AirHint found the following cheapest one-way flights from Boston (BOS) to Seoul (ICN) in May 2026 (see full year).
One-Way flights
| 27 May | WestJet | ||
| 23 May | WestJet | ||
| 18 May | WestJet | ||
| 26 May | WestJet | ||
| 01 May | WestJet | ||
| 15 May | WestJet | ||
| 11 May | Etihad Airways | ||
| 22 May | WestJet | ||
| 16 May | Porter Airlines (Canada) Ltd | ||
| 13 May | Air Canada |
Also check the deals for return flights from Boston to Seoul in May.
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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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