Cheapest one-way ORD–MAD flights, August

AirHint found the following cheapest one-way flights from Chicago (ORD) to Madrid (MAD) in August 2026 (see full year).

One-Way flights

16 Aug Aer Lingus
18 Aug British Airways
09 Aug Aer Lingus
10 Aug Aer Lingus
19 Aug British Airways direct
10 Aug Iberia direct
18 Aug Iberia direct
15 Aug British Airways
14 Aug American Airlines
31 Aug Spirit Airlines

Also check the deals for return flights from Chicago to Madrid in August.

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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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