Cheapest return flights from Porto to Keflavik in June from $290

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

Return flights

09 Jun - 14 Jun easyJet
04 Jun - 07 Jun KLM
04 Jun - 11 Jun KLM
04 Jun - 10 Jun KLM
24 Jun - 01 Jul KLM
10 Jun - 14 Jun Ryanair
09 Jun - 16 Jun Ryanair
09 Jun - 15 Jun easyJet
20 Jun - 26 Jun easyJet
03 Jun - 11 Jun KLM
10 Jun - 17 Jun KLM
27 Jun - 04 Jul easyJet
28 Jun - 05 Jul Ryanair
13 Jun - 01 Jul Vueling Airlines
24 Jun - 04 Jul Vueling Airlines
27 Jun - 01 Jul Vueling Airlines

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

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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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