Cheapest return flights from Frankfurt to Istanbul in December from 189€

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

Return flights

19 Dec - 16 Jan Air Serbia
23 Dec - 07 Jan Air Serbia
24 Dec - 05 Jan Croatia Airlines
17 Dec - 19 Dec Lufthansa direct
16 Dec - 30 Dec Air Serbia
25 Dec - 10 Jan Air Serbia
26 Dec - 02 Jan Air Serbia
26 Dec - 09 Jan Air Serbia
16 Dec - 30 Dec Lufthansa direct
21 Dec - 27 Dec Lufthansa direct
19 Dec - 16 Jan Lufthansa direct
25 Dec - 10 Jan Lufthansa direct
26 Dec - 09 Jan Turkish Airlines direct
28 Dec - 02 Jan Lufthansa direct

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

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