Washington (IAD) to Madrid (MAD) cheap flight deal from $474 USD in economy class

IBIberia Airlines

Round Trip•Economy

IAD

Washington Dulles International Airport

Washington, United States

MAD

Madrid-Barajas Airport

Madrid, Spain

$783 USD

-39%$474 USD

Verified Sep 21, 2025 at 3:33 PM

September 2025

Today

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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21$474 22$474 23$729 24$954 25$1,029 26$1,142 27$564 28$514 29$514 30$668 1$619 2$912 3$833 4$674 5$610

Extremely Rare Availability

4% of dates checked are available within 10% of the lowest price

Wednesday, September 24th, 2025

10 round-trip options

Returning

Mon, Sep 29, 2025•5 Day Trip

$1,928 USD

Google Flights

Returning

Tue, Sep 30, 2025•6 Day Trip

$1,878 USD

Google Flights

Returning

Wed, Oct 1, 2025•7 Day Trip

$954 USD

Google Flights

Returning

Thu, Oct 2, 2025•8 Day Trip

$1,104 USD

Google Flights

Returning

Fri, Oct 3, 2025•9 Day Trip

$1,137 USD

Google Flights

Returning

Sat, Oct 4, 2025•10 Day Trip

$983 USD

Google Flights

Returning

Sun, Oct 5, 2025•11 Day Trip

$1,033 USD

Google Flights

Returning

Mon, Oct 6, 2025•12 Day Trip

$1,187 USD

Google Flights

Returning

Tue, Oct 7, 2025•13 Day Trip

$1,215 USD

Google Flights

Returning

Wed, Oct 8, 2025•14 Day Trip

$1,154 USD

Google Flights