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

Return flights

07 Jul - 28 Jul	Ryanair
14 Jul - 21 Jul	Ryanair
07 Jul - 14 Jul	Ryanair
13 Jul - 18 Jul	Ryanair
03 Jul - 14 Jul	Ryanair
18 Jul - 25 Jul	Condor
01 Jul - 07 Jul	Icelandair	direct
08 Jul - 15 Jul	Icelandair	direct
15 Jul - 22 Jul	Icelandair	direct
28 Jul - 18 Aug	Air Serbia
03 Jul - 14 Jul	Icelandair	direct
27 Jul - 02 Aug	Ryanair
30 Jul - 12 Aug	Icelandair	direct
23 Jul - 13 Aug	Condor
22 Jul - 05 Aug	Icelandair	direct
31 Jul - 21 Aug	Air Serbia
31 Jul - 07 Aug	Icelandair	direct
24 Jul - 08 Aug	Icelandair	direct
25 Jul - 08 Aug	Icelandair	direct
28 Jul - 16 Aug	Ryanair

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

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 July from 269€

Return flights