Planning a flight from Seattle to Seoul Incheon?

Flight prices from Seattle to Seoul change depending on demand and time of booking.

Choose a date to explore the best fares now.

Many users find better fares by booking several weeks in advance. In fact, for many routes, booking early is one of the best ways to save.

Which airports serve Seattle and Seoul?

When planning a trip of about 8374 km, it's a good idea to check flights from surrounding airports too.

• Airports in Seattle: Seattle is connected to 2 airports - Boeing Field, Lake Union.
• Airports in Seoul: Seoul offers flights from 2 airports - Gimpo, Incheon.

The closest airport isn’t always the cheapest — it’s worth checking the alternatives too. In some cities, smaller airports offer lower fares than the main ones.

Filter and compare flights from Seattle to Seoul Incheon

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Other popular destinations

Want more ideas for your trip to South Korea? Check these: Jeju City, Kwangju, Pusan, Seoul, Taegu.

Advanced filters help you skip long layovers or inconvenient times. The “airlines” filter is handy if you want to collect miles or prefer a certain onboard experience.