Cheapest return flights from Keflavik to Istanbul in March from $138

AirHint found the following cheapest return flights from Keflavik (KEF) to Istanbul (IST) in March 2026 (see full year).

Return flights

17 Mar - 23 Mar easyJet
05 Mar - 23 Mar easyJet
12 Mar - 16 Mar easyJet
05 Mar - 18 Mar easyJet
18 Mar - 22 Mar easyJet
05 Mar - 20 Mar easyJet
03 Mar - 20 Mar easyJet
01 Mar - 16 Mar Wizz Air
01 Mar - 19 Mar Wizz Air
08 Mar - 23 Mar Wizz Air
26 Mar - 07 Apr easyJet
27 Mar - 10 Apr easyJet

Also check the deals for one-way flights from Keflavik to Istanbul in March.

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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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