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

Return flights

20 Oct - 05 Nov	Spirit Airlines
08 Oct - 22 Oct	Air Canada
07 Oct - 14 Oct	United
21 Oct - 28 Oct	United
23 Oct - 30 Oct	United
30 Oct - 06 Nov	United
19 Oct - 26 Oct	Iberia
09 Oct - 16 Oct	Iberia
01 Oct - 08 Oct	Iberia
17 Oct - 24 Oct	Iberia
03 Oct - 10 Oct	United
10 Oct - 18 Oct	British Airways
27 Oct - 03 Nov	United
25 Oct - 01 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 $505

Return flights