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

Return flights

10 May - 22 May	Spirit Airlines
07 May - 22 May	Spirit Airlines
12 May - 17 May	Spirit Airlines
05 May - 12 May	Iberia
01 May - 16 May	Spirit Airlines
10 May - 17 May	Iberia
01 May - 16 May	British Airways	direct
21 May - 01 Jun	Spirit Airlines
12 May - 17 May	British Airways	direct
20 May - 27 May	Iberia	direct
21 May - 01 Jun	British Airways	direct
25 May - 01 Jun	Iberia	direct
10 May - 22 May	Finnair	direct
30 May - 06 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 523€

Return flights