Cheapest return flights from Frankfurt to Keflavik in May from 248€

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 May 2025 (see full year).

Return flights

27 May - 05 Jun Ryanair
20 May - 27 May Ryanair
20 May - 08 Jun Ryanair
21 May - 28 May Ryanair
22 May - 28 May Ryanair
24 May - 28 May Ryanair
27 May - 08 Jun Ryanair
20 May - 29 May Ryanair
20 May - 24 May Ryanair
21 May - 27 May Ryanair
27 May - 29 May Ryanair
26 May - 04 Jun Ryanair
31 May - 05 Jun easyJet
31 May - 06 Jun LOT
29 May - 09 Jun LOT
31 May - 08 Jun easyJet
31 May - 16 Jun LOT
26 May - 29 May Ryanair
25 May - 04 Jun LOT
22 May - 24 May Ryanair

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

Skyscanner

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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