Cheapest return JAX–PHL flights, July

AirHint found the following cheapest return flights from Jacksonville (JAX) to Philadelphia (PHL) in July 2026 (see full year).

Return flights

31 Jul - 02 Aug Allegiant Air
29 Jul - 04 Aug Frontier Airlines direct
17 Jul - 21 Jul Frontier Airlines
01 Jul - 05 Jul Frontier Airlines
30 Jul - 06 Aug Frontier Airlines
01 Jul - 05 Jul Frontier Airlines direct
02 Jul - 05 Jul Frontier Airlines

Also check the deals for one-way flights from Jacksonville to Philadelphia in July.

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