Cheapest return flights from Phoenix to San Juan in March from 328€

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

Return flights

11 Mar - 18 Mar Frontier Airlines
12 Mar - 17 Mar Frontier Airlines
15 Mar - 24 Mar United
06 Mar - 14 Mar Frontier Airlines
31 Mar - 07 Apr Southwest Airlines
06 Mar - 15 Mar Frontier Airlines
14 Mar - 22 Mar Breeze Airways

Also check the deals for one-way flights from Phoenix 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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