Cheapest return flights from Washington to Seoul in June from $1395

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

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

Return flights

11 Jun - 21 Jun WestJet
12 Jun - 24 Jun Air Canada
15 Jun - 09 Jul Air Canada
18 Jun - 03 Jul Air Canada
13 Jun - 23 Jun Air Canada
13 Jun - 29 Jun Air Canada
29 Jun - 07 Jul Porter Airlines (Canada) Ltd
24 Jun - 07 Jul TAP
22 Jun - 28 Jun Air France
18 Jun - 23 Jun Alaska Airlines
18 Jun - 03 Jul Korean Air direct
15 Jun - 09 Jul Korean Air direct
11 Jun - 21 Jun Korean Air direct
13 Jun - 23 Jun Delta direct
13 Jun - 29 Jun Korean Air direct
12 Jun - 24 Jun Korean Air direct
24 Jun - 07 Jul Korean Air direct
29 Jun - 07 Jul Delta 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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