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

Return flights

29 Sep - 10 Oct	Volotea	direct
29 Sep - 13 Oct	Volotea	direct
29 Sep - 03 Oct	Volotea	direct
26 Sep - 10 Oct	Volotea	direct
26 Sep - 13 Oct	Volotea	direct
26 Sep - 03 Oct	Volotea	direct
22 Sep - 29 Sep	Volotea	direct
22 Sep - 10 Oct	Volotea	direct
22 Sep - 03 Oct	Volotea	direct
29 Sep - 06 Oct	Volotea	direct
29 Sep - 17 Oct	Volotea	direct
19 Sep - 29 Sep	Volotea	direct
19 Sep - 22 Sep	Volotea	direct
19 Sep - 26 Sep	Volotea	direct
26 Sep - 28 Sep	Volotea
20 Sep - 22 Sep	Volotea
26 Sep - 26 Sep	Volotea
23 Sep - 24 Sep	easyJet
19 Sep - 20 Sep	Volotea
19 Sep - 21 Sep	Volotea

Also check the deals for one-way flights from Montpellier to Lille 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 Lille in September from $105

Return flights