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Cheap flights from Montreal to Sonoma from C$ 222

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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — SFO
22 Apr — 29 Apr1
1 adult

Cheapflights Tip: The best prices from Montreal to Sonoma are usually found in March or January, booked 89 days in advance, depart on a Friday or Thursday and return on a Friday

Cheap flight deals from Montreal to Sonoma

Keep the following information in mind while searching for Montreal to Sonoma flight deals. Data was last updated 17 April 2025.

Round-trip from

C$ 351

One-way from

C$ 222

Popular in

December

Cheapest in

March

Average price

C$ 580
Porter Airlines
  • Porter Airlines
  • 1/5-7/5
  • 2 total stops
  • 16h 52m total
  • Montreal to Sonoma
Search Deals
Porter Airlines
  • Porter Airlines
  • 12/6
  • 1 total stop
  • 8h 45m total
  • Montreal to Sonoma
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 49 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Montreal to Sonoma

Cheapest flights from Montreal to Sonoma
Explore the most affordable flight options available from Montreal to Sonoma. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 April 2025.

Sat 10/56:45 a.m.YUL - SFO
1 stop8h 45mPorter Airlines
Mon 26/51:30 p.m.SFO - YUL
1 stop8h 07mPorter Airlines
Deal found 16/4C$ 355
Fri 25/76:45 a.m.YUL - SFO
2 stops13h 30mWestJet
Wed 6/812:50 p.m.SFO - YUL
1 stop8h 53mWestJet
Deal found 16/4C$ 356
Sat 10/59:40 a.m.YUL - SFO
2 stops14h 22mAir Canada
Mon 26/57:40 p.m.SFO - YUL
1 stop9h 05mAir Canada
Deal found 16/4C$ 360
Thu 1/54:30 p.m.YUL - SFO
Nonstop6h 25mUnited Airlines
Wed 7/511:12 a.m.SFO - YUL
1 stop9h 14mUnited Airlines
Deal found 17/4C$ 377
Thu 1/58:10 a.m.YUL - SFO
Nonstop6h 25mLufthansa
Wed 7/58:15 a.m.SFO - YUL
Nonstop5h 40mLufthansa
Deal found 17/4C$ 391
Mon 9/66:45 a.m.YUL - SFO
2 stops13h 30mMultiple Airlines
Tue 10/61:30 p.m.SFO - YUL
1 stop8h 07mMultiple Airlines
Deal found 17/4C$ 401
Thu 1/53:44 p.m.YUL - SFO
1 stop9h 52mAmerican Airlines
Fri 22/812:44 a.m.SFO - YUL
2 stops12h 56mAmerican Airlines
Deal found 17/4C$ 435
Wed 14/55:05 p.m.YUL - SFO
1 stop8h 33mDelta
Wed 21/512:50 p.m.SFO - YUL
1 stop8h 53mDelta
Deal found 16/4C$ 513

Cheapflights Fare Finder

Customize your flight search to find flights from Montreal 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 17 April 2025.
Use the filters below to find and compare flights from Montreal to Sonoma that are best for you.

Fly from

Montreal

Fly to

Sonoma

Route

Depart

Return

Price

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Thu 1/5

6:45 a.m.-12:30 p.m.

1 stop8h 45m

San Francisco

Wed 7/5

1:30 p.m.-12:37 a.m.

1 stop8h 07m

C$ 351

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Sat 10/5

9:40 a.m.-9:02 p.m.

2 stops14h 22m

San Francisco

Mon 26/5

7:40 p.m.-7:45 a.m.

1 stop9h 05m

C$ 360

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Mon 2/6

6:45 a.m.-5:15 p.m.

2 stops13h 30m

San Francisco

Wed 4/6

12:50 p.m.-12:43 a.m.

1 stop8h 53m

C$ 366

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Thu 1/5

4:30 p.m.-7:55 p.m.

Nonstop6h 25m

San Francisco

Wed 7/5

11:12 a.m.-11:26 p.m.

1 stop9h 14m

C$ 377

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Thu 1/5

8:10 a.m.-11:35 a.m.

Nonstop6h 25m

San Francisco

Wed 7/5

8:15 a.m.-4:55 p.m.

Nonstop5h 40m

C$ 391

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Mon 9/6

6:45 a.m.-5:15 p.m.

2 stops13h 30m

San Francisco

Tue 10/6

1:30 p.m.-12:37 a.m.

1 stop8h 07m

C$ 401

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Mon 19/5

6:00 a.m.-10:33 a.m.

1 stop7h 33m

San Francisco

Tue 27/5

11:59 p.m.-11:39 a.m.

1 stop8h 40m

C$ 440

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Sun 18/5

7:47 a.m.-12:22 a.m.

2 stops19h 35m

San Francisco

Wed 28/5

6:30 p.m.-12:21 p.m.

2 stops14h 51m

C$ 476

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Thu 12/6

6:45 a.m.-12:30 p.m.

1 stop8h 45m

C$ 222

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Tue 6/5

9:10 a.m.-3:35 p.m.

1 stop9h 25m

C$ 226

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/4

Showing 1-10 of 15 results
1
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Best time to book a flight from Montreal to Sonoma

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

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

Currently, January is the cheapest month in which you can book a flight from Montreal to Sonoma (average of C$ 276). Flying from Montreal 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 YMQ to SN9?

Find hourly flight availability from Montreal 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 17 April 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Montreal to Sonoma as you normally would.

What is the cheapest day to fly from Montreal to Sonoma?

Use this chart to determine the cheapest time to fly round-trip from Montreal to Sonoma. Price data was last updated on 16 December 2024.

Travelers seeking maximum savings on their Montreal to Sonoma flight should consider departing on Tuesday evenings 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 Montreal to Sonoma

Explore weekly flight availability from Montreal 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 17 April 2025.

The most flights from YMQ to SN9 are scheduled on a Monday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 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 17 April 2025.
Read through reviews of airlines operating flights from Montreal to Sonoma, such as Porter Airlines, Delta and United Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
281 reviews
Check prices

Overall

8.0

Food

7.6

Boarding

8.2

Comfort

8.0

Entertainment

7.0

Crew

8.7

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
Porter Airlines
8.0
Very good
281 reviews
Porter Airlines
8.0
Very good
281 reviews
Check prices

Overall

8.0

Food

7.6

Boarding

8.2

Comfort

8.0

Entertainment

7.0

Crew

8.7

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
Delta
8.0
Very good
7,916 reviews
Porter Airlines
8.0
Very good
281 reviews
Check prices

Overall

8.0

Food

7.6

Boarding

8.2

Comfort

8.0

Entertainment

7.0

Crew

8.7

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
United Airlines
7.4
Good
8,667 reviews
Porter Airlines
8.0
Very good
281 reviews
Check prices

Overall

8.0

Food

7.6

Boarding

8.2

Comfort

8.0

Entertainment

7.0

Crew

8.7

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
American Airlines
7.2
Good
10,000 reviews
Porter Airlines
8.0
Very good
281 reviews
Check prices

Overall

8.0

Food

7.6

Boarding

8.2

Comfort

8.0

Entertainment

7.0

Crew

8.7

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
WestJet
7.2
Good
2,809 reviews
Porter Airlines
8.0
Very good
281 reviews
Check prices

Overall

8.0

Food

7.6

Boarding

8.2

Comfort

8.0

Entertainment

7.0

Crew

8.7

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?

Related info for your journey

Find useful and relevant information for your journey from Montreal 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 Montreal to Sonoma one-way?

    The cheapest airline one-way is Porter Airlines, with whom users have recently found tickets for as low as C$ 222. However, be on the lookout for offers from Air Canada and WestJet, as they are both options that can get you from Montreal to Sonoma for a low price.

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

    Consider Brussels Airlines (75%), Air Canada (75%) or United Airlines (75%) when booking your flight. These represent the most reliable airlines when flying from Montreal to Sonoma.

  • What are the cheapest flights from Montreal to Sonoma?

    Looking at all options, your cheapest flight can be booked for C$ 232. While the most popular route (Montreal Pierre Elliott Trudeau Intl - San Francisco) can be booked for C$ 327 on average our data indicates C$ 1,767 when flying from Montreal to Sonoma.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Montreal to Sonoma (average of C$ 276). Flying from Montreal 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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Alternative routes for Montreal to Sonoma

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Montreal to Sonoma

Discover the top 7 airlines that operate flights from Montreal 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 17 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 315AverageC$ 470FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
WestJetCheapestC$ 333AverageC$ 435FlexibilityNo cancel feeOn-time60%
Search WestJet flights
DeltaCheapestC$ 345AverageC$ 578FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapestC$ 356AverageC$ 632FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapestC$ 383AverageC$ 621FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 390AverageC$ 662FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air TransatCheapestC$ 507AverageC$ 593FlexibilityNo cancel feeOn-time50%
Search Air Transat 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 Montreal to Sonoma?

Cheapflights helps you search for flights from Montreal to Sonoma via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Sonoma from Montreal.

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

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

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

Not ready to book yet? You can track prices for flights from Montreal to Sonoma on Cheapflights with our Price Alert feature and get notified when better prices are available.

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