$393 Cheap Flights from San Diego (SAN) to Sudbury (YSB)

View $393 flight on Tue, Sep 9, 2025Opens in a new window

Popular airlines from San Diego Intl. Airport (SAN) to Sudbury, ON (YSB-Greater Sudbury)

Cheap Flights from San Diego to Sudbury (SAN-YSB)

Prices were available within the past 7 days and start at $393 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from San Diego (SAN) to Sudbury (YSB)
Origin airport
San Diego Intl.
Destination airport
Greater Sudbury
Distance
2135 mi

San Diego to Sudbury Flights

The cheapest times to fly from San Diego to Sudbury

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Diego to Sudbury are during the month of . You can find some of the cheapest flights from San Diego to Sudbury with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Diego to Sudbury

Sunday is one of the best days to book for cheap flights from San Diego to Sudbury: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from San Diego to Sudbury

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Diego to Sudbury in 2025. You can also book with separate airlines for your outbound and return journeys, from $393 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Diego to Sudbury flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Diego to Sudbury airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from San Diego Intl. Airport (SAN) to Greater Sudbury Airport (YSB) cost?
Secure a cheap one-way flight from $393 or cheap return flight from San Diego Intl. Airport (SAN) to Greater Sudbury Airport (YSB) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from San Diego Intl. Airport (SAN) to Greater Sudbury Airport (YSB)?
is the cheapest month to fly from SAN to YSB. Traveling during an off-peak travel window is often the key to better flight prices.
What is the cheapest airline that flies from San Diego Intl. Airport (SAN) to Greater Sudbury Airport (YSB)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest SAN to YSB flight.
How many flights per day from San Diego Intl. Airport (SAN) to Greater Sudbury Airport (YSB)?
There aren't any daily direct flights departing from San Diego Intl. Airport (SAN) to Greater Sudbury Airport (YSB). But you can choose flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from SAN to YSB?
Usually you'll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* However, this can change based on the time of year, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from San Diego Intl. Airport (SAN) to Greater Sudbury Airport (YSB)?
Opt for a flight from San Diego Intl. Airport (SAN) to Greater Sudbury Airport (YSB) that leaves before 3 PM to reduce the risk of cancellations and delays. Departures after this hour have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from San Diego Intl. Airport (SAN) to Greater Sudbury Airport (YSB) last-minute?
Waiting until just before your trip to book a ticket from SAN to YSB often results in higher prices. Although you may find some last-minute offers, they aren't always guaranteed. Keep your travel plans flexible for the best chance of snagging a bargain.
Is it cheaper to book a SAN to YSB flight and hotel package?
Compared with arranging flights and hotels separately, booking a SAN to YSB flight and hotel package with Expedia could lead to significant savings. Better yet, managing everything in one place will take the hassle out of planning your trip. Simply pick your flights and select from our wide range of hotels, then tailor your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from San Diego Intl. Airport (SAN) to Greater Sudbury Airport (YSB)?
If you booked your SAN to YSB flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more details.

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*Available to One Key members.