Cheapest return flights from Keflavik to Istanbul in March from $266

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

Return flights

18 Mar - 25 Mar Wizz Air
10 Mar - 25 Mar Wizz Air
05 Mar - 09 Mar Jet2
03 Mar - 10 Mar easyJet
04 Mar - 09 Mar easyJet
10 Mar - 17 Mar Wizz Air
03 Mar - 07 Mar easyJet
06 Mar - 09 Mar easyJet
11 Mar - 14 Mar easyJet
29 Mar - 06 Apr Scandinavian Airlines
29 Mar - 07 Apr Scandinavian Airlines
25 Mar - 29 Mar Jet2
29 Mar - 05 Apr Scandinavian Airlines
30 Mar - 07 Apr Scandinavian Airlines
28 Mar - 04 Apr Finnair
30 Mar - 06 Apr Scandinavian Airlines
26 Mar - 07 Apr Jet2
27 Mar - 10 Apr LOT

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

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