AirHint found the following cheapest return flights from San Antonio (SAT) to Madrid (MAD) in May 2026 (see full year).

Return flights

01 May - 08 May	Air France
12 May - 02 Jun	British Airways
08 May - 15 May	Iberia
13 May - 20 May	Iberia
03 May - 10 May	Iberia
19 May - 07 Jun	British Airways
13 May - 30 May	British Airways
23 May - 02 Jun	Iberia
24 May - 02 Jun	United
26 May - 03 Jun	Air Canada
26 May - 02 Jun	United
23 May - 01 Jun	Air Canada
24 May - 31 May	United
27 May - 10 Jun	Air Canada
24 May - 01 Jun	United
18 May - 25 May	Iberia
25 May - 02 Jun	Spirit Airlines
23 May - 31 May	United
23 May - 30 May	Spirit Airlines
24 May - 30 May	Aeromexico

Also check the deals for one-way flights from San Antonio 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 San Antonio to Madrid in May from $600

Return flights