Cheapest return flights from Washington to Seoul in October from $1069

AirHint found the following cheapest return flights from Washington (IAD) to Seoul (ICN) in October 2026 (see full year).

Return flights

10 Oct - 04 Nov Alaska Airlines
26 Oct - 11 Nov Turkish Airlines
26 Oct - 13 Nov Turkish Airlines
21 Oct - 09 Nov Air Canada
30 Oct - 16 Nov Alaska Airlines
02 Oct - 06 Nov Alaska Airlines
09 Oct - 18 Oct Etihad Airways
09 Oct - 18 Oct Air Premia direct
30 Oct - 16 Nov Air Premia direct
26 Oct - 11 Nov Air Premia direct
21 Oct - 09 Nov Air Premia direct
26 Oct - 13 Nov Air Premia direct

Also check the deals for one-way flights from Washington to Seoul in October.

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