How much is a flight from Seattle Lake Union to Seoul Incheon?

Depending on when you travel and how far in advance you book, fares between Seattle and Seoul can differ a lot.

Select your dates to check current offers.

Low-cost airlines offer competitive fares, but often add charges for extra services. Keep that in mind when planning your trip. Also, midweek departures may offer better deals than weekends.

Best airport options between Seattle and Seoul

If you're open to flying into or out of more than one airport, you’ll have more routes to compare.

• Airports in Seattle: Seattle is served by 2 airports - Boeing Field, Lake Union.
• Airports in Seoul: In Seoul, 2 airports are available - Gimpo, Incheon.

Some airports offer extras like lounges, fast track, or self check-in — good to keep in mind. Comparing airports by services offered helps you balance cost and comfort.

Plan your perfect flight from Seattle Lake Union to Seoul Incheon

Jetcost gives you full control over your flight search. Filter by date, time, duration, price, and airline. See round-trip and one-way options from low-cost and full-service carriers and more.

Other popular destinations

Planning a trip to South Korea? Other frequent searches include: Jeju City, Kwangju, Pusan, Seoul, Taegu.

Some airlines include baggage in the fare, others don’t — always check the details before booking. If you're looking for round-trip flights, you can easily see the most convenient combinations.