CA $460 Cheap Flights from Seattle (SEA) to Sudbury (YSB)

View CA $460 flight on Sat, Oct. 18, 2025Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Sudbury, ON (YSB-Greater Sudbury)

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Cheap flights from Seattle (SEA) to Sudbury (YSB)

Prices were available within the past 7 days and start at CA $460 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flight from Seattle to Sudbury (SEA - YSB) route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Greater Sudbury
Distance
3091 km

Seattle to Sudbury Flights

The easy way to book your flights from Seattle to Sudbury 

With Expedia, it’s simple to find and book flights to Sudbury from Seattle whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 7 airlines that cover this route. There are nonstop flights to Greater Sudbury, too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Seattle to Sudbury today, tomorrow, or this week.  

 

Save dollars with cheap flights from Seattle - Tacoma Intl., SEA to Greater Sudbury, YSB 

Sort your search results by price to find great deals on your flight from Seattle to Sudbury—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Sudbury from Seattle currently is just rising to .  

Here are more money-saving tips: 

  • Fly in when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Sudbury  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Sudbury from Seattle 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Sudbury with Expedia today.

Frequently asked questions

How much is a flight from Sea-Tac Airport to YSB?
Round-trip tickets from Sea-Tac Airport to Sudbury Airport start from . This figure is based on fares offered within the last 7 days on Expedia for flights departing within the next year — book today to avoid missing out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Seattle - Tacoma Intl. Airport (SEA) to Greater Sudbury Airport (YSB)?
This differs between air carriers, as each one has its own set of terms and conditions. Visit the Customer Service Portal, where you'll find instructions on how to cancel your flight online.
How do I find cheap flights from Sea-Tac Airport to Greater Sudbury Airport (YSB) that have flexible change policies?
Plenty of airlines will allow you to reschedule your flight without a change fee. All you pay is the fare difference. When searching for SEA to Greater Sudbury Airport (YSB) flights, you'll find a "No change fees" filter for you to tick.
How many hours is the flight from Sea-Tac Airport to Sudbury Airport?
Lasting around 5 hours and 53 minutes, the flight between SEA and YSB is a great opportunity to do some last-minute trip planning. Why not use the time to fine tune your itinerary for Sudbury?
How far is the flight from Sea-Tac Airport to YSB?
The flying distance between Sea-Tac Airport and Greater Sudbury Airport (YSB) is 3,100 kilometres. Close your eyes or bury your nose in a book and the trip will whiz by.
Which airlines fly direct from Sea-Tac Airport to Greater Sudbury Airport (YSB)?
Currently, no airlines offer flights directly from Sea-Tac Airport to Greater Sudbury Airport (YSB). You'll have to book a flight with at least one stop. To score the best connections and price, lock in your fare ahead of time.
Are Seattle - Tacoma Intl. Airport (SEA) to YSB flight tickets cheaper when they're purchased at the last minute?
Late planners can occasionally nab a bargain, with some super cheap airfares from Seattle - Tacoma Intl. Airport (SEA) to Sudbury Airport cropping up a few weeks before the date of departure. If you'd rather book ahead, Expedia compares and updates all the best flight deals continually — as early as a year in advance in some cases. It depends on the carrier though, as not all airlines publish prices that far in advance.

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