Flights from Washington DC to Seoul Incheon

Our cheapest offers for flights from Washington DC to Seoul Incheon

Here you can compare cheap flights from Washington DC (IAD) 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
Best option
Washington DC
Seoul Incheon
Outbound
02/13/26
1 Stopover (IST)
TK0008, TK0090
31h 05min
Return
02/26/26
1 Stopover (IST)
TK0091, TK0187
25h 35min
Turkish Airlines ?
$1,115
Washington DC
Seoul Incheon
Outbound
02/13/26
1 Stopover (IST)
TK0008, TK0090
31h 05min
Return
02/26/26
1 Stopover (IST)
TK0091, TK0187
25h 35min
Turkish Airlines
$1,160
Washington DC
Seoul Incheon
Please note: transfer for connecting flight
Outbound
04/03/26
3 Stopovers (AUH, DEL, SGN)
EY0006, EY0216, VN0976, VN0402
35h 50min
Return
04/16/26
2 Stopovers (YYC, YYZ, YTZ)
WS0087, WS0654, PD2721
26h 39min
Etihad Airways, Vietnam Airlines
$1,270
Washington DC
Seoul Incheon
Outbound
04/03/26
1 Stopover (IST)
TK0008, TK0090
31h 00min
Return
04/16/26
1 Stopover (IST)
TK0091, TK0007
33h 25min
Turkish Airlines
$1,352
Washington DC
Seoul Incheon
Outbound
04/03/26
1 Stopover (IST)
TK0008, TK0090
31h 00min
Return
04/16/26
1 Stopover (IST)
TK0091, TK0187
25h 15min
Turkish Airlines ?
$1,438
Washington DC
Seoul Incheon
Outbound
04/03/26
1 Stopover (IST)
TK0008, TK0090
31h 00min
Return
04/16/26
1 Stopover (IST)
TK0091, TK0007
33h 25min
Turkish Airlines ?
$1,517
Washington DC
Seoul Incheon
Outbound
12/11/25
3 Stopovers (EWR, FLL, MIA, SFO)
UA1606, UA0694, UA1957, UA0893
75h 40min
Return
12/22/25
2 Stopovers (PKX, AUH)
CA0132, EY0889, EY0005
32h 15min
United Airlines ?
$1,534
found 3 days ago
Washington DC
Seoul Incheon
Outbound
04/03/26
1 Stopover (LAX)
UA0684, OZ0203
23h 55min
Return
04/16/26
1 Stopover (LAX)
OZ0204, UA0418
23h 54min
United Airlines, Asiana Airlines
$1,833
Washington DC
Seoul Incheon
Outbound
04/03/26
4 Stopovers (MUC, BUD, XIY, TAO)
LH0415, LH1678, MU8658, MU6532, MU2033
48h 50min
Return
04/16/26
2 Stopovers (LAX, SEA)
YP0101, AS1301, AS0367
30h 04min
Lufthansa, China Eastern Airlines ?
$1,958
Washington DC
Seoul Incheon
Outbound
04/03/26
2 Stopovers (DXB, PEK)
EK0232, EK0308, KE0864
28h 45min
Return
04/16/26
1 Stopover (DXB)
EK0323, EK0231
45h 45min
Emirates Airline, Korean Air
$2,015
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from Washington DC to Seoul Incheon

Favorite airline: Turkish Airlines
59 % of travelers choose to book flights on this route with Turkish Airlines, Alaska Airlines and Play.
Turkish Airlines
47 %
Alaska Airlines
6 %
Play
6 %
Favourite connection: via Istanbul
On this route, flights with a stopover in Istanbul are the most popular.
Route
bookings
1 stopover Istanbul
25h 50min, from $1,077
71 %
2 stopovers Los Angeles International Airport, CA Hong Kong International Airport
32h 15min, from $1,388
14 %
1 stopover Amsterdam-Schiphol
34h 00min, from $1,518
10 %

Important flight information

Flight information: Washington DC - Seoul Incheon

Roundtrip from $1,114.71
Flight duration min. 14:40
Return flight duration min. 13:35
Distance 11185 km
Flights per week 8
Departure airport Airport Washington DC - Dulles International Airport, DC (IAD)
Arrival airport Airport Seoul-Incheon International Airport (ICN)
Destination country Flights to South Korea
Alternative flights to Seoul Incheon
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