| Outbound | Return | Airlines | Shop | Baggage | Price | ||
|---|---|---|---|---|---|---|---|
| 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 | |
| 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 09/25/25 1 Stopover (SFO) UA1757, OZ0211 22h 00min | Return 10/05/25 1 Stopover (SEA) OZ0272, AS0348 19h 03min |  United Airlines, Asiana Airlines |  | $1,627 | ||
| 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 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 | |
| Washington DC Seoul Incheon | Outbound 09/25/25 2 Stopovers (SEA, YVR) AS0375, AS3053, TW0532 23h 35min | Return 10/05/25 1 Stopover (SFO) UA0806, UA1288 33h 45min |  Alaska Airlines, Tway Air |  | ? | $1,354 | |
| Washington DC Seoul Incheon | Outbound 09/25/25 1 Stopover (DXB) EK0232, EK0322 41h 05min | Return 10/05/25 1 Stopover (DXB) EK0323, EK0231 45h 45min |  Emirates Airline |  | $4,421 |
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 %