Cheapest return flights from Seoul to Boston in May from $1663

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

Return flights

20 May - 31 May Asiana Airlines
21 May - 23 Jun Japan Airlines
05 May - 10 May Japan Airlines
15 May - 25 May Japan Airlines
06 May - 14 May Japan Airlines
14 May - 30 May Japan Airlines
15 May - 30 May Japan Airlines
05 May - 14 May Japan Airlines
02 May - 24 May Japan Airlines
01 May - 09 May Japan Airlines
01 May - 08 May Japan Airlines

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

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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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