AirHint found the following cheapest one-way flights from Washington (IAD) to Seoul (ICN) in February 2026 (see full year).
One-Way flights
| 04 Feb | Turkish Airlines | ||
| 03 Feb | Turkish Airlines | ||
| 18 Feb | Turkish Airlines | ||
| 21 Feb | Turkish Airlines | ||
| 03 Feb | Korean Air | direct | |
| 04 Feb | Korean Air | direct | |
| 18 Feb | Delta | direct | |
| 21 Feb | Delta | direct |
Also check the deals for return flights from Washington to Seoul in February.
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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