IADWashington Dulles International Airport
Washington, United States
OPOFrancisco Sá Carneiro Airport
Porto, Portugal
$1,204 USD
-63%$441 USD
Verified Nov 29, 2025 at 7:02 AMExtremely Rare Availability
1% of dates checked are available within 10% of the lowest price
Sunday, January 4th, 2026
10 round-trip options
Returning
Fri, Jan 9, 2026•5 Day Trip
$2,908 USD
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Sat, Jan 10, 2026•6 Day Trip
$2,601 USD
Returning
Sun, Jan 11, 2026•7 Day Trip
$2,614 USD
Returning
Mon, Jan 12, 2026•8 Day Trip
$2,139 USD
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Tue, Jan 13, 2026•9 Day Trip
$2,250 USD
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Wed, Jan 14, 2026•10 Day Trip
$2,198 USD
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Thu, Jan 15, 2026•11 Day Trip
$2,187 USD
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Fri, Jan 16, 2026•12 Day Trip
$2,314 USD
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Sat, Jan 17, 2026•13 Day Trip
$2,304 USD
Returning
Sun, Jan 18, 2026•14 Day Trip
$2,708 USD