ago
Select American Airlines flight, departing Wed, 18 Feb from Ontario to Las Vegas, returning Tue, 24 Feb, priced at ₹23,186 found 4 days ago
Delta
Wed, 18 Feb - Tue, 24 Feb
ONT
Ontario
LAS
Las Vegas
₹24,316 Return, found 4 days ago
₹24,316
Return
found 4 days ago
Select Delta flight, departing Wed, 18 Feb from Ontario to Las Vegas, returning Tue, 24 Feb, priced at ₹24,316 found 4 days ago
United
Wed, 18 Feb - Tue, 24 Feb
ONT
Ontario
LAS
Las Vegas
₹25,261 Return, found 4 days ago
₹25,261
Return
found 4 days ago
Select United flight, departing Wed, 18 Feb from Ontario to Las Vegas, returning Tue, 24 Feb, priced at ₹25,261 found 4 days ago
Delta
Wed, 18 Feb - Tue, 24 Feb
ONT
Ontario
LAS
Las Vegas
₹26,080 Return, found 4 days ago
₹26,080
Return
found 4 days ago
Select Delta flight, departing Wed, 18 Feb from Ontario to Las Vegas, returning Tue, 24 Feb, priced at ₹26,080 found 4 days ago
American Airlines
Wed, 18 Feb - Tue, 24 Feb
ONT
Ontario
LAS
Las Vegas
₹27,073 Return, found 4 days ago
₹27,073
Return
found 4 days ago
Select American Airlines flight, departing Wed, 18 Feb from Ontario to Las Vegas, returning Tue, 24 Feb, priced at ₹27,073 found 4 days ago
American Airlines
Wed, 18 Feb - Tue, 24 Feb
ONT
Ontario
LAS
Las Vegas
₹27,341 Return, found 4 days ago
₹27,341
Return
found 4 days ago
Select American Airlines flight, departing Wed, 18 Feb from Ontario to Las Vegas, returning Tue, 24 Feb, priced at ₹27,341 found 4 days ago
American Airlines
Wed, 18 Feb - Tue, 24 Feb
ONT
Ontario
LAS
Las Vegas
₹27,433 Return, found 4 days ago
₹27,433
Return
found 4 days ago
Select American Airlines flight, departing Wed, 18 Feb from Ontario to Las Vegas, returning Tue, 24 Feb, priced at ₹27,433 found 4 days ago
Delta
Wed, 18 Feb - Tue, 24 Feb
ONT
Ontario
LAS
Las Vegas
₹27,928 Return, found 4 days ago
₹27,928
Return
found 4 days ago
Select Delta flight, departing Wed, 18 Feb from Ontario to Las Vegas, returning Tue, 24 Feb, priced at ₹27,928 found 4 days ago

Find the cheapest month to fly from Ontario (ONT) to Las Vegas (LAS)

March is typically the cheapest month to fly

From ₹4,265 - ₹25,729 per traveller.
Flight from Ontario to Las Vegas route information
Origin airport
Los Angeles - Ontario Intl.
Destination airport
Harry Reid Intl.
Return price
₹22,643
Distance
314 km
Average flight time
1 hour 5 mins

Perfect flights from Ontario to Las Vegas

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Ontario to Las Vegas. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Los Angeles - Ontario Intl. to Harry Reid Intl. ticket options cater to your travel preferences, with incredible one-way fares from ₹11,325 and roundtrip prices from ₹22,643. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Harry Reid Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in Las Vegas.

Frequently asked questions

How much is a flight from Ontario Airport to LAS?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price listed for a round-trip flight between Ontario Airport and LAS was ₹22,643. Cheap fares don't stick around for long, so make sure you book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Ontario Airport to Harry Reid Airport (formerly McCarran Airport)?
This can vary between air carriers, as each has its own set of terms and conditions. Head to the Customer Service Portal, where there are easy-to-follow instructions on how to cancel online.
How do I find cheap flights from ONT to Harry Reid Airport (formerly McCarran Airport) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Ontario Airport to LAS flights, you'll see a "no change fees" filter for you to select.
How far is the flight from ONT to LAS?
It's just 320 kilometres between Ontario and Las Vegas. It's quite possible that you'll spend more time travelling to and from the airport than you will actually flying!
Which airlines fly direct from Los Angeles - Ontario Intl. Airport (ONT) to Harry Reid Airport (formerly McCarran Airport)?
Southwest Airlines (WN) is one of the preferred choices for travellers jetting between Ontario Airport and LAS. Take your pick of the 143 flights it operates on this route each month. Frontier Airlines (F9) is also worth considering. It offers 56 flights every month. Between these two airlines, you'll be able to find a great deal from Ontario to Las Vegas.
Are Los Angeles - Ontario Intl. Airport (ONT) to Harry Reid Airport (formerly McCarran Airport) flight tickets cheaper when they're purchased at the last minute?
Booking your trip from ONT to Harry Reid Airport (formerly McCarran Airport) at the last minute could be your ticket to a great deal. However, it could end up costing you a whole lot more! If you'd prefer to err on the side of caution, book well ahead of your departure date. In fact, Expedia has some of the best bargains up to a year in advance. If your preferred carrier hasn't released tickets yet, check back frequently as deals are updated on Expedia all the time.

Explore a world of travel with Expedia

*Available to Expedia members.