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
Sunday, November 22nd, 2026
8 round-trip options
Returning
Fri, Nov 27, 2026•5 Day Trip
$1,182 USD
Returning
Sat, Nov 28, 2026•6 Day Trip
$1,426 USD
Returning
Sun, Nov 29, 2026•7 Day Trip
$1,080 USD
Returning
Mon, Nov 30, 2026•8 Day Trip
$973 USD
Returning
Wed, Dec 2, 2026•10 Day Trip
$913 USD
Returning
Thu, Dec 3, 2026•11 Day Trip
$883 USD
Returning
Fri, Dec 4, 2026•12 Day Trip
$1,027 USD
Returning
Sun, Dec 6, 2026•14 Day Trip
$1,163 USD