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Cheap flights from Toronto to Sonoma from C$ 195

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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
YTO — SFO
20 Apr — 27 Apr1
1 adult

Cheapflights Tip: The best prices from Toronto to Sonoma are usually found in March or April, booked 67 days in advance, depart on a Friday or Thursday and return on a Friday

Cheap flight deals from Toronto to Sonoma

Keep the following information in mind while searching for Toronto to Sonoma flight deals. Data was last updated 15 April 2025.

Round-trip from

C$ 335

One-way from

C$ 195

Popular in

December

Cheapest in

March

Average price

C$ 466
WestJet
  • WestJet
  • 8/5-17/5
  • 2 total stops
  • 18h 01m total
  • Toronto to Sonoma
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WestJet
  • WestJet
  • 9/7
  • 2 total stops
  • 10h 59m total
  • Toronto to Sonoma
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (C$ 8 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
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Find flight deals from Toronto to Sonoma

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 15 April 2025.

Thu 7/86:00 a.m.YHM - SFO
1 stop8h 56mWestJet
Mon 11/812:50 p.m.SFO - YHM
1 stop8h 51mWestJet
Deal found 14/4C$ 327
Thu 8/56:00 a.m.YKF - SFO
1 stop9h 05mWestJet
Sat 17/512:50 p.m.SFO - YKF
1 stop8h 56mWestJet
Deal found 14/4C$ 335
Thu 3/76:30 a.m.YYZ - SFO
1 stop10h 29mWestJet
Mon 14/76:05 p.m.SFO - YYZ
1 stop9h 07mWestJet
Deal found 14/4C$ 335
Sat 24/51:50 p.m.YYZ - SFO
1 stop10h 29mMultiple Airlines
Wed 28/51:09 p.m.SFO - YYZ
1 stop8h 03mMultiple Airlines
Deal found 14/4C$ 337
Tue 29/46:00 a.m.YHM - SFO
1 stop9h 05mMultiple Airlines
Wed 30/48:35 a.m.SFO - YHM
2 stops13h 06mMultiple Airlines
Deal found 15/4C$ 341
Sun 1/69:25 a.m.YKF - SFO
2 stops29h 40mMultiple Airlines
Wed 4/66:05 p.m.SFO - YKF
2 stops34h 05mMultiple Airlines
Deal found 14/4C$ 402
Fri 23/58:25 p.m.YKF - SFO
1 stop16h 05mFlair Airlines
Sun 25/510:15 a.m.SFO - YKF
1 stop17h 55mFlair Airlines
Deal found 15/4C$ 409
Tue 29/43:25 p.m.YTZ - SFO
1 stop9h 20mAir Canada
Tue 6/58:15 a.m.SFO - YTZ
1 stop8h 35mAir Canada
Deal found 15/4C$ 424
Fri 9/57:00 a.m.YTZ - SFO
3 stops32h 05mMultiple Airlines
Sun 11/510:15 a.m.SFO - YTZ
2 stops30h 12mMultiple Airlines
Deal found 14/4C$ 442
Mon 2/68:30 a.m.YYZ - SFO
Nonstop5h 42mAir Canada
Mon 2/610:55 p.m.SFO - YYZ
Nonstop5h 01mAir Canada
Deal found 14/4C$ 444
Sun 8/69:45 a.m.YYZ - SFO
Nonstop5h 45mPorter Airlines
Wed 23/71:25 p.m.SFO - YYZ
Nonstop5h 02mPorter Airlines
Deal found 15/4C$ 448
Tue 29/41:20 p.m.YYZ - SFO
1 stop11h 01mUnited Airlines
Tue 29/412:43 a.m.SFO - YYZ
1 stop10h 27mUnited Airlines
Deal found 15/4C$ 478

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 15 April 2025.
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

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Wed 7/5

6:00 a.m.-11:59 p.m.

2 stops20h 59m

San Francisco

Tue 13/5

8:30 a.m.-12:41 a.m.

2 stops13h 11m

C$ 295

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Wed 30/7

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

1 stop9h 05m

San Francisco

Mon 18/8

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

1 stop8h 51m

C$ 330

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Thu 8/5

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

1 stop9h 05m

San Francisco

Sat 17/5

12:50 p.m.-12:46 a.m.

1 stop8h 56m

C$ 335

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Fri 13/6

6:30 a.m.-1:59 p.m.

1 stop10h 29m

San Francisco

Sun 15/6

6:05 p.m.-6:52 a.m.

1 stop9h 47m

C$ 335

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Fri 9/5

9:45 a.m.-12:30 p.m.

Nonstop5h 45m

San Francisco

Mon 12/5

1:56 p.m.-6:14 a.m.

2 stops13h 18m

C$ 349

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Sun 1/6

9:25 a.m.-12:05 p.m.

2 stops29h 40m

San Francisco

Wed 4/6

6:05 p.m.-7:10 a.m.

2 stops34h 05m

C$ 402

TorontoSan Francisco

YTZ - SFO

YTZSFO

Toronto Island

Fri 9/5

3:35 p.m.-9:30 a.m.

2 stops20h 55m

San Francisco

Sun 11/5

10:15 a.m.-7:27 p.m.

2 stops30h 12m

C$ 412

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Fri 9/5

9:45 a.m.-12:30 p.m.

Nonstop5h 45m

San Francisco

Mon 12/5

1:30 p.m.-9:29 p.m.

Nonstop4h 59m

C$ 420

TorontoSan Francisco

YTZ - SFO

YTZSFO

Toronto Island

Tue 29/4

3:25 p.m.-9:45 p.m.

1 stop9h 20m

San Francisco

Tue 6/5

8:15 a.m.-7:50 p.m.

1 stop8h 35m

C$ 424

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Tue 3/6

7:20 p.m.-10:02 p.m.

Nonstop5h 42m

San Francisco

Tue 17/6

4:50 p.m.-12:51 a.m.

Nonstop5h 01m

C$ 428

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/4

Showing 1-10 of 33 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 11 April 2025.

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 46 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, January is the cheapest month in which you can book a flight from Toronto to Sonoma (average of C$ 276). Flying from Toronto to Sonoma in June is currently the most expensive (average of C$ 379). 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 15 April 2025.

When flying from Toronto to Sonoma, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 16 December 2024.

Travelers seeking maximum savings on their Toronto to Sonoma flight should consider departing on Wednesday at noon when fares are most often at their lowest. Sunday afternoons 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 15 April 2025.

The most flights from YTO to SN9 are scheduled on a Monday (22 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (13 on average).

Rainfall in Sonoma by month

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

In terms of precipitation, rainfall in Sonoma 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 Sonoma when rainfall is around 0.0 mm.

Temperature in Sonoma by month

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

If weather is an important factor for your trip to Sonoma, 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 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 15 April 2025.
Read reviews from past customers who have flown Alaska Airlines, Porter Airlines and Delta from Toronto to Sonoma. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,876 reviews
Check prices

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,876 reviews
Alaska Airlines
8.0
Very good
9,876 reviews
Check prices

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Porter Airlines
8.0
Very good
281 reviews
Alaska Airlines
8.0
Very good
9,876 reviews
Check prices

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,917 reviews
Alaska Airlines
8.0
Very good
9,876 reviews
Check prices

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Air Transat
7.8
Good
385 reviews
Alaska Airlines
8.0
Very good
9,876 reviews
Check prices

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
SWISS
7.5
Good
1,578 reviews
Alaska Airlines
8.0
Very good
9,876 reviews
Check prices

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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.

  • 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$ 195 on WestJet. Other airlines that offer cheap prices include Porter Airlines from C$ 221 and Air Canada from C$ 245 one-way.

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

    Most travellers choose Toronto Pearson Intl - San Francisco, Toronto Region of Waterloo Intl - 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 Brussels Airlines (100%), Porter Airlines (64%) and Air Transat (64%).

  • What are the cheapest flights from Toronto to Sonoma?

    While on average a flight from Toronto to Sonoma is generally C$ 1,662, our data shows the cheapest flight currently is C$ 208. When looking at the most popular route, (Toronto Pearson Intl - San Francisco), you can expect to pay C$ 281 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, January is the cheapest month in which you can book a flight from Toronto to Sonoma (average of C$ 276). Flying from Toronto to Sonoma in June is currently the most expensive (average of C$ 379). 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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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 15 April 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 272AverageC$ 726FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
WestJetCheapestC$ 288AverageC$ 576FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 331AverageC$ 632FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
DeltaCheapestC$ 339AverageC$ 594FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Porter AirlinesCheapestC$ 357AverageC$ 676FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air TransatCheapestC$ 416AverageC$ 516FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Alaska AirlinesCheapestC$ 425AverageC$ 652FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
United AirlinesCheapestC$ 428AverageC$ 680FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJet EncoreCheapestC$ 648AverageC$ 705FlexibilityNo cancel feeOn-timeN/A
Search WestJet Encore 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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