Cheapest return flights from Washington to Seoul in October from 947€

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

Return flights

05 Oct - 21 Oct Turkish Airlines
17 Oct - 07 Nov Alaska Airlines
18 Oct - 07 Nov Turkish Airlines
03 Oct - 21 Oct Alaska Airlines
01 Oct - 29 Oct Etihad Airways
01 Oct - 30 Oct Turkish Airlines
30 Oct - 14 Nov Turkish Airlines
05 Oct - 21 Oct Air Premia direct
22 Oct - 27 Oct Delta direct
01 Oct - 29 Oct Delta direct
01 Oct - 30 Oct Delta direct
03 Oct - 21 Oct Delta direct
07 Oct - 17 Oct Delta direct
17 Oct - 07 Nov Delta direct
18 Oct - 07 Nov Delta direct
30 Oct - 14 Nov Delta direct

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

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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