Cheapest return flights from Las Vegas to San Juan in December from $269

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

Return flights

03 Dec - 06 Dec Spirit Airlines
03 Dec - 17 Dec Spirit Airlines
04 Dec - 06 Dec Spirit Airlines
04 Dec - 11 Dec Frontier Airlines
04 Dec - 17 Dec Spirit Airlines
10 Dec - 17 Dec Spirit Airlines
03 Dec - 11 Dec Spirit Airlines
02 Dec - 06 Dec Spirit Airlines
02 Dec - 17 Dec Spirit Airlines
02 Dec - 07 Dec Spirit Airlines
16 Dec - 06 Jan jetBlue
30 Dec - 19 Jan Spirit Airlines
30 Dec - 11 Jan Spirit Airlines
30 Dec - 07 Jan Spirit Airlines
28 Dec - 11 Jan Spirit Airlines
28 Dec - 07 Jan Spirit Airlines
18 Dec - 06 Jan Frontier Airlines
23 Dec - 11 Jan Sun Country Airlines
23 Dec - 07 Jan Sun Country Airlines
24 Dec - 11 Jan Sun Country Airlines

Also check the deals for one-way flights from Las Vegas 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.

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