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 agoJanuary 2027
Mon
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Limited Availability
19% of dates checked are available within 10% of the lowest price
Saturday, January 30th, 2027
7 round-trip options
Returning
Thu, Feb 4, 2027•5 Day Trip
$1,091 USD
Returning
Sat, Feb 6, 2027•7 Day Trip
$1,088 USD
Returning
Sun, Feb 7, 2027•8 Day Trip
$1,025 USD
Returning
Tue, Feb 9, 2027•10 Day Trip
$894 USD
Returning
Wed, Feb 10, 2027•11 Day Trip
$873 USD
Returning
Fri, Feb 12, 2027•13 Day Trip
$873 USD
Returning
Sat, Feb 13, 2027•14 Day Trip
$1,088 USD