Cheapest return OPO–KEF flights, June

AirHint found the following cheapest return flights from Porto (OPO) to Keflavik (KEF) in June 2026 (see full year).

Return flights

10 Jun - 15 Jun Ryanair
03 Jun - 11 Jun Ryanair
17 Jun - 25 Jun Ryanair
04 Jun - 11 Jun Volotea
22 Jun - 01 Jul Ryanair
08 Jun - 14 Jun Ryanair
01 Jun - 04 Jun SWISS
09 Jun - 12 Jun Ryanair
11 Jun - 14 Jun Ryanair
08 Jun - 11 Jun Ryanair
30 Jun - 04 Jul Ryanair
05 Jun - 12 Jun Ryanair
27 Jun - 04 Jul Transavia France
26 Jun - 05 Jul Wizz Air Malta
27 Jun - 05 Jul Transavia France
24 Jun - 04 Jul Vueling Airlines
24 Jun - 11 Jul Vueling Airlines
27 Jun - 11 Jul Vueling Airlines

Also check the deals for one-way flights from Porto to Keflavik in June.

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