Cheapest one-way flights from Chicago to Madrid in March from 303€

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

One-Way flights

29 Mar TAP
30 Mar Spirit Airlines
31 Mar Frontier Airlines
25 Mar Frontier Airlines
24 Mar Frontier Airlines
27 Mar Spirit Airlines
28 Mar Frontier Airlines
26 Mar TAP
24 Mar British Airways direct
30 Mar Iberia 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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