Cheapest return flights from Philadelphia to St. Croix Island in July from 144€

AirHint found the following cheapest return flights from Philadelphia (PHL) to St. Croix Island (STX) in July 2025 (see full year).

Return flights

13 Jul - 17 Jul Frontier Airlines
19 Jul - 24 Jul Frontier Airlines
20 Jul - 27 Jul Frontier Airlines
16 Jul - 20 Jul Frontier Airlines
06 Jul - 13 Jul Frontier Airlines
16 Jul - 17 Jul Spirit Airlines
20 Jul - 24 Jul Spirit Airlines
16 Jul - 24 Jul Spirit Airlines
20 Jul - 08 Aug Spirit Airlines
20 Jul - 02 Aug Spirit Airlines
16 Jul - 02 Aug Spirit Airlines
16 Jul - 18 Jul Spirit Airlines
19 Jul - 08 Aug Spirit Airlines
19 Jul - 02 Aug Spirit Airlines
16 Jul - 27 Jul Spirit Airlines
13 Jul - 02 Aug Spirit Airlines
14 Jul - 02 Aug Spirit Airlines

Also check the deals for one-way flights from Philadelphia to St. Croix Island in July.

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.

Book a cheap hotel in St. Croix Island

Cheap car rent in St. Croix Island

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