Cheapest return flights from Washington to Seoul in May from $1481

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

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

Return flights

25 May - 08 Jun Hawaiian Airlines
30 May - 03 Jun Hawaiian Airlines
16 May - 30 May Cathay Pacific
29 May - 11 Jun jetBlue
23 May - 01 Jun Cathay Pacific
28 May - 01 Jun Alaska Airlines
19 May - 13 Jun Cathay Pacific
19 May - 26 May Air Canada
24 May - 12 Jun Air Canada
20 May - 27 May Cathay Pacific
29 May - 17 Jun Air Canada
20 May - 01 Jun Cathay Pacific
26 May - 23 Jun Cathay Pacific
21 May - 30 May Air Canada
24 May - 25 May Air Canada
21 May - 23 May Air Canada

Also check the deals for one-way flights from Washington to Seoul in May.

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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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