What’s the cost of a flight from Seattle Boeing Field to Seoul Incheon?

Prices vary based on date, airline, and availability. Compare several options if you're flying between Seattle and Seoul.

Choose a date to explore the best fares now.

If possible, avoid holiday periods: ticket prices tend to rise quickly and availability drops, especially on busy routes. Morning and evening flights are often in high demand too — book early to get a good fare.

What are the airport options between Seattle and Seoul?

If both departure and destination cities offer multiple airports, comparing them can help you save time and money.

• Airports in Seattle: Seattle has 2 airports - Boeing Field, Lake Union.
• Airports in Seoul: 2 airports serve Seoul - Gimpo, Incheon.

Some airports have different terminals for low-cost and traditional airlines — knowing in advance can save time. You can filter results to see only the airports that suit you.

Flight filters for the route Seattle Boeing Field – Seoul Incheon

Customize your search on Jetcost to focus only on flights that suit your needs. Whether you want a direct connection, specific airline, or shorter layover, filters help you find it faster.

Other popular destinations

Flights to South Korea are often searched alongside: Jeju City, Kwangju, Pusan, Seoul, Taegu.

The cheapest flights might leave at odd hours or arrive at less central airports — keep that in mind. If you travel often, you can always select your trusted airlines from the available options.