AirHint found the following cheapest return flights from Southampton (SOU) to Newark (EWR) in January 2026 (see full year).
Return flights
| 08 Jan - 21 Jan | Aer Lingus | ||
| 10 Jan - 12 Jan | Aer Lingus | ||
| 11 Jan - 17 Jan | Aer Lingus | ||
| 05 Jan - 09 Jan | Aer Lingus |
Also check the deals for one-way flights from Southampton to Newark in January.
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