How to find the cheapest flight from Seattle (SEA) to Sudbury (YSB)
All the information you need to plan the best SEA to YSB flight in 2022: compare Seattle to Sudbury flight prices with the expected peak season, weather and rainfall in Sudbury.
When is the cheapest time to fly from Seattle to Sudbury, Ontario (SEA - YSB)?
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Sudbury, Ontario as you normally would.
Related info for your journey
Useful info, stats and facts about <span class="emphasized">Seattle</span> to <span class="emphasized">Sudbury</span> flights.
View COVID Travel Restrictions for Sudbury, Canada
Do I need a COVID test to fly to Sudbury from Seattle?
Information is based on travel restrictions from Seattle/Tacoma Intl to Sudbury
Most visitors from Seattle/Tacoma Intl need to provide a negative COVID-19 test result and/or quarantine to enter Sudbury.
COVID-19 testing requirements Visitors from Seattle/Tacoma Intl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours for RT-PCR (NAAT) and 1 day for Antigen (quick-test) before departing to Sudbury.
Quarantine requirements Visitors from Seattle/Tacoma Intl are not required to quarantine after entering Sudbury.
Do I need a test to fly back to Seattle from Sudbury?
Returning to Seattle/Tacoma Intl from Sudbury
COVID-19 testing requirements Visitors from Sudbury must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 1 day for RT-PCR (NAAT) and 1 day for Antigen (quick-test) before departing to Seattle/Tacoma Intl.
Quarantine requirements Visitors from Sudbury are not required to quarantine after entering Seattle/Tacoma Intl.
Hide COVID Travel Restrictions for Sudbury, Canada
Alternative routes for Seattle to Sudbury
See prices for flight routes from nearby airports that may be better suited for you.
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