Cheapest return flights from Austin to Madrid in December from 489€

AirHint found the following cheapest return flights from Austin (AUS) to Madrid (MAD) in December 2025 (see full year).

Return flights

03 Dec - 10 Dec United
02 Dec - 23 Dec United
08 Dec - 15 Dec Iberia
23 Dec - 30 Dec United
25 Dec - 01 Jan KLM
13 Dec - 20 Dec Iberia
23 Dec - 07 Jan Lufthansa
18 Dec - 25 Dec Iberia
27 Dec - 10 Jan Delta
25 Dec - 04 Jan KLM
23 Dec - 02 Jan Delta
28 Dec - 03 Jan Lufthansa
27 Dec - 02 Jan KLM
28 Dec - 04 Jan United
20 Dec - 05 Jan British Airways

Also check the deals for one-way flights from Austin to Madrid in December.

Skyscanner

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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