฿4,975 Cheap Flights from Ontario (ONT) to Las Vegas (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 ฿9,695. 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.

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.

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.

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!

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.

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.