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

Return flights

06 May - 14 May	KLM
08 May - 20 May	Delta
04 May - 14 May	Delta
06 May - 13 May	Delta
06 May - 17 May	Delta
04 May - 10 May	Delta
05 May - 11 May	American Airlines
07 May - 17 May	Delta
05 May - 16 May	Delta
21 May - 26 May	Delta
18 May - 01 Jun	American Airlines
18 May - 23 Jun	Delta
26 May - 06 Jun	American Airlines
18 May - 02 Jun	Avianca
20 May - 03 Jun	Avianca
14 May - 14 Jun	Avianca
27 May - 10 Jun	Avianca
30 May - 14 Jun	Avianca
30 May - 06 Jun	Avianca
27 May - 07 Jun	Avianca

Also check the deals for one-way flights from Fort Lauderdale 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 Fort Lauderdale to Madrid in May from $510

Return flights