Cheapest return flights from Washington to Seoul in April from 893€

AirHint found the following cheapest return flights from Washington (IAD) to Seoul (ICN) in April 2026 (see full year).

Return flights

01 Apr - 10 Apr Air Canada
14 Apr - 23 Apr Hawaiian Airlines
14 Apr - 21 Apr Turkish Airlines
12 Apr - 20 Apr Turkish Airlines
04 Apr - 19 Apr Turkish Airlines
14 Apr - 21 Apr Korean Air direct
01 Apr - 20 Apr Delta direct
09 Apr - 16 Apr Delta direct
13 Apr - 20 Apr Delta direct
15 Apr - 22 Apr Delta direct

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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