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

Return flights

10 Jun - 21 Jun	Ryanair
07 Jun - 24 Jun	Lufthansa
28 Jun - 08 Jul	Ryanair
07 Jun - 21 Jun	KLM
07 Jun - 17 Jun	KLM
16 Jun - 21 Jun	Ryanair
18 Jun - 24 Jun	KLM
01 Jun - 12 Jun	Ryanair
20 Jun - 30 Jun	Condor
28 Jun - 05 Jul	Ryanair
27 Jun - 09 Jul	Wizz Air Malta
28 Jun - 06 Jul	Ryanair
28 Jun - 13 Jul	Ryanair
09 Jun - 22 Jul	Icelandair	direct
04 Jun - 09 Jun	easyJet
14 Jun - 27 Jun	Ryanair
23 Jun - 02 Jul	Icelandair	direct
24 Jun - 05 Jul	Icelandair	direct
25 Jun - 17 Jul	Icelandair	direct
26 Jun - 09 Jul	Icelandair	direct

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

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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Cheapest return flights from Frankfurt to Keflavik in June from 252€

Return flights