Cheapest one-way flights from San Juan to Boston in October from $98

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

One-Way flights

08 Oct Spirit Airlines
28 Oct Southwest Airlines
08 Oct Delta direct
28 Oct Delta direct
09 Oct jetBlue direct
18 Oct Spirit Airlines
24 Oct Spirit Airlines
10 Oct Spirit Airlines
03 Oct Spirit Airlines

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