Cheapest return flights from Lisbon to Keflavik in August from 328€

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

Return flights

27 Aug - 03 Sep TAP
31 Aug - 04 Sep Ryanair
01 Aug - 12 Aug easyJet
26 Aug - 31 Aug Norwegian
11 Aug - 18 Aug Transavia France
16 Aug - 26 Aug KLM
16 Aug - 23 Aug KLM
16 Aug - 24 Aug KLM
11 Aug - 21 Aug Transavia France
05 Aug - 12 Aug Ryanair
09 Aug - 16 Aug Icelandair direct
12 Aug - 15 Aug Scandinavian Airlines
27 Aug - 03 Sep Icelandair direct

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

Powered by

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.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik

Feel free to contact us with any feedback or request another flight research.