AirHint found the following cheapest one-way flights from Boston (BOS) to Seoul (ICN) in September 2026 (see full year).
One-Way flights
| 08 Sep | WestJet | ||
| 01 Sep | WestJet | ||
| 26 Sep | WestJet | ||
| 07 Sep | Etihad Airways | ||
| 01 Sep | Korean Air | direct | |
| 07 Sep | Delta | direct | |
| 08 Sep | Delta | direct | |
| 26 Sep | Korean Air | direct |
Also check the deals for return flights from Boston to Seoul in September.
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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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