Cheapest return flights from Philadelphia to San Juan in March from 135€

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

Return flights

02 Mar - 06 Mar Frontier Airlines direct
06 Mar - 12 Mar Frontier Airlines direct
09 Mar - 12 Mar Frontier Airlines direct
04 Mar - 10 Mar Frontier Airlines direct
04 Mar - 11 Mar Spirit Airlines
10 Mar - 16 Mar Frontier Airlines direct
21 Mar - 29 Mar Frontier Airlines direct
04 Mar - 09 Mar Frontier Airlines direct
15 Mar - 20 Mar Frontier Airlines direct
02 Mar - 05 Mar Frontier Airlines direct
23 Mar - 01 Apr Spirit Airlines direct
16 Mar - 02 Apr Spirit Airlines direct
16 Mar - 01 Apr Spirit Airlines direct
16 Mar - 03 Apr Spirit Airlines direct
24 Mar - 02 Apr Spirit Airlines direct
24 Mar - 01 Apr Spirit Airlines direct
24 Mar - 03 Apr Spirit Airlines direct
14 Mar - 02 Apr Spirit Airlines direct
14 Mar - 01 Apr Spirit Airlines direct
14 Mar - 03 Apr Spirit Airlines direct

Also check the deals for one-way flights from Philadelphia 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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