Flight Routes from Washington DC to Seoul Incheon

Trip type

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
Washington DC
Seoul Incheon
Outbound
07/26/26
1 Stopover (IST)
TK0008, TK0090
30h 55min
Return
08/05/26
1 Stopover (IST)
TK0091, TK0187
25h 15min
Turkish Airlines ?
$1,230
Best option
Washington DC
Seoul Incheon
Outbound
07/26/26
direct
YP0136
15h 35min
Return
08/05/26
direct
YP0135
13h 50min
Air Premia
$1,381
Washington DC
Seoul Incheon
Outbound
07/26/26
1 Stopover (IST)
TK0008, TK0090
30h 55min
Return
08/05/26
1 Stopover (IST)
TK0091, TK0187
25h 15min
Turkish Airlines
$1,273
Washington DC
Seoul Incheon
Please note: transfer for connecting flight
Outbound
06/25/26
1 Stopover (ATL)
KE3581, KE5040
18h 10min
Return
06/30/26
1 Stopover (SEA)
KE5019, AS0406
17h 59min
Korean Air
$2,491
Washington DC
Seoul Incheon
Outbound
05/16/26
2 Stopovers (LAX, TPE)
AA0436, BR0015, BR0170
39h 50min
Return
05/29/26
2 Stopovers (TPE, LAX)
BR0169, BR0012, AA0251
30h 00min
American Airlines, EVA Airways ?
$1,273
Washington DC
Seoul Incheon
Outbound
05/16/26
2 Stopovers (SEA, TPE)
AS0351, BR0023, BR0170
40h 00min
Return
05/29/26
1 Stopover (YVR)
AC0064, AC4813
25h 37min
Alaska Airlines, EVA Airways ?
$1,357
Washington DC
Seoul Incheon
Outbound
06/25/26
1 Stopover (DFW)
AA2617, AA0281
20h 27min
Return
06/30/26
2 Stopovers (YVR, YYZ, YTZ)
TW0531, AC0106, AC8540
32h 02min
American Airlines ?
$1,443
Washington DC
Seoul Incheon
Outbound
05/16/26
1 Stopover (IST)
TK0008, TK0090
30h 55min
Return
05/29/26
1 Stopover (IST)
TK0021, TK0187
38h 20min
Turkish Airlines
$1,485
Washington DC
Seoul Incheon
Outbound
05/16/26
1 Stopover (IST)
TK0008, TK0090
30h 55min
Return
05/29/26
1 Stopover (IST)
TK0021, TK0187
38h 20min
Turkish Airlines
$1,497
Washington DC
Seoul Incheon
Outbound
05/16/26
4 Stopovers (MUC, BUD, PVG, TAO)
LH0415, LH1678, MU8640, MU5521, MU2043
81h 20min
Return
05/29/26
2 Stopovers (BKK, IST)
VZ0851, TK0059, TK0187
60h 25min
Lufthansa, China Eastern Airlines ?
$1,605
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 $1,229.43
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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