How much is a ticket from Seattle Boeing Field to Seoul Incheon?

Depending on when you travel and how far in advance you book, fares between Seattle and Seoul can differ a lot.

Choose a date to explore the best fares now.

If you’re flexible with timing, consider overnight flights — they often cost less and are less crowded. Exploring multiple date and time combinations can help you find the cheapest solution.

Best airport options between Seattle and Seoul

If you're open to flying into or out of more than one airport, you’ll have more routes to compare.

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

Some airports offer extras like lounges, fast track, or self check-in — good to keep in mind. Comparing airports by services offered helps you balance cost and comfort.

Explore flights from Seattle Boeing Field to Seoul Incheon your way

On Jetcost, you can filter by round-trip or one-way, time of day, airline, number of stops, and even by specific travel agency.

Other popular destinations

Also interested in South Korea? Check out: Jeju City, Kwangju, Pusan, Seoul, Taegu.

If you’re flexible with dates, try checking the days before and after to see if prices vary. Some routes are offered by multiple agencies — comparing fares can really pay off.