Cheapest return flights from Jacksonville to Philadelphia in May from 121€

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

Return flights

01 May - 03 May Frontier Airlines
06 May - 08 May Frontier Airlines
08 May - 10 May Frontier Airlines
15 May - 17 May Frontier Airlines
28 May - 01 Jun Frontier Airlines
12 May - 19 May Frontier Airlines
30 May - 31 May Frontier Airlines
29 May - 02 Jun Frontier Airlines
29 May - 03 Jun Frontier Airlines
23 May - 28 May Frontier Airlines

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

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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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