￥77,250 Cheap Flights from Seoul (ICN) to Seattle (SEA)

View ￥77,250 flight on Thu, Apr 16, 2026Opens in a new window

Popular airlines from Incheon Intl. Airport (ICN) to Seattle-Tacoma International Airport (SEA)

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Cheap Flights from Seoul to Seattle (ICN-SEA)

Prices were available within the past 7 days and start at ￥77,250 for one-way flights and ￥82,080 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Jeju Air
Tue, Mar 17 - Sun, Apr 5
ICN
Seoul
SEA
Seattle
￥82,080 Roundtrip, found 1 day ago
￥82,080
Roundtrip
found 1 day ago
Select Jeju Air flight, departing Tue, Mar 17 from Seoul to Seattle, returning Sun, Apr 5, priced at ￥82,080 found 1 day ago
Alaska Airlines
Mon, May 11 - Mon, May 18
ICN
Seoul
SEA
Seattle
￥104,300 Roundtrip, found 5 days ago
￥104,300
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Mon, May 11 from Seoul to Seattle, returning Mon, May 18, priced at ￥104,300 found 5 days ago
Hawaiian Airlines
Fri, Apr 3 - Mon, Apr 6
ICN
Seoul
SEA
Seattle
￥104,800 Roundtrip, found 16 hours ago
￥104,800
Roundtrip
found 16 hours ago
Select Hawaiian Airlines flight, departing Fri, Apr 3 from Seoul to Seattle, returning Mon, Apr 6, priced at ￥104,800 found 16 hours ago
Asiana Airlines
Tue, May 5 - Tue, May 12
ICN
Seoul
SEA
Seattle
￥105,180 Roundtrip, found 6 days ago
￥105,180
Roundtrip
found 6 days ago
Select Asiana Airlines flight, departing Tue, May 5 from Seoul to Seattle, returning Tue, May 12, priced at ￥105,180 found 6 days ago
Korean Air
Fri, Apr 3 - Mon, Apr 6
ICN
Seoul
SEA
Seattle
￥108,000 Roundtrip, found 16 hours ago
￥108,000
Roundtrip
found 16 hours ago
Select Korean Air flight, departing Fri, Apr 3 from Seoul to Seattle, returning Mon, Apr 6, priced at ￥108,000 found 16 hours ago
Delta
Fri, Apr 3 - Mon, Apr 6
ICN
Seoul
SEA
Seattle
￥108,000 Roundtrip, found 16 hours ago
￥108,000
Roundtrip
found 16 hours ago
Select Delta flight, departing Fri, Apr 3 from Seoul to Seattle, returning Mon, Apr 6, priced at ￥108,000 found 16 hours ago
Air Canada
Wed, Mar 4 - Mon, Mar 9
ICN
Seoul
SEA
Seattle
￥108,480 Roundtrip, found 14 hours ago
￥108,480
Roundtrip
found 14 hours ago
Select Air Canada flight, departing Wed, Mar 4 from Seoul to Seattle, returning Mon, Mar 9, priced at ￥108,480 found 14 hours ago
United
Wed, Mar 4 - Mon, Mar 9
ICN
Seoul
SEA
Seattle
￥114,280 Roundtrip, found 14 hours ago
￥114,280
Roundtrip
found 14 hours ago
Select United flight, departing Wed, Mar 4 from Seoul to Seattle, returning Mon, Mar 9, priced at ￥114,280 found 14 hours ago
American Airlines
Wed, Mar 4 - Mon, Mar 9
ICN
Seoul
SEA
Seattle
￥118,780 Roundtrip, found 14 hours ago
￥118,780
Roundtrip
found 14 hours ago
Select American Airlines flight, departing Wed, Mar 4 from Seoul to Seattle, returning Mon, Mar 9, priced at ￥118,780 found 14 hours ago
China Airlines
Tue, May 5 - Tue, May 12
ICN
Seoul
SEA
Seattle
￥122,560 Roundtrip, found 6 days ago
￥122,560
Roundtrip
found 6 days ago
Select China Airlines flight, departing Tue, May 5 from Seoul to Seattle, returning Tue, May 12, priced at ￥122,560 found 6 days ago

Alternative airports near Seattle

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Seattle - Tacoma Intl. SEA. Cheapest option available. Average driving time to city center is 20 minutes. Flights from ￥116,880
SEA
Seattle - Tacoma Intl.
Cheapest
Average driving time to city center20 min
Flights from ￥116,880

Find the cheapest month to fly from Seoul (ICN) to Seattle (SEA)

October is typically the cheapest month to fly

From ￥52,581 - ￥147,982 per traveler.
Flights from Seoul (ICN) to Seattle (SEA)
Origin airport
Incheon Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Air Canada, Alaska Airlines, American Airlines, Asiana Airlines, Cathay Pacific, China Airlines, Delta, EVA Airways, Emirates, Ethiopian Airlines, Hawaiian Airlines, Japan Airlines, KLM, Korean Air, Lufthansa, Philippine Airlines, Qatar Airways, Turkish Airlines, United, WestJet
Roundtrip price
￥82,080
Distance
8326 km
Average flight time
-6 hours -57 mins

Seoul to Seattle 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 Seoul to 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 Seattle.

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 ICN to SEA flights that won’t make your bank account wince. Ready to temporarily leave behind Seoul 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 SEA 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 Incheon Intl. Airport (ICN) to Sea-Tac Airport?
The lowest price advertised for a round-trip journey from Seoul–Incheon Intl. Airport to SEA is ￥82,080. But you better act quick. This figure is based on fares quoted 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 ICN to SEA?
This can vary between air carriers, as each has its own set of terms and conditions. Head to the Customer Service Portal, where there are instructions on how to cancel online.
How do I find cheap flights from Incheon Airport to Sea-Tac 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 Incheon Intl. Airport (ICN) to Sea-Tac Airport flights, you'll see a "no change fees" filter for you to select.
How many hours is the flight from Seoul–Incheon Intl. Airport to SEA?
It takes around 17 hours and 52 minutes to travel from Incheon Intl. Airport (ICN) to Sea-Tac Airport. If you're hoping to catch up on some sleep, bring a neck pillow, some earplugs and something to keep you warm.
How far is the flight from ICN to SEA?
South Korea to SeaTac is around 8,400 kilometers, so get ready to spend a while in the air. Make sure you pack all the essentials, from your headphones to your hoodie. Take some snacks to munch on throughout your trip too.
Which airlines fly direct from Incheon Airport to Seattle - Tacoma Intl. Airport (SEA)?
There are a few airlines that travel directly from Incheon Intl. Airport (ICN) to SEA. Delta Air Lines (DL) is a great choice, offering 30 flights each month. Operating 30 flights every month on this route, Korean Air (KE) is another good choice.
Are Incheon Intl. Airport (ICN) to Sea-Tac Airport flight tickets cheaper when they're purchased at the last minute?
Last-minute planners can occasionally pick up a bargain, with some super cheap airfares from ICN to Sea-Tac Airport showing up a few weeks prior to the departure date. If you'd rather plan ahead of time, Expedia compares and updates the best flight deals frequently — as early as 12 months in advance in some cases. It does depend on the carrier though, as not all airlines issue prices so far in advance.

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