
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 ฿14,050 for one-way flights and ฿26,030 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, 11 Sep - Mon, 15 Sep
SEA
Seattle
ICN
Seoul
฿26,030 Return, found 4 days ago
฿26,030
Return
found 4 days ago

Mon, 8 Sep - Fri, 12 Sep
SEA
Seattle
ICN
Seoul
฿27,250 Return, found 2 days ago
฿27,250
Return
found 2 days ago

Sat, 13 Sep - Mon, 15 Sep
SEA
Seattle
ICN
Seoul
฿27,255 Return, found 4 days ago
฿27,255
Return
found 4 days ago

Sat, 13 Sep - Mon, 15 Sep
SEA
Seattle
ICN
Seoul
฿27,460 Return, found 4 days ago
฿27,460
Return
found 4 days ago

Sat, 13 Sep - Mon, 15 Sep
SEA
Seattle
ICN
Seoul
฿27,490 Return, found 4 days ago
฿27,490
Return
found 4 days ago

Sat, 13 Sep - Mon, 15 Sep
SEA
Seattle
ICN
Seoul
฿27,520 Return, found 4 days ago
฿27,520
Return
found 4 days ago

Sat, 13 Sep - Mon, 15 Sep
SEA
Seattle
ICN
Seoul
฿27,550 Return, found 4 days ago
฿27,550
Return
found 4 days ago

Mon, 8 Sep - Fri, 12 Sep
SEA
Seattle
ICN
Seoul
฿27,640 Return, found 2 days ago
฿27,640
Return
found 2 days ago

Sat, 13 Sep - Mon, 15 Sep
SEA
Seattle
ICN
Seoul
฿27,645 Return, found 4 days ago
฿27,645
Return
found 4 days ago

Sat, 13 Sep - Mon, 15 Sep
SEA
Seattle
ICN
Seoul
฿27,845 Return, found 4 days ago
฿27,845
Return
found 4 days ago
Find the cheapest month to fly from Seattle (SEA) to Seoul (ICN)
September is typically the cheapest month to fly
From ฿25,128 - ฿36,591 per traveller.
Graph displaying average flight prices per month
Origin airport | Seattle - Tacoma Intl. |
Destination airport | Incheon Intl. |
Return price | ฿26,030 |
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 , 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 ฿14,050 and roundtrip prices from ฿26,030. 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 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 to travel arrangements today and embark on the journey of a lifetime in Seoul.
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Top Routes from Seattle
- Seattle to Chicago (SEA - ORD)
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Top Routes to Seoul
- Shanghai to Seoul (PVG - ICN)
- Phoenix to Seoul (PHX - ICN)
- Los Angeles to Seoul (LAX - ICN)
- Bangkok to Seoul (BKK - ICN)
- Bangkok to Seoul (DMK - ICN)
- Kuala Lumpur to Seoul (KUL - ICN)
- Hong Kong to Seoul (HKG - ICN)
- Vientiane to Seoul (VTE - ICN)
- Chiang Rai to Seoul (CEI - ICN)
- Taipei to Seoul (TPE - ICN)
- Chiang Mai to Seoul (CNX - ICN)
- Phuket to Seoul (HKT - ICN)
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Top Routes to Seoul
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