Cheapest return flights from Prague to Keflavik in August from $231

AirHint found the following cheapest return flights from Prague (PRG) to Keflavik (KEF) in August 2025 (see full year).

Return flights

31 Aug - 08 Sep Lufthansa
25 Aug - 06 Sep SWISS
23 Aug - 06 Sep SWISS
28 Aug - 06 Sep SWISS
27 Aug - 06 Sep SWISS
28 Aug - 05 Sep Scandinavian Airlines
28 Aug - 01 Sep Scandinavian Airlines
13 Aug - 20 Aug SWISS
29 Aug - 06 Sep SWISS
29 Aug - 05 Sep Scandinavian Airlines
25 Aug - 02 Sep SWISS
22 Aug - 29 Aug Scandinavian Airlines
14 Aug - 20 Aug SWISS
07 Aug - 12 Aug SWISS
20 Aug - 27 Aug SWISS
21 Aug - 26 Aug SWISS
06 Aug - 10 Aug SWISS
14 Aug - 22 Aug SWISS
13 Aug - 22 Aug SWISS
20 Aug - 24 Aug SWISS

Also check the deals for one-way flights from Prague 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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