Cheapest one-way flights from Boston to Seoul in December from $656

Best time to book flights for Boston (BOS) to Seoul (ICN) flights at AirHint

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 Air Canada
12 Dec Air Canada
25 Dec United
18 Dec Porter Airlines (Canada) Ltd
13 Dec Fly Play
24 Dec Air Canada
31 Dec Korean Air direct
25 Dec Delta direct
20 Dec Air Canada
24 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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