AirHint found the following cheapest one-way flights from Porto (OPO) to Keflavik (KEF) in March 2026 (see full year).
One-Way flights
| 24 Mar | Ryanair | ||
| 25 Mar | Ryanair | ||
| 30 Mar | Ryanair | ||
| 22 Mar | Wizz Air | ||
| 28 Mar | easyJet | ||
| 26 Mar | Ryanair | ||
| 27 Mar | easyJet | ||
| 20 Mar | Scandinavian Airlines | ||
| 21 Mar | Ryanair |
Also check the deals for return flights from Porto to Keflavik in March.
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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
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