Cheapest return flights from Frankfurt to Istanbul in December from $140

Best time to book flights for Frankfurt (FRA) to Istanbul (SAW) flights at AirHint

AirHint found the following cheapest return flights from Frankfurt (FRA) to Istanbul (SAW) in December 2025 (see full year).

Return flights

03 Dec - 10 Dec Pegasus Airlines direct
08 Dec - 10 Dec Pegasus Airlines direct
10 Dec - 22 Dec Pegasus Airlines direct
10 Dec - 12 Dec Pegasus Airlines direct
07 Dec - 16 Dec AJet
09 Dec - 11 Dec AJet
12 Dec - 27 Dec Pegasus Airlines direct
09 Dec - 11 Dec AJet direct
12 Dec - 28 Dec AJet
12 Dec - 14 Dec SunExpress
28 Dec - 04 Jan AJet
28 Dec - 03 Jan AJet
21 Dec - 17 Jan AJet
29 Dec - 03 Jan Pegasus Airlines direct
27 Dec - 01 Jan AJet direct
27 Dec - 03 Jan AJet direct
24 Dec - 12 Jan easyJet
24 Dec - 04 Jan AJet
23 Dec - 12 Jan AJet
27 Dec - 04 Jan SunExpress

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

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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