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 (DCA) 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
Please note: transfer for connecting flight
Outbound
07/26/26
2 Stopovers (YYZ, YYC)
AC8785, AC0135, WS0086
34h 50min
Return
08/05/26
3 Stopovers (NRT, YVR, YYZ)
LJ0205, ZG0022, AC0188, AC8782
45h 27min
Air Canada, Westjet
$1,343
Washington DC
Seoul Incheon
Outbound
07/26/26
1 Stopover (SFO)
UA0368, UA0893
32h 11min
Return
08/05/26
1 Stopover (SFO)
UA0806, UA1678
18h 17min
United Airlines
$1,614
Best option
Washington DC
Seoul Incheon
Outbound
06/25/26
1 Stopover (YUL)
AC8822, AC0067
17h 45min
Return
06/30/26
1 Stopover (YUL)
AC0068, AC8825
16h 48min
Air Canada
$1,787
Washington DC
Seoul Incheon
Outbound
07/26/26
2 Stopovers (ORD, HKG)
CX7598, CX0801, CX0410
37h 30min
Return
08/05/26
2 Stopovers (HKG, DFW)
CX0419, CX0876, CX7670
41h 46min
Cathay Pacific Airways ?
$1,424
Washington DC
Seoul Incheon
Outbound
06/25/26
1 Stopover (DFW)
AA1839, AA0281
19h 46min
Return
06/30/26
2 Stopovers (YVR, YOW)
TW0531, AC0348, AC8869
27h 50min
American Airlines ?
$1,452
Washington DC
Seoul Incheon
Outbound
07/26/26
1 Stopover (SFO)
UA0368, UA0893
32h 11min
Return
08/05/26
1 Stopover (SFO)
UA0806, UA1678
18h 17min
United Airlines ?
$1,615
Washington DC
Seoul Incheon
Outbound
07/26/26
2 Stopovers (DFW, HEL)
AA1839, AY0020, AY0041
39h 21min
Return
08/05/26
2 Stopovers (HEL, JFK)
AY0042, AY0015, AA4671
46h 59min
American Airlines, Finnair
$1,636
Washington DC
Seoul Incheon
Outbound
07/26/26
1 Stopover (SFO)
UA0382, UA0893
37h 05min
Return
08/05/26
1 Stopover (SFO)
UA0806, UA1678
18h 17min
United Airlines ?
$1,775
Washington DC
Seoul Incheon
Outbound
06/25/26
1 Stopover (YYZ)
AC8781, AC0061
21h 31min
Return
06/30/26
3 Stopovers (NRT, YVR, YYZ)
ZE0601, ZG0022, AC0182, AC8782
47h 12min
Air Canada
$1,782
Washington DC
Seoul Incheon
Outbound
06/25/26
1 Stopover (DFW)
AA1839, AA0281
19h 46min
Return
06/30/26
1 Stopover (DFW)
AA0280, AA2752
18h 10min
American Airlines ?
$1,832
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: Air Canada
Most travelers looking for flights on the route from Washington DC to Seoul Incheon decide to book flights with Air Canada.
Air Canada
33 %
American Airlines
25 %
Alaska Airlines
17 %
Favourite connection: via Dallas and Helsinki
On this route, flights with a stopover in Dallas and Helsinki are the most popular.
Route
bookings
2 stopovers Dallas-Fort Worth International Airport, T Helsinki-Vantaa
33h 10min, from $1,350
67 %
2 stopovers San Francisco International Airport, CA Taiwan-Taoyuan
36h 28min, from $1,361
33 %

Important flight information

Flight information: Washington DC - Seoul Incheon

Roundtrip from $1,342.01
Distance 11207 km
Departure airport Airport Washington DC - Ronald Reagan National Airport, VA (DCA)
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