Cheapest return flights from Rome to Keflavik in September from $225

Best time to book flights for Rome (ROM) to Keflavik (KEF) flights at AirHint

AirHint found the following cheapest return flights from Rome (ROM) to Keflavik (KEF) in September 2025 (see full year).

Return flights

02 Sep - 09 Sep easyJet
02 Sep - 07 Sep easyJet
10 Sep - 17 Sep Ryanair
16 Sep - 21 Sep easyJet
12 Sep - 21 Sep Scandinavian Airlines
10 Sep - 16 Sep Ryanair
16 Sep - 24 Sep easyJet
10 Sep - 18 Sep Ryanair
13 Sep - 21 Sep Wizz Air
20 Sep - 27 Sep Scandinavian Airlines
25 Sep - 02 Oct Scandinavian Airlines
29 Sep - 13 Oct easyJet
26 Sep - 01 Oct Ryanair
30 Sep - 04 Oct easyJet
27 Sep - 01 Oct Wizz Air Malta
23 Sep - 10 Oct Scandinavian Airlines
27 Sep - 07 Oct Ryanair
22 Sep - 09 Oct easyJet
30 Sep - 10 Oct Ryanair
28 Sep - 02 Oct Wizz Air Malta

Also check the deals for one-way flights from Rome to Keflavik in September.

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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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