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Cheapest one-way flights from Washington (IAD) to Madrid (MAD), October

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Dates, airline, and price
Dates	Airline	Price
17 Oct	Frontier Airlines
14 Oct	Frontier Airlines
13 Oct	Frontier Airlines
15 Oct	Frontier Airlines
16 Oct	Breeze Airways
18 Oct	Frontier Airlines
04 Oct	Brussels Airlines
20 Oct	Iberia
20 Oct	Iberia Direct Flight
13 Oct	Iberia Direct Flight

deals for return flights from Washington to Madrid in October.

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Updated Jul 13, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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Cheapest one-way flights from Washington (IAD) to Madrid (MAD), October

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