Cheapest return flights from Washington to Madrid in December from 363€

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

Return flights

06 Dec - 17 Dec British Airways direct
10 Dec - 17 Dec TAP
10 Dec - 17 Dec British Airways direct
15 Dec - 31 Dec Finnair direct
17 Dec - 24 Dec British Airways direct
20 Dec - 30 Dec Lufthansa
17 Dec - 02 Jan Lufthansa
18 Dec - 02 Jan Lufthansa

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.