$138 Cheap Delta flights Seattle (SEA) to Toronto (YYZ)

View $138 flight on Wed, Aug 27, 2025Opens in a new window

$138 Cheap Delta flights Seattle (SEA) to Toronto (YYZ)

Prices were available within the past 7 days and start at $138 for one-way flights and $325 for roundtrip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Delta
Wed, Aug 27 - Mon, Sep 1
SEA
Seattle
YYZ
Toronto
$325
Roundtrip
Found 2 days ago
Select Delta flight, departing Wed, Aug 27 from Seattle to Toronto, returning Mon, Sep 1, priced at $325 Found 2 days ago
Delta
Wed, Aug 27 - Mon, Sep 1
SEA
Seattle
YYZ
Toronto
$343
Roundtrip
Found 2 days ago
Select Delta flight, departing Wed, Aug 27 from Seattle to Toronto, returning Mon, Sep 1, priced at $343 Found 2 days ago
Delta
Wed, Aug 27 - Mon, Sep 1
SEA
Seattle
YYZ
Toronto
$352
Roundtrip
Found 2 days ago
Select Delta flight, departing Wed, Aug 27 from Seattle to Toronto, returning Mon, Sep 1, priced at $352 Found 2 days ago
Delta
Wed, Aug 27 - Mon, Sep 1
SEA
Seattle
YYZ
Toronto
$357
Roundtrip
Found 2 days ago
Select Delta flight, departing Wed, Aug 27 from Seattle to Toronto, returning Mon, Sep 1, priced at $357 Found 2 days ago
Delta
Wed, Aug 27 - Mon, Sep 1
SEA
Seattle
YYZ
Toronto
$362
Roundtrip
Found 2 days ago
Select Delta flight, departing Wed, Aug 27 from Seattle to Toronto, returning Mon, Sep 1, priced at $362 Found 2 days ago
Delta
Wed, Aug 27 - Mon, Sep 1
SEA
Seattle
YYZ
Toronto
$386
Roundtrip
Found 2 days ago
Select Delta flight, departing Wed, Aug 27 from Seattle to Toronto, returning Mon, Sep 1, priced at $386 Found 2 days ago
Flights from Seattle (SEA) to Toronto (YYZ)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Pearson Intl.
Distance
3288 km
Average flight time
7 hours 47 mins