AirHint found the following cheapest return flights from Porto (OPO) to Keflavik (KEF) in March 2026 (see full year).
Return flights
| 31 Mar - 06 Apr | Ryanair | ||
| 28 Mar - 04 Apr | easyJet | ||
| 22 Mar - 28 Mar | Ryanair | ||
| 20 Mar - 25 Mar | Scandinavian Airlines | ||
| 28 Mar - 05 Apr | Ryanair | ||
| 28 Mar - 11 Apr | Vueling Airlines |
Also check the deals for one-way 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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