AirHint found the following cheapest return flights from Chicago (MDW) to Madrid (MAD) in November 2025 (see full year).

Return flights

18 Nov - 25 Nov	KLM
28 Nov - 04 Dec	KLM
19 Nov - 02 Dec	Delta
07 Nov - 14 Nov	Delta
19 Nov - 27 Nov	Delta
19 Nov - 24 Nov	Delta
26 Nov - 06 Dec	Delta
13 Nov - 27 Nov	Delta
20 Nov - 27 Nov	Delta
20 Nov - 13 Dec	Delta
20 Nov - 28 Nov	Delta
06 Nov - 09 Nov	Frontier Airlines
02 Nov - 06 Nov	Frontier Airlines
01 Nov - 05 Nov	Frontier Airlines
19 Nov - 01 Dec	Delta

Also check the deals for one-way flights from Chicago to Madrid in November.

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 Chicago to Madrid in November from 373€

Return flights