Cheapest one-way flights from Boston to Seoul in April from $493

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

One-Way flights

15 Apr Hainan Airlines
01 Apr Hainan Airlines
16 Apr Etihad Airways
13 Apr Alaska Airlines
21 Apr Etihad Airways
16 Apr Korean Air direct
15 Apr Delta direct
21 Apr Delta direct
13 Apr Delta direct
01 Apr Korean Air direct

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

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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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