$582+ Cheap flights from San Francisco (SFO) to Sudbury, ON (YSB)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/13. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — YSB
May 5 — May 121
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from San Francisco to Sudbury
Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Sudbury (YSB). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 30, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 2 stars |
Round-trip from | $582 (United Airlines) |
Find flight deals from San Francisco to Sudbury
Cheapest flights from San Francisco to SudburyExplore the most affordable flight options available from San Francisco to Sudbury. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2025.
Explore the most affordable flight options available from San Francisco to Sudbury. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2025.
This United Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/138:45 pmSFO - YSB
2 stops15h 32mUnited Airlines
Fri 6/203:55 pmYSB - SFO
1 stop8h 58mUnited Airlines
Deal found 4/29![United Airlines logo]()
$582
This Air Canada deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/117:40 pmSFO - YSB
2 stops10h 27mAir Canada
Mon 5/123:55 pmYSB - SFO
1 stop8h 07mAir Canada
Deal found 4/28![Air Canada logo]()
$745
Cheapflights Fare Finder
Customize your flight search to find flights from San Francisco to Sudbury 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 2,558,603 searches. Data last updated April 30, 2025.
Use the filters below to find and compare flights from San Francisco to Sudbury that are best for you.
Fly from
San Francisco
Fly to
Sudbury
Route
Depart
Return
Price
San FranciscoSudbury
SFO - YSB
SFOYSB
San Francisco
Fri 6/13
8:45 pm-3:17 pm
2 stops15h 32m
Sudbury
Fri 6/20
3:55 pm-9:53 pm
1 stop8h 58m
$582
San FranciscoSudbury
SFO - YSB
SFOYSB
San Francisco
Sun 5/11
7:40 pm-9:07 am
2 stops10h 27m
Sudbury
Mon 5/12
3:55 pm-9:02 pm
1 stop8h 07m
$745
- Most accurate provider: When it comes to deals on San Francisco-Sudbury, Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-Sudbury, Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-Sudbury, Ontario flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Francisco-Sudbury, Ontario flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Francisco-Sudbury, Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from San Francisco to Sudbury
Have a flexible travel schedule? Discover the best time to fly to Sudbury from San Francisco 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 San Francisco to Sudbury
Rainfall in Sudbury by month
Plan your trip to Sudbury by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Sudbury, Ontario ranges from 2.0 - 4.0 inches per month. September is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Sudbury, Ontario when rainfall is around 2.0 in.
Temperature in Sudbury by month
Plan your trip to Sudbury by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Sudbury, Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 6.8 F).
Reviews of airlines servicing Sudbury
Get insights into the airlines that provide service to Sudbury. 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 Sudbury. Reviews last updated April 30, 2025.
Entertainment
7.1
Boarding
7.7
Comfort
7.3
Food
6.6
Crew
8.1
Overall
7.4
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Entertainment
7.1
Boarding
7.7
Comfort
7.3
Food
6.6
Crew
8.1
Overall
7.4
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE