AirHint found the following cheapest return flights from Chicago (ORD) to Madrid (MAD) in August 2026 (see full year).
Return flights
| 06 Aug - 29 Aug | TAP | ||
| 16 Aug - 23 Aug | Finnair | direct | |
| 01 Aug - 15 Aug | TAP | ||
| 06 Aug - 29 Aug | British Airways | direct | |
| 01 Aug - 15 Aug | British Airways | direct |
Also check the deals for one-way flights from Chicago to Madrid in August.
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