Find flights
Deals
When to book
FAQs & Tips
Airlines

Find cheap flights from San Francisco to Ontario from $92

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from San Francisco to Ontario departing on 6/11. 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
Sat 6/29
Sat 7/6

Search hundreds of travel sites at once for deals on flights to Ontario

In the last 7 days travelers have searched 42,686,544 times on KAYAK, and here is why:

Save 21% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Bundle and saveSave money when you bundle your flight + hotel.

Best Ontario Flight Deals

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

Toronto
Toronto1 stop$233
Ottawa
Ottawa1 stop$452
Thunder Bay
Thunder Bay2 stops$1,083
London
London2 stops$545
Sudbury
Sudbury1 stop$1,151

Good to know

Low season

January

High season

June

Cheapest flight

$92
Best time to beat the crowds with an average 19% drop in price.
Most popular time to fly with an average 14% increase in price.
Flight from San Francisco to Toronto Pearson Airport

FAQs - booking Ontario flights

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

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ontario from San Francisco 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 San Francisco 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 San Francisco with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from San Francisco 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 San Francisco 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 3% cheaper 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 San Francisco to Ontario

 
Need help choosing which airline to fly with from San Francisco 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.
8.3
EVA AirOverall score based on 1500 reviews
8.4Boarding
8.0Entertainment
8.6Crew
7.9Food
8.2Comfort
Airline reviews

Their announcement was not quite clear in Chinese. The rest is pretty good.

8.0 ExcellentYue, May 2024IAH - TPE
Read more about EVA Air reviews

Their announcement was not quite clear in Chinese. The rest is pretty good.

The hygiene of the bathrooms were terrible. Urine smells leaked out into the cabin and the seats were really tight, even for a petite woman like myself. Flight attendants did not go through the cabin enough to offer refreshments.

Fast and efficient boarding. Flight was on time. Service was very good for our long flight. First time flying with this airline and I would highly recommend.

Eva Air's Business Class is pretty decent. With the given price, I think that the food can be better.

Pleasant, comfortable, and entertaining. All told, ZERO issues with it. And sadly, so far the flight was WAY more comfortable than the hellhole that is "Lambug Beach Resort" at Badian Beach!

It was a pleasant fly with Eva Air from NYC to Taipei. The crew were friendly and the food was exceeded my expectation.

Eva air is a good airline. The seats on the way to Taipei could have certainly been more comfortable, but all in all it was a pretty good experience.

Overall the flight was what might be expected for a long haul flight to Asia in economy class. The cabin crew was attentive and the food was good. Boarding was fairly fast and easy. The one thing I found frustrating was the EVA app. It is terrible. Trying to do anything on it was almost impossible.

EVA would not help with ticket issue since they were purchased through a travel agency. Even though it was EVA ticket stock. Travel agency Budget Air didn't reissue ticket after airline change which I didn’t learn until trying to checkin on Christmas Day and there was no contact number for the agency to help. I will never use Budget Air to purchase flight again and disappointed in EVA’s refusal to help. Thankfully just under 12 hrs before departure someone from the agency was available to reissue tickets. I was starting to think we would not be flying and the stress trying to resolve was completely unacceptable.

seamless check in/ friendly staff, food is good, always love flying Eva Air

Very good , the weather was terrible, but i admired the professionality and politeness and care from the crew, and the excellent contition of the plane

My flight to Los Angeles was canceled Had to book another flight and you charged me extra $500 Very bad experience

Decent flight, staff was very good, especially with the turbulence during the flight due to weather. Comfort was about par with other airlines but since it was a quick flight, was not much of an issue for us.

The plane was uncomfortable. I paid extra for more legroom but the seat was still uncomfortable. Other seats on the same exact row didn’t have to pay extra but still have extra legroom. I didn’t understand why I needed to pay $170 for. It was Iike China airline just wants to make money off their passengers. It was unfair.

Liked that I could pick my seat and have a special meal without an extra charge. Luggage is reasonable for overseas trip. What could have been better is boarding and leaving on time.

They were helpful, considerate with asking us for standby preboarding with our infant, gave us toys and excellent service onboard. They were always on time, even early boarding once! All our luggage arrived intact, and they even brought our baby car seat to oversized for us. We love China Airlines!

Staff is friendly, great variety of entertainment, check in a little messy but due to people not listening. Overall a pleasant experience. Would use again in the future.

It felt like a new plane. Decent leg room in economy, food was fine, and the plane didn’t feel super dry and uncomfortable.

Better training to have qualified crews and services. My flight was from around 12 midnight Friday Taipei to Vancouver. After two hours first meal (2:00 Am -8:00 ) no crew available for even asking for some water. I was even willing to pay for water. For breakfast after 8 hours the only drink was tea and coffee no water or juice.

3 of the 4 flights had delays despite the weather being fine, but still managed to make all connections

Great, the flight attendants were very friendly and the food was also good.

The overall flight went well and the aircrew was pleasant.

Cathay Pacific seems to be an airline in trouble and on its way out. Lots of broken or poorly functioning things like entertainment screens, seats, and enough well trained staff to handle a full flight. Sad...

The flight crew was exceptionally good. Personal needs were well met. The food choices were very nice.

Excellent. Planes are a little older and could get some refurbishment, but besides that everything was excellent.

While I was in great pain, the seat was sufficiently comfortable to allow me to rest and not be in so much pain.

we were upgraded which was a blessing and tender mercy for us. I fell the day before and was in extreme pain from knee to shoulder. Sitting in a more comfortable seat during the flight was an unexpected blessing and experience.

My seat was sold off to someone else. Had to wait 9 hours to catch the next filght. Definitely will never use Cathay Pacific again. Bad, very bad airline. will comment on google reviews too.

Very poor check-in experience, and flight meal service was very disappointing with no drinks service or hot meal.

Seats were very comfortable. Crew were excellent. Food very good.

Aisle chair was good and liked the foot bar preventing you from putting your foot in the isle, The breakfast on this international flight to Zurich was horrible (Europeans, specially, used to good food) may make this a dealbreaker for booking with United Airlines again. I agreed with my Spanish fellow passenger.

On time take off…US cabins look tired and need of refresh!

Backpack should NOT allowed put in the flight bin , only put it under the seat. I can't find space put my carry on luggage!!! and I pay for it ! that was very bad experience

Hated every minute of it. This flight should have only taken 1.5hrs but was delayed over 10hours. Now I am being told I cannot be compensated or refunded my ticket price or extra leg room, which I purchased but did not receive, because the airline is throwing the blame on the 3rd party I purchased tickets through and 3rd party putting the blame on airline. No one wants to help. They received their money and that's all they care about. Im going on 3 days of still trying to get to my final destination, had to cancel car rental, car insurance and hotel. Currently staying in airport until hotels open up. Thank you Lufthansa, Kayak, Underpricer and United for making this trip the worst ever.

Crew was great and did their best to make us comfortable and captain came out at the beginning to announce why the flight was delayed, weather situation up ahead, and kept us updated throughout the flight.

United WiFi is consistently unusable (it can take 10 mins to load a single web page). If you need Wifi to do work, be prepared to lose half a day of productivity.

Awful. I got stuck next to a person carrying a dog and behind someone with a dog. People need to board these dogs downstairs. The cabin is crowded enough with your pets

Packed in like sardines, very uncomfortable. Sitting the aisle my shoulder was rammed into numerous times by rushing flight attendants. Also flight was very cold.

Beverage and food services are excellent. We enjoy paying the extra for economy plus for the 3 inches more leg room to be exact.

Flight was delayed by 3 hours. The pilot made up 1 hour during the flight, but that made the wait at the airport 5 hours once you factor getting there 2 hours early.

Flight was 1/2 hour delayed leaving Phoenix. Otherwise it was an average flight. Flight crew on this trip was very nice.

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.

Not sure why JAL partnered with American Airlines because their service is no where near similar. Flight attendants were not friendly and didn’t smile. Food was horrible…

The experience was great and much better than the flight going out. of course I was in first class but the service was excellent

Comfort of seats, ease of boarding. Food selection could be better

Food options were limited which is absolutely embarrassing for a Flight of this size The staff did not come around as much and I am not accustomed to such poor service from American Airlines Drinks I believe were limited to soda and water

Crew were attentive and friendly. Flight was smooth and early! I enjoyed the less crowded plane. Thank you!

We are gluten free, there were not any available complimentary gluten free options.

No meal on a cross country flight? SFO-MiA is pretty much the definition of a coast to coast flight. No meal provided. Sky high wi-fi rates too. Stop nickel and diming your customers.

The staff was unprofessional and didn’t communicate very well. The boarding process was very disheveled, potentially due to a power outage the previous day but there was no contingency plan to properly get passengers boarded the following day. Once boarded the aircraft stayed on the tarmac for over 45 minutes due to high winds. The communication was sporadic but an announcement was finally made an additional 30 minutes later that the flight was cancelled but we couldn’t get off the plane. Prior to deplaning one of the gate agents came on the plane and made an announcement for everyone to pickup their checked bags and take a card to rebook a new reservation because they didn’t have adequate staff. Flights were missed, passengers went to different airports and there was little to no assistance from AA.

Book cheap flights from San Francisco to Ontario

Recent round-trip flight deals

6/11Tue
1 stop
15h 13mSFO-YYZ
6/18Tue
1 stop
15h 11mYYZ-SFO
$233
6/11Tue
1 stop
15h 13mSFO-YYZ
6/18Tue
1 stop
12h 26mYYZ-SFO
$245
7/15Mon
1 stopSun Country Air
9h 36mSFO-YUL
7/19Fri
1 stopSun Country Air
8h 40mYUL-SFO
$444
8/1Thu
1 stopSun Country Air
13h 45mSFO-YUL
8/5Mon
1 stopSun Country Air
27h 25mYUL-SFO
$450
6/10Mon
2 stopsAmerican Airlines
10h 56mSFO-YUL
6/18Tue
2 stopsAmerican Airlines
12h 53mYUL-SFO
$528
9/7Sat
2 stopsAmerican Airlines
13h 28mSFO-YUL
9/20Fri
1 stopAmerican Airlines
9h 29mYUL-SFO
$532
7/8Mon
1 stopAir Canada
8h 10mSFO-YXU
7/12Fri
1 stopAir Canada
8h 01mYXU-SFO
$558
8/6Tue
1 stopUnited Airlines
14h 19mSFO-YOW
8/13Tue
1 stopUnited Airlines
8h 21mYOW-SFO
$560
7/12Fri
1 stopAir Canada
7h 24mSFO-YOW
7/24Wed
1 stopAir Canada
8h 51mYOW-SFO
$563
7/21Sun
1 stopUnited Airlines
13h 52mSFO-YOW
7/27Sat
2 stopsUnited Airlines
15h 54mYOW-SFO
$587

Search by stops

Search by airline

Search by price

Recent one-way flight deals

6/11Tue
1 stop
16h 57mSFO-YYZ
$92
9/26Thu
1 stop
9h 17mSFO-YYZ
$99
8/9Fri
2 stopsDelta
13h 40mSFO-YYZ
$177
8/5Mon
1 stopAmerican Airlines
8h 50mSFO-YUL
$222
7/5Fri
2 stopsAmerican Airlines
12h 43mSFO-YUL
$227
6/30Sun
nonstopAir Canada
4h 51mSFO-YYZ
$240
6/23Sun
1 stopAir Canada
8h 52mSFO-YYZ
$245
6/18Tue
1 stopDelta
8h 31mSFO-YYZ
$250
6/5Wed
1 stopUnited Airlines
13h 28mSFO-YOW
$267
6/30Sun
nonstopUnited Airlines
4h 59mSFO-YYZ
$279

Search by stops

Search by airline

Search by price

Last minute flights from San Francisco to Ontario

Last minute flight, train and bus deals

6/4Tue
multi-stop
8h 33mSFO-YYZ
6/19Wed
multi-stop
11h 41mYYZ-SFO
$315
6/4Tue
multi-stop
15h 35mSFO-YYZ
6/11Tue
multi-stop
19h 17mYYZ-SFO
$326
6/4Tue
multi-stopDelta
7h 59mSFO-YYZ
6/21Fri
multi-stopDelta
6h 58mYYZ-SFO
$597
6/3Mon
multi-stopDelta
11h 44mSFO-YYZ
6/5Wed
multi-stopDelta
23h 10mYYZ-SFO
$609
6/4Tue
multi-stopUnited Airlines
18h 18mSFO-YOW
6/10Mon
multi-stopUnited Airlines
18h 21mYOW-SFO
$617
6/4Tue
multi-stopUnited Airlines
18h 18mSFO-YOW
6/10Mon
multi-stopUnited Airlines
14h 29mYOW-SFO
$622
6/1Sat
multi-stopAmerican Airlines
12h 15mSFO-YUL
6/11Tue
multi-stopAmerican Airlines
16h 27mYUL-SFO
$734
6/3Mon
multi-stopAmerican Airlines
12h 35mSFO-YUL
6/7Fri
multi-stopAmerican Airlines
16h 27mYUL-SFO
$852
6/4Tue
multi-stopAir Canada
8h 34mSFO-YTZ
6/7Fri
multi-stopAir Canada
8h 57mYTZ-SFO
$1,023
6/3Mon
multi-stopAir Canada
8h 34mSFO-YTZ
6/10Mon
multi-stopAir Canada
8h 57mYTZ-SFO
$1,025

Search by stops

Search by airline

Search by price