Cheapest return flights from Copenhagen to Istanbul in April from $138

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

Return flights

21 Apr - 28 Apr Ryanair
14 Apr - 21 Apr Ryanair
17 Apr - 28 Apr Pegasus Airlines
24 Apr - 28 Apr Pegasus Airlines
17 Apr - 21 Apr Pegasus Airlines
08 Apr - 29 Apr Ryanair
14 Apr - 27 Apr Ryanair
13 Apr - 20 Apr Ryanair
15 Apr - 21 Apr Ryanair
24 Apr - 07 May Pegasus Airlines
13 Apr - 25 Apr Ryanair
24 Apr - 06 May Pegasus Airlines
30 Apr - 18 May Ryanair
28 Apr - 07 May Ryanair
29 Apr - 07 May Pegasus Airlines
22 Apr - 01 May Ryanair
24 Apr - 08 May Pegasus Airlines direct
23 Apr - 02 May Pegasus Airlines
24 Apr - 03 May Pegasus Airlines
30 Apr - 04 May Ryanair

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

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