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
Thu
Fri
Sat
Sun
Limited Availability
19% of dates checked are available within 10% of the lowest price
Monday, January 25th, 2027
7 round-trip options
Returning
Sat, Jan 30, 2027•5 Day Trip
$1,109 USD
Returning
Mon, Feb 1, 2027•7 Day Trip
$819 USD
Returning
Tue, Feb 2, 2027•8 Day Trip
$760 USD
Returning
Thu, Feb 4, 2027•10 Day Trip
$739 USD
Returning
Fri, Feb 5, 2027•11 Day Trip
$739 USD
Returning
Sun, Feb 7, 2027•13 Day Trip
$891 USD
Returning
Mon, Feb 8, 2027•14 Day Trip
$789 USD