Cheapest return flights from Washington to Seoul in October from $986

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

Return flights

26 Oct - 16 Nov Alaska Airlines
29 Oct - 14 Nov EVA Air
02 Oct - 18 Oct Alaska Airlines
02 Oct - 10 Oct EVA Air
02 Oct - 23 Oct EVA Air
30 Oct - 14 Nov Alaska Airlines
04 Oct - 07 Nov Turkish Airlines
05 Oct - 07 Nov Turkish Airlines
02 Oct - 23 Oct Air Premia direct
06 Oct - 07 Nov Turkish Airlines
26 Oct - 16 Nov Air Premia direct
16 Oct - 01 Nov Alaska Airlines
02 Oct - 18 Oct Air Premia direct
16 Oct - 01 Nov Air Premia direct
05 Oct - 07 Nov Korean Air direct

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

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