$398 Find Cheap Flights from San Francisco to Sudbury - Compare and Save

Only Economy Class is available on flights from San Francisco to Sudbury.

There are currently no nonstop flights available from San Francisco to Sudbury. Flights with 1 layover take between 9h 50m and 26h 34m in total, depending on the connection.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Round-trip flights from San Francisco to Sudbury range from $639 to $905, with an average of $650 over the past 12 months. Anything below $639 counts as a good deal.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $398 to $845. That means the highest observed fare was about 2x higher than the lowest one.

Flights from San Francisco to Sudbury usually depart from San Francisco (SFO) and arrive at Sudbury (YSB).

Connecting flights from San Francisco to Sudbury most commonly pass through:

• Toronto Pearson Intl (YYZ) - 94% of one-stop connections
• Calgary (YYC) - 6% of one-stop connections

Yes. Flexible dates can save you up to 56% on flights from San Francisco to Sudbury. Wednesday is the cheapest departure day at $639 round-trip on average, while Monday is the most expensive at $1,449, a difference of $810.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Flying via Toronto Pearson Intl (YYZ) gives the shortest average 1-stop total travel time at 9h 50m, compared with 26h 34m via Calgary (YYC).

Sudbury is 3 hours ahead of San Francisco (Eastern Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.