Cheapest one-way flights from Boston to Seoul in December from 1012€

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

One-Way flights

31 Dec United
31 Dec Delta direct

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

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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