Cheapest return flights from Washington to Seoul in January from 874€

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

Return flights

14 Jan - 24 Feb Turkish Airlines
08 Jan - 29 Jan Turkish Airlines
14 Jan - 21 Jan Turkish Airlines
07 Jan - 27 Jan Turkish Airlines
05 Jan - 17 Jan Turkish Airlines
07 Jan - 26 Jan Turkish Airlines
28 Jan - 25 Feb Turkish Airlines
10 Jan - 16 Jan Turkish Airlines
06 Jan - 12 Jan Air Canada
04 Jan - 13 Jan Turkish Airlines
15 Jan - 19 Jan Turkish Airlines
14 Jan - 24 Feb Korean Air direct
14 Jan - 21 Jan Delta direct
28 Jan - 25 Feb Delta direct

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

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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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