Cheapest return flights from Phoenix to San Juan in January from $299
AirHint found the following cheapest return flights from Phoenix (PHX) to San Juan (SJU)
in January 2026 (see full year ).
Return flights
23 Jan
- 30 Jan
Frontier Airlines
$ 299
08 Jan
- 12 Jan
Frontier Airlines
$ 299
05 Jan
- 12 Jan
Frontier Airlines
$ 306
24 Jan
- 01 Feb
Frontier Airlines
$ 321
23 Jan
- 01 Feb
Frontier Airlines
$ 325
08 Jan
- 16 Jan
Frontier Airlines
$ 339
17 Jan
- 27 Jan
Southwest Airlines
$ 348
14 Jan
- 21 Jan
Frontier Airlines
$ 368
16 Jan
- 26 Jan
Frontier Airlines
$ 374
13 Jan
- 20 Jan
Frontier Airlines
$ 392
16 Jan
- 20 Jan
American Airlines
$ 425
14 Jan
- 20 Jan
American Airlines
$ 425
17 Jan
- 01 Feb
Sun Country Airlines
$ 891
16 Jan
- 01 Feb
Sun Country Airlines
$ 1048
15 Jan
- 01 Feb
Sun Country Airlines
$ 1103
Also check the deals for one-way flights from Phoenix to San Juan in January .
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