Cheapest return flights from Charlotte to Madrid in September from $426

AirHint found the following cheapest return flights from Charlotte (CLT) to Madrid (MAD) in September 2025 (see full year).

Return flights

17 Sep - 24 Sep Spirit Airlines
09 Sep - 17 Sep Spirit Airlines
15 Sep - 23 Sep Spirit Airlines
22 Sep - 30 Oct Spirit Airlines
23 Sep - 29 Sep Spirit Airlines
28 Sep - 07 Oct Frontier Airlines
22 Sep - 30 Oct American Airlines direct
23 Sep - 30 Sep Iberia
19 Sep - 23 Sep Spirit Airlines
28 Sep - 07 Oct British Airways direct
11 Sep - 16 Sep Spirit Airlines
29 Sep - 08 Oct Iberia direct
11 Sep - 19 Sep Spirit Airlines
29 Sep - 06 Oct Iberia direct
25 Sep - 02 Oct Iberia direct
26 Sep - 10 Oct British Airways direct
10 Sep - 18 Sep Spirit Airlines
18 Sep - 30 Oct Air Canada
26 Sep - 28 Sep Spirit Airlines
27 Sep - 04 Oct Iberia

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

Skyscanner

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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