Cheapest return flights from Split to Keflavik in September from $310

Best time to book flights for Split (SPU) to Keflavik (KEF) flights at AirHint

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

Return flights

22 Sep - 29 Sep Transavia France
25 Sep - 29 Sep easyJet
18 Sep - 22 Sep Wizz Air UK
15 Sep - 20 Sep SWISS
21 Sep - 28 Sep Scandinavian Airlines
10 Sep - 16 Sep Ryanair
20 Sep - 27 Sep Scandinavian Airlines
27 Sep - 02 Oct Croatia Airlines
27 Sep - 03 Oct Croatia Airlines
25 Sep - 29 Sep Fly Play direct
18 Sep - 22 Sep Fly Play direct
22 Sep - 29 Sep Fly Play direct

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

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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