LISPortela Airport
Lisbon, Portugal
IADWashington Dulles International Airport
Washington, United States
$7,743 USD
-53%$3,603 USD
Verified 1 day agoFebruary 2026
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Good Availability
46% of dates checked are available within 10% of the lowest price
Sunday, February 8th, 2026
5 round-trip options
Returning
Fri, Feb 13, 2026•5 Day Trip
$3,726 USD
Returning
Sat, Feb 14, 2026•6 Day Trip
$3,610 USD
Returning
Sun, Feb 15, 2026•7 Day Trip
$3,610 USD
Returning
Tue, Feb 17, 2026•9 Day Trip
$9,261 USD
Returning
Thu, Feb 19, 2026•11 Day Trip
$9,261 USD