Cheapest one-way flights from Chicago to Madrid in March from $245

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

One-Way flights

01 Mar Frontier Airlines
02 Mar Frontier Airlines
18 Mar TAP
31 Mar jetBlue
13 Mar TAP
18 Mar Finnair direct
01 Mar British Airways direct
02 Mar British Airways direct
13 Mar Finnair direct
07 Mar Finnair direct

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

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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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