Cheapest return flights from Boston to Seoul in May from 959€

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

Return flights

27 May - 05 Jun WestJet
01 May - 10 May Porter Airlines (Canada) Ltd
22 May - 08 Jun Porter Airlines (Canada) Ltd
23 May - 08 Jun Porter Airlines (Canada) Ltd
23 May - 07 Jun Porter Airlines (Canada) Ltd
11 May - 26 May Turkish Airlines
29 May - 10 Jun Porter Airlines (Canada) Ltd
02 May - 16 May Porter Airlines (Canada) Ltd
03 May - 11 May Spirit Airlines
22 May - 06 Jun Porter Airlines (Canada) Ltd
03 May - 25 May Spirit Airlines
07 May - 20 May Alaska Airlines
03 May - 10 May Alaska Airlines
21 May - 25 May Air Canada
07 May - 19 May Alaska Airlines
14 May - 21 May Air Canada
24 May - 14 Jun Air Canada
22 May - 08 Jun Delta direct
27 May - 05 Jun Delta direct
23 May - 08 Jun Korean Air direct

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

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