Cheapest return flights from Mexico City to San Juan in December from 372€

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

Return flights

13 Dec - 22 Dec Arajet
05 Dec - 12 Dec Volaris
12 Dec - 22 Dec Volaris
13 Dec - 18 Dec Arajet
03 Dec - 08 Dec Viva
06 Dec - 11 Dec Aeromexico
20 Dec - 22 Dec Arajet
13 Dec - 26 Dec Arajet
16 Dec - 16 Jan Avianca
07 Dec - 13 Dec Avianca
11 Dec - 16 Dec Avianca
17 Dec - 17 Jan Avianca
29 Dec - 03 Jan Copa
29 Dec - 04 Jan Copa
29 Dec - 06 Jan Copa
19 Dec - 02 Jan Hahn Air Technologies
20 Dec - 04 Jan Copa
26 Dec - 02 Jan Copa

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

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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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