Flight Routes from Seattle Tacoma to Seoul Incheon

Trip type

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
08/20/26
1 Stopover (YYC)
WS1555, WS0086
31h 10min
Return
08/25/26
1 Stopover (MNL)
PR0401, PR0124
28h 45min
Westjet ?
$997
Best option
Seattle-Tacoma
Seoul Incheon
Outbound
08/20/26
direct
KE5020
11h 45min
Return
08/25/26
direct
KE5019
10h 37min
Korean Air ?
$1,286
Seattle-Tacoma
Seoul Incheon
Outbound
08/20/26
1 Stopover (YVR)
AC8801, AC0063
18h 20min
Return
08/25/26
2 Stopovers (HKG, YVR)
HX0627, AC0008, AC8798
23h 32min
Air Canada
$1,096
Seattle-Tacoma
Seoul Incheon
Outbound
08/20/26
1 Stopover (YYC)
WS1555, WS0086
31h 10min
Return
08/25/26
1 Stopover (MNL)
PR0401, PR0124
28h 45min
Westjet
$1,056
Seattle-Tacoma
Seoul Incheon
Outbound
08/20/26
1 Stopover (YVR)
AC8801, AC0063
18h 20min
Return
08/25/26
2 Stopovers (HKG, YVR)
HX0627, AC0008, AC8798
23h 32min
Air Canada
$1,101
Seattle-Tacoma
Seoul Incheon
Outbound
08/20/26
1 Stopover (YVR)
AC8803, AC0063
13h 20min
Return
08/25/26
1 Stopover (YVR)
AC0064, AC8804
12h 37min
Air Canada
$1,194
Seattle-Tacoma
Seoul Incheon
Outbound
08/20/26
1 Stopover (TPE)
BR0025, BR0160
24h 35min
Return
08/25/26
1 Stopover (TPE)
BR0169, BR0026
23h 50min
EVA Airways
$1,211
Seattle-Tacoma
Seoul Incheon
Outbound
08/20/26
1 Stopover (YYC)
WS1555, WS0086
31h 10min
Return
08/25/26
1 Stopover (TPE)
BR0169, BR0026
23h 50min
Westjet ?
$1,221
Seattle-Tacoma
Seoul Incheon
Outbound
08/20/26
1 Stopover (YYC)
WS1553, WS0086
16h 15min
Return
08/25/26
direct
OZ0272
10h 25min
Westjet
$1,263
Seattle-Tacoma
Seoul Incheon
Outbound
08/20/26
1 Stopover (TPE)
BR0025, BR0160
24h 35min
Return
08/25/26
1 Stopover (TPE)
BR0169, BR0026
23h 50min
EVA Airways ?
$1,281
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 $996.73
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
Departure airport - Destination country Seattle-Tacoma International Airport, WA - South Korea
Departure airport - City-Code Seattle-Tacoma International Airport, WA - Seoul
Alternative flights to Seoul Incheon
Flight destinations with a similar price
Flight destinations with a similar price