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
11/03/25
1 Stopover (IST)
TK0008, TK0020
21h 55min
Return
11/12/25
1 Stopover (IST)
TK0021, TK0187
38h 25min
Turkish Airlines ?
$848
Washington DC
Seoul Incheon
Outbound
11/03/25
1 Stopover (IST)
TK0008, TK0090
31h 10min
Return
11/12/25
1 Stopover (IST)
TK0091, TK0187
25h 00min
Turkish Airlines
$873
Best option
Washington DC
Seoul Incheon
Outbound
11/03/25
1 Stopover (IST)
TK0008, TK0020
21h 55min
Return
11/12/25
1 Stopover (IST)
TK0091, TK0187
25h 00min
Turkish Airlines
$887
Washington DC
Seoul Incheon
Pay attention to transfer at connecting flight
Outbound
09/19/25
1 Stopover (YYC)
WS1619, WS0086
35h 00min
Return
09/29/25
2 Stopovers (SIN, JED)
TW0163, SV0857, SV0035
33h 45min
Westjet
$1,013
Washington DC
Seoul Incheon
Outbound
09/19/25
1 Stopover (YYC)
WS1619, WS0086
35h 00min
Return
09/29/25
1 Stopover (DFW)
AA0280, AA0524
30h 20min
Westjet ?
$1,007
Washington DC
Seoul Incheon
Outbound
09/19/25
1 Stopover (YYC)
WS1619, WS0086
35h 00min
Return
09/29/25
1 Stopover (DFW)
AA0280, AA0524
30h 20min
Westjet ?
$1,086
Washington DC
Seoul Incheon
Outbound
10/18/25
1 Stopover (IST)
TK0188, TK0020
30h 10min
Return
11/17/25
1 Stopover (IST)
TK0091, TK0187
25h 00min
Turkish Airlines ?
$1,104
Washington DC
Seoul Incheon
Outbound
09/19/25
2 Stopovers (LAX, HKG)
AS0309, CX0881, CX0434
27h 11min
Return
09/29/25
2 Stopovers (HKG, SFO)
CX0419, CX0872, AS0434
36h 24min
Alaska Airlines, Cathay Pacific Airways ?
$1,126
Washington DC
Seoul Incheon
Outbound
10/18/25
1 Stopover (SEA)
HA4967, HA0871
23h 10min
Return
11/17/25
1 Stopover (SEA)
HA0872, HA6718
23h 20min
Hawaiian Airlines ?
$1,137
Washington DC
Seoul Incheon
Outbound
10/18/25
1 Stopover (IST)
TK0008, TK0020
22h 00min
Return
11/17/25
1 Stopover (IST)
TK0021, TK0007
46h 30min
Turkish Airlines
$1,146
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 $847.31
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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