NT$20,000 Cheap Flights from Seattle (SEA) to Seoul (ICN)

Bundle Your Flight + Hotel & Save!

    Plan, book, fly with confidence
  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 45% on select hotels after you book a flight*
  • payments icon
    Earn twice
    Earn your airline miles on top of our rewards

Cheap Flights from Seattle to Seoul (SEA-ICN)

Prices were available within the past 7 days and start at NT$20,000 for one-way flights and NT$33,628 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Turkish Airlines
China Airlines
Alaska Airlines
Air Canada
EVA Airways
Turkish Airlines
Alaska Airlines
EVA Airways
Turkish Airlines
Hawaiian Airlines
Flights from Seattle (SEA) to Seoul (ICN)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Incheon Intl.
Airlines serving
Air Canada, Air France, American Airlines, Asiana Airlines, Cathay Pacific, China Airlines, Delta, EVA Airways, Emirates, Hawaiian Airlines, Japan Airlines, KLM, Korean Air, Lufthansa, Turkish Airlines, United
Roundtrip price
NT$33,628
Distance
8326 km
Average flight time
28 hours 5 mins

Seattle to Incheon Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Seattle to Incheon will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Incheon.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with SEA to ICN flights that won’t make your bank account wince. Ready to temporarily leave behind Seattle for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to ICN with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Frequently asked questions

How much is a flight from SEA to Incheon Airport?
The lowest price advertised for a round-trip flight from SEA to ICN is NT$33,628. But you better get a move on. This price is based on fares available within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Sea-Tac Airport to Incheon Intl. Airport (ICN)?
The majority of flights can be canceled online, but whether or not you incur a fee differs between airlines. If you do have to cancel your break, follow the instructions in the Customer Service Portal.
How do I find cheap flights from Seattle - Tacoma Intl. Airport (SEA) to Incheon Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for SEA to ICN flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from Sea-Tac Airport to Incheon Intl. Airport (ICN)?
SeaTac to South Korea is around 8,400 kilometers, so get ready to spend quite a while in the air. Don’t forget to pack all the essentials, from your eye mask to your earphones. Throw in a few snacks to munch on throughout your journey too.
Which airlines fly direct from SEA to Incheon Intl. Airport (ICN)?
A leading airline that flies from Seattle - Tacoma Intl. Airport (SEA) to Incheon Airport is Delta Air Lines (DL). It offers 39 flights a month. Offering 21 flights every month on this route, Korean Air (KE) is another good option.
Are Sea-Tac Airport to Incheon Airport flight tickets cheaper when they're purchased at the last minute?
Flight tickets from Seattle - Tacoma Intl. Airport (SEA) to ICN are available up to a year before departure on Expedia. And although you may pick up fantastic last-minute deals, it’s not something you should count on. Also, booking your flights ahead of time means you’ll have more choices — and you can avoid landing the dreaded middle seat! We’re constantly updating our fares to bring you the biggest bargains, so keep checking in for all the latest specials.
Seoul nearby Airports

Seoul

*Available to Expedia members.