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

Return flights

10 Dec - 01 Jan	Pegasus Airlines
18 Dec - 15 Jan	Lufthansa
01 Dec - 31 Dec	Pegasus Airlines
19 Dec - 15 Jan	Air Serbia
17 Dec - 15 Jan	Austrian Airlines
17 Dec - 13 Jan	Austrian Airlines
17 Dec - 14 Jan	Austrian Airlines
20 Dec - 18 Jan	LOT
20 Dec - 20 Jan	Austrian Airlines
20 Dec - 15 Jan	Austrian Airlines
01 Dec - 02 Jan	Austrian Airlines
21 Dec - 28 Dec	Austrian Airlines
15 Dec - 27 Dec	Qatar Airways

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

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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Cheapest return flights from Frankfurt to Tehran in December from 371€

Return flights