Cheapest return flights from Boston to Seoul in April from $819

Best time to book flights for Boston (BOS) to Seoul (ICN) flights at AirHint

AirHint found the following cheapest return flights from Boston (BOS) to Seoul (ICN) in April 2025 (see full year).

Return flights

23 Apr - 30 Apr Turkish Airlines
13 Apr - 28 Apr Turkish Airlines
26 Apr - 30 May Turkish Airlines
19 Apr - 21 Apr United
05 Apr - 26 Apr Air Canada
11 Apr - 13 Apr American Airlines
13 Apr - 28 Apr Korean Air direct
23 Apr - 30 Apr Korean Air direct
05 Apr - 26 Apr Korean Air direct
26 Apr - 30 May Korean Air direct
11 Apr - 13 Apr Korean Air direct
19 Apr - 21 Apr Delta direct

Also check the deals for one-way 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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