Cheapest return flights from Las Vegas to San Juan in May from 183€

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

Return flights

02 May - 07 May Frontier Airlines
23 May - 03 Jun Frontier Airlines
09 May - 15 May Frontier Airlines
02 May - 16 May Frontier Airlines
01 May - 16 May Frontier Airlines
09 May - 16 May Frontier Airlines
22 May - 25 May Frontier Airlines
01 May - 02 May Spirit Airlines
01 May - 07 May Spirit Airlines
06 May - 10 May Frontier Airlines
26 May - 29 May Frontier Airlines
14 May - 01 Jun Spirit Airlines
21 May - 01 Jun Spirit Airlines
29 May - 01 Jun Spirit Airlines
24 May - 01 Jun Spirit Airlines
22 May - 01 Jun Spirit Airlines

Also check the deals for one-way flights from Las Vegas to San Juan in May.

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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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