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

Return flights

11 Jan - 12 Feb	Air Canada
07 Jan - 21 Jan	British Airways
20 Jan - 28 Jan	British Airways
12 Jan - 13 Feb	British Airways
18 Jan - 27 Jan	Finnair
11 Jan - 21 Jan	Finnair
20 Jan - 27 Jan	Iberia
14 Jan - 21 Jan	British Airways
14 Jan - 20 Jan	Delta
15 Jan - 20 Jan	British Airways
16 Jan - 21 Jan	British Airways
08 Jan - 21 Jan	British Airways
26 Jan - 02 Feb	Iberia
29 Jan - 05 Feb	Iberia
29 Jan - 01 Feb	British Airways
29 Jan - 08 Feb	British Airways
29 Jan - 07 Feb	British Airways
30 Jan - 14 Feb	British Airways
30 Jan - 09 Feb	British Airways
31 Jan - 09 Feb	British Airways

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

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

Cheapest return flights from Washington to Madrid in January from $413

Return flights