Book United Toronto to Seattle flight deals from $502

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Plan ahead for flights from Toronto to Seattle

from
to
Type
Dates
Price*
Toronto (YYZ)
to Seattle (SEA)
Roundtrip
Depart Sun 6 Jan 2019
Return Fri 11 Jan 2019
from$ 502*Viewed: 8 hours ago
Toronto (YYZ)
to Seattle (SEA)
Roundtrip
Depart Sun 31 Mar 2019
Return Mon 8 Apr 2019
from$ 723*Viewed: 4 hours ago
Toronto (YYZ)
to Seattle (SEA)
Roundtrip
Depart Sat 29 Jun 2019
Return Sun 7 Jul 2019
from$ 748*Viewed: 6 hours ago
Toronto (YYZ)
to Seattle (SEA)
Roundtrip
Depart Sat 22 Dec 2018
Return Tue 1 Jan 2019
from$ 777*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

54 °FWednesday11/14/2018
47 °FThursday11/15/2018
50 °FFriday11/16/2018
42 °FSaturday11/17/2018
36 °FSunday11/18/2018
36 °FMonday11/19/2018
36 °FTuesday11/20/2018
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