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

Return flights

01 Jun - 09 Jun	British Airways
01 Jun - 09 Jun	Finnair	direct
03 Jun - 09 Jun	British Airways
03 Jun - 09 Jun	Finnair	direct
01 Jun - 08 Jun	British Airways
01 Jun - 08 Jun	Finnair	direct
03 Jun - 08 Jun	TAP
03 Jun - 08 Jun	Finnair	direct
04 Jun - 08 Jun	TAP
20 Jun - 11 Jul	Air Canada
17 Jun - 11 Jul	Brussels Airlines
12 Jun - 27 Jun	British Airways
17 Jun - 11 Jul	Iberia	direct
15 Jun - 14 Jul	TAP
20 Jun - 11 Jul	British Airways	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.

Book a cheap hotel in Madrid

Cheap car rent in Madrid

Cheapest return flights from Washington to Madrid in June from 521€

Return flights