Cheapest one-way flights from Boston to Seoul in December from 453€

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

One-Way flights

02 Dec Iberia
10 Dec Alaska Airlines
29 Dec Etihad Airways
30 Dec Etihad Airways
31 Dec Etihad Airways
12 Dec Frontier Airlines
07 Dec Etihad Airways
02 Dec Delta direct
07 Dec Delta direct
25 Dec Korean Air 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.

Book a cheap hotel in Seoul

Cheap car rent in Seoul

Feel free to contact us with any feedback or request another flight research.