Cheapest return flights from Porto to Keflavik in June from $323

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

Return flights

03 Jun - 14 Jun easyJet
04 Jun - 14 Jun Iberia
14 Jun - 21 Jun Lufthansa
11 Jun - 27 Jun transavia

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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