Flights from Seattle Tacoma to Seoul Incheon

Our cheapest offers for flights from Seattle Tacoma to Seoul Incheon

Here you can compare cheap flights from Seattle Tacoma (SEA) to Seoul Incheon (ICN) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Seoul Incheon. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Seattle-Tacoma
Seoul Incheon
Outbound
04/09/26
1 Stopover (YVR)
AC8801, AC0063
18h 15min
Return
04/17/26
2 Stopovers (HKG, YVR)
HX0627, AC0008, AC8798
23h 03min
Air Canada
$850
Best option
Seattle-Tacoma
Seoul Incheon
Outbound
04/09/26
direct
KE0042
11h 50min
Return
04/17/26
direct
KE0041
10h 00min
Korean Air ?
$865
Seattle-Tacoma
Seoul Incheon
Outbound
04/09/26
1 Stopover (YVR)
AC8801, AC0063
18h 15min
Return
04/17/26
2 Stopovers (HKG, YVR)
HX0627, AC0008, AC8798
23h 03min
Air Canada
$851
Seattle-Tacoma
Seoul Incheon
Outbound
04/09/26
1 Stopover (LAX)
KE3455, KE0012
23h 30min
Return
04/17/26
direct
KE0041
10h 00min
Korean Air
$864
Seattle-Tacoma
Seoul Incheon
Outbound
04/09/26
direct
KE0042
11h 50min
Return
04/17/26
direct
KE0041
10h 00min
Korean Air
$873
Seattle-Tacoma
Seoul Incheon
Outbound
04/09/26
1 Stopover (LAX)
KE7270, KE0012
19h 05min
Return
04/17/26
direct
KE5019
10h 40min
Korean Air ?
$876
Seattle-Tacoma
Seoul Incheon
Outbound
04/09/26
1 Stopover (SFO)
UA2121, UA0805
27h 18min
Return
04/17/26
1 Stopover (SFO)
UA0892, UA1007
22h 46min
United Airlines ?
$1,015
Seattle-Tacoma
Seoul Incheon
Outbound
04/09/26
1 Stopover (TPE)
BR0025, BR0160
25h 15min
Return
04/17/26
1 Stopover (TPE)
BR0159, BR0026
15h 45min
EVA Airways ?
$1,061
Seattle-Tacoma
Seoul Incheon
Outbound
04/09/26
2 Stopovers (SFO, YVR)
UA0499, UA2051, TW0532
22h 38min
Return
04/17/26
2 Stopovers (NRT, TPE)
ZG0046, BR0195, BR0024
45h 55min
United Airlines, Tway Air ?
$1,351
Seattle-Tacoma
Seoul Incheon
Outbound
04/09/26
1 Stopover (DXB)
EK0230, EK0322
31h 45min
Return
04/17/26
1 Stopover (DXB)
EK0325, EK0229
30h 40min
Emirates Airline
$1,583
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from Seattle Tacoma to Seoul Incheon

Favorite airline: Turkish Airlines
59 % of flights booked on the route from Seattle-Tacoma to Seoul Incheon are booked with Turkish Airlines, Korean Air and Asiana Airlines.
Turkish Airlines
37 %
Korean Air
11 %
Asiana Airlines
11 %
Direct flights are more expensive
Compared to flights with a stopover, direct flights are $178.00 more expensive on this route.
non stop flight
1 stop
2 stops
11h 25min
31h 15min
30h 30min
$1,225
$1,047
$4,882
Favourite connection: via Istanbul
When booking flights from Seattle-Tacoma to Seoul Incheon 70 % of travelers prefer to fly via Istanbul.
Route
bookings
1 stopover Istanbul
31h 15min, from $1,047
70 %
1 stopover Honolulu International Airport, HI
19h 25min, from $1,080
20 %
2 stopovers Tokyo-Narita International Airport Tokyo-Haneda International Airport Fukuoka
30h 30min, from $4,882
10 %

Important flight information

Flight information: Seattle-Tacoma - Seoul Incheon

Roundtrip from $849.75
Flight duration min. 11:50 / max. 12:14
Return flight duration min. 09:55/ max. 10:38
Distance 8382 km
Flights per week 20
Departure airport Airport Seattle-Tacoma International Airport, WA (SEA)
Arrival airport Airport Seoul-Incheon International Airport (ICN)
Destination country Flights to South Korea
Alternative flights to Seoul Incheon
Flight destinations with a similar price
Flight destinations with a similar price