Cheapest one-way flights from Jacksonville to Sao Paulo in December from $319

AirHint found the following cheapest one-way flights from Jacksonville (JAX) to Sao Paulo (GRU) in December 2025 (see full year).

One-Way flights

15 Dec Frontier Airlines
11 Dec Frontier Airlines
22 Dec Frontier Airlines
23 Dec Allegiant Air
25 Dec Breeze Airways
18 Dec Frontier Airlines
17 Dec Breeze Airways
20 Dec Frontier Airlines
16 Dec Aeromexico

Also check the deals for return flights from Jacksonville to Sao Paulo 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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