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

Return flights

01 Jun - 12 Jun	American Airlines
08 Jun - 13 Jun	Air Canada
10 Jun - 18 Jun	Air Canada
16 Jun - 25 Jun	KLM
09 Jun - 02 Jul	Air Canada
08 Jun - 18 Jun	Air Canada
02 Jun - 07 Jul	Air Canada
03 Jun - 07 Jun	American Airlines
04 Jun - 09 Jun	Air Canada
20 Jun - 07 Jul	Air Canada
01 Jun - 30 Jun	KLM
10 Jun - 08 Jul	Delta
01 Jun - 08 Jun	Iberia
25 Jun - 02 Jul	Air Canada
05 Jun - 07 Jun	American Airlines
19 Jun - 03 Jul	Air Canada
18 Jun - 29 Jul	American Airlines
27 Jun - 04 Jul	Air Canada
21 Jun - 01 Jul	British Airways
30 Jun - 05 Jul	jetBlue

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

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 June from $815

Return flights