AirHint found the following cheapest return flights from Porto (OPO) to Keflavik (KEF) in June 2026 (see full year).
Return flights
| 03 Jun - 11 Jun | SWISS | ||
| 21 Jun - 24 Jun | KLM | ||
| 04 Jun - 11 Jun | KLM | ||
| 03 Jun - 10 Jun | KLM | ||
| 12 Jun - 20 Jun | easyJet | ||
| 20 Jun - 28 Jun | easyJet | ||
| 27 Jun - 04 Jul | SWISS | ||
| 19 Jun - 22 Jun | Iberia | ||
| 07 Jun - 13 Jun | Ryanair |
Also check the deals for one-way flights from Porto to Keflavik in June.
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