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

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Finnair

Round Trip•Economy

Washington Dulles International Airport

Washington, United States

Madrid-Barajas Airport

$1,035 USD

-59%$424 USD

Verified Nov 30, 2025 at 10:23 PM

January 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

29 30$575 31 1$625 2 3 4$1,625 5 6$744 7 8$574 9 10 11$475 12 13$424 14 15$525 16 17 18$474 19 20$475 21 22$474 23 24 25$424 26 27$424 28 29$474 30 31 1

Extremely Rare Availability

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

Sunday, January 18th, 2026

4 round-trip options

Returning

Sun, Jan 25, 2026•7 Day Trip

$474 USD

Returning

Tue, Jan 27, 2026•9 Day Trip

$475 USD

Returning

Thu, Jan 29, 2026•11 Day Trip

$475 USD

Returning

Sun, Feb 1, 2026•14 Day Trip

$525 USD