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Find cheap flights from Las Vegas to Ontario from $52

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Las Vegas to Ontario departing on 6/4. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Fri 6/7
Fri 6/14

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Best Ontario Flight Deals

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours

Toronto
Torontononstop$117
Ottawa
Ottawa1 stop$345

Good to know

Low season

February

High season

June

Cheapest flight

$52
Best time to beat the crowds with an average 46% drop in price.
Most popular time to fly and prices are also 1% lower on average.
Flight from Las Vegas to Toronto Pearson Airport

FAQs - booking Ontario flights

  • How does KAYAK find such low prices on flights from Las Vegas to Ontario?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Las Vegas to Ontario.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Las Vegas to Ontario?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ontario from Las Vegas is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Las Vegas to Ontario?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ontario with an airline and back to Las Vegas with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Las Vegas to Ontario?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ontario from Las Vegas up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top tips for finding cheap flights to Ontario

  • Morning departure is around 12% more expensive than an evening flight, on average*.
*Average of the lowest prices shown in KAYAK’s search results for departures within the next 30 days

Top 5 airlines serving from Las Vegas to Ontario

 
Need help choosing which airline to fly with from Las Vegas to Ontario? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.5
Korean AirOverall score based on 1181 reviews
8.2Food
8.2Entertainment
8.8Crew
8.6Boarding
8.3Comfort
Airline reviews

The flight crews were extremely professional, helpful, and courteous. Departure and arrival times were accurate. No delay. I will use K airline again. Thanks

10.0 ExcellentAnonymous, Apr 2024IAD - ICN
Read more about Korean Air reviews

The flight crews were extremely professional, helpful, and courteous. Departure and arrival times were accurate. No delay. I will use K airline again. Thanks

Not very comfortable seated in the back plane due to turbulence

Great crew, decent food Charging plugs were broken on both seats next to me. Only the USB port was available, and that charges, very, very slowly. Seat was also broken, it would not lock into position when reclining.

Korean Air had great service and the Bibimbap dish was the best airplane food I’ve ever had. It was a long flight so in between the two meals they served customers could get Shin ramen. The flight attendants let my children use a pair of nice headphones for the flight and had earbuds and slippers for all the adults. The flight was long but the time passed by relatively quickly because they have many great shows in their entertainment TV. I watched the BTS Love Yourself and Speak Yourself concerts 💜

not too bad but not too great either. Service on all airlines declined ever since covid. Your Delta Stewardess are not that friendly at all. :-(

Not accommodating ground staff On board slow service Crew members not very friendly

You did not put me on a Korean Air flight! so I do not have nothing to say

My flight was diverted to Atlanta and I was not given enough time. I paid my travel on April 23, 2023. It was originally Delta from Norfolk to NY, then Korean Air from NY all the way Philippines which is my final stop. Instead from Atlanta to Korea I flew Delta which is okay. Then Korea to Philippines, I flew Asiana Airlines. What I did not like, Ieagle did not sent me an email that my flight was change and so when I went to check in Wednesday the 10th, at 4:30 a.m they told me my flight was delayed at 6;00 p.m and diverted in Atlanta and I am flying Asiana from Korea to Philippines. I do not appreciate that Kayak or Ieagle chenge our flights 5 times and then last minute change again during my day of flight. I hope that you will not make any changes of my flight o Feb 15th because it has to be the same flight with my husband. That is the reason why we made the arrangements early on.

Wonderful cabin crew!!!!! Food was poor, in flight entertainment was just ok. They need to serve more water on a 15 hour flight--we were dehydrated and kept asking for water.

Going through security a third time to get on the next flight was again utterly ridiculous and unnecessary. We were in a International secure area once again and as far as I'm concerned should not have been put through the gears for absolutely no reason. The United States can get all the information they need from the travel itinerary, there was no need to be forced out of a secure area to personally interview everyone on a connecting flight to find out their US immigration status.

I feel like they have upgraded the app since I last flew United and I found it to be super helpful. I had stopped flying United unless absolutely necessary and my experience on this trip indicates they have been working hard to improve their services.

The ride was good but no food ot entertainment hence, it was just over an hour flight.

Your app is impossible to use. I couldn't load it. Then i couldn't open it. When i finally got both those things done -with much help -then i couldn't open the app to install a credit card. The upshot was 4 flights without access to food or drink. When i first tried to download united app some company called starlier opened instead and i would up signing up for some 49 dollar a month music service which i still have not been able to cancel.

Aircraft has better leg room than any of United's larger planes. We had requested mobility assistance for this and related flights. United's response to all was superb.

No snacks served! Seating in the kast row in uncomfortable.

Flight was fine, it was delayed but only 30 minutes, staff were efficient, lady making announcements at LAX was really hard to understand but the rest were great.

The male air hostess was rude and didn’t even offer me a drink. Poor customer service!

We left really late. Things that were out if anybody’s control I guess.

I contacted both carriers months beforehand to change the cabin (booked in April) but to no avail (united asked to contact Swiss since it was their equipment, Swiss told me to reach out to united). So yeah… My seat was pretty worn down, legroom on 27K was more than enough, but still economy seating so, getting to know your neighbours was easy. According to ground staff, the flight was massively overbooked- and this showed. I ordered a gluten free meal beforehand (which was honoured) but for breakfast got a bread roll and croissant 🤷🏼‍♂️ The connection itself is great. Leaving SFO late PM to arrive at ZRH in the afternoon makes it easier to get re adjusted again. However, and since I’ve flown this connection a couple of times in the past, I will rather deal with one carrier only and include a layover on the east coast.

Nothing bad to say about the actual crew or airline. It was nice to have a complimentary FULL can of soda, as well as a snack. Blankets and earbuds were also provided at no cost for this red eye flight. I especially appreciated the free WiFi and movie selection with the Bluetooth option. It helped the flight pass more quickly. No matter who you fly, boarding and disembarking are always SUCH a pain. As I mentioned, this is on the passengers and not the crew!!

Even though we left CMI late, we mostly made up the time.

Delayed almost 4 hours for a 45 minute flight with no explanation.

Again, multiple delays and I eventually just canceled and drove!

Great crew. Very comfortable business seats with nice bedding. Good food. We were delayed to let late passengers on the flight, but otherwise great experience.

Great crew. We were delayed so that late passengers could get on the flight. Love the bedding in business class. Good food. Great experience.

The CX617 from HK to BKK was delayed more than 1.5 hours.

Horrible - they lied to me about baggage & boarding, even though I specifically spoke to their agents the day before my flight about my issue. When I showed up they did not let me board and stranded me at my airport until I bought a new flight with money I did not have to spend.

I was in business class. There was an excellent headset. But half an hour before arrival they collected them! The rest of the trip I had to use a cheap earphone. There must be a better way to protect the headphones.

All four American Airlines flights I took in last seven days were delayed. Caused me loads of problems, missed meetings, loss of time and money.

American cancelled our flight home. Zero option for hotel, alternative transportation and took 3 hours to find our bags so we could take a 3 hour UBER ride home on our dime. Never flying AA again.

The boarding attendant was slightly rude when I asked about checking our stroller. Made me feel like I was bothering her.

Not much seat room, but that was unexpected. But the seat headrest was very uncomfortable.

what I like about Spirit is that the pilot and crew are good communicators. The plane itself - well, its a budget airline and you get what is expected, But I generally just feel safer, somehow, when I know more about what is going on - and Spirit has always done a good job of telling me what is going on: why the delay, why the turbulence, why this and that... and that means a lot to me.

There was a .79 discrepancy between the cost of the flight and what was paid. Spirit didn't let me obtain my boarding pass until the .79 (seventy nine cents) was paid. Contacting their customer service to resolve the issue was a nightmare that involved many wait minutes and two different departments. The price Kayak gave to Affirm, whom I used to pay for the tickets, and the price Spirit charged for the flight were off by the .79. I almost lost the ticket because of the hassle.

They sure know how to make you feel like you're packed into a sardine can. Most uncomfortable seat you imagine.

I flew from Las Vegas to Reno Nevada. Airfare was 60 $ round trip. I needed to bring my skis and boots.that was going to be $111 to bring them. Upon arrival they informed me that anyone who has skis more than 62 inches long is charged an oversize fee of $150 each way. Almost everyone over 5 foot five has skis over 62 inches long. So I paid $60 for the flight and $411 to bring my skis with me! WTF

The agent at the check in desk was absolutely rude. The rest of the team after that was good, but the check in process at LAS was miserable. The woman at the desk spoke like we were stupid and was rude throughout the process.

Great value airline. It doesn’t always work out flawlessly but this flight from Vegas to Reno was perfect.

Delayed several times. Flight was to arrive at midnight and it arrive at 3 am. A 3 hour delay is already bad but one that has you arriving in the wee hour is just disruptive and overall unacceptable. The complete lack of restitution is a joke in keeping with Spirit’s reputation of ranking bottom-low in the pecking order.

Flight was canceled and rebooked for the next day. Had to cancel the entire vacation.

Frontier is a crappy airline nothing about it is honest

I didn't get to do this flight l, hard to review

Not good 😐 Over priced baggage fees Small hard seats No wifi or entertainment options 😕

Didn't like anything!! Horrible flight. Small seating area and hard seats. Butt was sore after 2 hour flight to Seattle No entertainment or free refreshments No wifi or USB charging receptacles to charge phone entoute like other airliners Luggage rates were 3 times as much as competitors. Difficult to navigate online luggue process to pre pay before flight Overall bad experience WILL NEVER RIDE OR RECOMMEND FRONTIER TO FRIENDS OR FAMILY MEMBERS!!! THIS IS A SHAME!! MOST MESERIBLE FLIGHT OF MY LIFE!! AND I THOUGHT SPIRIT WAS 👎 YOU GOT THEM BEAD HANDS DOWN!!

Flight was a little late taking off. Seats are too upright, no ports to charge devices, no wifi, no entertainment

Flight was cancelled and I had to spend the night in the airport lugging my suitcase around

I liked getting off the plane. Everything else was well below standards. Not even offering a bag of peanuts for free for a 4 hours flight is ridiculous.

The whole experience was bad. Didn't know no complimentary drinks or snacks. $4.39 for a soda is ridiculous even a bottle water. A carry on was $74 just crazy. I don't think I will take this airline ever again. Very bad

Delayed...attendants checked every single bag and item for sizes before boarding.

4 hour delay because they used our aircraft to fly a different segment (per the captain)

Book cheap flights from Las Vegas to Ontario

Recent round-trip flight deals

6/6Thu
nonstopFlair Airlines
4h 30mLAS-YYZ
6/15Sat
nonstopFlair Airlines
5h 00mYYZ-LAS
$117
6/6Thu
nonstopFlair Airlines
4h 30mLAS-YYZ
6/15Sat
nonstopFlair Airlines
5h 00mYYZ-LAS
$121
7/2Tue
nonstopAir Canada
4h 25mLAS-YYZ
8/8Thu
nonstopAir Canada
4h 52mYYZ-LAS
$278
5/18Sat
1 stopAir Canada
7h 13mLAS-YYZ
5/28Tue
nonstopAir Canada
4h 35mYYZ-LAS
$283
5/23Thu
1 stopUnited Airlines
13h 43mLAS-YYZ
5/27Mon
1 stopUnited Airlines
8h 01mYYZ-LAS
$298
6/4Tue
1 stopUnited Airlines
6h 59mLAS-YYZ
6/19Wed
1 stopUnited Airlines
8h 53mYYZ-LAS
$300
7/1Mon
1 stopAmerican Airlines
7h 12mLAS-YYZ
8/7Wed
1 stopAmerican Airlines
7h 31mYYZ-LAS
$319
5/28Tue
1 stopAmerican Airlines
9h 29mLAS-YYZ
6/4Tue
1 stopAmerican Airlines
10h 36mYYZ-LAS
$328
6/21Fri
1 stopDelta
7h 28mLAS-YYZ
7/5Fri
1 stopDelta
10h 14mYYZ-LAS
$338
7/2Tue
1 stopDelta
7h 27mLAS-YYZ
8/6Tue
1 stopDelta
10h 26mYYZ-LAS
$339

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Recent one-way flight deals

6/4Tue
nonstopFlair Airlines
4h 30mLAS-YYZ
$52
6/6Thu
nonstopFlair Airlines
4h 30mLAS-YYZ
$53
6/11Tue
1 stopAir Canada
9h 24mLAS-YTZ
$112
6/7Fri
nonstopAir Canada
4h 20mLAS-YYZ
$112
5/15Wed
2 stopsUnited Airlines
14h 18mLAS-YYZ
$121
6/10Mon
1 stopUnited Airlines
11h 53mLAS-YYZ
$122
6/11Tue
1 stopDelta
8h 03mLAS-YYZ
$138
5/17Fri
1 stopDelta
7h 54mLAS-YYZ
$152
6/2Sun
1 stopAmerican Airlines
8h 16mLAS-YYZ
$180
5/26Sun
1 stopAmerican Airlines
8h 16mLAS-YYZ
$197

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Last minute flights from Las Vegas to Ontario

Last minute flight, train and bus deals

5/11Sat
nonstop
4h 30mLAS-YYZ
5/14Tue
multi-stop
22h 54mYYZ-LAS
$306
5/11Sat
multi-stopUnited Airlines
8h 36mLAS-YYZ
5/25Sat
multi-stopUnited Airlines
7h 26mYYZ-LAS
$315
5/11Sat
nonstop
4h 30mLAS-YYZ
5/14Tue
multi-stop
20h 22mYYZ-LAS
$333
5/13Mon
multi-stopDelta
7h 54mLAS-YYZ
5/28Tue
multi-stopDelta
7h 46mYYZ-LAS
$360
5/11Sat
multi-stopDelta
8h 14mLAS-YYZ
5/25Sat
nonstopDelta
4h 59mYYZ-LAS
$373
5/10Fri
multi-stopWestJet
16h 30mLAS-YYZ
5/24Fri
multi-stopWestJet
24h 24mYYZ-LAS
$378
5/9Thu
nonstopCanada Jetlines
4h 05mLAS-YYZ
5/23Thu
nonstopCanada Jetlines
4h 50mYYZ-LAS
$524
5/9Thu
multi-stopAlaska Airlines
12h 40mLAS-YYZ
5/24Fri
multi-stopAlaska Airlines
31h 42mYYZ-LAS
$731
5/9Thu
multi-stopAlaska Airlines
12h 40mLAS-YYZ
5/24Fri
multi-stopAlaska Airlines
26h 25mYYZ-LAS
$870
5/10Fri
nonstopWestJet
4h 17mLAS-YYZ
5/24Fri
nonstopWestJet
4h 59mYYZ-LAS
$888

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Las Vegas - Ontario Flights

Departure:

Las Vegas (LAS)United States

Return flight deals:

Ontario - Las Vegas

Cabin classes:

$1,837
$1,605
$1,494
$147