Cheapest one-way flights from Boston to Seoul in March from 392€

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

One-Way flights

18 Mar Spirit Airlines
04 Mar Frontier Airlines
05 Mar Hawaiian Airlines
20 Mar Hainan Airlines
23 Mar Etihad Airways
05 Mar Korean Air direct
04 Mar Korean Air direct
16 Mar Delta direct
23 Mar Delta direct
20 Mar Korean Air direct

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

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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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