AirHint found the following cheapest return flights from Cancun (CUN) to Keflavik (KEF) in March 2026 (see full year).
Return flights
| 27 Mar - 12 Apr | Frontier Airlines | ||
| 24 Mar - 30 Mar | Spirit Airlines | ||
| 31 Mar - 10 Apr | Spirit Airlines | ||
| 21 Mar - 05 Apr | Air France | ||
| 20 Mar - 05 Apr | Viva |
Also check the deals for one-way flights from Cancun to Keflavik in March.
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