AirHint found the following cheapest one-way flights from Washington (IAD) to Madrid (MAD) in August 2026 (see full year).
One-Way flights
| 23 Aug | Aer Lingus | ||
| 22 Aug | TAP | ||
| 09 Aug | TAP | ||
| 27 Aug | TAP | ||
| 23 Aug | United | direct | |
| 09 Aug | United | direct | |
| 22 Aug | United | direct | |
| 27 Aug | United | direct |
Also check the deals for return flights from Washington to Madrid in August.
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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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