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
Washington DC
Seoul Incheon
Outbound
11/09/25
2 Stopovers (SFO, MNL)
UA0796, PR0105, PR0402
37h 15min
Return
12/07/25
2 Stopovers (MNL, SFO)
PR0401, PR0104, UA1299
38h 00min
United Airlines, Philippine Airlines ?
$979
Best option
Washington DC
Seoul Incheon
Outbound
09/25/25
1 Stopover (YUL)
AC8724, AC0067
17h 40min
Return
10/05/25
1 Stopover (YYZ)
AC0062, AC8616
27h 33min
Air Canada ?
$1,132
Washington DC
Seoul Incheon
Outbound
11/09/25
1 Stopover (IST)
TK0188, TK0090
38h 50min
Return
12/07/25
1 Stopover (IST)
TK0091, TK0007
33h 05min
Turkish Airlines
$1,158
Washington DC
Seoul Incheon
Outbound
09/25/25
1 Stopover (SEA)
AS0351, OZ0271
21h 55min
Return
10/05/25
2 Stopovers (YUL, YYZ)
AC0068, AC0403, AC8618
32h 38min
Alaska Airlines, Asiana Airlines ?
$1,093
Washington DC
Seoul Incheon
Outbound
09/25/25
1 Stopover (YUL)
AC8724, AC0067
17h 40min
Return
10/05/25
2 Stopovers (YUL, YYZ)
AC0068, AC7773, AC8616
28h 38min
Air Canada
$1,115
Washington DC
Seoul Incheon
Outbound
09/25/25
1 Stopover (YUL)
AC8724, AC0067
17h 40min
Return
10/05/25
2 Stopovers (YUL, YYZ)
AC0068, AC0429, AC8616
28h 38min
Air Canada
$1,123
Washington DC
Seoul Incheon
Outbound
11/09/25
1 Stopover (SEA)
AS0351, OZ0271
31h 37min
Return
12/07/25
1 Stopover (SEA)
OZ0272, AS0367
23h 15min
Alaska Airlines, Asiana Airlines ?
$1,163
Washington DC
Seoul Incheon
Outbound
11/09/25
1 Stopover (YYZ)
AC3934, AC0061
35h 10min
Return
12/07/25
1 Stopover (YYZ)
AC0062, AC8618
33h 41min
Air Canada ?
$1,177
Washington DC
Seoul Incheon
Outbound
11/09/25
1 Stopover (IST)
TK0008, TK0090
31h 10min
Return
12/07/25
1 Stopover (IST)
TK0091, TK0187
25h 35min
Turkish Airlines
$1,202
Washington DC
Seoul Incheon
Outbound
09/25/25
1 Stopover (SEA)
AS0351, OZ0271
21h 55min
Return
10/05/25
2 Stopovers (YUL, YYZ)
AC0068, AC0429, AC8616
28h 38min
Alaska Airlines, Asiana Airlines ?
$1,225
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 $978.60
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
Flight destinations with a similar price
Flight destinations with a similar price