Cheapest return flights from Lisbon to Keflavik in August from 286€

AirHint found the following cheapest return flights from Lisbon (LIS) to Keflavik (KEF) in August 2026 (see full year).

Return flights

18 Aug - 24 Aug Scandinavian Airlines
11 Aug - 17 Aug Scandinavian Airlines
26 Aug - 02 Sep TAP
05 Aug - 11 Aug Transavia France
21 Aug - 31 Aug Scandinavian Airlines
15 Aug - 23 Aug easyJet
20 Aug - 30 Aug Icelandair direct
13 Aug - 23 Aug Icelandair direct

Also check the deals for one-way flights from Lisbon to Keflavik in August.

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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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