AirHint found the following cheapest one-way flights from Washington (IAD) to Madrid (MAD) in January 2026 (see full year).
One-Way flights
| 19 Jan | TAP | ||
| 12 Jan | TAP | ||
| 20 Jan | TAP | ||
| 27 Jan | Air France | ||
| 18 Jan | Air France | ||
| 11 Jan | TAP | ||
| 24 Jan | TAP | ||
| 31 Jan | TAP | ||
| 17 Jan | Frontier Airlines | ||
| 27 Jan | Aer Lingus | direct |
Also check the deals for return flights from Washington to Madrid in January.
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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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