Cheapest return flights from Philadelphia to San Juan in March from $400

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

Return flights

04 Mar - 08 Mar jetBlue
02 Mar - 27 Apr Spirit Airlines
01 Mar - 16 Mar American Airlines direct
21 Mar - 29 Mar jetBlue
21 Mar - 30 Mar American Airlines direct
04 Mar - 08 Mar American Airlines direct
21 Mar - 29 Mar American Airlines direct
13 Mar - 14 Mar Delta

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

Skyscanner

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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