Cheapest return flights from Frankfurt to Keflavik in August from $228

Best time to book flights for Frankfurt (FRA) to Keflavik (KEF) flights at AirHint

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

Return flights

30 Aug - 10 Sep Ryanair
25 Aug - 15 Sep Ryanair
25 Aug - 14 Sep Ryanair
24 Aug - 01 Sep Ryanair
30 Aug - 13 Sep Ryanair
20 Aug - 01 Sep Scandinavian Airlines
28 Aug - 08 Sep Ryanair
27 Aug - 01 Sep Scandinavian Airlines
26 Aug - 02 Sep Scandinavian Airlines
18 Aug - 01 Sep Ryanair
18 Aug - 30 Aug Ryanair
16 Aug - 30 Aug Ryanair
25 Aug - 29 Aug Ryanair
24 Aug - 30 Aug Ryanair
09 Aug - 23 Aug Ryanair
23 Aug - 30 Aug Ryanair
06 Aug - 30 Aug Ryanair
21 Aug - 24 Aug Ryanair
15 Aug - 29 Aug Scandinavian Airlines
14 Aug - 28 Aug Scandinavian Airlines

Also check the deals for one-way flights from Frankfurt 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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