Cheapest return flights from Washington to Madrid in April from $323

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

Return flights

16 Apr - 22 Apr TAP
12 Apr - 19 Apr TAP
16 Apr - 29 Apr TAP
16 Apr - 23 Apr TAP
26 Apr - 03 May TAP
15 Apr - 08 May TAP
06 Apr - 15 Apr TAP
07 Apr - 14 Apr TAP
06 Apr - 17 Apr TAP
01 Apr - 25 Apr TAP
06 Apr - 13 Apr TAP
01 Apr - 14 Apr British Airways
26 Apr - 03 May Iberia direct

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

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