$145 Find Cheap Flights from Canada to Ontario - Compare and Save

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Cheap Flights from Canada to Ontario

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Canada to Ontario

Thu, Nov 12 - Mon, Nov 16
Delta Logo
12:27 pm - 4:19 pmYVR  Vancouver Intl-ONT Ontario
4h 52m1 stop Seattle/Tacoma Intl
Delta Logo
11:57 am - 11:16 pmONT  Ontario-YVR Vancouver Intl
10h 19m1 stop Seattle/Tacoma Intl
$309Delta
Mon, Oct 12 - Sun, Oct 18
Delta Logo
7:20 am - 5:12 pmYVR  Vancouver Intl-ONT Ontario
9h 52m1 stop Seattle/Tacoma Intl
Delta Logo
11:56 am - 9:13 pmONT  Ontario-YVR Vancouver Intl
9h 17m1 stop Seattle/Tacoma Intl
$309Delta
Fri, Nov 13 - Sun, Nov 15
Delta Logo
7:15 am - 10:17 amYVR  Vancouver Intl-ONT Ontario
4h 02m1 stop Seattle/Tacoma Intl
Delta Logo
11:57 am - 11:16 pmONT  Ontario-YVR Vancouver Intl
10h 19m1 stop Seattle/Tacoma Intl
$309Delta
Thu, Sep 17 - Mon, Sep 21
Multiple Airlines Logo
10:00 am - 7:36 pmYYC  Calgary-ONT Ontario
10h 36m1 stop San Francisco
Multiple Airlines Logo
8:24 pm - 4:40 pmONT  Ontario-YYC Calgary
19h 16m2 stops Las Vegas Harry Reid Intl San Francisco
$321Multiple Airlines
Mon, Oct 12 - Mon, Oct 19
Multiple Airlines Logo
5:00 am - 10:29 amYVR  Vancouver Intl-ONT Ontario
29h 29m2 stops Calgary Denver Intl
Multiple Airlines Logo
12:01 pm - 9:10 pmONT  Ontario-YVR Vancouver Intl
9h 09m1 stop San Francisco
$324Multiple Airlines
Fri, Oct 23 - Sun, Oct 25
Alaska Airlines Logo
5:25 pm - 11:42 pmYVR  Vancouver Intl-ONT Ontario
6h 17m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
6:02 am - 10:55 amONT  Ontario-YVR Vancouver Intl
4h 53m1 stop Seattle/Tacoma Intl
$327Alaska Airlines
Fri, Oct 16 - Mon, Oct 19
United Airlines Logo
3:22 pm - 10:51 pmYYC  Calgary-ONT Ontario
8h 29m1 stop San Francisco
United Airlines Logo
6:07 am - 12:19 pmONT  Ontario-YYC Calgary
5h 12m1 stop San Francisco
$340United Airlines
Fri, Sep 11 - Sun, Sep 13
United Airlines Logo
1:41 pm - 6:11 pmYYC  Calgary-ONT Ontario
5h 30m1 stop San Francisco
United Airlines Logo
6:08 am - 12:19 pmONT  Ontario-YYC Calgary
5h 11m1 stop San Francisco
$341United Airlines
Sat, Sep 19 - Sat, Sep 26
American Airlines Logo
6:46 am - 11:47 amYYZ  Toronto Pearson Intl-ONT Ontario
8h 01m1 stop Dallas/Fort Worth
American Airlines Logo
6:00 am - 5:20 pmONT  Ontario-YYZ Toronto Pearson Intl
8h 20m1 stop Dallas/Fort Worth
$493American Airlines
Sat, Sep 19 - Sat, Sep 26
American Airlines Logo
6:46 am - 11:47 amYYZ  Toronto Pearson Intl-ONT Ontario
8h 01m1 stop Dallas/Fort Worth
American Airlines Logo
6:00 am - 5:20 pmONT  Ontario-YYZ Toronto Pearson Intl
8h 20m1 stop Dallas/Fort Worth
$494American Airlines
Booking Insights

KAYAK's insights & trends for flights to Ontario

Get data-powered insights and trends for flights to Ontario to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest flight to Ontario?

In the last 5 days, the cheapest flight deal to Ontario was found on the route from Vancouver, at $309 return. The most popular connection is from Toronto to Ontario and KAYAK users have found round-trip deals for as low as $420 in the last 5 days.

What is the cheapest month to fly to Ontario?

The cheapest month for flights to Ontario is April, where tickets cost $421 on average for return flights. On the other hand, the most expensive months are January and December, where the average cost of tickets from Canada is $751 and $669 respectively. For one-way flights, the best month to travel is October with an average price of $202.

Good to know

Low season

February

Cheapest flight

$145
Best time to beat the crowds but there is an average 45% increase in price.
Most popular time to fly and prices are also 10% lower on average.
Flight from Vancouver to Ontario

FAQs - booking Ontario flights

  • What is the cheapest flight to Ontario?

    In the last 5 days, the cheapest flight deal to Ontario was found on the route from Vancouver, at $309 return. The most popular connection is from Toronto to Ontario and KAYAK users have found round-trip deals for as low as $420 in the last 5 days.

  • How far is Ontario Airport from central Ontario?

    Central Ontario is 3 miles away from Ontario Airport.

  • What is the name of Ontario’s airport?

    There is only 1 airport in Ontario, called Ontario Airport (ONT). It can also be referred to as Ontario or Ontario Intl.

  • How does KAYAK find such low prices on flights 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 to Ontario.

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

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

  • What is the Hacker Fare option on flights 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 with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight 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 up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • How many direct flights to Ontario are there each week?

    Each week there are around 1,003 direct flights from within Canada to Ontario. The most common day for departures is Sunday, with 19% of flights taking off on this day.

Top tips for finding cheap flights to Ontario

  • Enter your preferred departure airport and travel dates into the search form above to unlock the latest Ontario flight deals.

Reviews of the top 3 airlines serving from Canada to Ontario

 
Need help choosing which airline to fly with 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.
7.8
DeltaOverall score based on 8538 reviews
7.8Comfort
8.1Boarding
8.5Crew
7.8Entertainment
7.2Food
Airline reviews

Crew and support were very good; lounge was very good. Seat was narrow and very close to other passengers; lie flat is more complicated and exposed to the aisleways.

6.0 GoodWenny, Aug 2026
Read more Delta reviews

Crew and support were very good; lounge was very good. Seat was narrow and very close to other passengers; lie flat is more complicated and exposed to the aisleways.

Very bad multiple confusion and miscommunication which i ended up missing my flight.

The experience was bad. Flight was delayed to handle maintenance (understandable) but still there was some dew forming and dropping as droplets on few seats. Internet at best was allowing some browsing but at a snail pace.

Both of my flights to and from JFK experienced significant delays. Most notably, my first flight was delayed by six hours due to crew members being affected by delays on a previous flight. While I understand that disruptions can occur, Delta’s staffing and operational planning should include sufficient contingency measures to handle situations like this rather than placing the full burden of those delays on customers. Additionally, the $12 meal voucher offered as compensation was inadequate, particularly given the high cost of food and beverages at the airport. Considering the length of the delay and the substantial inconvenience caused, I believe more meaningful compensation would have been appropriate.

Comfortable seats. Nice service online. Short flight, so not a lot of time to enjoy.

The flight was done by SkyWest only WIFI no entertainment center are available on the CRJ

Delta is always late. Ruined our first day of a short vacation. Timing is important. We pay to stay on an itinerary

We never made it on this flight because we missed our connection due to o delayed flight from Jackson.

We got stuck on the tarmac taxiing after landing early so we didn’t get off the plane until an hour later than we thought we would

It was okay. We were delayed for weather reasons, but the pilots and the flight control staff figured a way around the storm and were able to get us to Los Angeles safely. Not all the staff members were polite, but the entertainment on the flight was good.

The flight was excellent. Their was no service as we boarded, the flight attendants spent about 30 minutes just taking and not really caring that the cabin was about 80 degrees and did not offered any beverage to first class passengers or any passenger. The flight from DEN to ONT is not long but not under an hour, we received one drink and bag of chips if you were lucky. I was in first class…. I did leave my hat on the plane and it only took less than five minutes for a United rep to locate and bring it to me.

We boarded the plane and were about to take off when we were notified that the tires had to be checked. Upon inspection, they were found to need replacement, so the entire plane had to be deboarded. After we exited the plane, United staff forced us to stay in the gate area by posting "Do Not Exit" signs on the doors connecting the gate area to the terminal. Many of us had already rebooked our flights and had no checked bags, but they told us we could not leave. This seemed inappropriate to hold people under false pretenses. When the agent told us we could leave, I asked them to please take down the "Do Not Exit" signs, as they were misleading. The agent refused, and I told them that it didn't feel right to hold people like that.

Friendly crew, but we were delayed for more than an hour and had to change planes due to maintenance issues.

Flight attendants had a little attitude. Food tastes no good.

Very poor. The flight was delayed from Toronto because some forget to do there job . I got to my connecting gate in San Francisco 10 minutes before the departure.but this didn’t let me board even though the flight was still there for an other 30 minutes. The the gentleman at the unite airline desk told me that they usually wait for passengers but air Canada called and told them not to we I been rerouted to Manila instead of Hong Kong . In San Francisco they mad me check in my carryon bag . I was told the it will directly go yo ho chi minn cuyt but I was told that by the Vietnams airline desk that’s not there I’m 10 hours behind my scheduled flight and looks like I I’m going without baggage. I don’t have a chance of catching ..

The food quality sucks. One must starve if they do not eat flesh Or wheat based products Some variety would be expected. The trivial amount of snacks and or food is inhumane

It was all good flight was on time, service was good I enjoyed a few movies and everything was smooth

Airbus plane, nice and polite staff, entertainment even as it was a short flight.

We tried to upgrade to economy premium but were told this was not possible as we had booked through United Airlines (and Air Canada was operating the flight). This seemed silly given there was ample space in economy premium. Additionally, we had to wait almost 1.5 hours upon arrival to taxi to the gate. Otherwise, the crew were very pleasant and passengers were friendly.

Airline did not explain reasons why flight was delayed two hours. Explanations were badly needed and rarely provided. Problem seemed to clearly be the airline’s fault and not the fault of the weather or airport.

The seats cushion on my seat (exit row) needs to be replaced. It felt like I was sitting on a bar rather than a seat cushion. Also, I was in the middle seat and I sat next to an oversized guy (window seat) and he took up about 25% of my space. Otherwise, the experience was good. :)

Worst experience ever, extremely disorganized airline with super rude crew for first class passengers. I have submitted feedback to AA customer care online that this was my worst experience traveling in over 30 years

The plane was late getting to Ontario by half an hour which makes it inconvenient when you have people waiting for you.

I have to sit in the middle for more than five hours because the first flight was delayed. Terrible experience. No more American Airlines.

The boarding process was slow and we had a delay on the tarmac, not the fault of the airline. They had ZERO food options available for purchase which shouldn't happen.

I got bumped by Qantas to American Airlines incurring a 6 hr layover at lax. I was not happy

Smooth flight. From the early boarding and all were on board before departure time and arrived early in ONT. Great crew. Thank you!!!!

Amazing I love American. I’ll never fly anyone else if I can help it.

Everything was great except for the wifi was junk. Crew was super friendly and helpful

It was fine. I didn't love the food but it was at least a real attempt at serving a meal, unlike my earlier flight from Nashville to Dallas.

Everything you need to know for your flight to Ontario

Information on the airport you'll fly into in Ontario