Cheapest one-way flights from Jacksonville to Philadelphia in August from $54

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 August 2025 (see full year).

One-Way flights

07 Aug Frontier Airlines direct
25 Aug Frontier Airlines direct
29 Aug Frontier Airlines direct
03 Aug Frontier Airlines direct
08 Aug Frontier Airlines direct
09 Aug Frontier Airlines direct
01 Aug Frontier Airlines direct
04 Aug Frontier Airlines direct

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

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 Philadelphia

Cheap car rent in Philadelphia