SEASeattle–Tacoma International Airport
Seattle / Tacoma, United States
MADMadrid-Barajas Airport
Madrid, Spain
$778 USD
-45%$427 USD
Verified Nov 28, 2025 at 12:27 AMMarch 2026
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Limited Availability
16% of dates checked are available within 10% of the lowest price
Thursday, March 12th, 2026
10 round-trip options
Returning
Tue, Mar 17, 2026•5 Day Trip
$543 USD
Returning
Wed, Mar 18, 2026•6 Day Trip
$543 USD
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Thu, Mar 19, 2026•7 Day Trip
$543 USD
Returning
Fri, Mar 20, 2026•8 Day Trip
$574 USD
Returning
Sat, Mar 21, 2026•9 Day Trip
$656 USD
Returning
Sun, Mar 22, 2026•10 Day Trip
$754 USD
Returning
Mon, Mar 23, 2026•11 Day Trip
$599 USD
Returning
Tue, Mar 24, 2026•12 Day Trip
$553 USD
Returning
Wed, Mar 25, 2026•13 Day Trip
$605 USD
Returning
Thu, Mar 26, 2026•14 Day Trip
$697 USD