AirHint found the following cheapest return flights from San Diego (SAN) to Madrid (MAD) in October 2025 (see full year).

Return flights

06 Oct - 22 Oct	Air Canada
12 Oct - 22 Oct	Air Canada
06 Oct - 29 Oct	Air Canada
13 Oct - 20 Oct	Air Canada
07 Oct - 23 Oct	Air Canada
07 Oct - 22 Oct	Air Canada
08 Oct - 23 Oct	Lufthansa
28 Oct - 06 Nov	British Airways
14 Oct - 29 Oct	Lufthansa
13 Oct - 29 Oct	Lufthansa
15 Oct - 30 Oct	Lufthansa
15 Oct - 20 Nov	Lufthansa
29 Oct - 05 Nov	Lufthansa
30 Oct - 13 Nov	Lufthansa
28 Oct - 04 Nov	British Airways
30 Oct - 09 Nov	Lufthansa
29 Oct - 22 Nov	Lufthansa
26 Oct - 02 Nov	British Airways

Also check the deals for one-way flights from San Diego 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.

Book a cheap hotel in Madrid

Cheap car rent in Madrid

Cheapest return flights from San Diego to Madrid in October from 369€

Return flights