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Cheap Flights from Chicago to Sofia, Bulgaria - CHI to SOF

Did You Know?

United Airlines has 424 connecting flights between Chicago, IL and Sofia.
You must make at least one connection to fly from Chicago, IL to Sofia.

Cheap Domestic Flights from Chicago - CHI

Flights
Airline
Lowest Price
American, JetBlue, AirTran, Alaska, Spirit, United, US Airways
$120
AirTran, American, US Airways, Delta, United, Alaska, Sun Country, Virgin America, Frontier, Spirit
$204
US Airways, Delta, American, Sun Country, Spirit, Frontier, Virgin America, AirTran, United, Alaska
$134
United, Delta, US Airways, American, Spirit, JetBlue, AirTran, Alaska
$149

Cheap International Flights from Chicago - CHI

Flights
Airline
Lowest Price
LOT, Brussels, Alitalia, Austrian, SAS, KLM, US Airways, Air Europa, Iberia, Tap Portugal, Virgin Atlantic, Turkish, Swiss, Delta, United, British Airways, Air Canada, American, Air Berlin, Air France, Lufthansa, Aer Lingus, Finnair
$826
Royal Jordanian, Delta, United, American, Air France, Lufthansa, US Airways, Turkish, Singapore, British Airways, Egyptair, Alitalia, Austrian, LOT, Air Canada, KLM, Swiss
$787
Swiss, Turkish, Austrian, Lufthansa, United
$825
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
$717
Austrian, LOT, Air Canada, United, Air Berlin, Air France, Lufthansa, Tap Portugal, Swiss, KLM, Turkish, US Airways, Alitalia
$688
Austrian, US Airways, SAS, LOT, Swiss, KLM, Turkish, Alitalia, Brussels, British Airways, Iberia, Lufthansa, Air France, United, American, Delta, Air Canada, Tap Portugal, Egyptair
$765
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
$785
Tap Portugal, Austrian, Swiss, Turkish, Lufthansa
$638
American, United, Air France, Delta, Air Canada, Tap Portugal, British Airways, Finnair, Brussels, Alitalia, US Airways, KLM, SAS, Austrian, Lufthansa, Iberia, LOT, Turkish, Swiss
$639
Lufthansa, Air Berlin, Turkish, Alitalia, US Airways, Tap Portugal, British Airways, Austrian
$744
Austrian, KLM, Alitalia, United, British Airways, Delta, Air France, Lufthansa, Turkish
$805
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
$764
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
$706
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
$750
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
$693
Turkish, Tap Portugal, Austrian, United, Lufthansa
$896
SAS, Austrian, LOT, KLM, Turkish, US Airways, Swiss, Air France, Brussels, Finnair, British Airways, Iberia, Lufthansa, Air Berlin, American, Alitalia, United, Delta, Air Canada, Tap Portugal
$658
LOT, Austrian, Brussels, Finnair, Air Canada, United, American, Air Berlin, Lufthansa
$676
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
$764
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
$707
Alitalia, Austrian, KLM, Turkish
$695
SAS, Austrian, LOT, Swiss, KLM, Iberia, Turkish, US Airways, Aer Lingus, Brussels, Alitalia, Finnair, Lufthansa, Air France, Air Berlin, American, Delta, Air Canada, United, Tap Portugal, British Airways
$742
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
$735
Lufthansa, Air France, Air Berlin, American, United, Air Canada, KLM, Brussels, LOT, Royal Jordanian, Delta, Iberia, US Airways, Austrian, SAS, Swiss, El Al, Turkish, British Airways, Finnair, Alitalia
$760

Cheap International Flights to Sofia - SOF

Flights
Airline
Lowest Price
Air Canada, KLM, American, Alitalia, Austrian, British Airways, Air Berlin, Air France, Lufthansa, Iberia, United
$1188
American, Iberia, Lufthansa, Air France, Air Berlin, United, Air Canada, KLM, Alitalia, British Airways
$1003
Cheap Flights from Chicago to Sofia, Bulgaria, from $646 Round trip from CHI to SOF