$569+ Cheap flights from San Diego (SAN) 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 5/25. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — YSB
Jan 11 — Jan 181
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
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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 Diego to Sudbury
Best flights from San Diego to SudburyDiscover carefully curated flight deals from San Diego to Sudbury that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.
Discover carefully curated flight deals from San Diego to Sudbury that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.
This Air Canada deal was found by Cheapflights users on 12/11. 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.
Mon 5/258:15 amSAN - YSB
2 stops21h 50mAir Canada
Wed 5/279:45 amYSB - SAN
2 stops14h 05mAir Canada
Deal found 12/11![Air Canada logo]()
$569
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Mon 5/2510:30 pmSAN - YSB
2 stops13h 47mUnited Airlines
Wed 5/277:55 pmYSB - SAN
3 stops27h 31mUnited Airlines
Deal found 12/10![United Airlines logo]()
$696
Find flight deals from San Diego to Sudbury
Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) 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 December 12, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $569 (Air Canada) |
Cheapflights Fare Finder
Customize your flight search to find flights from San Diego 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 December 12, 2025.
Use the filters below to find and compare flights from San Diego to Sudbury that are best for you.
Fly from
San Diego
Fly to
Sudbury
Route
Depart
Return
Price
San DiegoSudbury
SAN - YSB
SANYSB
San Diego
Mon 5/25
8:15 am-9:05 am
2 stops21h 50m
Sudbury
Wed 5/27
9:45 am-8:50 pm
2 stops14h 05m
$569
San DiegoSudbury
SAN - YSB
SANYSB
San Diego
Mon 5/25
10:30 pm-3:17 pm
2 stops13h 47m
Sudbury
Wed 5/27
7:55 pm-8:26 pm
3 stops27h 31m
$696
Compare providers for flights from San Diego to Sudbury
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Diego to Sudbury in December.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star |
- Most accurate provider: When it comes to deals on San Diego-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 Diego-Sudbury, Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Diego-Sudbury, Ontario flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Diego-Sudbury, Ontario flights, Cheapflights users trust Expedia the most. Expedia 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 Diego-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 Diego to Sudbury
Have a flexible travel schedule? Discover the best time to fly to Sudbury from San Diego 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.