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

Return flights

09 Jun - 16 Jun	Ryanair
18 Jun - 29 Jun	LOT
18 Jun - 21 Jun	LOT
03 Jun - 15 Jun	Scandinavian Airlines
01 Jun - 10 Jun	Scandinavian Airlines
01 Jun - 09 Jun	Scandinavian Airlines
10 Jun - 17 Jun	Scandinavian Airlines
01 Jun - 10 Jun	Icelandair	direct
01 Jun - 09 Jun	Icelandair	direct
01 Jun - 13 Jun	Icelandair	direct
22 Jun - 02 Jul	Icelandair	direct
23 Jun - 02 Jul	Icelandair	direct
27 Jun - 13 Jul	LOT
30 Jun - 13 Jul	LOT
28 Jun - 12 Jul	LOT
29 Jun - 13 Jul	LOT
30 Jun - 14 Jul	Lufthansa
27 Jun - 13 Jul	Lufthansa	direct
29 Jun - 13 Jul	Lufthansa	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 240€

Return flights