Cheapest return flights from Washington to Madrid in August from $412

AirHint found the following cheapest return flights from Washington (IAD) to Madrid (MAD) in August 2026 (see full year).

Return flights

10 Aug - 09 Sep TAP
26 Aug - 09 Sep TAP
26 Aug - 06 Sep TAP
26 Aug - 05 Sep TAP
31 Aug - 07 Sep TAP
21 Aug - 28 Aug TAP
11 Aug - 21 Aug Aer Lingus
04 Aug - 18 Aug ITA Airways
11 Aug - 21 Aug Finnair direct
03 Aug - 18 Aug ITA Airways
04 Aug - 17 Aug ITA Airways
07 Aug - 21 Aug United
06 Aug - 18 Aug ITA Airways
04 Aug - 11 Aug TAP
03 Aug - 17 Aug ITA Airways
26 Aug - 05 Sep British Airways direct

Also check the deals for one-way flights from Washington to Madrid in August.

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