Porto (OPO) to Washington (IAD) flight deal in economy from $641
OPOFrancisco Sá Carneiro Airport
Porto, Portugal
IADWashington Dulles International Airport
Washington, United States
$817 USD
-22%$641 USD
Verified 14 days agoNovember 2026
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Good Availability
51% of dates checked are available within 10% of the lowest price
Tuesday, November 24th, 2026
5 round-trip options
Returning
Sun, Nov 29, 2026•5 Day Trip
$661 USD
Returning
Tue, Dec 1, 2026•7 Day Trip
$736 USD
Returning
Wed, Dec 2, 2026•8 Day Trip
$660 USD
Returning
Thu, Dec 3, 2026•9 Day Trip
$660 USD
Returning
Mon, Dec 7, 2026•13 Day Trip
$706 USD