Cheapest one-way flights from Washington to Madrid in August from $207

Best time to book flights for Washington (IAD) to Madrid (MAD) flights at AirHint

AirHint found the following cheapest one-way flights from Washington (IAD) to Madrid (MAD) in August 2025 (see full year).

One-Way flights

16 Aug TAP
20 Aug TAP
03 Aug TAP
05 Aug TAP
29 Aug Porter Airlines (Canada) Ltd
26 Aug TAP
03 Aug Finnair direct
05 Aug Finnair direct
20 Aug Finnair direct
16 Aug United direct

Also check the deals for return flights from Washington to Madrid in August.

Skyscanner

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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