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

Return flights

01 Oct - 19 Oct	Spirit Airlines
01 Oct - 09 Oct	Spirit Airlines
01 Oct - 06 Oct	Spirit Airlines
07 Oct - 19 Oct	Spirit Airlines
15 Oct - 19 Oct	Spirit Airlines
08 Oct - 19 Oct	Spirit Airlines
07 Oct - 09 Oct	Spirit Airlines
09 Oct - 19 Oct	Spirit Airlines
12 Oct - 19 Oct	Spirit Airlines
11 Oct - 19 Oct	Spirit Airlines
31 Oct - 07 Nov	Spirit Airlines

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

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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Cheapest return flights from Boston to Santo Domingo in October from 329€

Return flights