Cheapest return flights from Washington to Madrid in April from $421

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

Return flights

19 Apr - 30 Apr TAP
19 Apr - 29 Apr TAP
20 Apr - 29 Apr TAP
30 Apr - 06 May TAP
30 Apr - 07 May TAP
08 Apr - 15 Apr TAP
14 Apr - 21 Apr British Airways
14 Apr - 21 Apr Iberia direct
12 Apr - 21 Apr British Airways
12 Apr - 22 Apr British Airways
21 Apr - 28 Apr British Airways
12 Apr - 21 Apr Iberia direct
25 Apr - 03 May TAP
27 Apr - 20 May KLM
27 Apr - 19 May KLM
29 Apr - 07 May British Airways
27 Apr - 04 May TAP
27 Apr - 19 May Iberia direct
25 Apr - 02 May Iberia direct
25 Apr - 02 May TAP

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

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