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
Sunday, January 10th, 2027
7 round-trip options
Returning
Fri, Jan 15, 2027•5 Day Trip
$1,340 USD
Returning
Sun, Jan 17, 2027•7 Day Trip
$987 USD
Returning
Mon, Jan 18, 2027•8 Day Trip
$903 USD
Returning
Wed, Jan 20, 2027•10 Day Trip
$772 USD
Returning
Thu, Jan 21, 2027•11 Day Trip
$772 USD
Returning
Sat, Jan 23, 2027•13 Day Trip
$987 USD
Returning
Sun, Jan 24, 2027•14 Day Trip
$1,063 USD