Madrid (MAD) to Washington (IAD) flight deal from $336 USD in economy class – flightdeals.net

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Finnair

One Way•Economy

Madrid-Barajas Airport

Washington Dulles International Airport

Washington, United States

$632 USD

-47%$336 USD

Verified Nov 30, 2025 at 10:22 PM

December 2025

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Tue

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1 2$1,732 3 4$1,732 5 6 7$864 8 9$839 10 11$839 12 13 14$864 15 16$839 17 18$1,124 19 20 21$1,716 22 23$1,124 24 25$839 26 27 28$701 29 30$1,732 31 1$1,692 2 3 4

Limited Availability

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

Monday, December 22nd, 2025

No flight details available for this date.