Book United Toronto to Seattle flight deals from $657

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Downtown Seattle at sunset

Plan ahead for flights from Toronto to Seattle

from
to
Type
Dates
Price*
Toronto (YYZ)
to Seattle (SEA)
Roundtrip
Depart Thu 16 Aug 2018
Return Sun 19 Aug 2018
from$ 657*Viewed: 1 day ago
*Prices have been available for round trips within the last 48 hours and may not be currently available. Fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.

Weather in Seattle

73 °FSaturday07/21/2018
77 °FSunday07/22/2018
81 °FMonday07/23/2018
78 °FTuesday07/24/2018
79 °FWednesday07/25/2018
72 °FThursday07/26/2018
71 °FFriday07/27/2018
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