IAD to MAD from $321 in economy – flightdeals.net

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Iberia Airlines

IBIberia Airlines

One Way•Economy

Washington Dulles International Airport

Washington, United States

Madrid-Barajas Airport

$402 USD

-20%$321 USD

Verified about 11 hours ago

September 2026

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31$471 1$380 2$380 3$440 4$440 5$440 6$380 7$380 8$384 9$402 10$444 11$440 12$440 13$380 14$380 15$380 16$380 17$371 18$371 19$371 20$321 21$321 22$321 23$321 24$371 25$371 26$371 27$321 28$321 29$321 30$325 1$371 2$371 3$371 4$321

Fair Availability

37% of dates checked are available within 10% of the lowest price

Wednesday, September 23rd, 2026

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