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

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

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
American Airlines
American Airlines
American Airlines
American Airlines

Best Day to Book Flight from Las Vegas (LAS) to Ontario (ONT)

Las Vegas to Ontario Flight Information

Find the Cheapest Flights from Las Vegas (LAS) to Ontario (ONT)

Work hard, travel harder! Wotif brings you the cheapest Las Vegas to Ontario flights, making it possible to have a five star holiday without that five star price tag. Browse and compare our top LAS to ONT routes and airport options. So, go ahead and treat yourself, your sweetheart, or the kids to an unforgettable holiday this year.

to Information

Traveling From
Harry Reid Intl.
Origin Airport
Origin Airport IATA Code
LAS
Traveling To
Los Angeles - Ontario Intl.
Destination Airport
Destination Airport IATA Code
ONT
Number of Airlines Serving
Average Flight Time
hours mins
Direct Flight Time
hours mins
Flight Price
AU$709
Address:
2900 E. Airport Drive
Ontario CA, 91761
United States
IATA code:
ONT
Longitude:
-117.601193
Latitude:
34.056001
Time zone:
America/Los_Angeles
Address:
5757 Wayne Newton Boulevard
Las Vegas NV, 89119
United States
IATA code:
LAS
Longitude:
-115.147599
Latitude:
36.081
Time zone:
America/Los_Angeles

Las Vegas to Ontario Flight Deals from AU$709

Considering a quick trip to Ontario, but not sure which is the best route for you? Well, you’re in luck! Wotif has done the hard work, so all you need to do is check out these flights from LAS to ONT. With heaps of cheap fares from Las Vegas, we guarantee you’ll be arriving to your holiday destination in style without emptying your bank account in the process.

It’s easy to book flights to Ontario from Las Vegas  

For a huge choice of flights, simply enter your travel dates and hit search and we’ll hunt out fantastic deals on one-way, return and multi-city airfares to Ontario from Las Vegas from 10 different airlines. If you click the ‘direct flights’ box, you see flights that’ll get you to Ontario in just hour(s) and mins, too.   

Snap up great deals on flights to Ontario from Las Vegas 

Choose from flights a day on average, with prices starting at AU$709 and rising to AU$1,002 depending on the cabin class, travel dates, and airline carrier. And if you’re up for a last-minute getaway, you can get great deals on flights from Las Vegas to Ontario today!  

Find cheap airfares to Ontario from Las Vegas 

Here are our insider tips for bagging a flight bargain: 

  • Look for midweek flights and late night, early morning arrival and departure times
  • Check out other airports near Las Vegas and Ontario
  • Avoid peak season (prices tend to be lower in August)
  • Be flexible with your travel dates and you can usually get cheaper options  

Reasons to book your flights to Ontario from Las Vegas with Wotif

Wotif is a super-easy way to find the best flight for you to Ontario. Get more bang for your buck on flight and hotel or car rental combos and download the free Wotif app to tap into exclusive deals. Book now with Wotif and have a great flight!

 

Great places to stay after flight from Las Vegas to Ontario

Ontario Airport Hotel & Conference Center

Ontario Airport Hotel & Conference Center

3.5 out of 5
700 N Haven Ave, Ontario, CA
The price is AU$189 per night from 6 Aug to 7 Aug
AU$189
6 Aug - 7 Aug
includes taxes & fees
Book a stay at this business-friendly hotel in Ontario. Enjoy free WiFi, breakfast (surcharge), and room service. Our guests praise the helpful staff and the ...
8.6/10 Excellent! (2,887 reviews)
"Staff was great"

Reviewed on 28 Jul. 2025

Ontario Airport Hotel & Conference Center
La Quinta Inn & Suites by Wyndham Ontario Airport

La Quinta Inn & Suites by Wyndham Ontario Airport

3 out of 5
3555 Inland Empire Blvd, Ontario, CA
The price is AU$174 per night from 6 Aug to 7 Aug
AU$174
6 Aug - 7 Aug
includes taxes & fees
Stay at this 3-star business-friendly hotel in Ontario. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff ...
8.2/10 Very Good! (1,951 reviews)
"Bed was very comfortable"

Reviewed on 28 Jul. 2025

La Quinta Inn & Suites by Wyndham Ontario Airport
Ontario Airport Inn

Ontario Airport Inn

2.5 out of 5
1801 E G St, Ontario, CA
Book a stay at this business-friendly hotel in Ontario. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff ...
8.8/10 Excellent! (1,591 reviews)
Go to spot
"I love this location and I stay here every time I come to Cali! Perfect location 40/45 min travel LA. My favorite go to spot! Me and my fiancé love this spot! Comfortable beds and free breakfast."

Reviewed on 29 Jul. 2025

Ontario Airport Inn
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

^Savings based on all package bookings made with Flight + Hotel on Wotif.com from , as compared to the price of the same components booked separately. Savings will vary based on origin/destination, length of trip, stay dates and selected travel supplier(s). Savings not available on all packages.