Cheapest return flights from Frankfurt to Istanbul in August from 165€

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

Return flights

05 Aug - 05 Sep Air Serbia
24 Aug - 21 Sep Lufthansa direct
03 Aug - 27 Aug Air Serbia
17 Aug - 27 Aug Air Serbia
24 Aug - 10 Sep Air Serbia
24 Aug - 20 Sep Air Serbia
06 Aug - 27 Aug Air Serbia
08 Aug - 30 Aug Air Serbia
01 Aug - 22 Aug Air Serbia
03 Aug - 21 Aug Air Serbia
19 Aug - 02 Sep Air Serbia
10 Aug - 04 Sep Air Serbia
24 Aug - 10 Sep Lufthansa direct
19 Aug - 02 Sep Turkish Airlines direct
06 Aug - 27 Aug Turkish Airlines direct
17 Aug - 27 Aug Turkish Airlines direct
29 Aug - 13 Sep Lufthansa direct
24 Aug - 20 Sep Turkish Airlines direct
06 Aug - 28 Aug Air Serbia
09 Aug - 26 Aug Turkish Airlines direct

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

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