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

Return flights

01 Jun - 10 Jun	Iberia
01 Jun - 10 Jun	Finnair	direct
08 Jun - 22 Jun	Air Canada
30 Jun - 14 Jul	Lufthansa
15 Jun - 14 Jul	Lufthansa
17 Jun - 24 Jun	Brussels Airlines
04 Jun - 08 Jun	TAP
24 Jun - 22 Jul	Brussels Airlines
11 Jun - 25 Jun	Lufthansa
26 Jun - 03 Jul	Lufthansa
13 Jun - 27 Jun	Iberia
17 Jun - 22 Jun	Iberia	direct
17 Jun - 22 Jun	Brussels Airlines
24 Jun - 22 Jul	Iberia	direct
30 Jun - 14 Jul	American Airlines	direct
18 Jun - 23 Jun	British Airways
26 Jun - 03 Jul	Iberia	direct

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 $558

Return flights