Alaska Airlines Cheap Flights from Toronto to United States

Deals on one-way flights from Toronto to United States.*

$
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Toronto (YYZ)to

Seattle (SEA)
Depart: May 12, 2026
From
$201
Seen: 5 hours ago
One-way
Saver

Toronto (YYZ)to

Seattle (SEA)
Depart: May 7, 2026
From
$207
Seen: 9 hours ago
One-way
Saver

Toronto (YYZ)to

Seattle (SEA)
Depart: May 6, 2026
From
$240
Seen: 9 hours ago
One-way
Saver

Toronto (YYZ)to

Seattle (SEA)
Depart: May 8, 2026
From
$240
Seen: 9 hours ago
One-way
Saver

Toronto (YYZ)to

Seattle (SEA)
Depart: May 9, 2026
From
$243
Seen: 9 hours ago
One-way
Saver

Toronto (YYZ)to

Los Angeles (LAX)
Depart: May 4, 2026
From
$390
Seen: 1 day ago
One-way
Saver

*Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.

One-way low-fare flights Toronto to United States.*

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One-way low-fare flights Toronto to United States.*
From
To
Fare Type
Dates
Price
Toronto (YYZ)Seattle (SEA)One-way
|
Saver
Depart: Jun 3, 2026

From

$199

Seen: 9 hours ago

Toronto (YYZ)Seattle (SEA)One-way
|
Saver
Depart: May 20, 2026

From

$199

Seen: 9 hours ago

Toronto (YYZ)Seattle (SEA)One-way
|
Saver
Depart: Jun 2, 2026

From

$199

Seen: 9 hours ago

Toronto (YYZ)Seattle (SEA)One-way
|
Saver
Depart: May 19, 2026

From

$199

Seen: 9 hours ago

Toronto (YYZ)Seattle (SEA)One-way
|
Saver
Depart: May 21, 2026

From

$207

Seen: 9 hours ago

Toronto (YYZ)Seattle (SEA)One-way
|
Saver
Depart: May 29, 2026

From

$207

Seen: 9 hours ago

Toronto (YYZ)Los Angeles (LAX)One-way
|
Saver
Depart: Oct 19, 2026

From

$390

Seen: 16 hours ago

*Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.

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