AirHint found the following cheapest return flights from Charlotte (CLT) to Madrid (MAD) in May 2026 (see full year).

Return flights

20 May - 04 Jun	Iberia
01 May - 08 May	Iberia	direct
11 May - 18 May	Iberia
21 May - 28 May	Iberia
20 May - 04 Jun	Iberia	direct
16 May - 23 May	Iberia
25 May - 03 Jun	British Airways
26 May - 02 Jun	Iberia	direct
31 May - 07 Jun	Iberia	direct
27 May - 22 Jun	Lufthansa
27 May - 22 Jun	Iberia	direct
25 May - 03 Jun	Iberia	direct

Also check the deals for one-way flights from Charlotte to Madrid in May.

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 Charlotte to Madrid in May from 629€

Return flights