Cheapest one-way flights from Las Vegas to San Juan in December from $128

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

One-Way flights

04 Dec Spirit Airlines
03 Dec Spirit Airlines
10 Dec Spirit Airlines
02 Dec Spirit Airlines
30 Dec Spirit Airlines
28 Dec Spirit Airlines
23 Dec Sun Country Airlines
24 Dec Sun Country Airlines
21 Dec Sun Country Airlines
22 Dec Sun Country Airlines

Also check the deals for return 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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