OPOFrancisco Sá Carneiro Airport
Porto, Portugal
IADWashington Dulles International Airport
Washington, United States
$694 USD
-28%$502 USD
Verified Nov 30, 2025 at 9:01 PMDecember 2025
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Great Availability
61% of dates checked are available within 10% of the lowest price
Saturday, December 13th, 2025
10 round-trip options
Returning
Thu, Dec 18, 2025•5 Day Trip
$1,235 USD
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Fri, Dec 19, 2025•6 Day Trip
$1,958 USD
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Sat, Dec 20, 2025•7 Day Trip
$1,770 USD
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Sun, Dec 21, 2025•8 Day Trip
$1,549 USD
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Mon, Dec 22, 2025•9 Day Trip
$1,424 USD
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Tue, Dec 23, 2025•10 Day Trip
$1,078 USD
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Wed, Dec 24, 2025•11 Day Trip
$943 USD
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Thu, Dec 25, 2025•12 Day Trip
$925 USD
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Fri, Dec 26, 2025•13 Day Trip
$1,078 USD
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Sat, Dec 27, 2025•14 Day Trip
$922 USD