Washington (IAD) to Porto (OPO) flight deal in economy from $739

Iberia AirlinesIBIberia Airlines
Round Trip•Economy
United StatesIAD

Washington Dulles International Airport

Washington, United States
PortugalOPO

Francisco Sá Carneiro Airport

Porto, Portugal
$1,088 USD
-32%$739 USD
Verified 13 days ago
Limited Availability
19% of dates checked are available within 10% of the lowest price

Tuesday, November 17th, 2026

8 round-trip options

Returning
Sun, Nov 22, 2026•5 Day Trip
$1,033 USD
Google Flights
Returning
Mon, Nov 23, 2026•6 Day Trip
$792 USD
Google Flights
Returning
Tue, Nov 24, 2026•7 Day Trip
$844 USD
Google Flights
Returning
Wed, Nov 25, 2026•8 Day Trip
$742 USD
Google Flights
Returning
Fri, Nov 27, 2026•10 Day Trip
$886 USD
Google Flights
Returning
Sat, Nov 28, 2026•11 Day Trip
$1,197 USD
Google Flights
Returning
Sun, Nov 29, 2026•12 Day Trip
$939 USD
Google Flights
Returning
Tue, Dec 1, 2026•14 Day Trip
$793 USD
Google Flights