Cheapest return flights from Las Vegas to San Juan in January from 154€

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

Return flights

07 Jan - 13 Jan Frontier Airlines
08 Jan - 14 Jan Frontier Airlines
08 Jan - 12 Jan Frontier Airlines
12 Jan - 24 Jan Frontier Airlines
07 Jan - 11 Jan Frontier Airlines
02 Jan - 10 Jan Frontier Airlines
08 Jan - 16 Jan Frontier Airlines
06 Jan - 17 Jan Spirit Airlines
12 Jan - 17 Jan Spirit Airlines
07 Jan - 17 Jan Spirit Airlines
28 Jan - 03 Feb Frontier Airlines
26 Jan - 04 Feb Spirit Airlines
20 Jan - 04 Feb Spirit Airlines
28 Jan - 04 Feb Spirit Airlines
26 Jan - 03 Feb Spirit Airlines
20 Jan - 03 Feb Spirit Airlines
14 Jan - 04 Feb Spirit Airlines
28 Jan - 18 Feb Spirit Airlines
14 Jan - 03 Feb Spirit Airlines
26 Jan - 07 Feb Spirit Airlines

Also check the deals for one-way 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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