AirHint found the following cheapest one-way flights from Istanbul (IST) to Keflavik (KEF) in May 2026 (see full year).
One-Way flights
| 05 May | Pegasus Airlines | ||
| 02 May | Wizz Air UK | ||
| 04 May | AJet | ||
| 07 May | Scandinavian Airlines | ||
| 03 May | Wizz Air UK | ||
| 17 May | Wizz Air | ||
| 18 May | Pegasus Airlines | ||
| 29 May | Pegasus Airlines |
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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