Cheapest one-way flights from Jacksonville to Philadelphia in January from 25€

AirHint found the following cheapest one-way flights from Jacksonville (JAX) to Philadelphia (PHL) in January 2026 (see full year).

One-Way flights

16 Jan Frontier Airlines direct
26 Jan Frontier Airlines
25 Jan Frontier Airlines direct
26 Jan Frontier Airlines direct
19 Jan Frontier Airlines
05 Jan Frontier Airlines
27 Jan Southwest Airlines
19 Jan Frontier Airlines direct
03 Jan Frontier Airlines direct
04 Jan Frontier Airlines direct

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

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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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