Cheapest return flights from Frankfurt to Istanbul in August from 145€

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

Return flights

21 Aug - 25 Sep AJet direct
25 Aug - 01 Sep Air Serbia
18 Aug - 25 Aug Air Serbia
13 Aug - 01 Sep Air Serbia
05 Aug - 03 Sep Air Serbia
21 Aug - 18 Sep Air Serbia
13 Aug - 09 Sep Air Serbia
24 Aug - 09 Sep AJet direct
17 Aug - 10 Sep AJet direct
04 Aug - 18 Aug Air Serbia
12 Aug - 19 Aug Air Serbia
24 Aug - 27 Aug Air Serbia
19 Aug - 27 Aug Air Serbia
01 Aug - 13 Aug Air Serbia
04 Aug - 19 Aug Air Serbia
05 Aug - 09 Aug Air Serbia
15 Aug - 24 Aug Air Serbia
05 Aug - 09 Sep Air Serbia
31 Aug - 07 Sep Air Serbia
05 Aug - 13 Aug Air Serbia

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

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