Cheap flight from Seattle to Seoul from $1,241
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Flights from Seattle to Seoul
Find cheap airlines flights from Seattle to Seoul
Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.
Cheap flight deals from Seattle to Seoul
We've found these cheap flights for you. You can book one-way or round-trip flight tickets.
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Round-trip
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One way
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Cheapest nonstop
SEA 2:30 PM11h 25mNonstopICN 5:55 PMSeattle - Seoul | Sun, Jul 13 | Asiana Airlines
ICN 6:20 PM10h 25mNonstopSEA 12:45 PMSeoul - Seattle | Sun, Jul 20 | Asiana Airlines$1,241 $1,3589% OFF9% OFF$1,358 $1,241 -
SEA 1:20 PM11h 20mNonstopICN 4:40 PMSeattle - Seoul | Tue, Jul 8 | Korean Air
ICN 4:40 PM10h 10mNonstopSEA 10:50 AMSeoul - Seattle | Tue, Jul 15 | Korean Air$1,249 $1,3588% OFF8% OFF$1,358 $1,249 -
SEA 7:00 AM21h 30m1 stopsICN 8:30 PMSeattle - Seoul | Fri, Jul 11 | Hawaiian Airlines
ICN 6:20 PM20h 42m1 stopsSEA 11:02 PMSeoul - Seattle | Fri, Jul 18 | Air Premia$1,077 $1,35821% OFF21% OFF$1,358 $1,077 -
SEA 7:10 PM45h 30m1 stopsICN 8:40 AMSeattle - Seoul | Sun, Jul 13 | Turkish Airlines
ICN 10:20 AM40h 15m1 stopsSEA 10:35 AMSeoul - Seattle | Fri, Jul 18 | Turkish Airlines$1,09419% OFF$1,358 $1,094 -
SEA 12:30 PM28h 50m1 stopsICN 9:20 AMSeattle - Seoul | Thu, Jul 10 | Turkish Airlines
ICN 10:20 AM40h 15m1 stopsSEA 10:35 AMSeoul - Seattle | Fri, Jul 18 | Turkish Airlines$1,09819% OFF$1,358 $1,098
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SEA 7:10 PM30h 30m1 stopsICN 5:40 PMSeattle - Seoul | Tue, Jul 8 | Turkish Airlines
ICN 10:25 AM46h 50m1 stopsSEA 5:15 PMSeoul - Seattle | Tue, Jul 15 | Turkish Airlines$1,10319% OFF$1,358 $1,103
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SEA 7:10 PM30h 30m1 stopsICN 5:40 PMSeattle - Seoul | Wed, Jul 9 | Turkish Airlines
ICN 10:25 AM40h 10m1 stopsSEA 10:35 AMSeoul - Seattle | Wed, Jul 16 | Turkish Airlines$1,11018% OFF$1,358 $1,110
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SEA 1:13 PM16h 22m1 stopsICN 9:35 PMSeattle - Seoul | Sun, Jul 13 | Alaska Airlines
GMP 1:50 PM22h1 stopsSEA 7:50 PMSeoul - Seattle | Fri, Jul 18 | EVA Air$1,11018% OFF$1,358 $1,110 -
SEA 8:25 AM18h 20m1 stopsICN 6:45 PMSeattle - Seoul | Wed, Jun 18 | WestJet
GMP 1:50 PM21h 40m1 stopsSEA 7:30 PMSeoul - Seattle | Sat, Jun 21 | EVA Air$1,11618% OFF$1,358 $1,116 -
SEA 7:35 PM31h 10m1 stopsICN 6:45 PMSeattle - Seoul | Fri, Jul 4 | WestJet
ICN 6:20 PM16h 34m1 stopsSEA 6:54 PMSeoul - Seattle | Fri, Jul 11 | Air Premia$1,12117% OFF$1,358 $1,121
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SEA 6:59 PM17h 21m1 stopsICN 4:20 AMSeattle - Seoul | Fri, Jul 11 | Alaska Airlines
ICN 4:50 PM22h 12m1 stopsSEA 11:02 PMSeoul - Seattle | Fri, Jul 18 | United Airlines$1,12317% OFF$1,358 $1,123
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SEA 2:10 AM18h 40m1 stopsGMP 12:50 PMSeattle - Seoul | Thu, Aug 14 | EVA Air
ICN 10:10 PM23h 50m1 stopsSEA 6:00 AMSeoul - Seattle | Mon, Aug 18 | Air Premia$1,12617% OFF$1,358 $1,126 -
SEA 1:00 PM17h 25m1 stopsSEL Invalid DateSeattle - Seoul | Thu, Jun 19 | Normal Airline
SEL 3:00 PM6hNonstopSEA 4:00 PMSeoul - Seattle | Sat, Jun 21 | Normal AirlineFind More FlightsFind More Flights
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Cheapest nonstop
SEA 2:30 PM11h 25mNonstopICN 5:55 PMSeattle - Seoul | Sun, Aug 3 | Asiana Airlines$596 $6569% OFF9% OFF$656 $596
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SEA 2:30 PM11h 25mNonstopICN 5:55 PMSeattle - Seoul | Mon, Aug 4 | Asiana Airlines$604 $6568% OFF8% OFF$656 $604
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SEA 7:10 AM22h 25m1 stopsICN 9:35 PMSeattle - Seoul | Tue, Jul 15 | Delta Air Lines$448 $65632% OFF32% OFF$656 $448 -
SEA 8:41 AM20h 54m1 stopsICN 9:35 PMSeattle - Seoul | Sun, Jul 13 | Alaska Airlines$45131% OFF$656 $451
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SEA 8:41 AM20h 54m1 stopsICN 9:35 PMSeattle - Seoul | Sat, Jul 19 | Alaska Airlines$45131% OFF$656 $451
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SEA 8:41 AM20h 54m1 stopsICN 9:35 PMSeattle - Seoul | Tue, Jul 15 | Alaska Airlines$45131% OFF$656 $451
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SEA 10:57 PM30h 38m1 stopsICN 9:35 PMSeattle - Seoul | Wed, Jul 16 | Alaska Airlines$45131% OFF$656 $451
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SEA 8:10 AM20h 20m1 stopsICN 8:30 PMSeattle - Seoul | Wed, Jul 23 | Alaska Airlines$45730% OFF$656 $457
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SEA 6:40 AM21h 50m1 stopsICN 8:30 PMSeattle - Seoul | Sat, Jul 12 | Delta Air Lines$45730% OFF$656 $457
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SEA 10:25 AM18h 5m1 stopsICN 8:30 PMSeattle - Seoul | Wed, Jul 16 | Delta Air Lines$45830% OFF$656 $458
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SEA 10:05 PM30h 25m1 stopsICN 8:30 PMSeattle - Seoul | Thu, Jul 10 | Delta Air Lines$46230% OFF$656 $462
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SEA 8:10 AM20h 20m1 stopsICN 8:30 PMSeattle - Seoul | Wed, Jul 9 | Alaska Airlines$46428% OFF$656 $464
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SEA 1:00 PM17h 25m1 stopsSEL Invalid DateSeattle - Seoul | Thu, Jun 19 | Normal AirlineFind More FlightsFind More Flights
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
Flight Info | Seattle to Seoul
| Cheapest one-way flight price | $447 |
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| Cheapest round-trip ticket price | $876 |
| Off-season for travel | April |
| Peak season for travel | March |
| Flight distance | 8,341.99 km |
| Average flight time | 11 hours 43 minutes |
| Popular airline | Alaska Airlines |
When is the cheapest time to fly from Seattle to Seoul?
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Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Frequently Asked Questions
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When are flight tickets from Seattle (SEA) to Seoul (SEL) the cheapest?
Airlines adjust prices for flights from Seattle to Seoul based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays. -
How much do flights from Seattle (SEA) to Seoul (SEL) cost?
According to Trip.com's data, the lowest price is around $1,370. -
How long does it take to fly from Seattle (SEA) to Seoul (SEL) and what is the distance?
It takes around 11 hours 43 minutes to fly from Seattle (SEA) to Seoul (SEL). -
What are the most popular airlines that fly from Seattle (SEA) to Seoul (SEL)?
Airlines with flights from Seattle (SEA) to Seoul (SEL): United Airlines, Delta Air Lines, Thai Airways, Singapore Airlines, Korean Air and Asiana Airlines.
How to find a cheap flight from Seattle to Seoul
Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Seattle to Seoul. Book your flights at the right time and save more.
Be flexible with your travel dates to get the cheapest Seattle to Seoul ticket.
Tap "Date" in the flight search bar to browse the calendar and find airfare from Seattle to Seoul for the next six months in 2025. If you're looking to fly within the next three months, the lowest fare is $596 for a one-way ticket on Sun, Aug 3.
Compare cheap Seattle to Seoul flight deals from hundreds of airlines.
Our powerful search system compares prices from over 500 airlines. So you can find the cheapest flights from Seattle to Seoul. The most affordable airline currently operating on this route is Asiana Airlines.
Set up a Price Alert to track fare drops.
Set up a Price Alert for your Seattle to Seoul route to track ticket prices effortlessly—no need to check manually every day.
Don't miss out on cheap Seattle to Seoul flight deals and promo codes.
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Book early or wait unitl the last minute to fine the best fares.
It's always better to book early! Airlines typically release their lowest fares about a year before departure, so check as soon as flights become available. If you miss that window, you may still find great deals closer to your travel date.
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For the best booking experience on the go, download Trip.com and search for cheap flights from Seattle to Seoul to access exclusive deals just for you.
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