Cheapest one-way flights from Washington to Seoul in October from 477€

AirHint found the following cheapest one-way flights from Washington (IAD) to Seoul (ICN) in October 2026 (see full year).

One-Way flights

01 Oct EVA Air
14 Oct Air Premia direct
25 Oct Turkish Airlines
09 Oct Sun Country Airlines
10 Oct Turkish Airlines
25 Oct Air Premia direct
22 Oct Alaska Airlines
22 Oct Delta direct
09 Oct Korean Air direct
01 Oct Korean Air direct

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

Powered by

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.

Book a cheap hotel in Seoul

Cheap car rent in Seoul

Feel free to contact us with any feedback or request another flight research.