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$ 220 on WestJet. Other airlines that offer cheap prices include Air Canada from C$ 256 and Flair Airlines from C$ 262 one-way.

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.

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).

What are the most popular routes from Toronto to Sonoma?

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

What are the cheapest flights from Toronto to Sonoma?

While on average a flight from Toronto to Sonoma is generally C$ 2,350, our data shows the cheapest flight currently is C$ 271. When looking at the most popular route, (Toronto Pearson Intl - San Francisco), you can expect to pay C$ 347 for that flight.

What are the most reliable airlines from Toronto to Sonoma?

The top 3 most reliable airlines when flying from Toronto to Sonoma are Singapore Airlines (79%), Porter Airlines (79%) and Air Transat (79%).

What are the most popular airlines that fly from Toronto to Sonoma?

Before booking your flight from Toronto to Sonoma check out the most popular airlines for this route: American Airlines, Air Canada or Alaska Airlines.

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

Find a great deal and save up to 89% by booking at least 44 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Toronto to Sonoma within the next two weeks, with the cheapest ticket starting at C$ 588.

What is the cheapest month to fly from Toronto to Sonoma?

Flights from Toronto to Sonoma lean towards being more expensive in December. Prices are generally better when you fly from Toronto to Sonoma in April, with the cheapest ticket starting at C$ 296.

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.

C$ 220+ Flights from Toronto to Sonoma

Q: How much does it cost to fly round-trip from Toronto to Sonoma?

Airfare is below average for this route at the moment. Toronto to Sonoma flights typically cost between C$ 504 and C$ 756 in September. The cheapest round-trip price found within the last 3 days was C$ 372 on WestJet (4 Sep-10 Sep).

Cheapflights Tip: The best prices from Toronto to Sonoma are usually found in April or March, booked 43 days in advance, depart on a Friday or Thursday and return on a Friday

Cheap flight deals from Toronto to Sonoma

Round-trip from	C$ 372
One-way from	C$ 220
Popular in	December
Cheapest in	April
Average price	C$ 614

WestJet
4/9-10/9
2 total stops
17h 44m total
Toronto to Sonoma

Search Deals

WestJet
28/8
1 total stop
8h 56m total
Toronto to Sonoma

Search Deals

Highest demand for flights based on searches. 5% potential increase in price (C$ 43 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (C$ 19 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

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 31 July 2025.

Thu 4/96:00 a.m.YHM - SFO

1 stop8h 54mWestJet

Wed 10/912:50 p.m.SFO - YHM

1 stop8h 50mWestJet

Deal found 29/7C$ 372

Sun 14/99:00 a.m.YYZ - SFO

1 stop11h 14mWestJet

Mon 22/912:50 p.m.SFO - YYZ

1 stop8h 32mWestJet

Deal found 29/7C$ 385

Fri 3/1010:40 a.m.YYZ - SFO

1 stop10h 27mMultiple Airlines

Sat 4/1010:15 a.m.SFO - YYZ

1 stop11h 28mMultiple Airlines

Deal found 29/7C$ 386

Thu 28/86:00 a.m.YKF - SFO

1 stop8h 56mWestJet

Fri 5/912:50 p.m.SFO - YKF

1 stop8h 55mWestJet

Deal found 28/7C$ 394

Fri 5/95:45 p.m.YHM - SFO

1 stop18h 45mMultiple Airlines

Tue 9/910:15 a.m.SFO - YHM

1 stop10h 44mMultiple Airlines

Deal found 31/7C$ 394

Sat 13/912:25 p.m.YTZ - SFO

1 stop10h 26mAir Canada

Sat 20/98:30 a.m.SFO - YTZ

1 stop10h 04mAir Canada

Deal found 29/7C$ 401

Thu 4/92:00 p.m.YYZ - SFO

1 stop8h 51mAir Canada

Wed 10/98:40 a.m.SFO - YYZ

Nonstop4h 55mAir Canada

Deal found 29/7C$ 412

Fri 22/89:45 a.m.YYZ - SFO

Nonstop5h 38mPorter Airlines

Wed 24/91:25 p.m.SFO - YYZ

Nonstop5h 02mPorter Airlines

Deal found 29/7C$ 439

Wed 29/101:15 p.m.YYZ - SFO

2 stops9h 40mAmerican Airlines

Fri 31/101:07 a.m.SFO - YYZ

1 stop6h 52mAmerican Airlines

Deal found 29/7C$ 448

Sat 20/96:00 a.m.YKF - SFO

1 stop8h 54mMultiple Airlines

Tue 23/910:15 a.m.SFO - YKF

2 stops16h 15mMultiple Airlines

Deal found 30/7C$ 455

Sat 13/912:25 p.m.YTZ - SFO

1 stop10h 26mMultiple Airlines

Sat 20/910:15 a.m.SFO - YTZ

2 stops22h 16mMultiple Airlines

Deal found 29/7C$ 461

Best flights from Toronto to Sonoma
Discover carefully curated flight deals from Toronto to Sonoma that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 31 July 2025.

Thu 4/96:00 a.m.YHM - SFO

1 stop8h 54mWestJet

Wed 10/912:50 p.m.SFO - YHM

1 stop8h 50mWestJet

Deal found 29/7C$ 372

Fri 3/108:05 p.m.YYZ - SFO

1 stop15h 33mMultiple Airlines

Sun 12/1010:15 a.m.SFO - YYZ

1 stop9h 38mMultiple Airlines

Deal found 28/7C$ 386

Sat 13/912:25 p.m.YTZ - SFO

1 stop10h 26mAir Canada

Sat 20/98:30 a.m.SFO - YTZ

1 stop10h 04mAir Canada

Deal found 29/7C$ 401

Fri 22/89:45 a.m.YYZ - SFO

Nonstop5h 38mPorter Airlines

Wed 24/91:25 p.m.SFO - YYZ

Nonstop5h 02mPorter Airlines

Deal found 29/7C$ 439

Wed 29/101:15 p.m.YYZ - SFO

2 stops9h 40mAmerican Airlines

Fri 31/101:07 a.m.SFO - YYZ

1 stop6h 52mAmerican Airlines

Deal found 29/7C$ 448

Sun 14/99:00 a.m.YYZ - SFO

1 stop11h 14mWestJet

Fri 19/96:05 p.m.SFO - YYZ

1 stop9h 47mWestJet

Deal found 29/7C$ 385

Fri 5/95:45 p.m.YHM - SFO

1 stop18h 45mMultiple Airlines

Tue 9/910:15 a.m.SFO - YHM

1 stop10h 44mMultiple Airlines

Deal found 31/7C$ 394

Thu 4/96:20 p.m.YYZ - SFO

Nonstop5h 33mAir Canada

Wed 10/98:40 a.m.SFO - YYZ

Nonstop4h 55mAir Canada

Deal found 29/7C$ 414

Thu 28/86:00 a.m.YKF - SFO

1 stop8h 56mWestJet

Fri 5/912:50 p.m.SFO - YKF

1 stop8h 55mWestJet

Deal found 28/7C$ 394

Sat 20/96:00 a.m.YKF - SFO

1 stop8h 54mMultiple Airlines

Tue 23/910:15 a.m.SFO - YKF

2 stops16h 15mMultiple Airlines

Deal found 30/7C$ 455

Sat 13/912:25 p.m.YTZ - SFO

1 stop10h 26mMultiple Airlines

Sat 20/910:15 a.m.SFO - YTZ

2 stops22h 16mMultiple Airlines

Deal found 29/7C$ 461

Direct flights from Toronto to Sonoma
Explore direct flight options from Toronto to Sonoma based on user searches, and compare prices and availability for your desired travel dates. Data last updated 31 July 2025.

Fri 26/99:45 a.m.YYZ - SFO

Nonstop5h 38mPorter Airlines

Mon 29/91:25 p.m.SFO - YYZ

Nonstop5h 02mPorter Airlines

Deal found 29/7C$ 385

Thu 25/98:05 a.m.YYZ - SFO

Nonstop5h 28mAir Canada

Fri 26/98:40 a.m.SFO - YYZ

Nonstop4h 55mAir Canada

Deal found 29/7C$ 412

Sat 30/89:45 a.m.YYZ - SFO

Nonstop5h 38mAir Transat

Sun 7/91:25 p.m.SFO - YYZ

Nonstop5h 02mAir Transat

Deal found 30/7C$ 513

Thu 21/86:20 p.m.YYZ - SFO

Nonstop5h 33mMultiple Airlines

Thu 28/811:00 p.m.SFO - YYZ

Nonstop5h 00mMultiple Airlines

Deal found 31/7C$ 527

Last-minute flights from Toronto to Sonoma
Discover last-minute flight deals from Toronto to Sonoma. Data last updated 31 July 2025 and is based on user searches.

Wed 6/89:00 a.m.YYZ - SFO

2 stops15h 25mWestJet

Sun 24/82:45 p.m.SFO - YYZ

2 stops12h 27mWestJet

Deal found 30/7C$ 794

Thu 7/87:45 p.m.YKF - SFO

2 stops16h 45mMultiple Airlines

Mon 11/810:15 a.m.SFO - YKF

1 stop17h 55mMultiple Airlines

Deal found 29/7C$ 1,070

Fri 8/87:15 a.m.YYZ - SFO

2 stops18h 20mMultiple Airlines

Sun 7/910:15 a.m.SFO - YYZ

1 stop24h 23mMultiple Airlines

Deal found 29/7C$ 685

Fri 8/89:45 a.m.YYZ - SFO

Nonstop5h 38mPorter Airlines

Sun 7/91:25 p.m.SFO - YYZ

Nonstop5h 02mPorter Airlines

Deal found 29/7C$ 768

Fri 8/86:00 a.m.YKF - SFO

2 stops34h 59mWestJet

Wed 20/87:30 a.m.SFO - YKF

1 stop14h 16mWestJet

Deal found 30/7C$ 843

Fri 8/86:00 a.m.YHM - SFO

2 stops34h 59mWestJet

Wed 20/87:30 a.m.SFO - YHM

1 stop14h 11mWestJet

Deal found 30/7C$ 886

Fri 8/88:25 p.m.YKF - SFO

1 stop16h 05mFlair Airlines

Wed 20/810:15 a.m.SFO - YKF

1 stop17h 55mFlair Airlines

Deal found 30/7C$ 888

Sat 9/812:25 p.m.YTZ - SFO

1 stop10h 32mAir Canada

Wed 20/85:15 a.m.SFO - YTZ

2 stops12h 26mAir Canada

Deal found 29/7C$ 897

Sat 9/85:45 p.m.YHM - SFO

1 stop18h 45mMultiple Airlines

Sat 16/810:15 a.m.SFO - YHM

2 stops11h 26mMultiple Airlines

Deal found 29/7C$ 941

Sun 10/86:30 a.m.YYZ - SFO

1 stop14h 22mAmerican Airlines

Fri 22/811:50 p.m.SFO - YYZ

1 stop19h 55mAmerican Airlines

Deal found 28/7C$ 883

Sun 10/84:50 p.m.YTZ - SFO

3 stops24h 09mMultiple Airlines

Fri 22/82:45 p.m.SFO - YTZ

3 stops16h 52mMultiple Airlines

Deal found 29/7C$ 971

Mon 18/88:25 p.m.YKF - SFO

1 stop16h 05mFlair Airlines

Mon 25/810:15 a.m.SFO - YKF

1 stop17h 55mFlair Airlines

Deal found 30/7C$ 520

One-way flights from Toronto to Sonoma
Search for one-way flight options from Toronto to Sonoma. Find affordable one-way fares based on user searches. Data last updated 31 July 2025.

Thu 28/86:00 a.m.YHM - SFO

1 stop8h 56mWestJet

Deal found 30/7C$ 220

Wed 3/95:45 p.m.YHM - SFO

1 stop18h 45mMultiple Airlines

Deal found 30/7C$ 239

Tue 4/1110:00 a.m.YYZ - SFO

1 stop9h 29mMultiple Airlines

Deal found 29/7C$ 248

Fri 3/102:45 p.m.YTZ - SFO

2 stops21h 45mMultiple Airlines

Deal found 28/7C$ 249

Fri 12/96:00 a.m.YKF - SFO

1 stop8h 54mWestJet

Deal found 31/7C$ 252

Wed 27/81:30 p.m.YYZ - SFO

1 stop10h 55mWestJet

Deal found 31/7C$ 255

Wed 1/106:30 a.m.YKF - SFO

2 stops30h 00mMultiple Airlines

Deal found 30/7C$ 256

Tue 21/108:05 a.m.YYZ - SFO

Nonstop5h 28mAir Canada

Deal found 29/7C$ 256

Sat 1/112:10 p.m.YYZ - SFO

2 stops23h 20mFlair Airlines

Deal found 29/7C$ 262

Wed 20/812:25 p.m.YTZ - SFO

2 stops13h 48mAir Canada

Deal found 30/7C$ 263

Wed 1/109:45 a.m.YYZ - SFO

Nonstop5h 38mPorter Airlines

Deal found 30/7C$ 268

Sat 30/89:45 a.m.YYZ - SFO

Nonstop5h 38mAir Transat

Deal found 30/7C$ 288

Fly from

Fly to

Route

Depart

Return

Price

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Thu 4/9

6:00 a.m.-11:54 a.m.

1 stop8h 54m

San Francisco

Wed 10/9

12:50 p.m.-12:40 a.m.

1 stop8h 50m

C$ 372

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Sun 14/9

9:00 a.m.-5:14 p.m.

1 stop11h 14m

San Francisco

Fri 19/9

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

1 stop9h 47m

C$ 385

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Fri 3/10

8:05 p.m.-8:38 a.m.

1 stop15h 33m

San Francisco

Sun 12/10

10:15 a.m.-10:53 p.m.

1 stop9h 38m

C$ 386

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Fri 5/9

5:45 p.m.-9:30 a.m.

1 stop18h 45m

San Francisco

Tue 9/9

10:15 a.m.-11:59 p.m.

1 stop10h 44m

C$ 394

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Thu 28/8

6:00 a.m.-11:56 a.m.

1 stop8h 56m

San Francisco

Fri 5/9

12:50 p.m.-12:45 a.m.

1 stop8h 55m

C$ 394

TorontoSan Francisco

YTZ - SFO

YTZSFO

Toronto Island

Sat 13/9

12:25 p.m.-7:51 p.m.

1 stop10h 26m

San Francisco

Sat 20/9

8:30 a.m.-9:34 p.m.

1 stop10h 04m

C$ 401

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Thu 4/9

6:20 p.m.-8:53 p.m.

Nonstop5h 33m

San Francisco

Wed 10/9

8:40 a.m.-4:35 p.m.

Nonstop4h 55m

C$ 414

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Fri 22/8

9:45 a.m.-12:23 p.m.

Nonstop5h 38m

San Francisco

Wed 24/9

1:25 p.m.-9:27 p.m.

Nonstop5h 02m

C$ 439

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Wed 29/10

1:15 p.m.-7:55 p.m.

2 stops9h 40m

San Francisco

Fri 31/10

1:07 a.m.-10:59 a.m.

1 stop6h 52m

C$ 448

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Sat 20/9

6:00 a.m.-11:54 a.m.

1 stop8h 54m

San Francisco

Tue 23/9

10:15 a.m.-5:30 a.m.

2 stops16h 15m

C$ 455

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/7

Showing 1-10 of 26 results

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?

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 43 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 December is currently the most expensive (average of C$ 368). 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?

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?

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 evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Toronto to Sonoma

The most flights from YTO to SN9 are scheduled on a Thursday (16 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (10 on average).

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

Reviews of airlines servicing Sonoma

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

8.0

Very good

318 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

Porter Airlines

8.0

Very good

318 reviews

Porter Airlines

8.0

Very good

318 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Jul 2025

LIS - YYZ

Air Transat

7.7

Good

424 reviews

Porter Airlines

8.0

Very good

318 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Jul 2025

LIS - YYZ

United Airlines

7.4

Good

8,900 reviews

Porter Airlines

8.0

Very good

318 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Jul 2025

LIS - YYZ

American Airlines

7.2

Good

10,000 reviews

Porter Airlines

8.0

Very good

318 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Jul 2025

LIS - YYZ

WestJet

7.2

Good

2,978 reviews

Porter Airlines

8.0

Very good

318 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Jul 2025

LIS - YYZ

Related info for your journey

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$ 220 on WestJet. Other airlines that offer cheap prices include Air Canada from C$ 256 and Flair Airlines from C$ 262 one-way.
What are the most popular routes from Toronto to Sonoma?
Most travellers choose Toronto Pearson Intl - San Francisco, Hamilton - San Francisco or Toronto Region of Waterloo Intl - 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 Singapore Airlines (79%), Porter Airlines (79%) and Air Transat (79%).
What are the cheapest flights from Toronto to Sonoma?
While on average a flight from Toronto to Sonoma is generally C$ 2,350, our data shows the cheapest flight currently is C$ 271. When looking at the most popular route, (Toronto Pearson Intl - San Francisco), you can expect to pay C$ 347 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 December is currently the most expensive (average of C$ 368). 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

Top 8 airlines flying from Toronto to Sonoma

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	CheapestC$ 258	AverageC$ 694	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
WestJet	CheapestC$ 287	AverageC$ 495	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
Delta	CheapestC$ 329	AverageC$ 580	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Air Canada	CheapestC$ 330	AverageC$ 617	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Porter Airlines	CheapestC$ 349	AverageC$ 494	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights
Alaska Airlines	CheapestC$ 423	AverageC$ 667	FlexibilityNo cancel fee	On-time75%	Search Alaska Airlines flights
United Airlines	CheapestC$ 428	AverageC$ 670	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Air Transat	CheapestC$ 430	AverageC$ 513	FlexibilityNo cancel fee	On-time50%	Search Air Transat flights

Fly with Cheapflights

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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Cheap flights from Toronto to Sonoma from C$ 220

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 28/8. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Toronto to Sonoma are usually found in April or March, booked 43 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 31 July 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Toronto to Sonoma

Cheapest flights from Toronto to SonomaExplore 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 31 July 2025.

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 31 July 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Toronto to Sonoma that are best for you.

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.

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 25 July 2025.

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

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 31 July 2025.

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.

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 31 July 2025.

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

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 31 July 2025.

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.

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?

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What are the cheapest flights from Toronto to Sonoma?

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Alternative routes for Toronto to Sonoma

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Top 8 airlines flying from Toronto to Sonoma

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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 31 July 2025.