Cheapest return flights from Washington to Madrid in December from 273€

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

Return flights

01 Dec - 08 Dec TAP
02 Dec - 09 Dec TAP
04 Dec - 11 Dec TAP
02 Dec - 09 Dec Finnair direct
08 Dec - 15 Dec TAP
10 Dec - 17 Dec TAP
04 Dec - 11 Dec Finnair direct
11 Dec - 18 Dec TAP
31 Dec - 09 Jan TAP
06 Dec - 13 Dec TAP
31 Dec - 07 Jan TAP
12 Dec - 19 Dec Air Canada
25 Dec - 11 Jan TAP
30 Dec - 06 Jan Air Canada
12 Dec - 10 Jan TAP
28 Dec - 04 Jan TAP
23 Dec - 09 Jan Air Canada
26 Dec - 02 Jan Aer Lingus
22 Dec - 04 Jan Scandinavian Airlines
30 Dec - 06 Jan Finnair direct

Also check the deals for one-way flights from Washington 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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