Cheapest return flights from Las Vegas to San Juan in August from $291

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

Return flights

18 Aug - 25 Aug Spirit Airlines
18 Aug - 26 Aug Spirit Airlines
17 Aug - 25 Aug Frontier Airlines
18 Aug - 24 Aug Spirit Airlines
15 Aug - 25 Aug Frontier Airlines
16 Aug - 25 Aug Frontier Airlines
17 Aug - 24 Aug Frontier Airlines
17 Aug - 21 Aug Frontier Airlines
15 Aug - 22 Aug Frontier Airlines
12 Aug - 19 Aug Spirit Airlines
16 Aug - 06 Sep Spirit Airlines
17 Aug - 06 Sep Spirit Airlines
18 Aug - 06 Sep Spirit Airlines

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

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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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