Cheapest return flights from Frankfurt to Keflavik in May from $307

AirHint found the following cheapest return flights from Frankfurt (FRA) to Keflavik (KEF) in May 2026 (see full year).

Return flights

21 May - 30 May Scandinavian Airlines
22 May - 29 May Scandinavian Airlines
01 May - 12 May Scandinavian Airlines
25 May - 03 Jun Scandinavian Airlines
04 May - 12 May Air France
03 May - 15 May Scandinavian Airlines
15 May - 23 May Scandinavian Airlines
15 May - 26 May Scandinavian Airlines
25 May - 31 May Scandinavian Airlines
26 May - 31 May Scandinavian Airlines
27 May - 31 May Scandinavian Airlines
28 May - 08 Jun KLM
28 May - 03 Jun KLM
26 May - 12 Jun Scandinavian Airlines
31 May - 14 Jun KLM
28 May - 14 Jun KLM
28 May - 07 Jun Scandinavian Airlines
25 May - 01 Jun Lufthansa
27 May - 01 Jun Lufthansa
26 May - 01 Jun Scandinavian Airlines

Also check the deals for one-way flights from Frankfurt to Keflavik in May.

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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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