Cheapest return flights from Boston to Seoul in October from 760€

AirHint found the following cheapest return flights from Boston (BOS) to Seoul (ICN) in October 2025 (see full year).

Return flights

03 Oct - 11 Oct Spirit Airlines
23 Oct - 30 Oct Frontier Airlines
16 Oct - 25 Oct Porter Airlines (Canada) Ltd
20 Oct - 04 Nov Turkish Airlines
22 Oct - 12 Nov Turkish Airlines
01 Oct - 01 Nov Porter Airlines (Canada) Ltd
02 Oct - 24 Oct Frontier Airlines
23 Oct - 28 Oct Spirit Airlines
07 Oct - 14 Oct Air Canada
17 Oct - 31 Oct Alaska Airlines
12 Oct - 25 Oct Hainan Airlines
01 Oct - 04 Oct Spirit Airlines
09 Oct - 07 Nov Etihad Airways
09 Oct - 31 Oct Etihad Airways
09 Oct - 01 Nov Etihad Airways
22 Oct - 12 Nov Delta direct
28 Oct - 04 Nov Delta direct
20 Oct - 04 Nov Delta direct
01 Oct - 01 Nov Delta direct
09 Oct - 01 Nov Delta direct

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

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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