HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Toronto

$143+ Cheap flights from Fremont, CA to Toronto (YTO)

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 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — YTO
Dec 1 — Dec 81
Mon 12/1
Mon 12/8
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Fremont to Toronto with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Fremont to Toronto are usually found in April or March, booked 10 days in advance, depart on a Wednesday or Tuesday and return on a Friday

Cheap flight deals from Fremont to Toronto

Keep the following information in mind while searching for Fremont to Toronto flight deals. Data was last updated November 1, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$268
(Mytrip)

One-way from

$143
(Kiwi.com)

Popular in

December

Cheapest in

April

Average price

$440
Provider with most accurate pricing for San Francisco-Toronto (YTO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Toronto (YTO) flights.
Search Deals
From Fremont to Toronto (YTO)
Search Deals
One-way flight from Fremont to Toronto (YTO)
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($46 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find flight deals from Fremont to Toronto

Cheapest flights from Fremont to Toronto
Explore the most affordable flight options available from Fremont to Toronto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 1, 2025.

This Mytrip deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2910:15 amSFO - YYZ
1 stop18h 35mFlair Airlines
Sat 12/69:00 pmYYZ - SFO
1 stop15h 30mFlair Airlines
Deal found 10/30$275
This Kiwi.com deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/145:46 pmSFO - YYZ
1 stop10h 01mMultiple Airlines
Fri 1/168:00 pmYYZ - SFO
1 stop22h 53mMultiple Airlines
Deal found 10/31$276
This Mytrip deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/410:15 amSFO - YYZ
2 stops17h 43mMultiple Airlines
Wed 12/1010:15 pmYYZ - SFO
1 stop14h 15mMultiple Airlines
Deal found 10/30$279
This Kiwi.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/410:15 amSFO - YYZ
1 stop10h 39mMultiple Airlines
Thu 12/1112:30 pmYYZ - SFO
2 stops12h 33mMultiple Airlines
Deal found 11/1$281
This Mytrip deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/410:15 amSFO - YYZ
2 stops17h 43mMultiple Airlines
Mon 12/83:40 pmYYZ - SFO
2 stops20h 50mMultiple Airlines
Deal found 11/1$282
This Kiwi.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/410:15 amSFO - YYZ
1 stop10h 39mMultiple Airlines
Tue 12/99:35 amYYZ - SFO
1 stop10h 16mMultiple Airlines
Deal found 11/1$286
This Kiwi.com deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/1410:15 amSFO - YYZ
2 stops17h 43mMultiple Airlines
Tue 1/139:35 amYYZ - SFO
1 stop9h 18mMultiple Airlines
Deal found 10/31$287
This Kiwi.com deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/166:00 amSFO - YYZ
1 stop10h 55mMultiple Airlines
Sat 1/177:55 pmYYZ - SFO
1 stop14h 53mMultiple Airlines
Deal found 10/31$290
This Kiwi.com deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/1410:15 amSFO - YYZ
2 stops17h 43mMultiple Airlines
Wed 1/149:45 amYYZ - SFO
Nonstop5h 55mMultiple Airlines
Deal found 10/31$293
This Mytrip deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/278:25 amSFO - YTZ
1 stop10h 10mAir Canada
Wed 12/33:30 pmYTZ - SFO
1 stop8h 52mAir Canada
Deal found 10/31$376
This Air Canada deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/48:25 amSFO - YTZ
1 stop10h 10mAir Canada
Tue 12/93:30 pmYTZ - SFO
1 stop8h 52mAir Canada
Deal found 10/31$397
This Mytrip deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1810:15 amSFO - YHM
2 stops28h 02mMultiple Airlines
Mon 11/246:10 pmYHM - SFO
2 stops18h 20mMultiple Airlines
Deal found 10/29$411

Cheapflights Fare Finder

 
Customize your flight search to find flights from Fremont to Toronto 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 2,558,603 searches. Data last updated November 1, 2025.
Use the filters below to find and compare flights from Fremont to Toronto that are best for you.

Fly from

Fremont

Fly to

Toronto

Route

Depart

Return

Price

San FranciscoToronto

SFO - YKF

SFOYKF

San Francisco

Fri 1/16

1:00 pm-5:28 am

1 stop13h 28m

Toronto Region of Waterloo Intl

Thu 1/22

6:20 am-12:12 pm

1 stop8h 52m

$285

San FranciscoToronto

SFO - YKF

SFOYKF

San Francisco

Sun 2/22

10:15 am-5:29 am

2 stops16h 14m

Toronto Region of Waterloo Intl

Sat 2/28

7:00 pm-9:30 am

2 stops17h 30m

$310

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Sat 4/11

10:15 am-7:50 am

1 stop18h 35m

Toronto Pearson Intl

Sun 4/19

9:40 am-6:00 pm

1 stop11h 20m

$338

San FranciscoToronto

SFO - YKF

SFOYKF

San Francisco

Fri 3/6

1:00 pm-5:29 am

1 stop13h 29m

Toronto Region of Waterloo Intl

Sat 3/14

7:00 pm-12:10 pm

1 stop20h 10m

$338

San FranciscoToronto

SFO - YKF

SFOYKF

San Francisco

Fri 3/20

1:00 pm-5:29 am

1 stop13h 29m

Toronto Region of Waterloo Intl

Tue 3/24

6:20 am-12:10 pm

1 stop8h 50m

$341

San FranciscoHamilton

SFO - YHM

SFOYHM

San Francisco

Thu 1/15

1:00 pm-1:22 pm

1 stop21h 22m

Hamilton

Thu 1/22

6:10 pm-12:12 pm

1 stop21h 02m

$351

San FranciscoHamilton

SFO - YHM

SFOYHM

San Francisco

Thu 1/15

1:00 pm-1:22 pm

1 stop21h 22m

Hamilton

Wed 1/21

6:10 pm-12:12 pm

1 stop21h 02m

$370

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Sat 1/10

6:18 pm-3:35 pm

1 stop18h 17m

Toronto Pearson Intl

Tue 1/27

4:45 pm-2:02 pm

1 stop24h 17m

$373

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Fri 1/30

12:00 pm-3:35 pm

1 stop24h 35m

Toronto Pearson Intl

Sun 2/1

4:45 pm-3:50 pm

1 stop26h 05m

$373

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Sat 1/10

6:18 pm-3:35 pm

1 stop18h 17m

Toronto Pearson Intl

Thu 1/29

4:45 pm-11:03 pm

1 stop9h 18m

$384

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/31

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Fremont to Toronto

Have a flexible travel schedule? Discover the best time to fly to Toronto from Fremont 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 Fremont to Toronto

How far ahead should I book a flight from Fremont to Toronto?

Use this chart to determine the optimal time to book a round-trip flight from Fremont to Toronto. Price data was last updated on October 31, 2025.

The best time to book flights from Fremont to Toronto is 10 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Fremont to Toronto?

Currently, February is the cheapest month in which you can book a flight from Fremont to Toronto (average of $127). Flying from Fremont to Toronto in December is currently the most expensive (average of $212). 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 FR8 to YTO?

Find hourly flight availability from Fremont to Toronto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 1, 2025.

One of the essential ways to save on airfare from Fremont to Toronto is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 23% on airfare.

What is the cheapest day to fly from Fremont to Toronto?

Use this chart to determine the cheapest time to fly round-trip from Fremont to Toronto. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Fremont to Toronto flight should consider departing on Sunday mornings when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Toronto

Get insights into the airlines that provide service to Toronto. 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 Toronto. Reviews last updated November 1, 2025.
Get a feel of what it's like to fly with Porter Airlines, Air Transat, and United Airlines from Fremont to Toronto by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
384 reviews

Overall

8.0

Crew

8.6

Food

7.6

Boarding

8.2

Comfort

8.0

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Porter Airlines
8.0
Very good
384 reviews
Porter Airlines
8.0
Very good
384 reviews

Overall

8.0

Crew

8.6

Food

7.6

Boarding

8.2

Comfort

8.0

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Transat
7.8
Good
469 reviews
Porter Airlines
8.0
Very good
384 reviews

Overall

8.0

Crew

8.6

Food

7.6

Boarding

8.2

Comfort

8.0

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
United Airlines
7.4
Good
8,993 reviews
Porter Airlines
8.0
Very good
384 reviews

Overall

8.0

Crew

8.6

Food

7.6

Boarding

8.2

Comfort

8.0

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
WestJet
7.2
Good
3,153 reviews
Porter Airlines
8.0
Very good
384 reviews

Overall

8.0

Crew

8.6

Food

7.6

Boarding

8.2

Comfort

8.0

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Canada
7.1
Good
10,390 reviews
Porter Airlines
8.0
Very good
384 reviews

Overall

8.0

Crew

8.6

Food

7.6

Boarding

8.2

Comfort

8.0

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

Related info for your journey

Find useful and relevant information for your journey from Fremont to Toronto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Fremont to Toronto?

    Departing from Fremont to Toronto will take you 13h 28m. There are 2216 mi between Fremont and Toronto. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Fremont to Toronto one-way?

    To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at $145. Porter Airlines flights start at $150 while deals on Air Canada start at $162 one-way.

  • What are the most popular routes from Fremont to Toronto?

    The most popular flight routes from Fremont to Toronto are San Francisco - Toronto Pearson Intl, San Francisco - Toronto Island and San Francisco - Hamilton.

  • What are the most reliable airlines from Fremont to Toronto?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Fremont to Toronto on time: Air Canada (75%), United Airlines (75%), Porter Airlines (74%).

  • What are the cheapest flights from Fremont to Toronto?

    On average you can expect to pay $1,019 for a flight from Fremont to Toronto. The cheapest flight overall is $129 while the most popular route, (San Francisco - Toronto Pearson Intl) is currently priced at $229.

  • Can I find deals for flights from Fremont to Toronto that include hotel bookings?

    Yes. In addition to deals on Fremont to Toronto flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Fremont to Toronto?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Fremont to Toronto.

  • Can I find deals for business class flights from Fremont to Toronto?

    Yes. Cheapflights offers flight deals from Fremont to Toronto 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 Fremont to Toronto?

    Currently, February is the cheapest month in which you can book a flight from Fremont to Toronto (average of $127). Flying from Fremont to Toronto in December is currently the most expensive (average of $212). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Fremont to Toronto

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Pearson Intl flights
San Francisco to Pearson Intl flights
Los Angeles to Toronto Island flights
Los Angeles to Pierre Elliott Trudeau Intl flights
San Francisco to Pierre Elliott Trudeau Intl flights
Ontario to Pearson Intl flights
San Diego to Pearson Intl flights
San Francisco to Toronto Island flights
Las Vegas to Pearson Intl flights
Santa Ana to Pearson Intl flights
Burbank to Pearson Intl flights
Los Angeles to Region of Waterloo Intl flights
Los Angeles to Hamilton flights
Palm Springs to Pearson Intl flights
Sacramento to Pearson Intl flights
San Jose to Pearson Intl flights
San Diego to Pierre Elliott Trudeau Intl flights
Ontario to Pierre Elliott Trudeau Intl flights
San Diego to Toronto Island flights
San Francisco to Hamilton flights
San Francisco to Ottawa flights
Las Vegas to Toronto Island flights
San Francisco to Region of Waterloo Intl flights
Las Vegas to Pierre Elliott Trudeau Intl flights
Los Angeles to Ottawa flights
San Jose to Pierre Elliott Trudeau Intl flights
Oakland to Pearson Intl flights
Oakland to Pierre Elliott Trudeau Intl flights
Reno to Pearson Intl flights
Fresno to Pearson Intl flights
Long Beach to Pearson Intl flights
San Diego to Ottawa flights
Santa Ana to Pierre Elliott Trudeau Intl flights
Burbank to Pierre Elliott Trudeau Intl flights
San Diego to Hamilton flights
San Diego to Region of Waterloo Intl flights
Palm Springs to Hamilton flights
San Jose to Hamilton flights
Bakersfield to Pearson Intl flights
San Luis Obispo to Pearson Intl flights
Sacramento to Ottawa flights
Ontario to Ottawa flights
Sacramento to Pierre Elliott Trudeau Intl flights
Medford to Pearson Intl flights
Santa Barbara to Pearson Intl flights
Santa Ana to Ottawa flights
Las Vegas to Hamilton flights
Los Angeles to London flights

Top 8 airlines flying from Fremont to Toronto

Discover the top 8 airlines that operate flights from Fremont to Toronto. 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 2,558,603 searches. Data last updated November 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$36Average$81FlexibilityNo cancel feeOn-time62%
Porter AirlinesCheapest$170Average$390FlexibilityNo cancel feeOn-time52%
Air TransatCheapest$191Average$422FlexibilityNo cancel feeOn-time50%
Air CanadaCheapest$197Average$470FlexibilityNo cancel feeOn-time67%
DeltaCheapest$197Average$520FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$214Average$310FlexibilityNo cancel feeOn-time60%
United AirlinesCheapest$350Average$529FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$403Average$560FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.