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 4/10. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — SFO
20 Sep — 27 Sep1
Round-trip
1 adult
Economy
Round-trip
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Montreal to Sonoma are usually found in January or March, booked 7 days in advance, depart on a Friday or Thursday and return on a Saturday
Cheap flight deals from Montreal to Sonoma
Enter your travel dates to find the best prices.
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Direct
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One-way
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 21 August 2026.
Thu 24/97:15 a.m. -
1 stop17h 40m
Mon 28/96:00 a.m. -
1 stop22h 05m
Deal found 19/8C$ 488
Fri 4/95:30 p.m. -
1 stop26h 10m
Fri 11/96:00 a.m. -
1 stop14h 45m
Deal found 19/8C$ 489
Wed 16/96:45 a.m. -
2 stops12h 55m
Mon 28/96:00 a.m. -
2 stops15h 25m
Deal found 17/8C$ 491
Sat 5/95:30 p.m. -
1 stop21h 30m
Thu 10/96:00 a.m. -
1 stop22h 05m
Deal found 19/8C$ 492
Mon 7/126:45 a.m. -
1 stop9h 00m
Tue 15/121:45 p.m. -
1 stop7h 50m
Deal found 18/8C$ 494
Thu 24/96:45 a.m. -
2 stops18h 10m
Sun 27/96:00 a.m. -
1 stop22h 05m
Deal found 19/8C$ 495
Thu 19/116:45 a.m. -
2 stops12h 05m
Mon 30/114:40 p.m. -
2 stops28h 50m
Deal found 20/8C$ 496
Wed 30/96:45 a.m. -
2 stops12h 55m
Tue 13/106:00 a.m. -
1 stop14h 45m
Deal found 17/8C$ 498
Wed 18/116:45 a.m. -
1 stop9h 00m
Tue 24/111:45 p.m. -
1 stop7h 50m
Deal found 20/8C$ 499
Sun 6/96:45 a.m. -
2 stops12h 55m
Thu 10/96:00 a.m. -
1 stop14h 45m
Deal found 17/8C$ 500
Wed 16/96:45 a.m. -
2 stops12h 55m
Wed 23/91:00 p.m. -
2 stops24h 45m
Deal found 17/8C$ 502
Wed 16/97:15 a.m. -
1 stop12h 25m
Thu 1/101:00 p.m. -
1 stop15h 05m
Deal found 16/8C$ 503
Best flights from Montreal to Sonoma
Discover carefully curated flight deals from Montreal to Sonoma that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 21 August 2026.
Fri 25/126:45 a.m. -
1 stop9h 00m
Tue 12/11:45 p.m. -
1 stop7h 50m
Deal found 17/8C$ 680
Wed 28/106:00 a.m. -
2 stops14h 05m
Sat 7/115:50 a.m. -
2 stops14h 32m
Deal found 20/8C$ 743
Wed 23/96:35 p.m. -
Nonstop6h 13m
Sun 18/1011:39 p.m. -
Nonstop5h 37m
Deal found 16/8C$ 795
Thu 24/96:35 p.m. -
Nonstop6h 13m
Sun 27/98:10 a.m. -
Nonstop5h 32m
Deal found 19/8C$ 802
Fri 25/126:45 a.m. -
1 stop9h 00m
Mon 11/11:45 p.m. -
1 stop7h 50m
Deal found 17/8C$ 680
Tue 12/16:45 a.m. -
1 stop9h 00m
Sat 23/11:45 p.m. -
1 stop7h 50m
Deal found 18/8C$ 681
Thu 22/106:00 a.m. -
2 stops14h 05m
Wed 4/116:20 a.m. -
2 stops14h 05m
Deal found 20/8C$ 797
Fri 9/106:35 p.m. -
Nonstop6h 13m
Fri 16/1011:39 p.m. -
Nonstop5h 37m
Deal found 18/8C$ 804
Thu 24/126:45 a.m. -
1 stop9h 00m
Mon 11/11:45 p.m. -
1 stop7h 50m
Deal found 17/8C$ 717
Sat 26/126:45 a.m. -
1 stop9h 00m
Sun 10/11:45 p.m. -
1 stop7h 50m
Deal found 17/8C$ 728
Sat 26/126:45 a.m. -
1 stop9h 00m
Mon 11/11:45 p.m. -
1 stop7h 50m
Deal found 18/8C$ 771
Thu 24/126:45 a.m. -
1 stop9h 00m
Sun 10/11:45 p.m. -
1 stop7h 50m
Deal found 18/8C$ 800
Direct flights from Montreal to Sonoma
Explore direct flight options from Montreal to Sonoma based on user searches, and compare prices and availability for your desired travel dates. Data last updated 21 August 2026.
Thu 17/98:10 a.m. -
Nonstop6h 07m
Tue 29/98:10 a.m. -
Nonstop5h 32m
Deal found 17/8C$ 693
Wed 16/98:10 a.m. -
Nonstop6h 07m
Mon 28/911:10 a.m. -
Nonstop5h 37m
Deal found 17/8C$ 709
Thu 10/98:10 a.m. -
Nonstop6h 07m
Wed 16/911:10 a.m. -
Nonstop5h 37m
Deal found 17/8C$ 710
Sat 21/116:00 p.m. -
Nonstop6h 33m
Fri 27/118:25 a.m. -
Nonstop5h 21m
Deal found 17/8C$ 713
Tue 20/108:10 a.m. -
Nonstop6h 07m
Sun 25/108:25 a.m. -
Nonstop5h 21m
Deal found 17/8C$ 722
Sat 5/98:10 a.m. -
Nonstop6h 11m
Mon 21/98:10 a.m. -
Nonstop5h 32m
Deal found 17/8C$ 743
Sun 11/108:10 a.m. -
Nonstop6h 07m
Sun 18/1011:10 a.m. -
Nonstop5h 37m
Deal found 17/8C$ 744
Wed 2/98:10 a.m. -
Nonstop6h 11m
Tue 8/911:10 a.m. -
Nonstop5h 37m
Deal found 17/8C$ 749
Wed 23/95:40 p.m. -
Nonstop6h 07m
Sun 27/98:10 a.m. -
Nonstop5h 32m
Deal found 19/8C$ 772
Last-minute flights from Montreal to Sonoma
Discover last-minute flight deals from Montreal to Sonoma. Data last updated 21 August 2026 and is based on user searches.
Fri 28/85:45 p.m. -
2 stops25h 55m
Wed 9/96:05 p.m. -
1 stop10h 00m
Deal found 20/8C$ 505
Fri 4/95:30 p.m. -
1 stop26h 10m
Fri 11/96:00 a.m. -
1 stop14h 45m
Deal found 19/8C$ 489
Fri 4/96:45 a.m. -
1 stop8h 30m
Fri 11/96:00 a.m. -
1 stop14h 45m
Deal found 19/8C$ 499
Sat 5/95:30 p.m. -
1 stop21h 30m
Thu 10/96:00 a.m. -
1 stop22h 05m
Deal found 19/8C$ 492
Sun 6/96:45 a.m. -
2 stops12h 55m
Thu 10/96:00 a.m. -
1 stop14h 45m
Deal found 17/8C$ 500
Wed 16/96:45 a.m. -
2 stops12h 55m
Mon 28/96:00 a.m. -
2 stops15h 25m
Deal found 17/8C$ 491
Wed 16/96:45 a.m. -
2 stops12h 55m
Wed 23/91:00 p.m. -
2 stops24h 45m
Deal found 17/8C$ 502
Wed 16/97:15 a.m. -
1 stop12h 25m
Thu 1/101:00 p.m. -
1 stop15h 05m
Deal found 16/8C$ 503
Thu 24/97:15 a.m. -
1 stop17h 40m
Mon 28/96:00 a.m. -
1 stop22h 05m
Deal found 19/8C$ 488
Thu 24/96:45 a.m. -
2 stops18h 10m
Sun 27/96:00 a.m. -
1 stop22h 05m
Deal found 19/8C$ 495
Wed 30/96:45 a.m. -
2 stops12h 55m
Tue 13/106:00 a.m. -
1 stop14h 45m
Deal found 17/8C$ 498
One-way flights from Montreal to Sonoma
Search for one-way flight options from Montreal to Sonoma. Find affordable one-way fares based on user searches. Data last updated 21 August 2026.
Sun 4/106:45 a.m. -
1 stop8h 35m
Deal found 18/8C$ 357
Mon 7/98:00 p.m. -
2 stops39h 14m
Deal found 17/8C$ 358
Wed 23/96:45 a.m. -
3 stops18h 10m
Deal found 20/8C$ 360
Fri 30/106:45 a.m. -
1 stop9h 00m
Deal found 17/8C$ 361
Thu 19/116:45 a.m. -
2 stops12h 05m
Deal found 18/8C$ 364
Tue 29/99:00 a.m. -
3 stops28h 47m
Deal found 17/8C$ 365
Fri 11/96:45 a.m. -
1 stop8h 30m
Deal found 18/8C$ 367
Mon 28/99:00 a.m. -
3 stops36h 24m
Deal found 18/8C$ 369
Sun 11/107:15 a.m. -
3 stops30h 01m
Deal found 19/8C$ 371
Fri 25/99:00 a.m. -
3 stops28h 47m
Deal found 19/8C$ 372
Mon 21/96:45 a.m. -
1 stop8h 30m
Deal found 20/8C$ 374
Find flight deals from Montreal to Sonoma
Keep the following information in mind while searching for Montreal to Sonoma flight deals. Data was last updated 21 August 2026.
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 7,457,451 searches. Data last updated 21 August 2026.
Use the filters below to find and compare flights from Montreal to Sonoma that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Cheapest round-trip
MontrealSan Francisco
YUL Montreal Pierre Elliott Trudeau Intl - SFO San Francisco
YULSFO
Montreal Pierre Elliott Trudeau Intl
Fri 25/12
6:45 a.m.-12:45 p.m.
1 stop9h 00m
San Francisco
Tue 12/1
1:45 p.m.-12:35 a.m.
1 stop7h 50m
C$ 680
MontrealSan Francisco
YUL Montreal Pierre Elliott Trudeau Intl - SFO San Francisco
YULSFO
Montreal Pierre Elliott Trudeau Intl
Fri 25/12
6:45 a.m.-12:45 p.m.
1 stop9h 00m
San Francisco
Mon 11/1
1:45 p.m.-12:35 a.m.
1 stop7h 50m
C$ 680
MontrealSan Francisco
YUL Montreal Pierre Elliott Trudeau Intl - SFO San Francisco
YULSFO
Montreal Pierre Elliott Trudeau Intl
Tue 12/1
6:45 a.m.-12:45 p.m.
1 stop9h 00m
San Francisco
Sat 23/1
1:45 p.m.-12:35 a.m.
1 stop7h 50m
C$ 681
MontrealSan Francisco
YUL Montreal Pierre Elliott Trudeau Intl - SFO San Francisco
YULSFO
Montreal Pierre Elliott Trudeau Intl
Thu 24/12
6:45 a.m.-12:45 p.m.
1 stop9h 00m
San Francisco
Mon 11/1
1:45 p.m.-12:35 a.m.
1 stop7h 50m
C$ 717
MontrealSan Francisco
YUL Montreal Pierre Elliott Trudeau Intl - SFO San Francisco
YULSFO
Montreal Pierre Elliott Trudeau Intl
Sat 26/12
6:45 a.m.-12:45 p.m.
1 stop9h 00m
San Francisco
Sun 10/1
1:45 p.m.-12:35 a.m.
1 stop7h 50m
C$ 728
MontrealSan Francisco
YUL Montreal Pierre Elliott Trudeau Intl - SFO San Francisco
YULSFO
Montreal Pierre Elliott Trudeau Intl
Wed 28/10
6:00 a.m.-5:05 p.m.
2 stops14h 05m
San Francisco
Sat 7/11
5:50 a.m.-11:22 p.m.
2 stops14h 32m
C$ 743
MontrealSan Francisco
YUL Montreal Pierre Elliott Trudeau Intl - SFO San Francisco
YULSFO
Montreal Pierre Elliott Trudeau Intl
Sat 26/12
6:45 a.m.-12:45 p.m.
1 stop9h 00m
San Francisco
Mon 11/1
1:45 p.m.-12:35 a.m.
1 stop7h 50m
C$ 771
MontrealSan Francisco
YUL Montreal Pierre Elliott Trudeau Intl - SFO San Francisco
YULSFO
Montreal Pierre Elliott Trudeau Intl
Wed 23/9
6:35 p.m.-9:48 p.m.
Nonstop6h 13m
San Francisco
Sun 18/10
11:39 p.m.-8:16 a.m.
Nonstop5h 37m
C$ 795
MontrealSan Francisco
YUL Montreal Pierre Elliott Trudeau Intl - SFO San Francisco
YULSFO
Montreal Pierre Elliott Trudeau Intl
Thu 22/10
6:00 a.m.-5:05 p.m.
2 stops14h 05m
San Francisco
Wed 4/11
6:20 a.m.-11:25 p.m.
2 stops14h 05m
C$ 797
MontrealSan Francisco
YUL Montreal Pierre Elliott Trudeau Intl - SFO San Francisco
YULSFO
Montreal Pierre Elliott Trudeau Intl
Thu 24/12
6:45 a.m.-12:45 p.m.
1 stop9h 00m
San Francisco
Sun 10/1
1:45 p.m.-12:35 a.m.
1 stop7h 50m
C$ 800
Flights are sorted by cheapest round-trip flights first.
Deals found on 20/8
Showing 1-10 of 21 resultsSorted by cheapest first
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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.
YUL-SFO
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
YMQ-SN9
YUL-SFO
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 21 August 2026.
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.
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 21 August 2026.
The most flights from YMQ to SN9 are scheduled on a Wednesday (9 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).
How much does it cost to fly round-trip from Montreal to Sonoma?
Airfare is below average for this route at the moment.
Montreal to Sonoma flights typically cost between C$ 617 and C$ 836 in September.The cheapest round-trip price found within the last 5 days was C$ 488 on WestJet (24 Sep-28 Sep).
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 21 August 2026.
Read reviews from past customers who have flown Porter Airlines,United Airlines, andWestJet
from Montreal to Sonoma. 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.
My first flight with an all female flight crew who were the best ever.
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.
How long is the flight from Montreal to Sonoma?
Airlines like Porter Airlines fly from Montreal to Sonoma in about 9h. The time it takes to get you to your destination can typically vary by up to . There are 4073 km between Montreal and Sonoma.
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$ 250. However, be on the lookout for offers from Air Canada and United Airlines, 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 Air New Zealand (56%), Air Canada (52%) or United Airlines (52%) 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$ 428. While the most popular route (Montreal Pierre Elliott Trudeau Intl - San Francisco) can be booked for C$ 434 on average, our data indicates C$ 1,908 when flying 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.
Discover the top 5 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 7,457,451 searches. Data last updated 21 August 2026.
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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