$536+ 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 4/17. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — YSB
Feb 11 — Feb 181
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from San Diego to Sudbury with Cheapflights
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 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 January 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $536 (Air Canada) |
Find flight deals from San Diego to Sudbury
Cheapest flights from San Diego to SudburyExplore the most affordable flight options available from San Diego to Sudbury. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 12, 2026.
Explore the most affordable flight options available from San Diego to Sudbury. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 12, 2026.
This Air Canada deal was found by Cheapflights users on 1/11. 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.
Fri 4/171:10 pm
SAN
- YSB
1 stop16h 56m
Air Canada
Tue 4/217:55 pm
YSB
- SAN
2 stops19h 05m
Air Canada
Deal found 1/11![Air Canada logo]()
$536
This United Airlines deal was found by Cheapflights users on 1/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/178:39 pm
SAN
- YSB
2 stops9h 27m
United Airlines
Tue 4/219:45 am
YSB
- SAN
3 stops13h 54m
United Airlines
Deal found 1/11![United Airlines logo]()
$594
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 January 12, 2026.
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
Fri 4/17
6:10 pm-3:16 pm
2 stops18h 06m
Sudbury
Tue 4/21
7:55 pm-12:00 pm
2 stops19h 05m
$536
San DiegoSudbury
SAN - YSB
SANYSB
San Diego
Fri 4/17
10:40 pm-3:16 pm
2 stops13h 36m
Sudbury
Tue 4/21
9:45 am-8:39 pm
3 stops13h 54m
$594
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 January.
| 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.