Cheapest return flights from Washington to Madrid in April from 351€

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

Return flights

12 Apr - 19 Apr TAP
22 Apr - 29 Apr TAP
14 Apr - 20 Apr TAP
20 Apr - 30 Apr TAP
15 Apr - 23 Apr TAP
12 Apr - 20 Apr TAP
08 Apr - 20 Apr SWISS
08 Apr - 21 Apr British Airways
08 Apr - 14 Apr British Airways
14 Apr - 21 Apr British Airways
28 Apr - 26 May Delta
28 Apr - 26 May United direct
25 Apr - 02 May Iberia
30 Apr - 06 May British Airways
25 Apr - 03 May Air Canada
30 Apr - 07 May Aer Lingus
30 Apr - 10 May SWISS
25 Apr - 03 May Aer Lingus direct

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

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