AirHint found the following cheapest return flights from Keflavik (KEF) to Hanoi (HAN) in March 2026 (see full year).
Return flights
| 31 Mar - 28 Apr | Wizz Air Malta | ||
| 11 Mar - 20 Mar | Wizz Air | ||
| 16 Mar - 25 Apr | Wizz Air Malta | ||
| 09 Mar - 23 Mar | easyJet | ||
| 20 Mar - 03 Apr | Wizz Air | ||
| 30 Mar - 10 Apr | Icelandair |
Also check the deals for one-way flights from Keflavik to Hanoi in March.
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