$575 Cheap Flights from Seattle (SEA) to Seoul (ICN)

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Cheap Flights from Seattle - Tacoma Intl. to Incheon Intl.

Prices were available within the past 7 days and start at $575 for one-way flights and $1,015 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Alaska Airlines
Asiana Airlines
Air Canada
Korean Air
EVA Airways
American Airlines
Hawaiian Airlines
Singapore Airlines
Alaska Airlines
Turkish Airlines
EVA Airways
Air Canada
Asiana Airlines
Korean Air
Singapore Airlines
Flights from Seattle (SEA) to Seoul (ICN)
Origin AirportSeattle - Tacoma Intl.
Destination AirportIncheon Intl.
Airlines ServingAir Canada, Air France, All Nippon Airways, American Airlines, Asiana Airlines, Delta, EVA Airways, Emirates, Ethiopian Airlines, Finnair, Hawaiian Airlines, Japan Airlines, KLM, Korean Air, Lufthansa, Malaysia Airlines, Qatar Airways, Singapore Airlines, Turkish Airlines, United
Flight Price$1,015
Distance5204 mi

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 $575 now!

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 $1,015. 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 many hours is the flight from Seattle - Tacoma Intl. Airport (SEA) to Incheon Airport?
The flight time from SEA (SEA) to ICN (ICN) is about 18 hours and 40 minutes. It’s is no quick joyride, so make sure you fill your hand luggage with whatever you need to keep you entertained.
How far is the flight from Sea-Tac Airport to Incheon Intl. Airport (ICN)?
You’ll have 5221 mi to cover on the long-haul SeaTac to South Korea route. Dress in layers of comfy clothes and consider taking a neck pillow with you.
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.
Can I fly from Sea-Tac Airport to ICN right now?
To see what travel restrictions and quarantine requirements are in place for different citizens flying from Seattle - Tacoma Intl. Airport (SEA) to Incheon Intl. Airport (ICN) please visit our COVID 19 travel advisor portal link.
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