Cheapest one-way flights from Jacksonville to Philadelphia in May from $79

Best time to book flights for Jacksonville (JAX) to Philadelphia (PHL) flights at AirHint

AirHint found the following cheapest one-way flights from Jacksonville (JAX) to Philadelphia (PHL) in May 2025 (see full year).

One-Way flights

25 May Frontier Airlines direct
29 May Frontier Airlines direct
31 May Frontier Airlines direct
19 May Frontier Airlines direct
16 May Frontier Airlines direct
18 May Frontier Airlines
26 May Frontier Airlines direct
17 May Southwest Airlines
30 May Frontier Airlines direct
17 May American Airlines direct

Also check the deals for return flights from Jacksonville to Philadelphia in May.

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.

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