Cheapest return flights from Boston to Seoul in May from $930

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 May 2025 (see full year).

Return flights

14 May - 21 May Turkish Airlines
13 May - 20 May Turkish Airlines
10 May - 13 Jun Hawaiian Airlines
26 May - 30 May Scandinavian Airlines
18 May - 12 Jun Etihad Airways
10 May - 16 May United
10 May - 12 May United
20 May - 25 Jun Turkish Airlines
23 May - 27 May Air Canada
10 May - 31 May Hawaiian Airlines
18 May - 15 Jun Etihad Airways
19 May - 26 May Cathay Pacific
15 May - 22 May Air Canada
18 May - 25 May Air Canada
29 May - 26 Jun Air France
20 May - 24 Jun Air France
26 May - 02 Jun United
27 May - 03 Jun United
28 May - 04 Jun United
29 May - 05 Jun United

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