AirHint found the following cheapest return flights from Chicago (ORD) to San Juan (SJU)
in January 2025 (see full year ).
Return flights
23 Jan
- 29 Jan
Frontier Airlines
$ 128
23 Jan
- 30 Jan
Frontier Airlines
$ 128
27 Jan
- 30 Jan
Frontier Airlines
$ 128
13 Jan
- 17 Jan
Frontier Airlines
$ 142
13 Jan
- 18 Jan
Frontier Airlines
$ 142
27 Jan
- 01 Feb
Frontier Airlines
$ 142
13 Jan
- 23 Jan
Frontier Airlines
$ 143
09 Jan
- 16 Jan
Frontier Airlines
$ 144
09 Jan
- 14 Jan
Frontier Airlines
$ 144
14 Jan
- 30 Jan
Spirit Airlines
$ 145
25 Jan
- 29 Jan
Spirit Airlines
$ 145
31 Jan
- 06 Feb
Frontier Airlines
$ 147
31 Jan
- 05 Feb
Frontier Airlines
$ 148
25 Jan
- 01 Feb
Spirit Airlines
$ 150
direct
27 Jan
- 01 Feb
Spirit Airlines
$ 151
direct
27 Jan
- 03 Feb
Frontier Airlines
$ 158
31 Jan
- 04 Feb
Frontier Airlines
$ 161
30 Jan
- 02 Feb
Frontier Airlines
$ 172
29 Jan
- 02 Feb
Spirit Airlines
$ 178
24 Jan
- 03 Feb
Frontier Airlines
$ 178
Also check the deals for one-way flights from Chicago to San Juan in January .
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.