AirHint found the following cheapest one-way flights from Washington (DCA) to Seoul (ICN) in May 2026 (see full year).
One-Way flights
| 02 May | jetBlue | ||
| 11 May | Alaska Airlines | ||
| 17 May | Air Canada | ||
| 04 May | Alaska Airlines | ||
| 18 May | Air Canada | ||
| 23 May | Air Canada | ||
| 08 May | Alaska Airlines | ||
| 13 May | Alaska Airlines |
Also check the deals for return flights from Washington to Seoul in May.
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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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