Cheapest return flights from Boston to Seoul in April from $880

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

Return flights

01 Apr - 08 Apr Hainan Airlines
01 Apr - 12 Apr Hainan Airlines
17 Apr - 26 Apr Hainan Airlines
11 Apr - 18 Apr Turkish Airlines
07 Apr - 14 Apr Alaska Airlines
09 Apr - 26 Apr Alaska Airlines
13 Apr - 23 Apr Cathay Pacific
29 Apr - 06 May jetBlue
16 Apr - 24 Apr Cathay Pacific
24 Apr - 09 May Cathay Pacific
29 Apr - 06 May Korean Air direct
13 Apr - 23 Apr Delta direct
01 Apr - 08 Apr Delta direct
24 Apr - 09 May Delta direct

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

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