Cheapest return flights from Boston to Seoul in April from 812€

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

Return flights

09 Apr - 26 Apr Alaska Airlines
08 Apr - 18 Apr Frontier Airlines
23 Apr - 08 May Turkish Airlines
17 Apr - 26 Apr Hainan Airlines
08 Apr - 20 Apr Cathay Pacific
16 Apr - 27 Apr Alaska Airlines
22 Apr - 27 Apr Turkish Airlines
25 Apr - 09 May LEVEL
13 Apr - 23 Apr Lufthansa
15 Apr - 22 Apr Cathay Pacific
03 Apr - 01 May Spirit Airlines
01 Apr - 17 Apr Spirit Airlines
16 Apr - 24 Apr Alaska Airlines
23 Apr - 08 May Delta direct
25 Apr - 09 May Delta direct
03 Apr - 01 May Delta direct

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

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