IADWashington Dulles International Airport
Washington, United States
OPOFrancisco Sá Carneiro Airport
Porto, Portugal
$756 USD
-42%$438 USD
Verified Nov 30, 2025 at 9:02 PMDecember 2025
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Limited Availability
12% of dates checked are available within 10% of the lowest price
Monday, December 22nd, 2025
10 round-trip options
Returning
Sat, Dec 27, 2025•5 Day Trip
$2,185 USD
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Sun, Dec 28, 2025•6 Day Trip
$1,805 USD
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Mon, Dec 29, 2025•7 Day Trip
$1,668 USD
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Tue, Dec 30, 2025•8 Day Trip
$1,731 USD
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Wed, Dec 31, 2025•9 Day Trip
$1,795 USD
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Thu, Jan 1, 2026•10 Day Trip
$2,201 USD
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Fri, Jan 2, 2026•11 Day Trip
$2,555 USD
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Sat, Jan 3, 2026•12 Day Trip
$3,031 USD
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Sun, Jan 4, 2026•13 Day Trip
$2,746 USD
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Mon, Jan 5, 2026•14 Day Trip
$2,408 USD