AirHint found the following cheapest one-way flights from Jacksonville (JAX) to Sao Paulo (GRU) in May 2026 (see full year).
One-Way flights
| 10 May | Allegiant Air | ||
| 23 May | Breeze Airways | ||
| 22 May | jetBlue |
Also check the deals for return flights from Jacksonville to Sao Paulo in May.
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