AirHint found the following cheapest return flights from Boston (BOS) to San Juan (SJU)
in December 2024 (see full year ).
Return flights
09 Dec
- 18 Dec
Frontier Airlines
$ 86
direct
08 Dec
- 12 Dec
Frontier Airlines
$ 93
direct
09 Dec
- 13 Dec
Frontier Airlines
$ 94
direct
08 Dec
- 13 Dec
Frontier Airlines
$ 96
direct
09 Dec
- 12 Dec
Frontier Airlines
$ 96
direct
08 Dec
- 18 Dec
Frontier Airlines
$ 97
direct
08 Dec
- 16 Dec
Frontier Airlines
$ 103
10 Dec
- 13 Dec
Frontier Airlines
$ 103
10 Dec
- 20 Dec
Frontier Airlines
$ 104
09 Dec
- 14 Dec
Frontier Airlines
$ 106
direct
10 Dec
- 14 Jan
Spirit Airlines
$ 164
14 Dec
- 12 Jan
Spirit Airlines
$ 187
31 Dec
- 25 Jan
Frontier Airlines
$ 222
15 Dec
- 12 Jan
Frontier Airlines
$ 240
direct
10 Dec
- 14 Jan
jetBlue
$ 245
direct
10 Dec
- 10 Jan
Frontier Airlines
$ 251
14 Dec
- 12 Jan
Frontier Airlines
$ 260
direct
25 Dec
- 11 Jan
Frontier Airlines
$ 270
27 Dec
- 12 Jan
Frontier Airlines
$ 279
28 Dec
- 12 Jan
Spirit Airlines
$ 288
Also check the deals for one-way flights from Boston to San Juan in December .
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.