Find the Cheapest Flights from Seattle to South Korea

Unlock the cheapest flights and the best airfares from Seattle to South Korea. Make your dream trip both memorable and affordable!

Wed, Apr 29SEA-SEL
Asiana Airlines

oneway$345

Tue, Sep 1SEA-SEL
Eva Air

$770

Seattle to South Korea: Flight information

Cheapest flight found$345

Cheapest month to flyApril

Most popular airlineAsiana Airlines

Average flight duration12h 20m

Cheapest flight found

Apr 2026

$345

May 2026

$454

Jun 2026

$516

FAQs

How to find cheap flights to South Korea from Seattle etc..

How long is the flight from Seattle to South Korea?

What airlines fly from Seattle to South Korea?

When to buy cheap flights from Seattle to South Korea?

How can I find the cheapest flights from Seattle?

How can I cancel / change my flight?

Do the prices include taxes and fees?

Does the flight price include baggage fees?

What should I do if my flight is canceled?

Explore the top trending flights!

Popular flights from Seattle

Trending Countries (21)Trending Cities (20)

Trending Countries

Seattle to Japan

Seattle to Switzerland

Seattle to South Korea

Seattle to Sweden

Seattle to Netherlands

Seattle to Denmark

Seattle to United Arab Emirates

Seattle to Germany

Seattle to United Kingdom

Seattle to United States

Seattle to Canada

Seattle to New Zealand

Seattle to China

Seattle to Spain

Seattle to Italy

Seattle to Singapore

Seattle to Norway

Seattle to Finland

Seattle to Ireland

Seattle to Portugal

Seattle to Austria

See more dealsSee less

Popular flights to Seattle

Popular flights from South Korea

Popular flights to South Korea

Travel Like Never Before

• Search And compare between flights easily
• A single travel booking that allows you to visit several cities during one trip

Download OUR APP NOW