AirHint found the following cheapest return flights from Washington (IAD) to Madrid (MAD) in October 2026 (see full year).
Return flights
| 07 Oct - 22 Oct | British Airways | ||
| 07 Oct - 22 Oct | Finnair | direct | |
| 01 Oct - 06 Oct | Aer Lingus | direct | |
| 25 Oct - 01 Nov | Lufthansa | ||
| 25 Oct - 01 Nov | Finnair | direct |
Also check the deals for one-way flights from Washington to Madrid in October.
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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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