Cheapest return flights from Seoul to Washington in August from $1233

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

AirHint found the following cheapest return flights from Seoul (ICN) to Washington (IAD) in August 2025 (see full year).

Return flights

25 Aug - 18 Sep United
26 Aug - 30 Aug United
15 Aug - 25 Aug Hawaiian Airlines
04 Aug - 11 Aug Scoot Tigerair
29 Aug - 07 Sep Asiana Airlines
29 Aug - 07 Sep Korean Air direct
11 Aug - 17 Aug KLM
08 Aug - 15 Aug Hawaiian Airlines
17 Aug - 23 Aug Air France
12 Aug - 15 Aug United
10 Aug - 25 Aug KLM
10 Aug - 17 Aug KLM
19 Aug - 17 Sep Delta
16 Aug - 20 Aug United
13 Aug - 17 Sep American Airlines
12 Aug - 16 Sep American Airlines
14 Aug - 02 Sep Delta
15 Aug - 02 Sep Delta
25 Aug - 18 Sep Korean Air direct
05 Aug - 02 Sep Delta

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

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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