
Popular airlines from Seattle-Tacoma International Airport (SEA) to Incheon Intl. Airport (ICN)
- Korean Air
Korean Air
- Air Canada
Air Canada
- Asiana Airlines
Asiana Airlines
- Cathay Pacific
Cathay Pacific
- EVA Airways
EVA Airways
- Alaska Airlines
Alaska Airlines
- United
United
- Plan, book, fly with confidence
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Cheap Flights from Seattle (SEA) to Seoul (ICN)
Prices were available within the past 7 days and start at ฿14,035 for one-way flights and ฿27,130 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, 1 Feb - Sat, 14 Feb
SEA
Seattle
ICN
Seoul
฿27,130 Return, found 4 days ago
฿27,130
Return
found 4 days ago

Thu, 7 Aug - Thu, 21 Aug
SEA
Seattle
ICN
Seoul
฿27,720 Return, found 4 days ago
฿27,720
Return
found 4 days ago

Sun, 9 Nov - Sun, 23 Nov
SEA
Seattle
ICN
Seoul
฿28,030 Return, found 5 days ago
฿28,030
Return
found 5 days ago

Sun, 9 Nov - Sun, 23 Nov
SEA
Seattle
ICN
Seoul
฿28,060 Return, found 5 days ago
฿28,060
Return
found 5 days ago

Sun, 9 Nov - Sun, 23 Nov
SEA
Seattle
ICN
Seoul
฿28,090 Return, found 5 days ago
฿28,090
Return
found 5 days ago

Sun, 9 Nov - Sun, 23 Nov
SEA
Seattle
ICN
Seoul
฿28,120 Return, found 5 days ago
฿28,120
Return
found 5 days ago

Sun, 9 Nov - Sun, 23 Nov
SEA
Seattle
ICN
Seoul
฿28,275 Return, found 5 days ago
฿28,275
Return
found 5 days ago

Sun, 9 Nov - Sun, 23 Nov
SEA
Seattle
ICN
Seoul
฿28,305 Return, found 5 days ago
฿28,305
Return
found 5 days ago

Sun, 9 Nov - Sun, 23 Nov
SEA
Seattle
ICN
Seoul
฿28,335 Return, found 5 days ago
฿28,335
Return
found 5 days ago

Wed, 10 Sep - Sat, 13 Sep
SEA
Seattle
ICN
Seoul
฿33,745 Return, found 5 days ago
฿33,745
Return
found 5 days ago
Find the cheapest month to fly from Seattle (SEA) to Seoul (ICN)
September is typically the cheapest month to fly
From ฿25,842 - ฿34,348 per traveller.
Graph displaying average flight prices per month
Origin airport | Seattle - Tacoma Intl. |
Destination airport | Incheon Intl. |
Return price | ฿27,130 |
Distance | 8326 km |
Average flight time | 27 hours 26 mins |
Perfect flights from Seattle to Seoul
Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Seattle to Seoul. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
Picture yourself strolling through the streets of Incheon, surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
Our flexible Seattle - Tacoma Intl. to Incheon Intl. ticket options cater to your travel preferences, with incredible one-way fares from ฿14,035 and roundtrip prices from ฿27,130. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Incheon Intl. and explore Incheon and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your SEA to ICN travel arrangements today and embark on the journey of a lifetime in Seoul.
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Top Routes from Seattle
- Seattle to Los Angeles (SEA - LAX)
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Top Routes to Seoul
- Los Angeles to Seoul (LAX - ICN)
- Bangkok to Seoul (BKK - ICN)
- Bangkok to Seoul (DMK - ICN)
- Hong Kong to Seoul (HKG - ICN)
- Chiang Rai to Seoul (CEI - ICN)
- Taipei to Seoul (TPE - ICN)
- Chiang Mai to Seoul (CNX - ICN)
- Dubai to Seoul (DXB - ICN)
- Phuket to Seoul (HKT - ICN)
- Tokyo to Seoul (NRT - ICN)
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