Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Toronto to Sonoma from C$ 245

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 15/6. Fares are subject to change and may not be available on all flights or dates of travel.
YTO — SFO
5 Jun — 12 Jun1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Toronto to Sonoma are usually found in November or October, booked 81 days in advance, depart on a Friday or Thursday and return on a Thursday

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 6 May 2026.

Thu 13/86:15 a.m.
YYZ
-
SFO
1 stop8h 45m
WestJet
Thu 27/86:05 p.m.
SFO
-
YYZ
1 stop8h 40m
WestJet
Deal found 2/5C$ 394
Thu 13/812:00 p.m.
YYZ
-
SFO
2 stops12h 55m
WestJet
Mon 17/86:00 a.m.
SFO
-
YYZ
1 stop8h 10m
WestJet
Deal found 1/5C$ 395
Thu 23/76:15 a.m.
YYZ
-
SFO
1 stop8h 45m
WestJet
Mon 27/71:00 p.m.
SFO
-
YYZ
1 stop9h 05m
WestJet
Deal found 4/5C$ 396
Thu 13/83:50 p.m.
YYZ
-
SFO
1 stop9h 05m
WestJet
Thu 20/81:00 p.m.
SFO
-
YYZ
1 stop9h 05m
WestJet
Deal found 1/5C$ 398
Mon 13/710:25 p.m.
YYZ
-
SFO
1 stop21h 15m
WestJet
Sun 19/76:05 p.m.
SFO
-
YYZ
1 stop9h 50m
WestJet
Deal found 2/5C$ 399
Mon 20/73:50 p.m.
YYZ
-
SFO
1 stop9h 05m
WestJet
Sun 26/76:05 p.m.
SFO
-
YYZ
1 stop9h 50m
WestJet
Deal found 2/5C$ 400
Wed 8/72:50 p.m.
YYZ
-
SFO
1 stop10h 05m
WestJet
Mon 20/76:00 a.m.
SFO
-
YYZ
2 stops10h 55m
WestJet
Deal found 1/5C$ 402
Thu 11/612:40 p.m.
YYZ
-
SFO
2 stops12h 15m
WestJet
Thu 25/61:00 p.m.
SFO
-
YYZ
1 stop8h 10m
WestJet
Deal found 2/5C$ 403
Thu 11/69:00 a.m.
YYZ
-
SFO
1 stop10h 40m
WestJet
Mon 15/66:05 p.m.
SFO
-
YYZ
1 stop9h 50m
WestJet
Deal found 1/5C$ 404
Tue 30/63:50 p.m.
YYZ
-
SFO
1 stop9h 05m
WestJet
Sat 25/76:00 a.m.
SFO
-
YYZ
2 stops10h 55m
WestJet
Deal found 2/5C$ 406
Thu 16/710:50 a.m.
YYZ
-
SFO
1 stop8h 50m
WestJet
Mon 3/86:00 a.m.
SFO
-
YYZ
2 stops12h 35m
WestJet
Deal found 3/5C$ 407
Wed 12/82:30 p.m.
YYZ
-
SFO
2 stops10h 25m
WestJet
Mon 17/86:00 a.m.
SFO
-
YYZ
1 stop8h 10m
WestJet
Deal found 1/5C$ 409

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 6 May 2026.

Round-trip from

C$ 394

One-way from

C$ 245

Popular in

December

Cheapest in

November

Average price

C$ 513
WestJet
  • WestJet
  • 24/7-27/7
  • 4 total stops
  • 24h 50m total
  • Toronto to Sonoma
Search Deals
WestJet
  • WestJet
  • 16/6
  • 1 total stop
  • 8h 45m 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. 1% potential price decrease (C$ 13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 6 May 2026.
Use the filters below to find and compare flights from Toronto to Sonoma that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Fri 29/5

11:29 a.m.-9:04 p.m.

1 stop12h 35m

San Francisco

Wed 3/6

5:40 a.m.-4:35 p.m.

1 stop7h 55m

C$ 426

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Fri 25/9

6:10 p.m.-12:00 p.m.

1 stop20h 50m

San Francisco

Wed 30/9

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

1 stop8h 15m

C$ 470
Quickest round-trip

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Thu 24/9

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

Nonstop5h 35m

San Francisco

Mon 28/9

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

Nonstop5h 05m

C$ 470

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Tue 8/9

8:40 p.m.-9:55 p.m.

1 stop28h 15m

San Francisco

Sat 12/9

6:00 a.m.-7:50 p.m.

1 stop10h 50m

C$ 485

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Fri 25/9

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

1 stop18h 20m

San Francisco

Wed 30/9

6:00 a.m.-7:50 p.m.

1 stop10h 50m

C$ 486

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Sat 29/8

6:10 p.m.-4:40 p.m.

1 stop25h 30m

San Francisco

Mon 7/9

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

1 stop8h 15m

C$ 501

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Mon 20/7

8:40 p.m.-9:55 p.m.

1 stop28h 15m

San Francisco

Sun 26/7

6:05 p.m.-7:50 p.m.

1 stop22h 45m

C$ 520

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Tue 16/6

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

1 stop23h 00m

San Francisco

Sun 21/6

6:00 a.m.-7:50 p.m.

1 stop10h 50m

C$ 530

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Tue 26/5

5:45 p.m.-12:27 a.m.

1 stop9h 42m

San Francisco

Wed 17/6

6:00 a.m.-9:59 p.m.

1 stop12h 59m

C$ 531

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Tue 22/9

6:10 p.m.-12:00 p.m.

1 stop20h 50m

San Francisco

Wed 30/9

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

1 stop8h 15m

C$ 534

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/5

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

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

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 6 May 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 43% 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 2 May 2026.

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 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 6 May 2026.

The most flights from YTO to SN9 are scheduled on a Monday (19 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (18 on average).

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 6 May 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
8.0
Very good
436 reviews
Check prices

Food

7.6

Crew

8.6

Boarding

8.2

Overall

8.0

Comfort

8.0

Entertainment

7.0

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
436 reviews
Porter Airlines
8.0
Very good
436 reviews
Check prices

Food

7.6

Crew

8.6

Boarding

8.2

Overall

8.0

Comfort

8.0

Entertainment

7.0

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
7.8
Good
548 reviews
Porter Airlines
8.0
Very good
436 reviews
Check prices

Food

7.6

Crew

8.6

Boarding

8.2

Overall

8.0

Comfort

8.0

Entertainment

7.0

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
9,684 reviews
Porter Airlines
8.0
Very good
436 reviews
Check prices

Food

7.6

Crew

8.6

Boarding

8.2

Overall

8.0

Comfort

8.0

Entertainment

7.0

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
3,331 reviews
Porter Airlines
8.0
Very good
436 reviews
Check prices

Food

7.6

Crew

8.6

Boarding

8.2

Overall

8.0

Comfort

8.0

Entertainment

7.0

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
11,000 reviews
Porter Airlines
8.0
Very good
436 reviews
Check prices

Food

7.6

Crew

8.6

Boarding

8.2

Overall

8.0

Comfort

8.0

Entertainment

7.0

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 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 5h 35m. 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$ 192 on WestJet. Other airlines that offer cheap prices include Porter Airlines from C$ 209 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 (75%), Porter Airlines (75%) and Air Transat (75%).

  • What are the cheapest flights from Toronto to Sonoma?

    While on average a flight from Toronto to Sonoma is generally C$ 1,315, our data shows the cheapest flight currently is C$ 238. When looking at the most popular route, (Toronto Pearson Intl - San Francisco), you can expect to pay C$ 315 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.

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 Toronto to Sonoma

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

Top 8 airlines flying from Toronto to Sonoma

Discover the top 8 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 6 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Flair AirlinesCheapestC$ 114AverageC$ 466FlexibilityNo cancel feeOn-timeN/A
Search Flair Airlines flights
DeltaCheapestC$ 234AverageC$ 535FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapestC$ 274AverageC$ 713FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
WestJetCheapestC$ 283AverageC$ 378FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Porter AirlinesCheapestC$ 307AverageC$ 487FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 327AverageC$ 644FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air TransatCheapestC$ 375AverageC$ 585FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
United AirlinesCheapestC$ 433AverageC$ 651FlexibilityNo 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.

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.