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

Return flights

18 Jan - 29 Jan	Air Canada
25 Jan - 03 Feb	Air France
19 Jan - 02 Feb	Air Canada
22 Jan - 05 Feb	Air Canada
16 Jan - 20 Jan	Air France
17 Jan - 27 Jan	British Airways
15 Jan - 22 Jan	Iberia
30 Jan - 06 Feb	Iberia
11 Jan - 18 Jan	Finnair
06 Jan - 25 Jan	Air Canada
07 Jan - 31 Jan	British Airways
23 Jan - 01 Feb	jetBlue
20 Jan - 27 Jan	Iberia
20 Jan - 03 Feb	British Airways
10 Jan - 17 Jan	Iberia
04 Jan - 11 Jan	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.

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Cheapest return flights from Washington to Madrid in January from $423

Return flights