Cheapest return flights from Phoenix to San Juan in December from 244€

AirHint found the following cheapest return flights from Phoenix (PHX) to San Juan (SJU) in December 2025 (see full year).

Return flights

05 Dec - 13 Dec Frontier Airlines
05 Dec - 09 Dec Frontier Airlines
02 Dec - 09 Dec Spirit Airlines
13 Dec - 17 Dec Frontier Airlines
24 Dec - 31 Dec Delta
15 Dec - 20 Dec Southwest Airlines
18 Dec - 22 Dec United
21 Dec - 08 Jan United
26 Dec - 30 Dec Delta
26 Dec - 03 Jan Delta
24 Dec - 28 Dec Sun Country Airlines

Also check the deals for one-way flights from Phoenix to San Juan in December.

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.

Book a cheap hotel in San Juan

Cheap car rent in San Juan

Feel free to contact us with any feedback or request another flight research.