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
Tue
Wed
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Sun
Limited Availability
19% of dates checked are available within 10% of the lowest price
Wednesday, January 20th, 2027
7 round-trip options
Returning
Mon, Jan 25, 2027•5 Day Trip
$870 USD
Returning
Wed, Jan 27, 2027•7 Day Trip
$739 USD
Returning
Thu, Jan 28, 2027•8 Day Trip
$739 USD
Returning
Sat, Jan 30, 2027•10 Day Trip
$1,030 USD
Returning
Sun, Jan 31, 2027•11 Day Trip
$994 USD
Returning
Tue, Feb 2, 2027•13 Day Trip
$760 USD
Returning
Wed, Feb 3, 2027•14 Day Trip
$739 USD