Cheapest one-way flights from Washington to Seoul in June from $843

AirHint found the following cheapest one-way flights from Washington (DCA) to Seoul (ICN) in June 2025 (see full year).

One-Way flights

24 Jun Hawaiian Airlines
25 Jun Cathay Pacific
29 Jun Hawaiian Airlines
26 Jun Frontier Airlines
28 Jun Alaska Airlines
23 Jun Hawaiian Airlines
27 Jun Hawaiian Airlines
22 Jun Air Canada
13 Jun Frontier Airlines

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

Skyscanner

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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