Planning a flight from Seoul Incheon to Seattle?

Flight prices from Seoul to Seattle 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 Seoul and Seattle?

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

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

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.

Refine your flight search from Seoul Incheon to Seattle

With Jetcost, it’s easy to narrow down results to find flights that match your schedule and preferences. You can filter by airline, price, trip type, and more — including offers from the best airlines and travel agencies.

Other popular destinations

Also looking at United States? These cities are trending: Atlanta, Los Angeles, Miami, New York City, Orlando.

Online agencies can show different offers for the same flight — it’s worth comparing. Filters let you narrow things down further, like selecting a specific time slot to find flights that suit you best.