Cheapest one-way flights from Washington to Seoul in May from $681

Best time to book flights for Washington (DCA) to Seoul (ICN) flights at AirHint

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

One-Way flights

24 May Hawaiian Airlines
21 May Hawaiian Airlines
26 May Alaska Airlines
25 May Frontier Airlines
20 May Hawaiian Airlines
18 May Air Canada
23 May Frontier Airlines
22 May Alaska Airlines
31 May Alaska Airlines

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

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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