Cheapest return flights from Washington to Seoul in April from $883

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 April 2025 (see full year).

Return flights

02 Apr - 09 Apr American Airlines
23 Apr - 06 May American Airlines
02 Apr - 15 Apr American Airlines
03 Apr - 10 Apr British Airways
06 Apr - 13 Apr American Airlines
09 Apr - 16 Apr American Airlines
02 Apr - 30 May American Airlines
10 Apr - 14 Apr Air Canada
07 Apr - 29 Apr Cathay Pacific
04 Apr - 20 Apr Air Canada
23 Apr - 30 Apr British Airways
02 Apr - 30 Apr British Airways
24 Apr - 14 May British Airways
18 Apr - 07 May Air Canada
10 Apr - 01 May jetBlue

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

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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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