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
Thursday, December 25th, 2025
10 round-trip options
Returning
Tue, Dec 30, 2025•5 Day Trip
$571 USD
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Wed, Dec 31, 2025•6 Day Trip
$1,123 USD
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Thu, Jan 1, 2026•7 Day Trip
$542 USD
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Fri, Jan 2, 2026•8 Day Trip
$1,723 USD
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Sat, Jan 3, 2026•9 Day Trip
$1,549 USD
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Sun, Jan 4, 2026•10 Day Trip
$1,471 USD
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Mon, Jan 5, 2026•11 Day Trip
$1,376 USD
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Tue, Jan 6, 2026•12 Day Trip
$661 USD
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Wed, Jan 7, 2026•13 Day Trip
$529 USD
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Thu, Jan 8, 2026•14 Day Trip
$525 USD