Washington (IAD) to Porto (OPO) flight deal in economy from $739
IADWashington Dulles International Airport
Washington, United States
OPOFrancisco Sá Carneiro Airport
Porto, Portugal
$1,088 USD
-32%$739 USD
Verified 13 days agoNovember 2026
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Limited Availability
19% of dates checked are available within 10% of the lowest price
Saturday, November 28th, 2026
8 round-trip options
Returning
Thu, Dec 3, 2026•5 Day Trip
$1,091 USD
Returning
Fri, Dec 4, 2026•6 Day Trip
$1,390 USD
Returning
Sat, Dec 5, 2026•7 Day Trip
$2,167 USD
Returning
Sun, Dec 6, 2026•8 Day Trip
$1,258 USD
Returning
Tue, Dec 8, 2026•10 Day Trip
$1,211 USD
Returning
Wed, Dec 9, 2026•11 Day Trip
$1,017 USD
Returning
Thu, Dec 10, 2026•12 Day Trip
$873 USD
Returning
Sat, Dec 12, 2026•14 Day Trip
$1,259 USD