Cheapest return BOS–ICN flights, August

AirHint found the following cheapest return flights from Boston (BOS) to Seoul (ICN) in August 2026 (see full year).

Return flights

30 Aug - 08 Sep WestJet
22 Aug - 07 Sep WestJet
30 Aug - 06 Sep WestJet
23 Aug - 31 Aug WestJet
03 Aug - 02 Sep WestJet
06 Aug - 02 Sep WestJet
08 Aug - 30 Aug Porter Airlines (Canada) Ltd
03 Aug - 08 Aug Turkish Airlines
27 Aug - 06 Sep Air Canada
06 Aug - 16 Aug Air Canada
20 Aug - 30 Aug Delta
01 Aug - 30 Aug KLM

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

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