Cheapest return FRA–KEF flights, May

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

Return flights

27 May - 31 May Ryanair
19 May - 27 May easyJet
06 May - 13 May Ryanair
11 May - 27 May Ryanair
20 May - 28 May easyJet
06 May - 10 May Ryanair
17 May - 31 May Ryanair
06 May - 22 May Ryanair
12 May - 13 May Ryanair
05 May - 10 May Ryanair
31 May - 08 Jun easyJet
24 May - 01 Jun Ryanair
30 May - 12 Jun Ryanair
29 May - 05 Jun Ryanair
28 May - 01 Jun Ryanair
31 May - 07 Jun Ryanair
26 May - 07 Jun easyJet
27 May - 06 Jun Ryanair
30 May - 07 Jun easyJet
29 May - 07 Jun Ryanair

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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