AirHint found the following cheapest one-way flights from Newark (EWR) to Guadalajara (GDL) in January 2026 (see full year).
One-Way flights
| 15 Jan | Frontier Airlines | ||
| 10 Jan | Spirit Airlines | ||
| 11 Jan | Spirit Airlines | ||
| 11 Jan | Volaris | direct | |
| 04 Jan | Spirit Airlines | ||
| 02 Jan | Frontier Airlines |
Also check the deals for return flights from Newark to Guadalajara in January.
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