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 AMJanuary 2026
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Fair Availability
28% of dates checked are available within 10% of the lowest price
Friday, January 30th, 2026
9 round-trip options
Returning
Wed, Feb 4, 2026•5 Day Trip
$734 USD
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Thu, Feb 5, 2026•6 Day Trip
$577 USD
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Fri, Feb 6, 2026•7 Day Trip
$517 USD
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Sun, Feb 8, 2026•9 Day Trip
$530 USD
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Mon, Feb 9, 2026•10 Day Trip
$517 USD
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Tue, Feb 10, 2026•11 Day Trip
$563 USD
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Wed, Feb 11, 2026•12 Day Trip
$1,523 USD
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Thu, Feb 12, 2026•13 Day Trip
$577 USD
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Fri, Feb 13, 2026•14 Day Trip
$830 USD