Cheapest return IAD–ICN flights, June

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

Return flights

05 Jun - 23 Jun Porter Airlines (Canada) Ltd
10 Jun - 25 Jun Porter Airlines (Canada) Ltd
03 Jun - 25 Jun Porter Airlines (Canada) Ltd
09 Jun - 23 Jun Alaska Airlines
05 Jun - 24 Jun Porter Airlines (Canada) Ltd
01 Jun - 14 Jun WestJet
07 Jun - 26 Jun Porter Airlines (Canada) Ltd
03 Jun - 24 Jun Porter Airlines (Canada) Ltd
08 Jun - 25 Jun Porter Airlines (Canada) Ltd
07 Jun - 01 Jul Porter Airlines (Canada) Ltd
10 Jun - 24 Jun Porter Airlines (Canada) Ltd
17 Jun - 16 Jul Porter Airlines (Canada) Ltd
05 Jun - 01 Jul Porter Airlines (Canada) Ltd
05 Jun - 20 Jul Porter Airlines (Canada) Ltd
10 Jun - 01 Jul Porter Airlines (Canada) Ltd
03 Jun - 01 Jul Porter Airlines (Canada) Ltd
08 Jun - 01 Jul Porter Airlines (Canada) Ltd
09 Jun - 01 Jul Alaska Airlines
06 Jun - 01 Jul Porter Airlines (Canada) Ltd
17 Jun - 01 Jul Porter Airlines (Canada) Ltd

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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