Planning a flight from Seattle Lake Union to Seoul Gimpo?

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.

Are there multiple airports in Seattle and Seoul?

If your departure or arrival city has more than one airport, it's worth comparing all of them for timing and pricing.

• Airports in Seattle: 2 airports are active in Seattle - Boeing Field, Lake Union.
• Airports in Seoul: 2 airports are available in Seoul - Gimpo, Incheon.

If you're traveling with a group or bulky luggage, look into parking or transport options. Alternative airports may offer faster transfers or better rates.

Refine your flight search from Seattle Lake Union to Seoul Gimpo

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 South Korea? These cities are trending: Jeju City, Kwangju, Pusan, Seoul, Taegu.

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.