Cheapest one-way flights from Washington to Seoul in April from $448

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 April 2025 (see full year).

One-Way flights

08 Apr Frontier Airlines
15 Apr Frontier Airlines
20 Apr Frontier Airlines
23 Apr Frontier Airlines
07 Apr Frontier Airlines
09 Apr Cathay Pacific
04 Apr Air Canada
03 Apr Air Canada
19 Apr Air Canada
21 Apr Air Canada

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

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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