AirHint found the following cheapest return flights from Brussels (BRU) to Tehran (IKA) in September 2025 (see full year).

Return flights

11 Sep - 21 Sep	Wizz Air Malta
08 Sep - 03 Oct	AJet
08 Sep - 21 Sep	Pegasus Airlines
05 Sep - 30 Sep	Pegasus Airlines
08 Sep - 15 Sep	Pegasus Airlines
10 Sep - 18 Sep	Pegasus Airlines
09 Sep - 21 Sep	AJet
09 Sep - 18 Sep	AJet
05 Sep - 13 Sep	Pegasus Airlines
23 Sep - 02 Oct	Pegasus Airlines
11 Sep - 18 Sep	Pegasus Airlines
08 Sep - 12 Sep	AJet
24 Sep - 01 Oct	Pegasus Airlines
20 Sep - 11 Oct	Ryanair
16 Sep - 01 Oct	AJet
20 Sep - 12 Oct	Pegasus Airlines
14 Sep - 01 Oct	AJet
25 Sep - 30 Oct	Pegasus Airlines
15 Sep - 06 Oct	AJet
30 Sep - 07 Oct	AJet

Also check the deals for one-way flights from Brussels to Tehran in September.

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 Brussels to Tehran in September from 274€

Return flights