LISPortela Airport
Lisbon, Portugal
IADWashington Dulles International Airport
Washington, United States
$7,743 USD
-53%$3,603 USD
Verified 1 day agoJanuary 2026
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Good Availability
46% of dates checked are available within 10% of the lowest price
Friday, January 30th, 2026
10 round-trip options
Returning
Wed, Feb 4, 2026•5 Day Trip
$3,611 USD
Returning
Thu, Feb 5, 2026•6 Day Trip
$3,611 USD
Returning
Fri, Feb 6, 2026•7 Day Trip
$3,611 USD
Returning
Sat, Feb 7, 2026•8 Day Trip
$3,611 USD
Returning
Sun, Feb 8, 2026•9 Day Trip
$3,610 USD
Returning
Mon, Feb 9, 2026•10 Day Trip
$3,610 USD
Returning
Tue, Feb 10, 2026•11 Day Trip
$3,610 USD
Returning
Wed, Feb 11, 2026•12 Day Trip
$3,610 USD
Returning
Thu, Feb 12, 2026•13 Day Trip
$4,432 USD
Returning
Fri, Feb 13, 2026•14 Day Trip
$4,432 USD