Cheapest return flights from Washington to Seoul in October from $885

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

27 Oct - 07 Nov Turkish Airlines
27 Oct - 12 Nov Turkish Airlines
30 Oct - 12 Nov Turkish Airlines
27 Oct - 10 Nov Turkish Airlines
27 Oct - 15 Nov Turkish Airlines
25 Oct - 01 Nov Turkish Airlines
22 Oct - 29 Oct Turkish Airlines
15 Oct - 18 Nov Turkish Airlines
20 Oct - 15 Nov Turkish Airlines
22 Oct - 15 Nov Turkish Airlines
23 Oct - 09 Nov Turkish Airlines
07 Oct - 29 Oct Air Canada
16 Oct - 25 Oct Turkish Airlines
01 Oct - 18 Oct Air Canada
09 Oct - 23 Oct American Airlines
07 Oct - 28 Oct Air Canada
12 Oct - 25 Oct Air India
11 Oct - 18 Oct Alaska Airlines
01 Oct - 18 Oct Delta direct
22 Oct - 29 Oct Delta 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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