Cheapest return flights from Porto to Keflavik in July from $223

Best time to book flights for Porto (OPO) to Keflavik (KEF) flights at AirHint

AirHint found the following cheapest return flights from Porto (OPO) to Keflavik (KEF) in July 2025 (see full year).

Return flights

08 Jul - 15 Jul Fly Play direct
08 Jul - 12 Jul Fly Play direct
08 Jul - 19 Jul Fly Play direct
19 Jul - 29 Jul Fly Play direct
05 Jul - 15 Jul Fly Play direct
19 Jul - 26 Jul Fly Play direct
22 Jul - 02 Aug Fly Play direct
05 Jul - 19 Jul Fly Play direct
26 Jul - 09 Aug Fly Play direct
01 Jul - 08 Jul Fly Play direct
20 Jul - 26 Jul Transavia France
22 Jul - 30 Jul Vueling Airlines
21 Jul - 01 Aug Ryanair
20 Jul - 01 Aug Transavia France
23 Jul - 01 Aug SWISS
22 Jul - 01 Aug Vueling Airlines

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

Skyscanner

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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