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C$ 201+ Cheap flights to Sonoma

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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
— SFO
15 Oct — 22 Oct1
1 adult
1 adult, Economy

Flights to Sonoma in 2025

Find the latest flights to Sonoma in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 629,999 searches and data was last updated on 15 September 2025.

Round-trip from

C$ 338

One-way from

C$ 201

Popular in

December

Cheapest in

April

Average price

C$ 570
WestJet
  • WestJet
  • 6/10-12/10
  • 2 total stops
  • 17h 44m total
  • Toronto to San Francisco
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WestJet
  • WestJet
  • 7/10
  • 1 total stop
  • 8h 54m total
  • Toronto to Sonoma
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Highest demand for flights based on searches. 6% potential increase in price (C$ 46 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 20 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals to Sonoma

Cheapest flights to Sonoma
Explore the most affordable flight options available to Sonoma. Find the lowest fares based on data from user searches, with prices last updated on 15 September 2025.

Mon 6/106:00 a.m.YHM - SFO
1 stop8h 54mWestJet
Sun 12/1012:50 p.m.SFO - YHM
1 stop8h 50mWestJet
Deal found 14/9C$ 338
Tue 7/106:00 a.m.YHM - SFO
1 stop8h 54mWestJet
Thu 9/1012:50 p.m.SFO - YHM
1 stop8h 50mWestJet
Deal found 14/9C$ 347
Fri 17/106:00 a.m.YHM - SFO
1 stop8h 54mWestJet
Fri 24/1012:50 p.m.SFO - YHM
1 stop8h 50mWestJet
Deal found 13/9C$ 353
Mon 6/106:00 a.m.YHM - SFO
1 stop8h 54mWestJet
Thu 9/1012:50 p.m.SFO - YHM
1 stop8h 50mWestJet
Deal found 13/9C$ 354
Wed 1/106:00 a.m.YHM - SFO
1 stop8h 54mWestJet
Wed 8/1012:50 p.m.SFO - YHM
1 stop8h 50mWestJet
Deal found 14/9C$ 358
Wed 1/106:00 a.m.YHM - SFO
1 stop8h 54mWestJet
Thu 2/1012:50 p.m.SFO - YHM
1 stop8h 50mWestJet
Deal found 13/9C$ 361
Tue 30/96:00 a.m.YHM - SFO
1 stop8h 54mWestJet
Wed 1/1012:50 p.m.SFO - YHM
1 stop8h 50mWestJet
Deal found 15/9C$ 363
Tue 30/96:00 a.m.YHM - SFO
1 stop8h 54mWestJet
Tue 7/1012:50 p.m.SFO - YHM
1 stop8h 50mWestJet
Deal found 14/9C$ 370
Fri 24/106:00 a.m.YHM - SFO
1 stop8h 54mWestJet
Tue 28/101:00 p.m.SFO - YHM
1 stop25h 17mWestJet
Deal found 14/9C$ 376
Wed 22/102:55 p.m.YHM - SFO
2 stops21h 35mMultiple Airlines
Sat 25/1010:15 a.m.SFO - YHM
1 stop10h 44mMultiple Airlines
Deal found 13/9C$ 381
Mon 6/109:45 a.m.YYZ - SFO
Nonstop5h 38mMultiple Airlines
Sun 12/1010:15 a.m.SFO - YYZ
1 stop11h 28mMultiple Airlines
Deal found 14/9C$ 381
Sun 26/109:45 a.m.YYZ - SFO
Nonstop5h 55mPorter Airlines
Sat 1/111:40 p.m.SFO - YYZ
Nonstop4h 57mPorter Airlines
Deal found 15/9C$ 382

Cheapflights Fare Finder

 
Locate flights to Sonoma that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 629,999 searches and data was last updated on 15 September 2025.
Use the filters below to find and compare flights to Sonoma that are best for you.

Fly from

Toronto

Route

Depart

Return

Price

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Mon 6/10

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

1 stop8h 54m

San Francisco

Sun 12/10

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

1 stop8h 50m

C$ 338

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Tue 7/10

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

1 stop8h 54m

San Francisco

Thu 9/10

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

1 stop8h 50m

C$ 347

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Wed 1/10

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

1 stop8h 54m

San Francisco

Wed 8/10

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

1 stop8h 50m

C$ 358

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Wed 15/10

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

1 stop8h 54m

San Francisco

Wed 22/10

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

1 stop8h 50m

C$ 363

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Fri 24/10

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

1 stop8h 54m

San Francisco

Tue 28/10

1:00 p.m.-5:17 p.m.

1 stop25h 17m

C$ 376

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Fri 17/10

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

1 stop8h 54m

San Francisco

Thu 23/10

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

1 stop8h 55m

C$ 393

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Wed 1/10

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

1 stop8h 54m

San Francisco

Sun 5/10

7:30 a.m.-12:40 a.m.

1 stop14h 10m

C$ 397

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Mon 29/9

6:00 a.m.-1:57 p.m.

2 stops10h 57m

San Francisco

Mon 6/10

7:30 a.m.-12:45 a.m.

1 stop14h 15m

C$ 408

TorontoSan Francisco

YTZ - SFO

YTZSFO

Toronto Island

Wed 29/10

3:30 p.m.-9:22 p.m.

1 stop8h 52m

San Francisco

Wed 5/11

8:25 a.m.-9:35 p.m.

1 stop10h 10m

C$ 419

TorontoSan Francisco

YTZ - SFO

YTZSFO

Toronto Island

Sat 15/11

3:30 p.m.-9:22 p.m.

1 stop8h 52m

San Francisco

Wed 14/1

8:25 a.m.-7:55 p.m.

1 stop8h 30m

C$ 425

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/9

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

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

When is the best time to book a flight 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 12 September 2025.

To ensure you get the cheapest price possible for a flight to Sonoma, you should look to book at least 68 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

How long is the flight to Sonoma?

On average, a flight from Toronto to Sonoma takes 8 hours 4 minutes. Flights to Sonoma from other popular cities in Canada will vary in length. Below are a few examples of popular routes and their flight times.

When is the cheapest time to fly 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.

Users looking for the lowest fares to Sonoma should consider flying on Thursday at noon, when prices are typically cheapest. Budget-minded travellers will want to avoid Sunday at noon, when prices are usually at their highest.

Weekly flight availability to Sonoma

The most flights from Toronto to Sonoma are scheduled on a Wednesday (21 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (16 on average).

What are the most popular airlines that fly to Sonoma?

The most popular airlines flying from Toronto to Sonoma are Air Canada, Porter Airlines and WestJet.

Air Canada
Air Canada
From C$ 119
WestJet
WestJet
From C$ 102
Porter Airlines
Porter Airlines
From C$ 182
United Airlines
United Airlines
From C$ 114

What are the cheapest airlines that fly to Sonoma?

The cheapest airlines flying from Toronto to Sonoma are American Airlines, WestJet and Delta.

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 September 2025.
Read through reviews of airlines serving the United States, such as Porter Airlines,Air Transat, andUnited Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
7.9
Good
363 reviews
Check prices

Comfort

7.9

Food

7.6

Overall

7.9

Entertainment

7.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Porter Airlines
7.9
Good
363 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Comfort

7.9

Food

7.6

Overall

7.9

Entertainment

7.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Transat
7.7
Good
438 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Comfort

7.9

Food

7.6

Overall

7.9

Entertainment

7.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
United Airlines
7.4
Good
8,929 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Comfort

7.9

Food

7.6

Overall

7.9

Entertainment

7.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
WestJet
7.2
Good
3,091 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Comfort

7.9

Food

7.6

Overall

7.9

Entertainment

7.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Canada
7.1
Good
10,000 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Comfort

7.9

Food

7.6

Overall

7.9

Entertainment

7.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

FAQs about flying to Sonoma

  • Can I find cheaper flights to Sonoma if I am willing to have layovers?

    Yes, flights with layovers are often cheaper than direct flights. Keep an eye out for flight deals to Sonoma on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Sonoma?

    Based on reviews from Cheapflights users, Flair Airlines is rated the highest out of the airlines that fly to Sonoma.

  • How much is a round-trip flight to Sonoma?

    A round-trip flight to Sonoma will typically cost around C$ 332, however they can be found for as little as C$ 96.

  • Where does the fastest flight to Sonoma depart from?

    For those looking to save time traveling to Sonoma, Vancouver offers the quickest one-way flight (2 hours 23 minutes).

  • Does San Francisco have rental cars?

    Yes. Those touching down at San Francisco can take advantage of the rental car services offered upon their arrival.

  • Are there hotels close to San Francisco?

    Yes. San Francisco has hotels nearby for those requiring accommodations. Grand Hyatt At Sfo is the closest property to San Francisco (1.6 km away from San Francisco).

See more FAQs

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