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
Friday, December 12th, 2025
9 round-trip options
Returning
Wed, Dec 17, 2025•5 Day Trip
$1,751 USD
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Thu, Dec 18, 2025•6 Day Trip
$2,441 USD
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Fri, Dec 19, 2025•7 Day Trip
$2,070 USD
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Sat, Dec 20, 2025•8 Day Trip
$2,070 USD
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Sun, Dec 21, 2025•9 Day Trip
$2,066 USD
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Mon, Dec 22, 2025•10 Day Trip
$2,512 USD
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Tue, Dec 23, 2025•11 Day Trip
$1,388 USD
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Thu, Dec 25, 2025•13 Day Trip
$1,736 USD
Returning
Fri, Dec 26, 2025•14 Day Trip
$2,512 USD