AirHint found the following cheapest return flights from Raleigh-durham (RDU) to Madrid (MAD) in October 2025 (see full year).

Return flights

07 Oct - 14 Oct	United
22 Oct - 29 Oct	United
09 Oct - 14 Oct	Frontier Airlines
02 Oct - 09 Oct	United
17 Oct - 24 Oct	United
12 Oct - 19 Oct	Iberia
12 Oct - 18 Oct	British Airways
27 Oct - 03 Nov	United

Also check the deals for one-way flights from Raleigh-durham to Madrid in October.

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 Raleigh-durham to Madrid in October from $576

Return flights