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Cheap flights from San Francisco Bay Area to Ontario from C$ 182

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 15/7. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — YYZ
30 abr. — 7 may.1
1 adult

Cheap flight deals from San Francisco Bay Area to Ontario

Keep the following information in mind while searching for San Francisco Bay Area to Ontario flight deals. Data was last updated 25 abril 2025.

Round-trip from

C$ 344

One-way from

C$ 182

Popular in

December

Cheapest in

February

Average price

C$ 544
28/5-2/6
  • 28/5-2/6
  • 3 total stops
  • 41h 08m total
  • San Francisco Bay Area to Ontario
WestJet
  • WestJet
  • 15/7
  • 1 total stop
  • 8h 51m total
  • San Francisco Bay Area to Ontario
Highest demand for flights based on searches. 8% potential increase in price (C$ 80 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease (C$ 30 potential savings vs. average RT price).
Average for round-trip flights in April 2025

Find flight deals from San Francisco Bay Area to Ontario

Cheapest flights from San Francisco Bay Area to Ontario
Explore the most affordable flight options available from San Francisco Bay Area to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 abril 2025.

mié. 28/56:00 a.m.SJC - YYZ
1 stop8h 20mMultiple Airlines
lun. 2/69:45 a.m.YYZ - SJC
2 stops32h 48mMultiple Airlines
Deal found 25/4C$ 344
mar. 20/56:35 a.m.SFO - YYZ
2 stops14h 51mMultiple Airlines
mié. 4/69:45 a.m.YYZ - SFO
1 stop29h 34mMultiple Airlines
Deal found 24/4C$ 349
jue. 31/77:30 a.m.SFO - YKF
1 stop8h 26mWestJet
vie. 8/86:00 a.m.YKF - SFO
2 stops10h 59mWestJet
Deal found 25/4C$ 352
dom. 6/77:30 a.m.SFO - YYZ
2 stops14h 03mWestJet
mar. 19/811:00 a.m.YYZ - SFO
1 stop9h 15mWestJet
Deal found 24/4C$ 374
mié. 21/512:50 p.m.SFO - YHM
1 stop8h 51mWestJet
mar. 27/56:00 a.m.YHM - SFO
1 stop9h 05mWestJet
Deal found 25/4C$ 408
mié. 11/66:00 a.m.SFO - YOW
1 stop10h 55mMultiple Airlines
dom. 15/66:00 a.m.YOW - SFO
1 stop9h 05mMultiple Airlines
Deal found 25/4C$ 419
mar. 3/610:15 a.m.SFO - YHM
1 stop30h 44mMultiple Airlines
mar. 10/66:00 a.m.YHM - SFO
2 stops10h 59mMultiple Airlines
Deal found 25/4C$ 424
vie. 23/55:45 a.m.OAK - YYZ
2 stops22h 09mMultiple Airlines
vie. 30/58:05 p.m.YYZ - OAK
1 stop17h 51mMultiple Airlines
Deal found 25/4C$ 426
mar. 20/512:50 p.m.SFO - YOW
2 stops13h 35mWestJet
sáb. 24/56:00 a.m.YOW - SFO
1 stop9h 05mWestJet
Deal found 25/4C$ 428
sáb. 17/512:50 p.m.SFO - YUL
1 stop8h 53mWestJet
sáb. 31/56:45 a.m.YUL - SFO
2 stops13h 30mWestJet
Deal found 25/4C$ 437
mié. 28/510:15 a.m.SFO - YKF
2 stops16h 15mFlair Airlines
lun. 2/68:25 p.m.YKF - SFO
1 stop16h 05mFlair Airlines
Deal found 25/4C$ 440
mar. 10/612:50 p.m.SFO - YUL
1 stop8h 53mMultiple Airlines
mié. 18/66:45 a.m.YUL - SFO
1 stop8h 45mMultiple Airlines
Deal found 25/4C$ 453

Cheapflights Fare Finder

Customize your flight search to find flights from San Francisco Bay Area to Ontario 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 25 abril 2025.
Use the filters below to find and compare flights from San Francisco Bay Area to Ontario that are best for you.

Fly from

San Francisco Bay Area

Fly to

Ontario

Route

Depart

Return

Price

San JoseToronto

SJC - YYZ

SJCYYZ

San Jose

mié. 28/5

6:00 a.m.-5:20 p.m.

1 stop8h 20m

Toronto Pearson Intl

lun. 2/6

9:45 a.m.-3:33 p.m.

2 stops32h 48m

C$ 344

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

mar. 20/5

6:35 a.m.-12:26 a.m.

2 stops14h 51m

Toronto Pearson Intl

mié. 4/6

9:45 a.m.-12:19 p.m.

1 stop29h 34m

C$ 349

San FranciscoToronto

SFO - YKF

SFOYKF

San Francisco

jue. 31/7

7:30 a.m.-6:56 p.m.

1 stop8h 26m

Toronto Region of Waterloo Intl

vie. 8/8

6:00 a.m.-1:59 p.m.

2 stops10h 59m

C$ 352

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

dom. 6/7

7:30 a.m.-12:33 a.m.

2 stops14h 03m

Toronto Pearson Intl

mar. 19/8

11:00 a.m.-5:15 p.m.

1 stop9h 15m

C$ 374

San FranciscoHamilton

SFO - YHM

SFOYHM

San Francisco

mié. 21/5

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

1 stop8h 51m

Hamilton

mar. 27/5

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

1 stop9h 05m

C$ 408

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

mié. 11/6

6:00 a.m.-7:55 p.m.

1 stop10h 55m

Ottawa

dom. 15/6

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

1 stop9h 05m

C$ 419

San FranciscoHamilton

SFO - YHM

SFOYHM

San Francisco

mar. 3/6

10:15 a.m.-7:59 p.m.

1 stop30h 44m

Hamilton

mar. 10/6

6:00 a.m.-1:59 p.m.

2 stops10h 59m

C$ 424

OaklandToronto

OAK - YYZ

OAKYYZ

Oakland

vie. 23/5

5:45 a.m.-6:54 a.m.

2 stops22h 09m

Toronto Pearson Intl

vie. 30/5

8:05 p.m.-10:56 a.m.

1 stop17h 51m

C$ 426

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

mar. 20/5

12:50 p.m.-5:25 a.m.

2 stops13h 35m

Ottawa

sáb. 24/5

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

1 stop9h 05m

C$ 428

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

sáb. 17/5

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

1 stop8h 53m

Montreal Pierre Elliott Trudeau Intl

sáb. 31/5

6:45 a.m.-5:15 p.m.

2 stops13h 30m

C$ 437

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/4

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

Have a flexible travel schedule? Discover the best time to fly to Ontario from San Francisco Bay Area 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.

Cheapflights Insights

Everything you need to know about your flight from San Francisco Bay Area to Ontario

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

Currently, January is the cheapest month in which you can book a flight from San Francisco Bay Area to Region of Ontario (average of C$ 167). Flying from San Francisco Bay Area to Region of Ontario in July is currently the most expensive (average of C$ 258). 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 XIH to ON?

Find hourly flight availability from San Francisco Bay Area to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 25 abril 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Francisco Bay Area to Region of Ontario as you normally would.

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

Explore weekly flight availability from San Francisco Bay Area to Ontario. 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 25 abril 2025.

The most flights from zzXIH to CAON are scheduled on a Monday (23 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (12 on average).

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Region of Ontario ranges from 51.0 - 83.0 mm per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Region of Ontario when rainfall is around 51.0 mm.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Region of Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated 25 abril 2025.
Get a feel of what it's like to fly with Delta, Alaska Airlines and Porter Airlines from San Francisco Bay Area to Ontario by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from San Francisco Bay Area to Ontario. 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 San Francisco Bay Area to Region of Ontario one-way?

    C$ 182 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Delta and Flair Airlines, with prices starting from C$ 198 and C$ 230, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Francisco Bay Area to Ontario 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 San Francisco Bay Area to Region of Ontario?

    Currently, January is the cheapest month in which you can book a flight from San Francisco Bay Area to Region of Ontario (average of C$ 167). Flying from San Francisco Bay Area to Region of Ontario in July is currently the most expensive (average of C$ 258). 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 San Francisco Bay Area to Ontario

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from San Francisco Bay Area to Ontario

Discover the top 5 airlines that operate flights from San Francisco Bay Area to Ontario. 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 25 abril 2025.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapestC$ 298AverageC$ 558FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Air CanadaCheapestC$ 298AverageC$ 764FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 316AverageC$ 827FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 322AverageC$ 531FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Porter AirlinesCheapestC$ 391AverageC$ 656FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights

Fly with Cheapflights

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from San Francisco Bay Area to Ontario. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Ontario from San Francisco Bay Area.

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

Certainly. Search results for flights to Ontario from San Francisco Bay Area shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

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