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

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Tue

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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

Sunday, March 22nd, 2026

7 round-trip options

Returning

Sun, Mar 29, 2026•7 Day Trip

$743 USD

Google Flights

Returning

Mon, Mar 30, 2026•8 Day Trip

$525 USD

Google Flights

Returning

Tue, Mar 31, 2026•9 Day Trip

$475 USD

Google Flights

Returning

Wed, Apr 1, 2026•10 Day Trip

$475 USD

Google Flights

Returning

Fri, Apr 3, 2026•12 Day Trip

$1,023 USD

Google Flights

Returning

Sat, Apr 4, 2026•13 Day Trip

$1,476 USD

Google Flights

Returning

Sun, Apr 5, 2026•14 Day Trip

$1,779 USD

Google Flights