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

Return flights

03 Jun - 08 Jun	TAP
03 Jun - 07 Jun	TAP
10 Jun - 17 Jun	TAP
03 Jun - 09 Jun	TAP
11 Jun - 18 Jun	TAP
10 Jun - 13 Jun	TAP
02 Jun - 08 Jun	TAP
19 Jun - 01 Jul	TAP
05 Jun - 12 Jun	TAP
25 Jun - 02 Jul	TAP
17 Jun - 30 Jun	TAP
15 Jun - 22 Jun	TAP
25 Jun - 04 Jul	TAP
22 Jun - 02 Jul	Aer Lingus
22 Jun - 02 Jul	Iberia	direct
13 Jun - 04 Jul	British Airways
12 Jun - 04 Jul	British Airways
12 Jun - 01 Jul	British Airways
13 Jun - 01 Jul	British Airways
19 Jun - 01 Jul	American Airlines	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 $566

Return flights