Cheapest return flights from Boston to Seoul in October from $789

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

Return flights

04 Oct - 19 Oct WestJet
04 Oct - 11 Oct WestJet
01 Oct - 08 Oct Spirit Airlines
24 Oct - 31 Oct WestJet
05 Oct - 19 Oct American Airlines
06 Oct - 19 Oct American Airlines
02 Oct - 09 Oct Air Canada
16 Oct - 23 Oct Air Canada
02 Oct - 12 Oct Air Canada
02 Oct - 24 Oct Air Canada
06 Oct - 08 Nov American Airlines
06 Oct - 08 Nov Delta direct

Also check the deals for one-way flights from Boston to Seoul in October.

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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