Cheapest one-way flights from Keflavik to Istanbul in September from 96€

AirHint found the following cheapest one-way flights from Keflavik (KEF) to Istanbul (IST) in September 2025 (see full year).

One-Way flights

23 Sep Wizz Air
09 Sep Norwegian
17 Sep Wizz Air
24 Sep Fly Play
10 Sep Wizz Air
16 Sep Wizz Air
02 Sep Norwegian
13 Sep Fly Play
11 Sep Wizz Air
08 Sep Fly Play

Also check the deals for return flights from Keflavik to Istanbul 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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