AirHint found the following cheapest return flights from Southampton (SOU) to Prague (PRG) in January 2026 (see full year).
Return flights
| 19 Jan - 23 Jan | Aer Lingus | ||
| 18 Jan - 25 Jan | easyJet | ||
| 19 Jan - 21 Jan | Aer Lingus | ||
| 21 Jan - 23 Jan | Aer Lingus | ||
| 23 Jan - 26 Jan | easyJet | ||
| 14 Jan - 18 Jan | Aer Lingus | ||
| 24 Jan - 24 Jan | easyJet |
Also check the deals for one-way flights from Southampton to Prague in January.
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