S$143 Cheap Flights from Las Vegas to Ontario

View S$143 flight on Thu, 15 May, 2025Opens in a new window

Popular airlines from Harry Reid Intl. Airport (LAS) to Los Angeles - Ontario Intl. Airport (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 S$143 for one-way flights and S$373 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, 15 May - Sun, 18 May
LAS
Las Vegas
ONT
Ontario
S$373 Return, found 2 days ago
S$373
Return
found 2 days ago
Select United flight, departing Thu, 15 May from Las Vegas to Ontario, returning Sun, 18 May, priced at S$373 found 2 days ago
American Airlines
Thu, 15 May - Sun, 18 May
LAS
Las Vegas
ONT
Ontario
S$400 Return, found 2 days ago
S$400
Return
found 2 days ago
Select American Airlines flight, departing Thu, 15 May from Las Vegas to Ontario, returning Sun, 18 May, priced at S$400 found 2 days ago
United
Thu, 15 May - Sun, 18 May
LAS
Las Vegas
ONT
Ontario
S$402 Return, found 2 days ago
S$402
Return
found 2 days ago
Select United flight, departing Thu, 15 May from Las Vegas to Ontario, returning Sun, 18 May, priced at S$402 found 2 days ago
United
Thu, 15 May - Sun, 18 May
LAS
Las Vegas
ONT
Ontario
S$420 Return, found 2 days ago
S$420
Return
found 2 days ago
Select United flight, departing Thu, 15 May from Las Vegas to Ontario, returning Sun, 18 May, priced at S$420 found 2 days ago
American Airlines
Thu, 15 May - Sun, 18 May
LAS
Las Vegas
ONT
Ontario
S$430 Return, found 2 days ago
S$430
Return
found 2 days ago
Select American Airlines flight, departing Thu, 15 May from Las Vegas to Ontario, returning Sun, 18 May, priced at S$430 found 2 days ago
United
Thu, 15 May - Sun, 18 May
LAS
Las Vegas
ONT
Ontario
S$449 Return, found 2 days ago
S$449
Return
found 2 days ago
Select United flight, departing Thu, 15 May from Las Vegas to Ontario, returning Sun, 18 May, priced at S$449 found 2 days ago
Delta
Thu, 15 May - Sun, 18 May
LAS
Las Vegas
ONT
Ontario
S$450 Return, found 2 days ago
S$450
Return
found 2 days ago
Select Delta flight, departing Thu, 15 May from Las Vegas to Ontario, returning Sun, 18 May, priced at S$450 found 2 days ago
American Airlines
Thu, 15 May - Sun, 18 May
LAS
Las Vegas
ONT
Ontario
S$459 Return, found 2 days ago
S$459
Return
found 2 days ago
Select American Airlines flight, departing Thu, 15 May from Las Vegas to Ontario, returning Sun, 18 May, priced at S$459 found 2 days ago
Delta
Thu, 15 May - Sun, 18 May
LAS
Las Vegas
ONT
Ontario
S$464 Return, found 2 days ago
S$464
Return
found 2 days ago
Select Delta flight, departing Thu, 15 May from Las Vegas to Ontario, returning Sun, 18 May, priced at S$464 found 2 days ago
United
Thu, 15 May - Sun, 18 May
LAS
Las Vegas
ONT
Ontario
S$471 Return, found 2 days ago
S$471
Return
found 2 days ago
Select United flight, departing Thu, 15 May from Las Vegas to Ontario, returning Sun, 18 May, priced at S$471 found 2 days ago
Las Vegas to Ontario route information
Origin airport
Harry Reid Intl.
Destination airport
Los Angeles - Ontario Intl.
Return price
S$372
Distance
314 km

Flights from Las Vegas to Los Angeles

When looking for plane tickets from Las Vegas to Los Angeles, the ease and convenience of using Expedia simply can’t be beat. With tons of departure points and flights options from the top airline carriers, Expedia gives you the widest array of cheap flights to Los Angeles. Look for LAS to ONT airfare with the assurance that you have the largest online travel agency working for you.

Expedia lets you search across the largest number of airlines and Los Angeles flights, which means that you’ll be able to find a great flight deal at the perfect travel date and time. Our simple-to-use booking engine makes looking for terrific bargains easy and hassle-free; just enter your travel dates and departure city, and let Expedia do the rest! Adjust your travel dates and explore connecting flights to find an even better deal on your Las Vegas Los Angeles flight!

Browse through dozens of options and rest assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Las Vegas to Los Angeles trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.

Combine your Los Angeles flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights from Las Vegas to Los Angeles with Expedia. Use us as your stop travel destination and have the confidence that you’re getting a bargain!

Frequently asked questions

How much is a flight from LAS to ONT?
The lowest price advertised for a round-trip journey from LAS to ONT is S$373. But you better get moving. This price is based on fares available within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from LAS to ONT?
This differs between air carriers, as each one has its own set of terms and conditions. Head to the Customer Service Portal, where there are easy instructions on how to cancel online.
How do I find cheap flights from LAS to ONT 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 LAS to ONT flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from Harry Reid Airport (formerly McCarran Airport) to Ontario Airport?
With a flight distance of 320 kilometres, it’s only a short hop from LAS to Los Angeles - Ontario Intl. Airport (ONT). It might be a quick flight, but it’s still worth bringing along something to keep you entertained on board.
Which airlines fly direct from Harry Reid Airport (formerly McCarran Airport) to Ontario Airport?
Southwest Airlines (WN) is one of the top choices for many travellers flying between LAS and Los Angeles - Ontario Intl. Airport (ONT). Select from the 143 flights it operates on this route each month. If you’re eager for more options, check out the fares from Frontier Airlines (F9). This carrier offers 56 flights a month between these airports.
Are LAS to Ontario Airport flight tickets cheaper when they're purchased at the last minute?
Last-minute bookings from LAS to Ontario Airport can be hit-or-miss. You may be able to find a bargain, but then again, you could miss out entirely! If you’d rather play it safe and start planning early, Expedia compares flight deals up to a year in advance. Just keep in mind that not all airlines publish their prices that far in advance. Our top tip? Check back often as prices are updated regularly.

Explore a world of travel with Expedia

Ontario Airports

Los Angeles

Las Vegas to Los Angeles Intl.
S$127.10

Orange County

Las Vegas to John Wayne
S$178.70

Burbank

Las Vegas to Hollywood Burbank
S$411.10
*Available to Expedia members.