Cheapest return IAD–ICN flights, October

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

Return flights

26 Oct - 03 Nov Turkish Airlines
09 Oct - 23 Oct Air Premia direct
01 Oct - 15 Oct EVA Air
06 Oct - 06 Nov EVA Air
18 Oct - 31 Oct Alaska Airlines
08 Oct - 19 Oct Alaska Airlines
06 Oct - 06 Nov Korean Air direct
09 Oct - 19 Oct Delta
31 Oct - 06 Nov Air France
06 Oct - 22 Oct Emirates
26 Oct - 03 Nov Delta direct
31 Oct - 06 Nov Delta direct

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

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