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Cheap flights from Ontario to San Francisco Bay Area from C$ 202

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SFO
31 Dec — 7 Jan1
1 adult

Cheap flight deals from Ontario to San Francisco Bay Area

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (CAON) to San Francisco Bay Area (zzXIH). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 26 December 2024.

Round-trip from

C$ 311

One-way from

C$ 225
22/1-29/1
  • 22/1-29/1
  • 2 total stops
  • 22h 03m total
  • Ontario to San Francisco Bay Area
Search Deals
Porter Airlines
  • Porter Airlines
  • 5/2
  • 1 total stop
  • 9h 19m total
  • Ontario to San Francisco Bay Area
Search Deals

Find flight deals from Ontario to San Francisco Bay Area

Cheapest flights from Ontario to San Francisco Bay Area
Explore the most affordable flight options available from Ontario to San Francisco Bay Area. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 December 2024.

Sun 29/1210:05 a.m.YYZ - SJC
2 stops14h 02mDelta
Sun 5/110:51 p.m.SJC - YYZ
2 stops14h 20mDelta
Deal found 25/12C$ 571
Tue 31/127:00 a.m.YYZ - SFO
2 stops27h 59mMultiple Airlines
Sun 12/13:05 p.m.SFO - YYZ
1 stop12h 41mMultiple Airlines
Deal found 25/12C$ 580
Wed 25/1210:40 p.m.YYZ - SJC
2 stops22h 04mWestJet
Sat 28/1212:10 p.m.SJC - YYZ
2 stops15h 05mWestJet
Deal found 25/12C$ 587
Wed 25/125:14 p.m.YYZ - SJC
1 stop20h 42mAmerican Airlines
Sun 29/126:10 a.m.SJC - YYZ
1 stop13h 29mAmerican Airlines
Deal found 25/12C$ 588
Thu 26/126:52 a.m.YYZ - SJC
1 stop18h 57mUnited Airlines
Wed 1/18:30 a.m.SJC - YYZ
1 stop11h 22mUnited Airlines
Deal found 25/12C$ 683
Wed 25/125:14 p.m.YYZ - SJC
1 stop23h 15mAlaska Airlines
Sat 28/126:10 a.m.SJC - YYZ
1 stop13h 29mAlaska Airlines
Deal found 25/12C$ 762
Tue 31/126:30 p.m.YUL - SFO
2 stops22h 26mMultiple Airlines
Wed 8/13:18 p.m.SFO - YUL
1 stop22h 17mMultiple Airlines
Deal found 25/12C$ 763
Sat 28/1210:40 p.m.YYZ - SJC
2 stops22h 04mMultiple Airlines
Wed 1/16:10 a.m.SJC - YYZ
1 stop13h 29mMultiple Airlines
Deal found 25/12C$ 772
Wed 25/128:35 a.m.YYZ - SJC
1 stop9h 33mAir Canada
Thu 2/18:30 a.m.SJC - YYZ
1 stop11h 22mAir Canada
Deal found 24/12C$ 783
Wed 25/125:35 p.m.YUL - SJC
2 stops31h 23mAmerican Airlines
Sun 29/126:00 a.m.SJC - YUL
2 stops13h 50mAmerican Airlines
Deal found 25/12C$ 795
Sun 29/129:45 a.m.YYZ - SFO
Nonstop5h 54mPorter Airlines
Sun 12/11:40 p.m.SFO - YYZ
Nonstop5h 02mPorter Airlines
Deal found 26/12C$ 824
Mon 30/126:00 p.m.YYZ - SFO
Nonstop5h 57mAir Canada
Thu 23/14:25 p.m.SFO - YYZ
Nonstop4h 52mAir Canada
Deal found 25/12C$ 901

Find flights from Ontario to San Francisco Bay Area within your budget

Customize your flight search to find flights from Ontario to San Francisco Bay Area that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 26 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

Wed 22/1

11:25 a.m.-7:25 p.m.

1 stop11h 00m

Oakland

Wed 29/1

7:42 a.m.-9:45 p.m.

1 stop11h 03m

C$ 311

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Fri 31/1

6:45 a.m.-12:39 p.m.

1 stop8h 54m

San Francisco

Mon 3/2

1:40 p.m.-12:30 a.m.

1 stop7h 50m

C$ 370

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Tue 6/5

6:00 a.m.-12:05 p.m.

1 stop9h 05m

San Francisco

Mon 12/5

12:50 p.m.-12:41 a.m.

1 stop8h 51m

C$ 372

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Thu 16/1

5:35 p.m.-7:16 a.m.

1 stop16h 41m

San Francisco

Wed 22/1

10:54 a.m.-12:30 a.m.

2 stops10h 36m

C$ 379

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Wed 23/4

6:45 a.m.-1:06 p.m.

2 stops33h 21m

San Francisco

Wed 30/4

12:50 p.m.-12:43 a.m.

1 stop8h 53m

C$ 383

MontrealSan Jose

YUL - SJC

YULSJC

Montreal Pierre Elliott Trudeau Intl

Thu 16/1

5:35 p.m.-7:33 a.m.

2 stops16h 58m

San Jose

Wed 22/1

11:36 a.m.-4:35 p.m.

1 stop25h 59m

C$ 395

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Sat 18/1

6:30 a.m.-7:07 p.m.

2 stops15h 37m

San Jose

Mon 10/3

1:00 p.m.-6:43 a.m.

1 stop14h 43m

C$ 413

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Sat 18/1

2:10 p.m.-9:42 p.m.

1 stop10h 32m

San Francisco

Sat 1/2

4:35 p.m.-4:57 a.m.

1 stop9h 22m

C$ 415

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Tue 4/3

9:00 a.m.-5:59 p.m.

2 stops11h 59m

San Jose

Tue 18/3

8:30 a.m.-10:52 p.m.

1 stop11h 22m

C$ 415

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Tue 14/1

7:45 a.m.-9:10 p.m.

2 stops16h 25m

San Jose

Mon 10/3

6:15 a.m.-8:04 p.m.

1 stop10h 49m

C$ 418

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/12

Showing 1-10 of 60 results
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Best time to book a flight from Ontario to San Francisco Bay Area

Have a flexible travel schedule? Discover the best time to fly to San Francisco Bay Area from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Ontario to San Francisco Bay Area

Get recent, data-driven insights about flights from Ontario to San Francisco Bay Area including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Region of Ontario to San Francisco Bay Area?

Currently, January is the cheapest month in which you can book a flight from Region of Ontario to San Francisco Bay Area (average of C$ 276). Flying from Region of Ontario to San Francisco Bay Area in June is currently the most expensive (average of C$ 379). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ON to XIH?

Find hourly flight availability from Ontario to San Francisco Bay Area. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 26 December 2024.

When flying from Region of Ontario to San Francisco Bay Area, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Region of Ontario to San Francisco Bay Area

Explore weekly flight availability from Ontario to San Francisco Bay Area. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 26 December 2024.

The most flights from CAON to zzXIH are scheduled on a Monday (20 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (13 on average).

Rainfall in San Francisco Bay Area by month

Plan your trip to San Francisco Bay Area by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Francisco Bay Area ranges from 0.0 - 112.0 mm per month. January is typically the wettest month, when rainfall can reach 112.0 mm. July is typically the driest time to visit San Francisco Bay Area when rainfall is around 0.0 mm.

Temperature in San Francisco Bay Area by month

Plan your trip to San Francisco Bay Area by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Francisco Bay Area, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

Reviews of airlines servicing San Francisco Bay Area

Get insights into the airlines that provide service to San Francisco Bay Area. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Francisco Bay Area. Reviews last updated 26 December 2024.
See what other customers who have flown with Air Canada, WestJet and Porter Airlines from Ontario to San Francisco Bay Area have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,552 reviews
Check prices

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.2

Crew

8.5

Entertainment

7.1

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

Alaska Airlines
8.0
Very good
9,552 reviews
Alaska Airlines
8.0
Very good
9,552 reviews
Check prices

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.2

Crew

8.5

Entertainment

7.1

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

Delta
8.0
Very good
8,570 reviews
Alaska Airlines
8.0
Very good
9,552 reviews
Check prices

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.2

Crew

8.5

Entertainment

7.1

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

Porter Airlines
7.8
Good
282 reviews
Alaska Airlines
8.0
Very good
9,552 reviews
Check prices

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.2

Crew

8.5

Entertainment

7.1

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

Air Transat
7.8
Good
387 reviews
Alaska Airlines
8.0
Very good
9,552 reviews
Check prices

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.2

Crew

8.5

Entertainment

7.1

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

SWISS
7.6
Good
1,601 reviews
Alaska Airlines
8.0
Very good
9,552 reviews
Check prices

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.2

Crew

8.5

Entertainment

7.1

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

Related info for your journey

Find useful and relevant information for your journey from Ontario to San Francisco Bay Area. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Region of Ontario to San Francisco Bay Area one-way?

    C$ 225 is the cheapest one-way deal found within the past few days, from Porter Airlines. You may also be able to find cheap deals on Delta and United Airlines, with prices starting from C$ 245 and C$ 248, respectively.

  • Can I find deals for flights from Ontario to San Francisco Bay Area that include hotel bookings?

    Yes. In addition to deals on Ontario to San Francisco Bay Area flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to San Francisco Bay Area?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to San Francisco Bay Area.

  • Can I find deals for business class flights from Ontario to San Francisco Bay Area?

    Yes. Cheapflights offers flight deals from Ontario to San Francisco Bay Area by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Region of Ontario to San Francisco Bay Area?

    Currently, January is the cheapest month in which you can book a flight from Region of Ontario to San Francisco Bay Area (average of C$ 276). Flying from Region of Ontario to San Francisco Bay Area in June is currently the most expensive (average of C$ 379). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Ontario to San Francisco Bay Area

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Ontario to San Francisco Bay Area

Discover the top 10 airlines that operate flights from Ontario to San Francisco Bay Area. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 26 December 2024.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 244AverageC$ 681FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Lynx AirCheapestC$ 269AverageC$ 345FlexibilityNo cancel feeOn-timeN/A
Search Lynx Air flights
American AirlinesCheapestC$ 310AverageC$ 593FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapestC$ 350AverageC$ 548FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
WestJetCheapestC$ 363AverageC$ 626FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 369AverageC$ 672FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 377AverageC$ 801FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Alaska AirlinesCheapestC$ 408AverageC$ 775FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Air TransatCheapestC$ 499AverageC$ 533FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
WestJet EncoreCheapestC$ 671AverageC$ 801FlexibilityNo cancel feeOn-timeN/A
Search WestJet Encore flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario to San Francisco Bay Area?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to San Francisco Bay Area from Ontario today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Ontario to San Francisco Bay Area?

Cheapflights simply makes it quick and affordable to book flights from Ontario to San Francisco Bay Area by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Ontario to San Francisco Bay Area with no change fees?

Need flexible booking options for your flight to San Francisco Bay Area from Ontario? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Ontario to San Francisco Bay Area become cheaper?

Yes! Start tracking prices for Ontario to San Francisco Bay Area flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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