Looking for the price of a flight from Seattle Lake Union to Seoul Incheon?

There’s no fixed price — fares between Seattle and Seoul can vary a lot by day or time.

Select your dates to check current offers.

It’s often useful to check whether nearby airports offer better fares. Flying during less crowded periods also increases your chances of finding good deals.

Exploring all airports near Seattle and Seoul

Checking all the airports available in the area can give you more departure and arrival options for your trip.

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

Looking at expected traffic to the airport can help avoid surprises on departure day. On busy routes, flying from a quieter airport might also save you money.

Refine your flight search from Seattle Lake Union to Seoul Incheon

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: Cheongju, Jeju City, 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.