Cheapest one-way flights from Washington to Seoul in March from $442

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

One-Way flights

10 Mar Frontier Airlines
05 Mar Frontier Airlines
02 Mar Frontier Airlines
09 Mar Etihad Airways
21 Mar Etihad Airways
07 Mar Porter Airlines (Canada) Ltd
01 Mar Etihad Airways
03 Mar Etihad Airways
24 Mar Etihad Airways
20 Mar Alaska Airlines

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

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.