Cheapest return flights from Boston to Seoul in August from $1106

Best time to book flights for Boston (BOS) to Seoul (ICN) flights at AirHint

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

Return flights

09 Aug - 07 Sep Air Canada
02 Aug - 01 Sep WestJet
26 Aug - 15 Sep Cathay Pacific
14 Aug - 21 Aug Alaska Airlines
18 Aug - 01 Sep WestJet
11 Aug - 30 Aug WestJet
01 Aug - 30 Aug KLM
26 Aug - 15 Sep Korean Air direct
11 Aug - 30 Aug Korean Air direct
14 Aug - 21 Aug Korean Air direct
09 Aug - 07 Sep Korean Air direct

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