₩661,100 Cheap Flights from Seoul (ICN) to Seattle (SEA)

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 40% on select hotels after you book a flight*
  • payments icon
    Earn twice
    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Seoul to Seattle (ICN-SEA)

Prices were available within the past 7 days and start at ₩661,100 for one-way flights and ₩1,093,100 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, May 20 - Mon, Sep 2
ICN
Seoul
SEA
Seattle
₩1,093,100 Roundtrip, found 6 days ago
₩1,093,100
Roundtrip
found 6 days ago
Select American Airlines flight, departing Mon, May 20 from Seoul to Seattle, returning Mon, Sep 2, priced at ₩1,093,100 found 6 days ago
Hawaiian Airlines
Wed, Sep 25 - Thu, Oct 17
ICN
Seoul
SEA
Seattle
₩1,123,100 Roundtrip, found 1 hour ago
₩1,123,100
Roundtrip
found 1 hour ago
Select Hawaiian Airlines flight, departing Wed, Sep 25 from Seoul to Seattle, returning Thu, Oct 17, priced at ₩1,123,100 found 1 hour ago
United
Thu, Sep 19 - Wed, Sep 25
ICN
Seoul
SEA
Seattle
₩1,176,000 Roundtrip, found 2 days ago
₩1,176,000
Roundtrip
found 2 days ago
Select United flight, departing Thu, Sep 19 from Seoul to Seattle, returning Wed, Sep 25, priced at ₩1,176,000 found 2 days ago
China Airlines
Mon, Oct 28 - Wed, Oct 30
ICN
Seoul
SEA
Seattle
₩1,413,300 Roundtrip, found 1 hour ago
₩1,413,300
Roundtrip
found 1 hour ago
Select China Airlines flight, departing Mon, Oct 28 from Seoul to Seattle, returning Wed, Oct 30, priced at ₩1,413,300 found 1 hour ago
Air Canada
Mon, Mar 31 - Thu, Apr 3
ICN
Seoul
SEA
Seattle
₩1,417,500 Roundtrip, found 4 days ago
₩1,417,500
Roundtrip
found 4 days ago
Select Air Canada flight, departing Mon, Mar 31 from Seoul to Seattle, returning Thu, Apr 3, priced at ₩1,417,500 found 4 days ago
EVA Airways
Tue, Mar 11 - Thu, Mar 20
ICN
Seoul
SEA
Seattle
₩1,431,900 Roundtrip, found 3 days ago
₩1,431,900
Roundtrip
found 3 days ago
Select EVA Airways flight, departing Tue, Mar 11 from Seoul to Seattle, returning Thu, Mar 20, priced at ₩1,431,900 found 3 days ago
Asiana Airlines
Wed, Oct 2 - Wed, Oct 16
ICN
Seoul
SEA
Seattle
₩1,478,200 Roundtrip, found 2 days ago
₩1,478,200
Roundtrip
found 2 days ago
Select Asiana Airlines flight, departing Wed, Oct 2 from Seoul to Seattle, returning Wed, Oct 16, priced at ₩1,478,200 found 2 days ago
Korean Air
Mon, Oct 21 - Mon, Nov 4
ICN
Seoul
SEA
Seattle
₩1,487,100 Roundtrip, found 2 days ago
₩1,487,100
Roundtrip
found 2 days ago
Select Korean Air flight, departing Mon, Oct 21 from Seoul to Seattle, returning Mon, Nov 4, priced at ₩1,487,100 found 2 days ago
Delta
Fri, Sep 27 - Mon, Nov 11
ICN
Seoul
SEA
Seattle
₩1,487,600 Roundtrip, just found
₩1,487,600
Roundtrip
just found
Select Delta flight, departing Fri, Sep 27 from Seoul to Seattle, returning Mon, Nov 11, priced at ₩1,487,600 just found
WestJet
Mon, Oct 14 - Sun, Oct 20
ICN
Seoul
SEA
Seattle
₩1,508,100 Roundtrip, found 2 days ago
₩1,508,100
Roundtrip
found 2 days ago
Select WestJet flight, departing Mon, Oct 14 from Seoul to Seattle, returning Sun, Oct 20, priced at ₩1,508,100 found 2 days ago
Flights from Seoul (ICN) to Seattle (SEA)
Origin airport
Incheon Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Air Canada, Air France, All Nippon Airways, American Airlines, Asiana Airlines, Cathay Pacific, China Airlines, Delta, EVA Airways, Emirates, Hawaiian Airlines, KLM, Korean Air, Lufthansa, Philippine Airlines, Qatar Airways, Singapore Airlines, Turkish Airlines, United, WestJet
Roundtrip price
₩1,093,100
Distance
8326 km
Average flight time
-5 hours -33 mins

Incheon 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 Incheon to Seattle 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 Incheon 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 Seoul--Incheon Intl. Airport to Sea-Tac Airport?
Start packing your bags, because round-trip flights from Seoul–Incheon Intl. Airport to SEA start from ₩1,093,100. That’s based on fares listed within the last 7 days on Expedia for flights departing within the next year. Prices can go up quickly, so book today to score the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Seoul--Incheon Intl. Airport to Seattle - Tacoma Intl. Airport (SEA)?
Each air carrier has its own terms and conditions. If you decide to cancel your escape, head to our Customer Service Portal.
How do I find cheap flights from Seoul--Incheon Intl. Airport to Seattle - Tacoma Intl. Airport (SEA) 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 Seoul–Incheon Intl. Airport to Sea-Tac Airport flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from ICN to Sea-Tac Airport?
The distance is around 8,400 kilometers. Neck pillow? Check. Warm clothes? Check. We recommend you pack all the essentials for this long-haul South Korea to SeaTac flight.
Which airlines fly direct from ICN to SEA?
With 39 flights every month operating from ICN to SEA, Delta Air Lines (DL) is a top choice. Another airline operating on this route is Korean Air (KE). You’ll have 21 flights every month to take your pick of.
Are Seoul--Incheon Intl. Airport to SEA flight tickets cheaper when they're purchased at the last minute?
Booking last minute from Incheon Airport to Sea-Tac Airport can be hit-or-miss. You may be able to score a bargain, but you could also completely miss out! If you’d prefer to start your travel planning ahead of time, Expedia compares flight deals up to 12 months in advance. Just keep in mind that not all airlines advertise their prices so far in advance. Our suggestion? Check back often as prices are updated regularly.
Seattle nearby Airports

Seattle Paine Field Intl. Airport

Seoul to Seattle Paine Field Intl. Airport
₩3,712,600
Seoul nearby Airports

Seoul

Gimpo Intl. to Seattle
₩1,148,100
*Available to Expedia members.