Washington (IAD) to Madrid (MAD) flight deal from $424 USD in economy class

AYFinnair

Round Trip•Economy

IAD

Washington Dulles International Airport

Washington, United States

MAD

Madrid-Barajas Airport

Madrid, Spain

$1,035 USD

-59%$424 USD

Verified Nov 30, 2025 at 10:23 PM

March 2026

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

23 24 25 26 27 28 1$475 2 3$526 4 5$525 6 7 8$526 9 10$526 11 12$625 13 14 15$526 16 17$526 18 19$525 20 21 22$475 23 24$575 25 26$1,506 27 28 29$1,053 30$784 31$559 1$559 2 3$844 4$844 5$634

Extremely Rare Availability

2% of dates checked are available within 10% of the lowest price

Tuesday, March 17th, 2026

6 round-trip options

Returning

Sun, Mar 22, 2026•5 Day Trip

$815 USD

Google Flights

Returning

Tue, Mar 24, 2026•7 Day Trip

$526 USD

Google Flights

Returning

Thu, Mar 26, 2026•9 Day Trip

$650 USD

Google Flights

Returning

Sun, Mar 29, 2026•12 Day Trip

$794 USD

Google Flights

Returning

Mon, Mar 30, 2026•13 Day Trip

$576 USD

Google Flights

Returning

Tue, Mar 31, 2026•14 Day Trip

$526 USD

Google Flights