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 agoJanuary 2027
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Good Availability
51% of dates checked are available within 10% of the lowest price
Sunday, January 17th, 2027
0 round-trip options
No flight details available for this date.