IADWashington Dulles International Airport
Washington, United States
MADMadrid-Barajas Airport
Madrid, Spain
$1,035 USD
-59%$424 USD
Verified Nov 30, 2025 at 10:23 PMMarch 2026
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Extremely Rare Availability
2% of dates checked are available within 10% of the lowest price
Tuesday, March 10th, 2026
5 round-trip options
Returning
Sun, Mar 15, 2026•5 Day Trip
$576 USD
Returning
Tue, Mar 17, 2026•7 Day Trip
$526 USD
Returning
Thu, Mar 19, 2026•9 Day Trip
$526 USD
Returning
Sun, Mar 22, 2026•12 Day Trip
$794 USD
Returning
Tue, Mar 24, 2026•14 Day Trip
$526 USD