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Cheap Flights from Chicago to Porto - CHI to OPO (reverse)

Did You Know?

The largest aircraft operated by US Airways flying between Chicago, IL and Porto, PT is a 777 with 253 seats.
Frankfurt, DE is the most popular connection for one stop flights between Chicago, IL and Porto, PT.
The shortest flight between Chicago, IL and Porto, PT on TAP is 4,240 miles.
Lufthansa has the most one stop flights between Chicago, IL and Porto, PT.
The smallest aircraft operated by Lufthansa flying between Chicago, IL and Porto, PT is a 767 with 183 seats.
177,579 seats are available per day to fly out of Chicago, IL connecting to Porto, PT
188 flights per week fly out of Chicago, IL connecting to Porto, PT
American has 2 one stop flights between Chicago, IL and Porto, PT.

Cheap International Flights from Chicago - CHI

Flights
Airline
Lowest Price
Air France, Alitalia, Air Europa, US Airways, Turkish, Iberia, KLM, SWISS, Austrian, Lufthansa, Brussels, Finnair, British Airways, TAP, Air Canada, United, American, Delta
$894
Brussels, TAP, Aer Lingus, KLM, Air Berlin, US Airways, Lufthansa, SWISS, British Airways, United
$925
US Airways, KLM, SWISS, Austrian, TAP, United, Air Berlin, Lufthansa, Iberia
$1117
TAP
$1407
Cheap Flights from Chicago to Porto, from $1010 Round trip from CHI to OPO