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

Return flights

27 Jul - 07 Aug	Virgin Atlantic
22 Jul - 29 Jul	British Airways
20 Jul - 29 Jul	British Airways
31 Jul - 14 Aug	Delta
23 Jul - 29 Jul	Air France
13 Jul - 22 Jul	Air Canada
24 Jul - 30 Jul	Delta
18 Jul - 25 Jul	Delta
23 Jul - 27 Jul	Delta
29 Jul - 05 Aug	United
25 Jul - 18 Aug	Delta
23 Jul - 30 Jul	United
13 Jul - 21 Jul	Delta
18 Jul - 21 Jul	Delta
29 Jul - 04 Aug	Delta
27 Jul - 10 Aug	Delta
25 Jul - 01 Aug	Delta
24 Jul - 10 Aug	Delta
25 Jul - 03 Aug	Delta
26 Jul - 03 Aug	Delta

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

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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Cheapest return flights from Washington to Madrid in July from 491€

Return flights