Cheapest one-way flights from Washington to Seoul in May from $553

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

06 May Alaska Airlines
24 May Frontier Airlines
25 May Frontier Airlines
07 May Frontier Airlines
03 May Alaska Airlines
21 May Frontier Airlines
26 May Hawaiian Airlines
13 May Frontier Airlines
23 May Frontier Airlines
28 May WestJet

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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