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

Return flights

26 Jul - 02 Aug	KLM
25 Jul - 30 Jul	Delta
25 Jul - 31 Jul	Delta
25 Jul - 06 Aug	Delta
29 Jul - 19 Aug	British Airways
31 Jul - 31 Aug	KLM
20 Jul - 22 Aug	ITA Airways
22 Jul - 29 Jul	KLM
24 Jul - 04 Aug	TAP
23 Jul - 01 Aug	Air France
24 Jul - 30 Jul	Air Canada
24 Jul - 31 Jul	Air France
25 Jul - 31 Jul	Iberia	direct
25 Jul - 30 Jul	Lufthansa	direct
26 Jul - 02 Aug	Iberia	direct
27 Jul - 30 Jul	TAP
22 Jul - 30 Jul	United
21 Jul - 29 Jul	United	direct
24 Jul - 04 Aug	Lufthansa	direct
24 Jul - 05 Aug	United	direct

Also check the deals for one-way flights from Madrid to Washington 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 Madrid to Washington in July from $800

Return flights