$557 Cheap Flights from Seattle (SEA) to Seoul (ICN)

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Cheap Flights from Seattle to Seoul (SEA-ICN)

Prices were available within the past 7 days and start at $557 for one-way flights and $896 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

China Airlines
China Airlines
Turkish Airlines
EVA Airways
Hawaiian Airlines
Air Canada
Philippine Airlines
Singapore Airlines
Asiana Airlines
Delta
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, Ethiopian Airlines, Finnair, Hawaiian Airlines, Japan Airlines, Korean Air, Lufthansa, Philippine Airlines, Qatar Airways, Turkish Airlines, United, WestJet
Roundtrip price
$896
Distance
5203 mi
Average flight time
27 hours 43 mins

Seattle to Seoul Flights

Whether you’re looking for a grand adventure or just want to get away for a last-minute break, flights from Seattle to Seoul offer the perfect respite. Not only does exploring Seoul provide the chance to make some magical memories, dip into delectable dishes, and tour the local landmarks, but the cheap airfare means you won’t bust your budget. So no matter whether your ideal itinerary involves flying one way, non-stop, or round trip, you’re bound to find flights that match your schedule on Expedia, and at prices that won’t shock your wallet.

Bagging a cheap flight from Seattle to Seoul may mean more dollars to spend on for one-of-a-kind souvenirs when you arrive, but it doesn’t mean you have to skimp on your travel experience, as Expedia offers a sizzling selection of cheap airlines that’ll put you in your happy place on their planes, whether that’s getting lost in a hair-raising airport thriller, dreaming on the passing landscape over a glass of bubbly, or jotting down your vacation bucket list at 38,000 feet. There’s also bound to be plenty of opportunities to snap a few photos of the high life that will make your friends green with envy. After all, enjoying the journey is part of the fun.

With so many affordable flights and so many wonderful adventures awaiting you, there’s no reason to put off booking a fantastic flight from SEA to ICN today. So don’t leave it to the last minute to make your dream trip a reality: pack your bags with your go-to travel accessories, put together your list of must-see attractions and can’t-miss activities, and get ready to broaden your horizons – with Expedia, the wonders of Seoul are only a plane trip away. Book your travel arrangements with us today!

If you would like to book flights to Seoul more flexibly many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Seoul is $557 now!

Frequently asked questions

How much is a one-way flight from SEA to Seoul--Incheon Intl. Airport?
Book your next trip with Expedia and you could bag one-way Seattle flights to Seoul from only $593. This was the lowest price found for this journey departing within the next three months — an WestJet flight, setting off from Seattle - Tacoma Intl. Airport (SEA) on August 14 2024 and landing at Incheon Airport. The price was last updated on May 20 2024 and has not changed since. Eager to land your own bargain flights? Wonderful offers are the click of a button away.
How long does it take to fly from SEA to Incheon Intl. Airport (ICN)?
Korean Air has a direct flight leaving from SEA at 1:00PM and reaching Incheon Intl. Airport (ICN) at 4:40PM — a flying time of 11 hours and 40 minutes. Secure the seat that’s perfect for you, pack a few things to keep you amused and the time will pass by quickly.
Is it cheaper to buy a plane ticket from SEA to Incheon Airport last minute?
When it’s time to book your flights, being organized pays off. While you could find a last-minute deal on a Sea-Tac Airport to Seoul–Incheon Intl. Airport flight, tickets usually don’t get cheaper as the departure date nears. Based on flight pricing and demand studies in 2022, we have found that the sweet spot to book a domestic flight is between 28 – 35 days ahead. For international trips it’s three to four months.
What is the cheapest airline flying from Sea-Tac Airport to Seoul--Incheon Intl. Airport in the next 90 days?
The cheapest carrier flying from Seattle to Seoul found on Expedia is WestJet, with fares starting at $593. This price is based on airfares found on Expedia with a departure date within the next 90 days. The flight leaves Sea-Tac Airport on August 14 2024 and arrives at ICN. The pricing information was updated on May 20 2024 and has not changed since.
What's the cheapest price for a flight from Sea-Tac Airport to Seoul--Incheon Intl. Airport next month?
With a one-way flight from Seattle to Seoul on offer for just $732, you’ll have more money left over for cool stuff like sightseeing. This deal was found after searching through all available flights on Expedia within the next 30 days. This particular journey leaves SEA on May 26 2024, arrives at ICN and is with Hawaiian Airlines. Pricing information was last updated on May 20 2024 and has not changed since.
What airline has the least delays from Seattle - Tacoma Intl. Airport (SEA) to Incheon Intl. Airport (ICN)?
Depart with Delta Air Lines from SEA to Incheon Intl. Airport (ICN) and arrive at the time on your plane ticket. This airline is the top performer on this route, with 61% of services arriving on time. If your flight is delayed, the Expedia App is a good way to stay up to date. Download it onto your device and get real-time trip updates, from flight delays to any gate number changes.
Can I find cheap nonstop flights from Seattle - Tacoma Intl. Airport (SEA) to ICN in the next three months?
Get set to score a great deal because we’ve come across a roundtrip nonstop flight with Asiana Airlines within the next 90 days for $1294. The price was last updated on May 20 2024 and is based on airfares found on Expedia with a departure date within the next three months. This flight from Seattle to Seoul jets out of Sea-Tac Airport on May 30 2024 and arrives at Incheon Airport. The flight’s return date is June 6 2024.Make use of our handy filters to find nonstop cheap flights from Sea-Tac Airport to Incheon Airport. Simply click on “Nonstop” under “Filter by” after your search results pop up. Open to different travel dates? You can also try the “Flexible dates” dropdown menu to review ticket prices for nearby days. Finding a flight that best fits your budget and plans couldn’t be easier.
What airports do you fly into for Incheon from Seattle?
From Seattle, you can connect to Incheon through Incheon Intl. Airport (ICN), Gimpo Intl. Airport (GMP) and Suwon (SWU-Suwon Airbase). Find out which hub is right for you before you make a decision. If you opt for Incheon Intl. Airport (ICN), it’s roughly 10 mi west of the center of the city. Use the dough you save when booking your seat with Expedia to visit the city’s well-known sights, such as Songdo Central Park and NC Cube Canal Walk.
What are the most popular departure times for flights from Seattle - Tacoma Intl. Airport (SEA) to Incheon Airport?
For Delta Air Lines flights setting off from Sea-Tac Airport to Seoul–Incheon Intl. Airport, the most popular departure times are between 11:00 AM - 12:00 PM. If you want to avoid any holdups, book a morning flight. This gives you a better chance to avoid the heavy air traffic that accumulates in the afternoon and evening.
Can I change the date of my flight from Sea-Tac Airport to Seoul--Incheon Intl. Airport?
We know plans can get upended, so Expedia is here to help make things as easy as possible. First, find your Sea-Tac Airport to Incheon Intl. Airport (ICN) itinerary through the Expedia Trips portal and check the ticket rules regarding changes. If you purchased your airfare in the last 24 hours, some carriers will let you cancel without charge and organize new flights. If you booked more than 24 hours ago, contact us via our Customer Service portal so we can help you further.
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