AirHint found the following cheapest return flights from Glasgow (GLA) to San Jose (SJO) in January 2026 (see full year).
Return flights
| 21 Jan - 28 Jan | Icelandair | ||
| 12 Jan - 29 Jan | easyJet | ||
| 13 Jan - 29 Jan | Aer Lingus | ||
| 01 Jan - 17 Jan | Air France | ||
| 06 Jan - 15 Jan | Aer Lingus |
Also check the deals for one-way flights from Glasgow to San Jose in January.
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