Cheapest return flights from Frankfurt to Keflavik in May from 254€

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

Return flights

20 May - 03 Jun Scandinavian Airlines
18 May - 29 May Ryanair
05 May - 09 May Lufthansa
04 May - 15 May Scandinavian Airlines
18 May - 23 May Scandinavian Airlines
26 May - 02 Jun Scandinavian Airlines
22 May - 27 May Scandinavian Airlines
14 May - 18 May easyJet
22 May - 05 Jun Scandinavian Airlines
11 May - 19 May Lufthansa
24 May - 02 Jun Ryanair
04 May - 12 May Air France
24 May - 08 Jun Scandinavian Airlines
21 May - 30 May Scandinavian Airlines
11 May - 18 May Scandinavian Airlines
22 May - 13 Jun Scandinavian Airlines
25 May - 05 Jun Lufthansa
25 May - 04 Jun Scandinavian Airlines
22 May - 06 Jun Scandinavian Airlines
25 May - 03 Jun easyJet

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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