Cheapest return flights from Washington to Madrid in December from $539

AirHint found the following cheapest return flights from Washington (IAD) to Madrid (MAD) in December 2026 (see full year).

Return flights

13 Dec - 07 Jan Lufthansa
16 Dec - 10 Jan TAP
20 Dec - 30 Dec TAP
13 Dec - 07 Jan American Airlines direct
15 Dec - 31 Dec TAP
17 Dec - 27 Dec TAP
15 Dec - 31 Dec Iberia direct
17 Dec - 27 Dec American Airlines direct

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

Powered by

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

Feel free to contact us with any feedback or request another flight research.