Direct flights from Porto to Dulles

Did you mean Flights from Dulles to Porto?

Porto

Portugal

OPO

Francisco de Sa Carneiro Airport

Dulles

United States

IAD

Washington Dulles International Airport

Route: Nonstop service available
Distance: 3,540 miles
Marketing airlines: 1 airline
Aircraft: 1 aircraft type
Dates: Apr 17 – May 4, 2027

Observed award fares

A sample of one-way prices for one traveler from Roame’s fare cache. Points, fees, and seats describe the same observation. Availability can change; confirm with the loyalty program before transferring points.

Departure window: 2026-10-23 – 2026-11-21.

No recent fares appear in this limited preview. This does not mean the route is sold out. Use the search controls to check other dates and routes.

Porto to Dulles route overview

Francisco de Sa Carneiro Airport (OPO) serves Porto; Washington Dulles International Airport (IAD) serves Dulles.

The airports are 3,540 miles apart by great-circle distance.

Roame's current schedule feed shows nonstop service from OPO to IAD.

Marketing airlines listed in the current schedule, including codeshare sellers, are TAP Portugal (TP). This list does not identify the operating airline for each flight; check the flight details before booking.

Published schedule dates span Apr 17 – May 4, 2027.

Marketing airlines on the Porto to Dulles route

These are marketing airlines, including codeshare sellers. This list does not identify the operating airline for each flight; check the flight details before booking.

Airline alliance affiliations represented: Star Alliance

Aircraft flying from OPO to IAD

Frequently asked questions

Which airports serve the Porto to Dulles route?

Francisco de Sa Carneiro Airport (OPO) is the origin airport and Washington Dulles International Airport (IAD) is the destination airport.

How far is Dulles from Porto?

OPO and IAD are approximately 3,540 miles apart by great-circle distance.

Are there direct flights from OPO to IAD?

Yes. Roame's current schedule feed shows nonstop service from OPO to IAD.

Which airlines market flights from OPO to IAD?

Which aircraft fly from OPO to IAD?

Aircraft listed in the current schedule include Airbus A321neo (32Q).