Cheapest return flights from Philadelphia to San Juan in March from $279

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 Frontier Airlines
01 Mar - 01 Mar Spirit Airlines direct
12 Mar - 18 Mar Frontier Airlines
12 Mar - 18 Mar Frontier Airlines direct
04 Mar - 08 Mar Frontier Airlines direct
18 Mar - 25 Mar jetBlue
18 Mar - 25 Mar Frontier Airlines direct
14 Mar - 18 Mar Frontier Airlines
30 Mar - 02 Apr Frontier Airlines direct
12 Mar - 16 Mar Frontier Airlines
13 Mar - 18 Mar Frontier Airlines direct
29 Mar - 04 Apr jetBlue
28 Mar - 04 Apr jetBlue
28 Mar - 03 Apr jetBlue
29 Mar - 04 Apr Frontier Airlines direct
28 Mar - 03 Apr Frontier Airlines direct
28 Mar - 04 Apr Frontier Airlines direct

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

Powered by

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.

Book a cheap hotel in San Juan

Cheap car rent in San Juan

Feel free to contact us with any feedback or request another flight research.