LISPortela Airport
Lisbon, Portugal
IADWashington Dulles International Airport
Washington, United States
$5,843 USD
-38%$3,613 USD
Verified Nov 28, 2025 at 9:26 PMFebruary 2026
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Great Availability
64% of dates checked are available within 10% of the lowest price
Friday, February 13th, 2026
5 round-trip options
Returning
Mon, Feb 23, 2026•10 Day Trip
$3,614 USD
Returning
Tue, Feb 24, 2026•11 Day Trip
$9,428 USD
Returning
Wed, Feb 25, 2026•12 Day Trip
$9,428 USD
Returning
Thu, Feb 26, 2026•13 Day Trip
$9,427 USD
Returning
Fri, Feb 27, 2026•14 Day Trip
$9,427 USD