Beginning of main content
Trip Type
Flight 1
Flight 2
Flight 3
Flight 4
Flight 5

Search over 321,000 hotels worldwide and 400 airlines worldwide.

Secure incredible value with Expedia's Price Guarantee.

No Expedia cancellation fee to change or cancel almost any hotel reservation.

Cheap LAS to ONT Flights

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Orange County

$90.80

Long Beach

$72.80

Los Angeles

$78.40

Burbank

$158.21

Cheap LAS to ONT Flights

Question : Which airline has been the most dependable in getting passengers to their destination on schedule?
Answer : The current leader is American Airlines with a 100% on-time rate. Stick to American Airlines and you won't spend more time in airports than you have to. Perfection is hard to come by, so hopefully it continues.

Question : If speed is all that matters, how can you get from LAS to ONT as quickly as possible?
Answer : Southwest Airlines currently holds the fastest travel time with 50 minutes. So, you would arrive in Ontario at 9:25 PM PST if you left Las Vegas at 8:35 PM PST.

Question : Looking for the cheapest flight over the next 30 days?
Answer : As of Nov 20th, the best day for deals to Ontario (ONT) is Dec 9th. It costs $183, which is 52% below this route's average price.

Question : What is the cheapest round-trip ticket you can get to Ontario?
Answer : Prices are hitting highs of $860 over the next three months when flying to ONT from LAS. Check out American Airlines, as they have been booking customers at just $183.

Question : Is there another local airport to fly into besides Ontario International Airport (ONT)?
Answer : Ontario International Airport is a great airport, but there is a cheaper option – John Wayne Airport. It’s just 30 miles away and flights are being booked 60% cheaper over the coming two months.

Question : How many departure times from McCarran International Airport (LAS) to Ontario International Airport (ONT) are there on a daily basis?
Answer : Depending on the day of the week, the number of flight times will change, but on average there are 12. Compared to the average route departing the United States with nine flight times, you'll have more options than most.

Question : Is this route your best bet for getting to Ontario with minimal delays?
Answer : Using the combined on-time percentage and average delay breakdown, Las Vegas to Ontario currently has a 2 out of a possible 5 star rating. A 2-star rating means you should feel rather worried about getting to Ontario on time.

Las Vegas to Los Angeles Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Las Vegas to Los Angeles will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Los Angeles.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with LAS to ONT flights that won’t make your bank account wince. Ready to temporarily leave behind Las Vegas for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to ONT with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.