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

9 dates in April 2027, from $ 1,017. Book in one tap, or check whether to buy now or wait.

One-wayReturn
Dates, airline, and price
Dates Airline Price
13 Apr 11 May 2027 EVA Air
5 Apr 14 Apr 2027 Air Premia
Direct Flight
3 Apr 23 Apr 2027 EVA Air
1 Apr 30 Apr 2027 Qatar Airways
24 Apr 16 May 2027 EVA Air
1 Apr 30 Apr 2027 Air Premia
Direct Flight
3 Apr 23 Apr 2027 Air Premia
Direct Flight
24 Apr 16 May 2027 Air Premia
Direct Flight
13 Apr 11 May 2027 Korean Air
Direct Flight
Powered by

Cheapest deals for the full year

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

Book a cheap hotel in Seoul

Cheap car rent in Incheon Intl

Updated Oct 10, 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.

Feel free to contact us with any feedback or request another flight research.