IADWashington Dulles International Airport
Washington, United States
OPOFrancisco Sá Carneiro Airport
Porto, Portugal
$1,304 USD
-62%$491 USD
Verified Nov 4, 2025 at 6:21 AMDecember 2025
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Extremely Rare Availability
1% of dates checked are available within 10% of the lowest price
Tuesday, December 23rd, 2025
10 round-trip options
Returning
Sun, Dec 28, 2025•5 Day Trip
$1,557 USD
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Mon, Dec 29, 2025•6 Day Trip
$1,735 USD
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Tue, Dec 30, 2025•7 Day Trip
$1,497 USD
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Wed, Dec 31, 2025•8 Day Trip
$1,897 USD
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Thu, Jan 1, 2026•9 Day Trip
$2,793 USD
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Fri, Jan 2, 2026•10 Day Trip
$2,993 USD
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Sat, Jan 3, 2026•11 Day Trip
$2,920 USD
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Sun, Jan 4, 2026•12 Day Trip
$2,782 USD
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Mon, Jan 5, 2026•13 Day Trip
$2,110 USD
Returning
Tue, Jan 6, 2026•14 Day Trip
$1,839 USD