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Cheap flights from Ontario to San Francisco Bay Area from C$ 181

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 30/1. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SFO
5 Nov — 12 Nov1
1 adult

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 31 October 2024.

Thu 21/116:45 a.m.YUL - SFO
1 stop8h 39mPorter Airlines
Sat 30/111:30 p.m.SFO - YUL
1 stop8h 00mPorter Airlines
Deal found 30/10C$ 384
Sun 8/122:00 p.m.YYZ - SJC
2 stops20h 46mMultiple Airlines
Tue 10/121:23 p.m.SJC - YYZ
1 stop13h 19mMultiple Airlines
Deal found 30/10C$ 384
Wed 4/122:35 p.m.YUL - SFO
2 stops19h 39mMultiple Airlines
Wed 11/123:18 p.m.SFO - YUL
1 stop22h 17mMultiple Airlines
Deal found 31/10C$ 394
Tue 3/125:35 p.m.YUL - SJC
1 stop17h 11mMultiple Airlines
Tue 10/121:23 p.m.SJC - YUL
2 stops16h 35mMultiple Airlines
Deal found 31/10C$ 394
Thu 5/124:20 p.m.YYZ - SJC
1 stop9h 39mAlaska Airlines
Sun 8/126:15 a.m.SJC - YYZ
1 stop29h 40mAlaska Airlines
Deal found 30/10C$ 397
Sat 9/118:35 a.m.YYZ - SJC
1 stop12h 15mUnited Airlines
Sat 16/116:30 a.m.SJC - YYZ
1 stop9h 11mUnited Airlines
Deal found 30/10C$ 401
Thu 5/126:25 a.m.YOW - SFO
1 stop8h 59mPorter Airlines
Mon 9/121:30 p.m.SFO - YOW
1 stop8h 12mPorter Airlines
Deal found 30/10C$ 402
Mon 16/125:00 p.m.YOW - SFO
1 stop9h 08mUnited Airlines
Tue 7/17:05 p.m.SFO - YOW
2 stops16h 24mUnited Airlines
Deal found 31/10C$ 408
Sun 24/114:00 p.m.YOW - SFO
1 stop9h 22mAir Canada
Mon 9/1210:45 p.m.SFO - YOW
1 stop8h 52mAir Canada
Deal found 30/10C$ 409
Tue 19/1112:21 p.m.YYZ - SJC
2 stops13h 02mDelta
Fri 29/1110:10 a.m.SJC - YYZ
2 stops9h 26mDelta
Deal found 30/10C$ 416
Mon 9/127:00 a.m.YUL - SJC
2 stops15h 30mDelta
Thu 12/126:15 a.m.SJC - YUL
2 stops14h 40mDelta
Deal found 30/10C$ 424
Wed 18/126:15 a.m.YYZ - SJC
2 stops17h 59mAmerican Airlines
Tue 31/129:53 a.m.SJC - YYZ
2 stops23h 00mAmerican Airlines
Deal found 29/10C$ 427

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 527,020 searches. Data last updated 31 October 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Fri 10/1

6:25 a.m.-12:24 p.m.

1 stop8h 59m

C$ 211

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

Mon 2/12

8:00 p.m.-9:04 a.m.

1 stop16h 04m

C$ 211

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Fri 10/1

6:20 a.m.-5:50 p.m.

2 stops14h 30m

C$ 237

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Sat 23/11

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

1 stop10h 32m

C$ 238

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Sun 10/11

6:15 a.m.-11:20 a.m.

1 stop8h 05m

C$ 238

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Thu 30/1

6:05 p.m.-1:05 p.m.

1 stop22h 00m

C$ 242

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Wed 6/11

9:35 a.m.-12:24 p.m.

Nonstop5h 49m

C$ 284

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Tue 28/1

4:20 p.m.-8:07 p.m.

1 stop30h 47m

C$ 287

MontrealSan Jose

YUL - SJC

YULSJC

Montreal Pierre Elliott Trudeau Intl

Tue 14/1

7:30 a.m.-6:51 p.m.

2 stops14h 21m

C$ 310

MontrealSan Jose

YUL - SJC

YULSJC

Montreal Pierre Elliott Trudeau Intl

Tue 3/12

5:35 p.m.-7:46 a.m.

1 stop17h 11m

C$ 217

Flights are sorted by cheapest first

Deals found on 30/10

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$ 380). 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 31 October 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.

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 31 October 2024.
See what other customers who have flown with Porter Airlines, Air Canada and WestJet 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
9,420 reviews
Check prices

Boarding

8.2

Food

7.2

Overall

8.0

Entertainment

7.1

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Alaska Airlines
8.0
Very good
9,420 reviews
Alaska Airlines
8.0
Very good
9,420 reviews
Check prices

Boarding

8.2

Food

7.2

Overall

8.0

Entertainment

7.1

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Delta
8.0
Very good
8,835 reviews
Alaska Airlines
8.0
Very good
9,420 reviews
Check prices

Boarding

8.2

Food

7.2

Overall

8.0

Entertainment

7.1

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

KLM
7.8
Good
1,352 reviews
Alaska Airlines
8.0
Very good
9,420 reviews
Check prices

Boarding

8.2

Food

7.2

Overall

8.0

Entertainment

7.1

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Porter Airlines
7.8
Good
294 reviews
Alaska Airlines
8.0
Very good
9,420 reviews
Check prices

Boarding

8.2

Food

7.2

Overall

8.0

Entertainment

7.1

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Air Transat
7.8
Good
387 reviews
Alaska Airlines
8.0
Very good
9,420 reviews
Check prices

Boarding

8.2

Food

7.2

Overall

8.0

Entertainment

7.1

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

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$ 181 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Porter Airlines and United Airlines, with prices starting from C$ 211 and C$ 237, 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$ 380). 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

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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 527,020 searches. Data last updated 31 October 2024.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 237AverageC$ 667FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Lynx AirCheapestC$ 261AverageC$ 335FlexibilityNo cancel feeOn-timeN/A
Search Lynx Air flights
DeltaCheapestC$ 296AverageC$ 563FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapestC$ 300AverageC$ 588FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
WestJetCheapestC$ 355AverageC$ 615FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 359AverageC$ 652FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 367AverageC$ 780FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air TransatCheapestC$ 369AverageC$ 519FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Alaska AirlinesCheapestC$ 436AverageC$ 795FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
WestJet EncoreCheapestC$ 648AverageC$ 776FlexibilityNo cancel feeOn-timeN/A
Search WestJet Encore flights

Fly with Cheapflights

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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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