Alaska Airlines Cheap Flights from Seoul to United States

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

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

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One-way low-fare flights Seoul to United States.*
From
To
Fare Type
Dates
Price
Seoul (ICN)Seattle (SEA)One-way
|
Main
Depart: Sep 22, 2025

From

$458

Seen: 8 hours ago

Seoul (ICN)Seattle (SEA)One-way
|
Main
Depart: Oct 19, 2025

From

$524

Seen: 8 hours ago

Seoul (ICN)Seattle (SEA)One-way
|
Main
Depart: Oct 12, 2025

From

$524

Seen: 10 hours ago

Seoul (ICN)Seattle (SEA)One-way
|
Main
Depart: Sep 21, 2025

From

$525

Seen: 1 day ago

Seoul (ICN)Seattle (SEA)One-way
|
Main
Depart: Mar 30, 2026

From

$1,271

Seen: 1 day ago

Seoul (ICN)Seattle (SEA)One-way
|
Main
Depart: Apr 25, 2026

From

$1,299

Seen: 2 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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