Porto to Chicago Flights
Flights from Porto (OPO) to Chicago (CHI) connect Portugal and United States. The great-circle distance is approximately 6,332 km, and a typical direct flight takes about 9 hours. Airports commonly used for this city pair include OPO and CHI, ORD, MDW. The reverse route is Chicago to Porto. Use the search tool below to compare live prices and schedules — do not treat any static text on this page as a live fare.
Route facts
- Origin
- Porto, Portugal
- Destination
- Chicago, United States
- Distance
- 6,332 km
- Typical duration
- about 9 hours
- Origin codes
- OPO
- Destination codes
- CHI, ORD, MDW
- Primary keyword
- flights from Porto to Chicago
Search flights
Compare live prices and schedules for this route.
Route overview
Porto to Chicago is a city-pair air route between Portugal and United States. Travelers use this corridor for leisure, business, and connecting itineraries.
Primary search codes are OPO and CHI. Related codes: OPO → CHI, ORD, MDW.
Distance
Approximate flight distance: 6,332 km (great-circle). Actual flown distance can be longer depending on airway routing.
Duration
Typical block time for a direct flight is about 9 hours. Connecting itineraries take longer and depend on layover airports.
Airports
Porto airports and metro codes: OPO.
Chicago airports and metro codes: CHI, ORD, MDW.
Alternative routes
Related searches include the reverse route Chicago to Porto, other destinations from Porto, and other origins into Chicago.
Frequently asked questions
How long is the flight from Porto to Chicago?
Direct flights from Porto to Chicago typically take about 9 hours, depending on aircraft type, routing, and wind conditions. Connecting itineraries take longer.
What is the distance from Porto to Chicago?
The great-circle distance between Porto and Chicago is approximately 6,332 km. Flown distance can be longer depending on airways.
Which airports serve flights from Porto to Chicago?
Porto is commonly searched with code OPO (related: OPO). Chicago is commonly searched with code CHI (related: CHI, ORD, MDW).
Are there direct flights from Porto to Chicago?
Direct service availability varies by season and airline. Compare live schedules on Cheap Flights Worldwide for current nonstop and connecting options on this route.
What is the reverse flight route from Chicago to Porto?
The reverse city pair is Chicago to Porto. Distance is the same great-circle measure (6,332 km); block time can differ with winds and schedules.
Which countries does the Porto to Chicago route connect?
This route connects Portugal (Porto) with United States (Chicago).