Cheapest return flights from Washington to Madrid in August from 600€

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

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

Return flights

04 Aug - 19 Aug Lufthansa
10 Aug - 24 Aug Finnair direct
09 Aug - 23 Aug Finnair direct
22 Aug - 07 Sep Finnair direct
04 Aug - 12 Aug Air Canada
06 Aug - 17 Aug Lufthansa
31 Aug - 08 Sep SWISS
12 Aug - 19 Aug United
06 Aug - 17 Aug Finnair direct
02 Aug - 16 Aug Lufthansa
29 Aug - 11 Sep Air Canada
30 Aug - 07 Sep Finnair direct
02 Aug - 16 Aug Finnair direct
31 Aug - 08 Sep United direct
04 Aug - 19 Aug United direct
29 Aug - 11 Sep United direct

Also check the deals for one-way 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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