Cheapest return flights from Istanbul to Basel in May from 129€

AirHint found the following cheapest return flights from Istanbul (IST) to Basel (BSL) in May 2026 (see full year).

Return flights

22 May - 26 May AJet direct
21 May - 24 May AJet direct
21 May - 25 May AJet direct
27 May - 31 May Lufthansa
21 May - 23 May Lufthansa
21 May - 28 May Lufthansa
21 May - 28 May AJet direct
21 May - 23 May AJet direct
30 May - 01 Jun AJet direct
23 May - 31 May Lufthansa
31 May - 03 Jun AJet direct
27 May - 27 May Pegasus Airlines
30 May - 03 Jun AJet direct

Also check the deals for one-way flights from Istanbul to Basel in May.

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