Cheapest return flights from San Juan to Boston in September from $196
AirHint found the following cheapest return flights from San Juan (SJU) to Boston (BOS)
in September 2025 (see full year ).
Return flights
17 Sep
- 18 Sep
Spirit Airlines
$ 196
17 Sep
- 28 Sep
Spirit Airlines
$ 196
17 Sep
- 01 Oct
Spirit Airlines
$ 196
18 Sep
- 22 Sep
Spirit Airlines
$ 198
19 Sep
- 22 Sep
Spirit Airlines
$ 210
19 Sep
- 22 Sep
Delta
$ 244
direct
18 Sep
- 22 Sep
jetBlue
$ 244
direct
04 Sep
- 07 Sep
jetBlue
$ 317
direct
02 Sep
- 02 Sep
Spirit Airlines
$ 335
02 Sep
- 18 Sep
Spirit Airlines
$ 335
02 Sep
- 15 Sep
Spirit Airlines
$ 335
20 Sep
- 01 Oct
Spirit Airlines
$ 503
27 Sep
- 17 Oct
Spirit Airlines
$ 503
27 Sep
- 01 Oct
Spirit Airlines
$ 503
30 Sep
- 17 Oct
Spirit Airlines
$ 503
30 Sep
- 01 Oct
Spirit Airlines
$ 503
21 Sep
- 01 Oct
Spirit Airlines
$ 503
18 Sep
- 01 Oct
Spirit Airlines
$ 503
14 Sep
- 01 Oct
Spirit Airlines
$ 503
15 Sep
- 01 Oct
Spirit Airlines
$ 503
Also check the deals for one-way flights from San Juan to Boston in September .
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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