Round trip flights to San Juan from $118!

Expedia offers round trip nonstop flights from Philadelphia to San Juan Puerto Rico for $118 on Frontier Airlines or $245 on JetBlue. The Frontier deal is primarily for travelers with only a personal item, while JetBlue allows a personal item and a carry-on. Sale prices are limited to select travel dates from October through February 2027. Redeem by booking through Expedia and selecting your flight dates. This deal provides significant savings compared to typical fares for nonstop flights on this route, especially considering the limited travel restrictions and no seat selection or change options. The low fare and manageable restrictions make this a very attractive deal for flexible travelers seeking a budget-friendly trip to Puerto Rico.