AirHint found the following cheapest return flights from Mexico City (MEX) to Keflavik (KEF) in January 2026 (see full year).
Return flights
| 21 Jan - 31 Jan | Aeromexico | ||
| 25 Jan - 31 Jan | Volaris | ||
| 16 Jan - 25 Jan | Volaris | ||
| 19 Jan - 25 Jan | Air Canada | ||
| 05 Jan - 19 Jan | Viva | ||
| 09 Jan - 12 Jan | Viva | ||
| 04 Jan - 11 Jan | Aeromexico | ||
| 03 Jan - 11 Jan | Aeromexico |
Also check the deals for one-way flights from Mexico City to Keflavik in January.
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