Cheapest one-way flights from Boston to Seoul in October from $486

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

One-Way flights

18 Oct jetBlue
20 Oct Spirit Airlines
27 Oct jetBlue
19 Oct Hainan Airlines
22 Oct Air Canada
11 Oct Alaska Airlines
07 Oct Turkish Airlines
09 Oct United
27 Oct Korean Air direct
20 Oct Korean Air direct

Also check the deals for return flights from Boston to Seoul in October.

Skyscanner

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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