Cheapest return flights from Washington to Seoul in June from $1088

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

Return flights

01 Jun - 14 Jun Alaska Airlines
01 Jun - 07 Jun Alaska Airlines
01 Jun - 18 Jun Alaska Airlines
01 Jun - 24 Jun Alaska Airlines
01 Jun - 19 Jun Alaska Airlines
01 Jun - 06 Jun Alaska Airlines
19 Jun - 08 Jul SWISS
01 Jun - 08 Jun Alaska Airlines
03 Jun - 24 Jun Porter Airlines (Canada) Ltd
01 Jun - 17 Jun Alaska Airlines
24 Jun - 05 Jul Royal Air Maroc
02 Jun - 17 Jun Frontier Airlines
19 Jun - 10 Jul Porter Airlines (Canada) Ltd
19 Jun - 11 Jul SWISS
05 Jun - 20 Jul Air Premia direct
19 Jun - 12 Jul Porter Airlines (Canada) Ltd
22 Jun - 13 Jul Air Premia direct
24 Jun - 05 Jul Air Premia direct
19 Jun - 08 Jul Air Premia direct
19 Jun - 10 Jul Air Premia direct

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

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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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