AirHint found the following cheapest return flights from Montpellier (MPL) to Athens (ATH) in September 2025 (see full year).

Return flights

20 Sep - 01 Oct	Transavia France	direct
27 Sep - 01 Oct	Transavia France	direct
20 Sep - 24 Sep	Transavia France	direct
17 Sep - 24 Sep	Transavia France	direct
20 Sep - 23 Sep	Transavia France
17 Sep - 20 Sep	Transavia France	direct
19 Sep - 24 Sep	Transavia France
20 Sep - 27 Sep	Transavia France	direct
17 Sep - 27 Sep	Transavia France	direct
19 Sep - 23 Sep	Transavia France
18 Sep - 25 Sep	easyJet
17 Sep - 28 Sep	Transavia France

Also check the deals for one-way flights from Montpellier to Athens 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 Montpellier to Athens in September from 194€

Return flights