Cheapest return flights from Las Vegas to San Juan in March from 318€

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

Return flights

14 Mar - 25 Mar United
11 Mar - 18 Mar Frontier Airlines
14 Mar - 24 Mar Frontier Airlines
19 Mar - 30 Mar Frontier Airlines
08 Mar - 24 Mar Spirit Airlines
08 Mar - 21 Mar Frontier Airlines
12 Mar - 20 Mar Frontier Airlines
08 Mar - 18 Mar Spirit Airlines
08 Mar - 25 Mar Spirit Airlines
08 Mar - 20 Mar Spirit Airlines

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

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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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