Cheapest return flights from Jacksonville to Philadelphia in December from 132€

AirHint found the following cheapest return flights from Jacksonville (JAX) to Philadelphia (PHL) in December 2025 (see full year).

Return flights

04 Dec - 07 Dec Frontier Airlines
05 Dec - 08 Dec Frontier Airlines
05 Dec - 08 Dec Frontier Airlines direct
12 Dec - 18 Dec Frontier Airlines
20 Dec - 27 Dec Frontier Airlines direct
22 Dec - 21 Jan Frontier Airlines
22 Dec - 27 Dec Frontier Airlines direct
17 Dec - 19 Dec Southwest Airlines

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

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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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