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Cheapest return flights from Washington (IAD) to Seoul (ICN), April

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Dates, airline, and price
Dates	Airline	Price
06 Apr 13 Apr	Qatar Airways
26 Apr 29 May	Qatar Airways
16 Apr 21 Apr	Qatar Airways
06 Apr 13 Apr	Delta Direct Flight
26 Apr 29 May	Korean Air Direct Flight
16 Apr 21 Apr	Delta Direct Flight

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

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Updated Jul 4, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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Cheapest return flights from Washington (IAD) to Seoul (ICN), April

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