$110 Cheap United flights Seattle (SEA) to Toronto (YYZ)

$110 Cheap United flights Seattle (SEA) to Toronto (YYZ)

Prices were available within the past 7 days and start at $110 for one-way flights and $260 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Sep 11 - Fri, Sep 19

SEA

Seattle

YYZ

Toronto

$260 Roundtrip, found 2 hours ago

$260

Roundtrip

found 2 hours ago

Select United flight, departing Thu, Sep 11 from Seattle to Toronto, returning Fri, Sep 19, priced at $260 found 2 hours ago

Sun, Sep 21 - Tue, Sep 30

SEA

Seattle

YYZ

Toronto

$261 Roundtrip, just found

$261

Roundtrip

just found

Select United flight, departing Sun, Sep 21 from Seattle to Toronto, returning Tue, Sep 30, priced at $261 just found

Fri, Sep 26 - Sun, Oct 5

SEA

Seattle

YYZ

Toronto

$263 Roundtrip, just found

$263

Roundtrip

just found

Select United flight, departing Fri, Sep 26 from Seattle to Toronto, returning Sun, Oct 5, priced at $263 just found

Sat, Sep 20 - Sun, Sep 28

SEA

Seattle

YYZ

Toronto

$266 Roundtrip, found 2 hours ago

$266

Roundtrip

found 2 hours ago

Select United flight, departing Sat, Sep 20 from Seattle to Toronto, returning Sun, Sep 28, priced at $266 found 2 hours ago

Sat, Sep 27 - Mon, Oct 6

SEA

Seattle

YYZ

Toronto

$268 Roundtrip, just found

$268

Roundtrip

just found

Select United flight, departing Sat, Sep 27 from Seattle to Toronto, returning Mon, Oct 6, priced at $268 just found

Sat, Nov 15 - Tue, Nov 18

SEA

Seattle

YYZ

Toronto

$269 Roundtrip, found 6 hours ago

$269

Roundtrip

found 6 hours ago

Select United flight, departing Sat, Nov 15 from Seattle to Toronto, returning Tue, Nov 18, priced at $269 found 6 hours ago