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
Sunday, November 22nd, 2026
5 round-trip options
Returning
Fri, Nov 27, 2026•5 Day Trip
$929 USD
Returning
Sun, Nov 29, 2026•7 Day Trip
$776 USD
Returning
Mon, Nov 30, 2026•8 Day Trip
$775 USD
Returning
Tue, Dec 1, 2026•9 Day Trip
$828 USD
Returning
Sat, Dec 5, 2026•13 Day Trip
$871 USD