How much is a ticket from Seattle Lake Union 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.

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.

Adjust your flight filters for Seattle Lake Union – Seoul Incheon

Jetcost gives you tools to search smarter. Pick your ideal price range, airline, departure time, and flight type — then compare offers from the best travel agencies and carriers.

Other popular destinations

Planning a trip to South Korea? These cities are popular too: Jeju City, Kwangju, Pusan, Seoul, Taegu.

Sorting options let you see the most affordable flights first. Some results may include extra fees shown only at checkout — always read carefully to see what’s included.