OPOFrancisco Sá Carneiro Airport
Porto, Portugal
IADWashington Dulles International Airport
Washington, United States
$1,003 USD
-49%$512 USD
Verified Nov 29, 2025 at 7:05 AMDecember 2025
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Fair Availability
28% of dates checked are available within 10% of the lowest price
Monday, December 15th, 2025
8 round-trip options
Returning
Sat, Dec 20, 2025•5 Day Trip
$1,864 USD
Returning
Sun, Dec 21, 2025•6 Day Trip
$1,860 USD
Returning
Mon, Dec 22, 2025•7 Day Trip
$2,306 USD
Returning
Tue, Dec 23, 2025•8 Day Trip
$1,182 USD
Returning
Thu, Dec 25, 2025•10 Day Trip
$1,530 USD
Returning
Fri, Dec 26, 2025•11 Day Trip
$2,306 USD
Returning
Sat, Dec 27, 2025•12 Day Trip
$966 USD
Returning
Sun, Dec 28, 2025•13 Day Trip
$1,530 USD