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

Return flights

30 Jul - 05 Aug	KLM
29 Jul - 06 Aug	Finnair	direct
13 Jul - 23 Jul	Lufthansa
12 Jul - 16 Jul	TAP
14 Jul - 17 Jul	TAP
16 Jul - 23 Jul	Lufthansa
21 Jul - 04 Aug	TAP
22 Jul - 29 Jul	Air Canada
21 Jul - 29 Jul	United
22 Jul - 05 Aug	United
21 Jul - 28 Jul	Air Canada
15 Jul - 22 Jul	Lufthansa
28 Jul - 09 Aug	United
16 Jul - 23 Jul	British Airways	direct
20 Jul - 04 Aug	SWISS
24 Jul - 05 Aug	United
24 Jul - 31 Jul	United
30 Jul - 05 Aug	British Airways	direct
28 Jul - 07 Aug	Air Canada
23 Jul - 02 Aug	United

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

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 July from 600€

Return flights