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Cheap flights from Toronto to Sonoma from C$ 238

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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
YTO — SFO
5 Mar — 12 Mar1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Toronto to Sonoma are usually found in April or March, booked 50 days in advance, depart on a Friday or Thursday and return on a Tuesday

Cheap flight deals from Toronto to Sonoma

Enter your travel dates to find the best prices.

Cheapest flights from Toronto to Sonoma
Explore the most affordable flight options available from Toronto to Sonoma. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 February 2026.

Sun 31/59:00 a.m.
YYZ
-
SFO
1 stop10h 40m
WestJet
Sat 6/66:00 a.m.
SFO
-
YYZ
2 stops10h 35m
WestJet
Deal found 1/2C$ 362
Tue 14/49:35 a.m.
YYZ
-
SFO
1 stop10h 17m
Multiple Airlines
Wed 22/43:31 p.m.
SFO
-
YYZ
2 stops25h 05m
Multiple Airlines
Deal found 2/2C$ 363
Thu 19/28:00 p.m.
YYZ
-
SFO
1 stop14h 48m
Multiple Airlines
Sun 1/32:10 p.m.
SFO
-
YYZ
1 stop13h 33m
Multiple Airlines
Deal found 31/1C$ 365
Sat 7/39:50 a.m.
YYZ
-
SFO
Nonstop5h 52m
Multiple Airlines
Wed 11/37:32 p.m.
SFO
-
YYZ
2 stops21h 04m
Multiple Airlines
Deal found 31/1C$ 366
Thu 12/38:00 p.m.
YYZ
-
SFO
1 stop14h 58m
Multiple Airlines
Mon 16/38:09 p.m.
SFO
-
YYZ
1 stop7h 34m
Multiple Airlines
Deal found 1/2C$ 367
Tue 31/35:50 a.m.
YHM
-
SFO
1 stop9h 20m
WestJet
Tue 28/46:00 a.m.
SFO
-
YHM
1 stop8h 15m
WestJet
Deal found 2/2C$ 369
Thu 19/29:50 a.m.
YYZ
-
SFO
Nonstop5h 55m
Multiple Airlines
Tue 3/37:15 p.m.
SFO
-
YYZ
1 stop21h 40m
Multiple Airlines
Deal found 31/1C$ 369
Thu 19/29:50 a.m.
YYZ
-
SFO
Nonstop5h 55m
Multiple Airlines
Mon 2/38:16 p.m.
SFO
-
YYZ
3 stops24h 19m
Multiple Airlines
Deal found 31/1C$ 370
Mon 13/48:00 p.m.
YYZ
-
SFO
1 stop21h 26m
Multiple Airlines
Sun 19/42:01 p.m.
SFO
-
YYZ
1 stop13h 42m
Multiple Airlines
Deal found 2/2C$ 371
Tue 10/36:20 a.m.
YKF
-
SFO
1 stop8h 50m
WestJet
Sun 15/31:00 p.m.
SFO
-
YKF
1 stop13h 29m
WestJet
Deal found 1/2C$ 373
Tue 14/49:35 a.m.
YYZ
-
SFO
1 stop10h 17m
Multiple Airlines
Sun 19/42:01 p.m.
SFO
-
YYZ
1 stop13h 42m
Multiple Airlines
Deal found 2/2C$ 374
Thu 26/38:00 p.m.
YYZ
-
SFO
1 stop14h 58m
Multiple Airlines
Mon 30/310:48 p.m.
SFO
-
YYZ
2 stops17h 48m
Multiple Airlines
Deal found 3/2C$ 376

Find flight deals from Toronto to Sonoma

Keep the following information in mind while searching for Toronto to Sonoma flight deals. Data was last updated 3 February 2026.

Round-trip from

C$ 362

One-way from

C$ 238

Popular in

December

Cheapest in

April

Average price

C$ 482
WestJet
  • WestJet
  • 31/5-6/6
  • 3 total stops
  • 21h 15m total
  • Toronto to Sonoma
Search Deals
WestJet
  • WestJet
  • 5/5
  • 1 total stop
  • 20h 50m total
  • Toronto to Sonoma
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 49 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Toronto to Sonoma 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 3 February 2026.
Use the filters below to find and compare flights from Toronto to Sonoma that are best for you.

Fly from

Toronto

Fly to

Sonoma

Route

Depart

Return

Price

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Tue 10/3

6:20 a.m.-12:10 p.m.

1 stop8h 50m

San Francisco

Sun 15/3

1:00 p.m.-5:29 a.m.

1 stop13h 29m

C$ 373

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Tue 31/3

6:20 a.m.-12:10 p.m.

1 stop8h 50m

San Francisco

Tue 28/4

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

1 stop27h 50m

C$ 408

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Wed 15/4

6:10 p.m.-12:10 p.m.

1 stop21h 00m

San Francisco

Mon 27/4

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

1 stop8h 15m

C$ 408

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Mon 30/3

6:10 p.m.-12:10 p.m.

1 stop21h 00m

San Francisco

Mon 27/4

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

1 stop8h 15m

C$ 440

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Tue 31/3

5:50 a.m.-12:10 p.m.

1 stop9h 20m

San Francisco

Wed 29/4

1:00 p.m.-5:15 p.m.

1 stop25h 15m

C$ 440

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Tue 3/3

5:50 a.m.-12:10 p.m.

1 stop9h 20m

San Francisco

Tue 10/3

1:00 p.m.-5:16 p.m.

1 stop25h 16m

C$ 448

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Fri 27/2

6:30 a.m.-9:40 a.m.

Nonstop6h 10m

San Francisco

Sun 1/3

11:31 p.m.-7:30 a.m.

Nonstop4h 59m

C$ 459

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Thu 5/3

5:55 p.m.-8:55 p.m.

Nonstop6h 00m

San Francisco

Tue 10/3

11:31 p.m.-7:30 a.m.

Nonstop4h 59m

C$ 459

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Thu 26/2

5:15 p.m.-11:47 p.m.

1 stop9h 32m

San Francisco

Wed 11/3

1:05 p.m.-9:05 a.m.

2 stops17h 00m

C$ 481

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Tue 10/3

6:08 p.m.-10:36 p.m.

1 stop7h 28m

San Francisco

Tue 17/3

1:05 p.m.-9:05 a.m.

2 stops17h 00m

C$ 481

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/2

Showing 1-10 of 60 results
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Best time to book a flight from Toronto to Sonoma

Have a flexible travel schedule? Discover the best time to fly to Sonoma 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 Sonoma

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

Use this chart to determine the optimal time to book a round-trip flight from Toronto to Sonoma. Price data was last updated on 30 January 2026.

The price you pay for your flight from Toronto to Sonoma may vary depending on when you book. For the best chance of a lower fare, look to book 50 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, April is the cheapest month in which you can book a flight from Toronto to Sonoma (average of C$ 197). Flying from Toronto to Sonoma in January is currently the most expensive (average of C$ 332). 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 SN9?

Find hourly flight availability from Toronto to Sonoma. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 3 February 2026.

When flying from Toronto to Sonoma, 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 Sonoma?

Use this chart to determine the cheapest time to fly round-trip from Toronto to Sonoma. Price data was last updated on 31 January 2026.

Travelers seeking maximum savings on their Toronto to Sonoma 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 Sonoma

Explore weekly flight availability from Toronto to Sonoma. 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 3 February 2026.

The most flights from YTO to SN9 are scheduled on a Monday (16 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (6 on average).

Reviews of airlines servicing Sonoma

Get insights into the airlines that provide service to Sonoma. 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 Sonoma. Reviews last updated 3 February 2026.
Check out reviews from past customers who have flown with Porter Airlines,Air Transat, andUnited Airlines from Toronto to Sonoma 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
7.9
Good
412 reviews
Check prices

Overall

7.9

Comfort

7.9

Boarding

8.2

Entertainment

6.9

Food

7.5

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Porter Airlines
7.9
Good
412 reviews
Porter Airlines
7.9
Good
412 reviews
Check prices

Overall

7.9

Comfort

7.9

Boarding

8.2

Entertainment

6.9

Food

7.5

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Air Transat
7.7
Good
502 reviews
Porter Airlines
7.9
Good
412 reviews
Check prices

Overall

7.9

Comfort

7.9

Boarding

8.2

Entertainment

6.9

Food

7.5

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
United Airlines
7.4
Good
9,236 reviews
Porter Airlines
7.9
Good
412 reviews
Check prices

Overall

7.9

Comfort

7.9

Boarding

8.2

Entertainment

6.9

Food

7.5

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
WestJet
7.2
Good
3,255 reviews
Porter Airlines
7.9
Good
412 reviews
Check prices

Overall

7.9

Comfort

7.9

Boarding

8.2

Entertainment

6.9

Food

7.5

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Air Canada
7.1
Good
10,684 reviews
Porter Airlines
7.9
Good
412 reviews
Check prices

Overall

7.9

Comfort

7.9

Boarding

8.2

Entertainment

6.9

Food

7.5

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

Related info for your journey

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

    Departing from Toronto to Sonoma will take you 6h 10m. The distance from Toronto to Sonoma is about 3626 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    One-way options have recently been found by users for as low as C$ 174 on WestJet. Other airlines that offer cheap prices include Porter Airlines from C$ 201 and Air Transat from C$ 222 one-way.

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

    Most travellers choose Toronto Pearson Intl - San Francisco, Toronto Island - San Francisco or Hamilton - San Francisco when deciding on the best route from Toronto to Sonoma.

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

    The top 3 most reliable airlines when flying from Toronto to Sonoma are American Airlines (54%), Porter Airlines (54%) and Air Transat (54%).

  • What are the cheapest flights from Toronto to Sonoma?

    While on average a flight from Toronto to Sonoma is generally C$ 1,199, our data shows the cheapest flight currently is C$ 242. When looking at the most popular route, (Toronto Pearson Intl - San Francisco), you can expect to pay C$ 382 for that flight.

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

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

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

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

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

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

    Currently, April is the cheapest month in which you can book a flight from Toronto to Sonoma (average of C$ 197). Flying from Toronto to Sonoma in January is currently the most expensive (average of C$ 332). 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 Sonoma

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 Sonoma

Discover the top 9 airlines that operate flights from Toronto to Sonoma. 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 3 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Flair AirlinesCheapestC$ 115AverageC$ 467FlexibilityNo cancel feeOn-timeN/A
Search Flair Airlines flights
WestJetCheapestC$ 196AverageC$ 371FlexibilityNo cancel feeOn-time60%
Search WestJet flights
American AirlinesCheapestC$ 254AverageC$ 566FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapestC$ 256AverageC$ 522FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Porter AirlinesCheapestC$ 304AverageC$ 459FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 317AverageC$ 566FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air TransatCheapestC$ 362AverageC$ 518FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Alaska AirlinesCheapestC$ 389AverageC$ 540FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
United AirlinesCheapestC$ 422AverageC$ 634FlexibilityNo 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 Sonoma?

When you search for this flight from Toronto to Sonoma, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

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

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

Yes! Cheapflights helps users easily find flights from Toronto to Sonoma with no change fees.

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

Yes! Start tracking prices for Toronto to Sonoma 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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