Cheapest one-way flights from Boston to Seoul in June from $659

AirHint found the following cheapest one-way flights from Boston (BOS) to Seoul (ICN) in June 2025 (see full year).

One-Way flights

28 Jun Spirit Airlines
26 Jun Spirit Airlines
29 Jun Spirit Airlines
30 Jun Spirit Airlines
27 Jun Alaska Airlines
30 Jun Korean Air direct
28 Jun Korean Air direct
27 Jun Korean Air direct
29 Jun Korean Air direct

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

Skyscanner

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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