AirHint found the following cheapest one-way flights from Istanbul (IST) to Keflavik (KEF) in May 2026 (see full year).
One-Way flights
| 19 May | Wizz Air UK | ||
| 06 May | Wizz Air UK | ||
| 20 May | Wizz Air UK | ||
| 23 May | Wizz Air UK | ||
| 26 May | Wizz Air UK | ||
| 30 May | Transavia France | ||
| 24 May | Wizz Air UK | ||
| 14 May | Wizz Air UK | ||
| 04 May | Wizz Air UK |
Also check the deals for return flights from Istanbul to Keflavik in May.
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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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