Cheapest return flights from Washington to Seoul in October from 1105€

Best time to book flights for Washington (IAD) to Seoul (ICN) flights at AirHint

AirHint found the following cheapest return flights from Washington (IAD) to Seoul (ICN) in October 2025 (see full year).

Return flights

01 Oct - 10 Oct Turkish Airlines
01 Oct - 18 Oct Turkish Airlines
02 Oct - 16 Oct Air Canada
28 Oct - 05 Nov Air Canada
16 Oct - 02 Nov Air Canada
03 Oct - 08 Oct Alaska Airlines
04 Oct - 11 Oct Alaska Airlines
28 Oct - 05 Nov Delta direct
01 Oct - 10 Oct Delta direct
04 Oct - 11 Oct Delta direct
11 Oct - 26 Oct Alaska Airlines
03 Oct - 08 Oct Korean Air direct

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

Skyscanner

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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