Cheapest one-way flights from Boston to Seoul in September from $592

AirHint found the following cheapest one-way flights from Boston (BOS) to Seoul (ICN) in September 2026 (see full year).

One-Way flights

23 Sep Cathay Pacific
26 Sep WestJet
01 Sep Korean Air direct
23 Sep Delta direct
26 Sep Korean Air direct

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

Powered by

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.