Cheapest one-way flights from Boston to San Juan in October from 93€

AirHint found the following cheapest one-way flights from Boston (BOS) to San Juan (SJU) in October 2025 (see full year).

One-Way flights

01 Oct Spirit Airlines
14 Oct Spirit Airlines
15 Oct Spirit Airlines
25 Oct Spirit Airlines
20 Oct Spirit Airlines
08 Oct Spirit Airlines
30 Oct Spirit Airlines
06 Oct Spirit Airlines
02 Oct Spirit Airlines
27 Oct Spirit Airlines

Also check the deals for return flights from Boston to San Juan 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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