AirHint found the following cheapest one-way flights from Washington (IAD) to Madrid (MAD) in April 2026 (see full year).
One-Way flights
| 01 Apr | TAP | ||
| 06 Apr | TAP | ||
| 03 Apr | TAP | ||
| 22 Apr | TAP | ||
| 20 Apr | TAP | ||
| 02 Apr | TAP | ||
| 10 Apr | TAP | ||
| 06 Apr | United | direct | |
| 01 Apr | Iberia | direct | |
| 22 Apr | Iberia | direct |
Also check the deals for return flights from Washington to Madrid in April.
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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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