AirHint found the following cheapest return flights from Guadalajara (GDL) to Madrid (MAD) in September 2026 (see full year).

Return flights

24 Sep - 24 Oct	Iberia
23 Sep - 07 Oct	Iberia
23 Sep - 30 Sep	Iberia
09 Sep - 24 Sep	Delta
09 Sep - 16 Sep	Delta
09 Sep - 23 Sep	Delta
01 Sep - 15 Sep	Delta
01 Sep - 23 Sep	Delta
02 Sep - 24 Sep	Delta
02 Sep - 09 Sep	Delta
01 Sep - 17 Sep	Delta
01 Sep - 21 Sep	Delta
02 Sep - 28 Oct	Delta
01 Sep - 27 Oct	Iberia
14 Sep - 01 Oct	Iberia
23 Sep - 04 Oct	Iberia
27 Sep - 11 Oct	Iberia
18 Sep - 02 Oct	Iberia
14 Sep - 03 Oct	Iberia
21 Sep - 07 Oct	Iberia

Also check the deals for one-way flights from Guadalajara to Madrid 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 Guadalajara to Madrid in September from 826€

Return flights