Cheapest one-way flights from Washington to Seoul in April from $469

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

AirHint found the following cheapest one-way flights from Washington (IAD) to Seoul (ICN) in April 2025 (see full year).

One-Way flights

10 Apr American Airlines
30 Apr Air Canada
12 Apr Air India
11 Apr Air Canada
04 Apr Air Canada
10 Apr Korean Air direct
15 Apr Delta direct
11 Apr Korean Air direct
12 Apr Korean Air direct
04 Apr Delta direct

Also check the deals for return flights from Washington to Seoul in April.

Skyscanner

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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