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

Return flights

12 Apr - 22 Apr	Air Canada
14 Apr - 21 Apr	United
14 Apr - 23 Apr	British Airways
21 Apr - 28 Apr	British Airways
19 Apr - 29 Apr	British Airways
15 Apr - 23 Apr	British Airways
08 Apr - 15 Apr	British Airways
29 Apr - 05 May	jetBlue
29 Apr - 06 May	jetBlue
13 Apr - 20 Apr	United
14 Apr - 20 Apr	United
09 Apr - 14 Apr	British Airways
30 Apr - 04 May	jetBlue
26 Apr - 03 May	Iberia
30 Apr - 07 May	jetBlue
30 Apr - 10 May	jetBlue
06 Apr - 19 May	British Airways
26 Apr - 10 May	British Airways

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

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 April from $476

Return flights