Cheapest return flights from Boston to Seoul in January from $837

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

Return flights

19 Jan - 28 Jan Turkish Airlines
22 Jan - 02 Feb Turkish Airlines
26 Jan - 02 Feb Turkish Airlines
25 Jan - 01 Feb Hainan Airlines
25 Jan - 02 Feb Turkish Airlines
23 Jan - 02 Feb Hainan Airlines
26 Jan - 01 Feb Turkish Airlines
21 Jan - 26 Jan Turkish Airlines
20 Jan - 19 Feb Spirit Airlines
15 Jan - 28 Jan Turkish Airlines
16 Jan - 23 Jan Hainan Airlines
24 Jan - 02 Feb Alaska Airlines
29 Jan - 09 Feb Cathay Pacific
29 Jan - 14 Feb Cathay Pacific
09 Jan - 17 Jan Hainan Airlines
16 Jan - 31 Jan Cathay Pacific
12 Jan - 19 Jan Spirit Airlines
11 Jan - 21 Jan Turkish Airlines
09 Jan - 18 Jan Hainan Airlines
23 Jan - 25 Jan Air Canada

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

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