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Cheap flights from Toronto to Fremont from C$ 231

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 22/5. Fares are subject to change and may not be available on all flights or dates of travel.
YTO — SFO
10 Apr — 17 Apr1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Toronto to Fremont are usually found in April or May, booked 83 days in advance, depart on a Friday or Thursday and return on a Thursday

Cheap flight deals from Toronto to Fremont

Enter your travel dates to find the best prices.

Cheapest flights from Toronto to Fremont
Explore the most affordable flight options available from Toronto to Fremont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 March 2026.

Thu 26/39:50 a.m.
YYZ
-
SFO
Nonstop5h 52m
Multiple Airlines
Tue 21/47:40 p.m.
SFO
-
YYZ
2 stops20h 56m
Multiple Airlines
Deal found 6/3C$ 372
Thu 30/49:50 a.m.
YYZ
-
SFO
Nonstop5h 55m
Porter Airlines
Fri 8/51:20 p.m.
SFO
-
YYZ
Nonstop5h 05m
Porter Airlines
Deal found 6/3C$ 373
Thu 26/39:50 a.m.
YYZ
-
SFO
Nonstop5h 52m
Multiple Airlines
Tue 7/46:34 p.m.
SFO
-
YYZ
2 stops22h 02m
Multiple Airlines
Deal found 6/3C$ 375
Thu 26/39:50 a.m.
YYZ
-
SFO
Nonstop5h 52m
Multiple Airlines
Mon 20/41:12 p.m.
SFO
-
YYZ
2 stops14h 01m
Multiple Airlines
Deal found 6/3C$ 376
Tue 24/39:50 a.m.
YYZ
-
SFO
Nonstop5h 52m
Porter Airlines
Sun 19/41:45 p.m.
SFO
-
YYZ
Nonstop4h 57m
Porter Airlines
Deal found 6/3C$ 379
Tue 24/39:50 a.m.
YYZ
-
SFO
Nonstop5h 52m
Multiple Airlines
Tue 28/47:40 p.m.
SFO
-
YYZ
3 stops30h 30m
Multiple Airlines
Deal found 6/3C$ 382
Tue 24/39:50 a.m.
YYZ
-
SFO
Nonstop5h 52m
Multiple Airlines
Tue 21/47:40 p.m.
SFO
-
YYZ
3 stops31h 18m
Multiple Airlines
Deal found 6/3C$ 383
Sat 2/56:15 a.m.
YYZ
-
SFO
1 stop8h 45m
WestJet
Tue 5/56:00 a.m.
SFO
-
YYZ
2 stops10h 55m
WestJet
Deal found 7/3C$ 388
Wed 15/49:50 a.m.
YYZ
-
SFO
Nonstop5h 55m
Air Transat
Mon 20/41:45 p.m.
SFO
-
YYZ
Nonstop4h 57m
Air Transat
Deal found 5/3C$ 390
Thu 26/39:50 a.m.
YYZ
-
SFO
Nonstop5h 52m
Porter Airlines
Wed 1/41:45 p.m.
SFO
-
YYZ
Nonstop4h 57m
Porter Airlines
Deal found 6/3C$ 391
Thu 30/46:15 a.m.
YYZ
-
SFO
1 stop8h 45m
WestJet
Wed 6/51:00 p.m.
SFO
-
YYZ
1 stop9h 05m
WestJet
Deal found 7/3C$ 392
Sat 9/56:10 p.m.
YHM
-
SFO
1 stop20h 50m
WestJet
Tue 12/56:00 a.m.
SFO
-
YHM
1 stop8h 15m
WestJet
Deal found 10/3C$ 441

Find flight deals from Toronto to Fremont

Keep the following information in mind while searching for Toronto to Fremont flight deals. Data was last updated 11 March 2026.

Round-trip from

C$ 372

One-way from

C$ 231

Popular in

December

Cheapest in

April

Average price

C$ 539
29/4-6/5
  • 29/4-6/5
  • 2 total stops
  • 33h 07m total
  • Toronto to Fremont
Search Deals
WestJet
  • WestJet
  • 22/5
  • 2 total stops
  • 12h 15m total
  • Toronto to Fremont
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 26 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Toronto to Fremont 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 11 March 2026.
Use the filters below to find and compare flights from Toronto to Fremont that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Tue 12/5

9:45 a.m.-12:20 p.m.

Nonstop5h 35m

San Francisco

Wed 13/5

1:20 p.m.-9:25 p.m.

Nonstop5h 05m

C$ 487

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Sat 13/6

10:45 a.m.-5:30 p.m.

1 stop9h 45m

San Francisco

Sat 20/6

10:47 p.m.-7:00 a.m.

Nonstop5h 13m

C$ 492

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Thu 2/4

3:53 p.m.-7:16 a.m.

1 stop18h 23m

San Francisco

Sat 11/4

5:00 a.m.-9:32 p.m.

1 stop13h 32m

C$ 492

TorontoSan Francisco

YTZ - SFO

YTZSFO

Toronto Island

Wed 15/7

2:55 p.m.-8:37 p.m.

1 stop8h 42m

San Francisco

Mon 20/7

10:38 p.m.-10:06 a.m.

1 stop8h 28m

C$ 502

TorontoSan Francisco

YTZ - SFO

YTZSFO

Toronto Island

Thu 16/7

7:20 p.m.-1:42 a.m.

1 stop9h 22m

San Francisco

Sun 19/7

5:05 a.m.-4:41 p.m.

1 stop8h 36m

C$ 502

TorontoSan Francisco

YTZ - SFO

YTZSFO

Toronto Island

Wed 15/7

2:55 p.m.-8:37 p.m.

1 stop8h 42m

San Francisco

Sun 19/7

5:05 a.m.-4:41 p.m.

1 stop8h 36m

C$ 502

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Wed 3/6

6:10 p.m.-9:55 p.m.

1 stop30h 45m

San Francisco

Wed 17/6

6:00 a.m.-5:15 p.m.

1 stop8h 15m

C$ 509

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Fri 10/4

6:30 a.m.-9:23 a.m.

Nonstop5h 53m

San Francisco

Tue 14/4

5:00 a.m.-3:14 p.m.

1 stop7h 14m

C$ 515

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Mon 20/4

9:00 p.m.-1:35 a.m.

1 stop7h 35m

San Francisco

Wed 29/4

8:04 a.m.-4:14 p.m.

Nonstop5h 10m

C$ 519

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Fri 1/5

8:40 p.m.-12:00 p.m.

1 stop18h 20m

San Francisco

Tue 5/5

1:00 p.m.-7:50 p.m.

1 stop27h 50m

C$ 520

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/3

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Toronto to Fremont

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

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

Use this chart to determine the optimal time to book a round-trip flight from Toronto to Fremont. Price data was last updated on 6 March 2026.

The best time to book flights from Toronto to Fremont is 83 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 Toronto to Fremont?

Currently, November is the cheapest month in which you can book a flight from Toronto to Fremont (average of C$ 244). Flying from Toronto to Fremont in December is currently the most expensive (average of C$ 344). 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 YTO to FR8?

Find hourly flight availability from Toronto to Fremont. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 March 2026.

When flying from Toronto to Fremont, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 51% versus a flight in the evening.

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

Use this chart to determine the cheapest time to fly round-trip from Toronto to Fremont. Price data was last updated on 21 February 2026.

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

Weekly flight availability from Toronto to Fremont

Explore weekly flight availability from Toronto to Fremont. 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 11 March 2026.

The most flights from YTO to FR8 are scheduled on a Monday (21 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (12 on average).

How much does it cost to fly round-trip from Toronto to Fremont?

Reviews of airlines servicing Fremont

Get insights into the airlines that provide service to Fremont. 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 Fremont. Reviews last updated 11 March 2026.
Check out reviews from past customers who have flown with Porter Airlines,Air Transat, andUnited Airlines from Toronto to Fremont to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
423 reviews
Check prices

Entertainment

7.0

Comfort

8.0

Overall

8.0

Crew

8.6

Food

7.6

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Porter Airlines
8.0
Very good
423 reviews
Porter Airlines
8.0
Very good
423 reviews
Check prices

Entertainment

7.0

Comfort

8.0

Overall

8.0

Crew

8.6

Food

7.6

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Air Transat
7.7
Good
521 reviews
Porter Airlines
8.0
Very good
423 reviews
Check prices

Entertainment

7.0

Comfort

8.0

Overall

8.0

Crew

8.6

Food

7.6

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
United Airlines
7.4
Good
9,413 reviews
Porter Airlines
8.0
Very good
423 reviews
Check prices

Entertainment

7.0

Comfort

8.0

Overall

8.0

Crew

8.6

Food

7.6

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
WestJet
7.2
Good
3,288 reviews
Porter Airlines
8.0
Very good
423 reviews
Check prices

Entertainment

7.0

Comfort

8.0

Overall

8.0

Crew

8.6

Food

7.6

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Air Canada
7.1
Good
10,800 reviews
Porter Airlines
8.0
Very good
423 reviews
Check prices

Entertainment

7.0

Comfort

8.0

Overall

8.0

Crew

8.6

Food

7.6

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.

Related info for your journey

Find useful and relevant information for your journey from Toronto to Fremont. 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 Toronto to Fremont?

    Departing from Toronto to Fremont will take you 5h 35m. There are 3626 km between Toronto and Fremont. Both multi-stop and direct flights can be found to your destination and back.

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

    The cheapest airline one-way is WestJet, with whom users have recently found tickets for as low as C$ 174. However, be on the lookout for offers from Porter Airlines and Air Transat, as they are both options that can get you from Toronto to Fremont for a low price.

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

    When deciding which route to take from Toronto to Fremont consider Toronto Pearson Intl - San Francisco, Toronto Island - San Francisco or Toronto Region of Waterloo Intl - San Francisco as they are the most popular.

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

    The top 3 most reliable airlines when flying from Toronto to Fremont are American Airlines (57%), Porter Airlines (57%) and Air Transat (57%).

  • What are the cheapest flights from Toronto to Fremont?

    Looking at all options, your cheapest flight can be booked for C$ 252. While the most popular route (Toronto Pearson Intl - San Francisco) can be booked for C$ 396 on average, our data indicates C$ 1,620 when flying from Toronto to Fremont.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Toronto to Fremont (average of C$ 244). Flying from Toronto to Fremont in December is currently the most expensive (average of C$ 344). 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 Toronto to Fremont

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from Toronto to Fremont

Discover the top 9 airlines that operate flights from Toronto to Fremont. 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 11 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Flair AirlinesCheapestC$ 114AverageC$ 465FlexibilityNo cancel feeOn-timeN/A
Search Flair Airlines flights
American AirlinesCheapestC$ 253AverageC$ 605FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapestC$ 255AverageC$ 497FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
WestJetCheapestC$ 280AverageC$ 421FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Alaska AirlinesCheapestC$ 286AverageC$ 439FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Porter AirlinesCheapestC$ 305AverageC$ 469FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 344AverageC$ 528FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air TransatCheapestC$ 372AverageC$ 539FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
United AirlinesCheapestC$ 390AverageC$ 554FlexibilityNo cancel feeOn-time69%
Search United Airlines 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 Toronto to Fremont?

Deals for Toronto to Fremont flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Toronto to Fremont?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Toronto to Fremont for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Toronto to Fremont with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Toronto to Fremont, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Toronto to Fremont become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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