Cheapest one-way flights from Las Vegas to San Juan in January from $69

AirHint found the following cheapest one-way flights from Las Vegas (LAS) to San Juan (SJU) in January 2026 (see full year).

One-Way flights

11 Jan Frontier Airlines
29 Jan Frontier Airlines
30 Jan Frontier Airlines
06 Jan Frontier Airlines
01 Jan Frontier Airlines
28 Jan Spirit Airlines
04 Jan Frontier Airlines
05 Jan Spirit Airlines
23 Jan Spirit Airlines
22 Jan Spirit Airlines

Also check the deals for return flights from Las Vegas to San Juan in January.

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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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