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Cheap Flights from Chicago to Porto - CHI to OPO

Did You Know?

Lufthansa German Airlines has 490 connecting flights between Chicago, IL and Porto.
543,321 seats are available per week to fly from Chicago, IL to Porto.
You must make at least one connection to fly from Chicago, IL to Porto.
There are 9484 flights from Chicago, IL to Porto per week.

Cheap Domestic Flights from Chicago - CHI

Flights
Airline
Lowest Price
Delta, AirTran, JetBlue, US Airways, American, Alaska, United
$229
Alaska, United, Delta, US Airways, American
$196

Cheap International Flights from Chicago - CHI

Flights
Airline
Lowest Price
US Airways, Alitalia, Brussels, SAS, Austrian, LOT, Swiss, KLM, Turkish, Finnair, British Airways, Iberia, Lufthansa, Air France, Air Berlin, American, Delta, United, Air Canada, Air Europa, Aer Lingus
$687
Swiss, LOT, Alitalia, Air Tahiti Nui, Tap Portugal, Iberia, Turkish, Delta, Air Canada, Lufthansa, Air Berlin, American, United, Air France, British Airways, Finnair, Brussels, Austrian, SAS, KLM, US Airways, Air Europa, Aer Lingus
$750
Air France, Alitalia, Air Europa, US Airways, Turkish, Iberia, KLM, Swiss, Austrian, Lufthansa, Brussels, Finnair, British Airways, Tap Portugal, Air Canada, United, American, Delta
$686
Iberia, Air Europa, Delta, US Airways, KLM, SAS, LOT, Swiss, Aer Lingus, Austrian, Lufthansa, Air France, Air Berlin, American, United, Air Canada, British Airways, Finnair, Brussels, Alitalia, Turkish
$702
Air Canada, KLM, US Airways, Air Europa, Iberia, Delta, LOT, Swiss, Turkish, American, SAS, Austrian, Alitalia, British Airways, Finnair, United, Brussels, Air France, Air Berlin, Aer Lingus, Emirates, Lufthansa
$679
United, Air Canada, British Airways, Finnair, Alitalia, SAS, Swiss, KLM, Turkish, Delta, American, US Airways, Aer Lingus, Iberia, Lufthansa, Air France
$692
Alitalia, Brussels, SAS, Austrian, LOT, Swiss, Turkish, Finnair, British Airways, Tap Portugal, Air Canada, Delta, American, Air France, Lufthansa, Iberia, Air Europa, Aer Lingus, KLM, United, US Airways
$671
Tap Portugal, Delta, LOT, Turkish, Swiss, Iberia, US Airways, Air France, Air Berlin, American, United, Aer Lingus, Air Canada, Singapore, British Airways, Finnair, Brussels, Alitalia, Austrian, SAS, KLM, Lufthansa
$554
Iberia, Air France, American, Delta, British Airways, Air Europa, Finnair, Alitalia, KLM
$888
American, Turkish, KLM, Swiss, LOT, Austrian, SAS, Brussels, Alitalia, Finnair, British Airways, Tap Portugal, Air Canada, United, US Airways, Air Berlin, Delta, Lufthansa, Iberia, Aer Lingus, Air France
$721
Alitalia, SAS, Austrian, LOT, Swiss, KLM, Turkish, Virgin Atlantic, US Airways, Finnair, British Airways, Tap Portugal, Aer Lingus, Lufthansa, Air France, Iberia, Air Berlin, American, Delta, United, Air Canada, Brussels
$543
Lufthansa, Emirates, Air France, Air Berlin, Swiss, American, LOT, Delta, Iberia, Air Europa, US Airways, KLM, SAS, JetBlue, Austrian, United, Air Canada, British Airways, Turkish, Finnair, Brussels, Alitalia, Aer Lingus
$668
Turkish, KLM, Brussels, Alitalia, Emirates, Iberia, Lufthansa, Air France, Qatar, American, Delta, Air Canada, Egyptair, Tap Portugal, British Airways
$742
Royal Jordanian, Delta, United, American, Air France, Lufthansa, US Airways, Turkish, Singapore, British Airways, Egyptair, Alitalia, Austrian, LOT, Air Canada, KLM, Swiss
$607
Iberia, Air Europa, American, British Airways, Air France, KLM
$969
Swiss, Turkish, Jet Airways, LOT, Delta, Iberia, Air Europa, US Airways, KLM, SAS, British Airways, Austrian, Alitalia, American, Lufthansa, Air France, United, Air Canada, Finnair, Aer Lingus, Tap Portugal, Brussels
$719
KLM, Swiss, SAS, Brussels, Alitalia, Finnair, British Airways, Aer Lingus, Iberia, Lufthansa, Air France, Air Berlin, American, Delta, Air Canada, Turkish, US Airways, Air Europa, Austrian
$692
US Airways, KLM, SAS, Iberia, American, Delta, Tap Portugal, LOT, Swiss, Austrian, Alitalia, Brussels, Air Berlin, Air France, Lufthansa, Aer Lingus, United, Air Canada, British Airways, Finnair, Turkish
$550
Aer Lingus, American, Turkish, British Airways, Iberia
$690
Swiss, KLM, Turkish, US Airways, Finnair, Iberia, Air France, Lufthansa, Aer Lingus, Austrian, SAS, Air Canada, Tap Portugal, United, British Airways, Alitalia, Delta, American, Brussels, Air Berlin
$496
Austrian, US Airways, SAS, LOT, Swiss, KLM, Turkish, Alitalia, Brussels, British Airways, Iberia, Lufthansa, Air France, United, American, Delta, Air Canada, Tap Portugal, Egyptair
$728
Lufthansa, Asiana, Air Berlin, All Nippon, American, United, Air Canada, Air China, Air India, Air France, Thai, Gulf Air, Qatar, Virgin Atlantic, Jet Airways, JAL, Emirates, Singapore, Etihad, Finnair, Royal Jordanian, Malaysia, Turkish, China Eastern, Cathay, US Airways, British Airways, Swiss, Brussels, Austrian, KLM, Delta
$731
Air France, Finnair, Lufthansa, Air Europa, US Airways, Turkish, KLM, Austrian, Brussels, Iberia, British Airways, Air Canada, United, Delta, American, Air Berlin, Alitalia
$690
Tap Portugal, Air Canada, Delta, American, Air Berlin, Air France, Lufthansa, Iberia, British Airways, Finnair, LOT, US Airways, Turkish, KLM, Swiss, Austrian, SAS, Alitalia, Aer Lingus, United
$538
US Airways, Turkish, KLM, Swiss, LOT, Alitalia, Austrian, Brussels, Tap Portugal, British Airways, Finnair, SAS, Air France, Air Berlin, Delta, Lufthansa, Iberia, Air Canada, United, American
$613

Cheap International Flights to Porto - OPO

Flights
Airline
Lowest Price
Lufthansa, United, Air Canada, British Airways, Alitalia, KLM, Iberia, American, US Airways
$996
Alitalia, British Airways, Air Canada, United, American, US Airways, Iberia, KLM, Lufthansa
$1059
US Airways, KLM, Austrian, Iberia, Lufthansa, American, Air France, Delta, United, British Airways, Alitalia, Air Canada
$993
Cheap Flights from Chicago to Porto, from $1006 Round trip from CHI to OPO