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

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
11 Aug Frontier Airlines
14 Aug Frontier Airlines
10 Aug Frontier Airlines
02 Aug Frontier Airlines
07 Aug Frontier Airlines
16 Aug Frontier Airlines
22 Aug Icelandair
15 Aug Frontier Airlines
01 Aug Frontier Airlines
09 Aug Frontier Airlines
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deals for return flights from Washington to Madrid in August.

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Updated Jul 3, 2026.

About these fares

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