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

Return flights

11 Mar - 20 Mar	TAP
18 Mar - 24 Mar	TAP
04 Mar - 13 Mar	TAP
18 Mar - 25 Mar	TAP
04 Mar - 11 Mar	TAP
11 Mar - 18 Mar	TAP
25 Mar - 08 Apr	TAP
25 Mar - 01 Apr	TAP
06 Mar - 13 Mar	TAP
20 Mar - 27 Mar	TAP
13 Mar - 20 Mar	TAP
06 Mar - 15 Mar	Scandinavian Airlines
19 Mar - 02 Apr	Finnair	direct
27 Mar - 03 Apr	TAP
25 Mar - 01 Apr	American Airlines	direct
25 Mar - 08 Apr	American Airlines	direct
27 Mar - 03 Apr	Finnair	direct

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

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 March from $275

Return flights