Cheapest return flights from Frankfurt to Istanbul in April from $91

AirHint found the following cheapest return flights from Frankfurt (FRA) to Istanbul (IST) in April 2026 (see full year).

Return flights

17 Apr - 24 Apr Ryanair
17 Apr - 25 Apr Ryanair
13 Apr - 20 Apr Ryanair
17 Apr - 27 Apr Ryanair
13 Apr - 24 Apr Ryanair
17 Apr - 20 Apr Ryanair
18 Apr - 25 Apr Ryanair
13 Apr - 18 Apr Ryanair
15 Apr - 20 Apr Ryanair
15 Apr - 18 Apr Ryanair
26 Apr - 05 May Ryanair
27 Apr - 15 May Pegasus Airlines direct
30 Apr - 07 May Pegasus Airlines direct
30 Apr - 05 May Pegasus Airlines direct
24 Apr - 05 May Pegasus Airlines direct
25 Apr - 08 May Pegasus Airlines direct
29 Apr - 05 May Pegasus Airlines direct
30 Apr - 08 May Pegasus Airlines direct
20 Apr - 08 May Pegasus Airlines direct
26 Apr - 05 May Pegasus Airlines direct

Also check the deals for one-way flights from Frankfurt to Istanbul in April.

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