AirHint found the following cheapest return flights from Hanoi (HAN) to Keflavik (KEF) in March 2026 (see full year).
Return flights
| 04 Mar - 12 Mar | Singapore Airlines | ||
| 05 Mar - 12 Mar | Qatar Airways | ||
| 20 Mar - 26 Mar | Qatar Airways | ||
| 07 Mar - 21 Mar | Qatar Airways |
Also check the deals for one-way flights from Hanoi to Keflavik in March.
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