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

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
$226
Alaska, United, Delta, US Airways, American
$187

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
$866
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
$815
Air France, Alitalia, Air Europa, US Airways, Turkish, Iberia, KLM, Swiss, Austrian, Lufthansa, Brussels, Finnair, British Airways, Tap Portugal, Air Canada, United, American, Delta
$894
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
$767
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
$743
United, Air Canada, British Airways, Finnair, Alitalia, SAS, Swiss, KLM, Turkish, Delta, American, US Airways, Aer Lingus, Iberia, Lufthansa, Air France
$759
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
$951
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
$800
Iberia, Air France, American, Delta, British Airways, Air Europa, Finnair, Alitalia, KLM
$890
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
$785
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
$784
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
$732
Turkish, KLM, Brussels, Alitalia, Emirates, Iberia, Lufthansa, Air France, Qatar, American, Delta, Air Canada, Egyptair, Tap Portugal, British Airways
$866
Royal Jordanian, Delta, United, American, Air France, Lufthansa, US Airways, Turkish, Singapore, British Airways, Egyptair, Alitalia, Austrian, LOT, Air Canada, KLM, Swiss
$699
Iberia, Air Europa, American, British Airways, Air France, KLM
$1138
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
$783
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
$878
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
$769
Aer Lingus, American, Turkish, British Airways, Iberia
$1028
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
$738
Austrian, US Airways, SAS, LOT, Swiss, KLM, Turkish, Alitalia, Brussels, British Airways, Iberia, Lufthansa, Air France, United, American, Delta, Air Canada, Tap Portugal, Egyptair
$793
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
$774
Air France, Finnair, Lufthansa, Air Europa, US Airways, Turkish, KLM, Austrian, Brussels, Iberia, British Airways, Air Canada, United, Delta, American, Air Berlin, Alitalia
$893
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
$739
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
$677

Cheap International Flights to Porto - OPO

Flights
Airline
Lowest Price
Lufthansa, United, Air Canada, British Airways, Alitalia, KLM, Iberia, American, US Airways
$1019
Alitalia, British Airways, Air Canada, United, American, US Airways, Iberia, KLM, Lufthansa
$1064
US Airways, KLM, Austrian, Iberia, Lufthansa, American, Air France, Delta, United, British Airways, Alitalia, Air Canada
$994
Cheap Flights from Chicago to Porto, from $1008 Round trip from CHI to OPO