Cheapest one-way flights from Washington to Seoul in November from $553

AirHint found the following cheapest one-way flights from Washington (IAD) to Seoul (ICN) in November 2025 (see full year).

One-Way flights

20 Nov Frontier Airlines
13 Nov Turkish Airlines
18 Nov Turkish Airlines
22 Nov Turkish Airlines
20 Nov Korean Air direct
13 Nov Korean Air direct
18 Nov Korean Air direct
01 Nov Korean Air direct
22 Nov Korean Air direct

Also check the deals for return flights from Washington to Seoul in November.

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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