Cheapest return flights from Boston to Seoul in April from $891

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

Return flights

03 Apr - 21 Apr Hainan Airlines
10 Apr - 06 May Hainan Airlines
01 Apr - 12 Apr Hainan Airlines
10 Apr - 24 Apr Hainan Airlines
27 Apr - 10 May WestJet
11 Apr - 25 Apr Porter Airlines (Canada) Ltd
17 Apr - 30 Apr Hainan Airlines
19 Apr - 26 Apr Hainan Airlines
13 Apr - 23 Apr American Airlines
16 Apr - 22 Apr Etihad Airways
08 Apr - 24 Apr American Airlines
09 Apr - 16 Apr American Airlines
17 Apr - 01 May American Airlines
17 Apr - 01 May Korean Air direct
10 Apr - 06 May Delta direct
27 Apr - 10 May Delta direct

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

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