AirHint found the following cheapest one-way flights from Boston (BOS) to Seoul (ICN) in August 2026 (see full year).
One-Way flights
| 18 Aug | Alaska Airlines | ||
| 27 Aug | WestJet | ||
| 25 Aug | Cathay Pacific | ||
| 24 Aug | Cathay Pacific | ||
| 15 Aug | Etihad Airways | ||
| 27 Aug | Korean Air | direct | |
| 18 Aug | Korean Air | direct | |
| 24 Aug | Delta | direct | |
| 15 Aug | Delta | direct |
Also check the deals for return flights from Boston to Seoul in August.
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