AirHint found the following cheapest return flights from Madrid (MAD) to Geneva (GVA) in September 2025 (see full year).

Return flights

26 Sep - 29 Sep	easyJet	direct
26 Sep - 01 Oct	easyJet	direct
29 Sep - 06 Oct	easyJet	direct
19 Sep - 24 Sep	easyJet	direct
17 Sep - 29 Sep	easyJet	direct
17 Sep - 24 Sep	easyJet	direct
19 Sep - 22 Sep	easyJet	direct
22 Sep - 24 Sep	Iberia
25 Sep - 29 Sep	Air Europa
16 Sep - 24 Sep	Air Europa
30 Sep - 08 Oct	easyJet
25 Sep - 28 Sep	Air Europa
17 Sep - 22 Sep	easyJet	direct
30 Sep - 08 Oct	Iberia	direct
18 Sep - 02 Oct	Iberia	direct
29 Sep - 03 Oct	Iberia	direct
30 Sep - 03 Oct	Iberia	direct

Also check the deals for one-way flights from Madrid to Geneva 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 Madrid to Geneva in September from $87

Return flights