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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
$99
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
$140
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
$838
Royal Jordanian, Delta, United, American, Air France, Lufthansa, US Airways, Turkish, Singapore, British Airways, Egyptair, Alitalia, Austrian, LOT, Air Canada, KLM, Swiss
$740
Swiss, Turkish, Austrian, Lufthansa, United
$830
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
$724
Austrian, LOT, Air Canada, United, Air Berlin, Air France, Lufthansa, Tap Portugal, Swiss, KLM, Turkish, US Airways, Alitalia
$693
Austrian, US Airways, SAS, LOT, Swiss, KLM, Turkish, Alitalia, Brussels, British Airways, Iberia, Lufthansa, Air France, United, American, Delta, Air Canada, Tap Portugal, Egyptair
$772
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
$792
Tap Portugal, Austrian, Swiss, Turkish, Lufthansa
$643
American, United, Air France, Delta, Air Canada, Tap Portugal, British Airways, Finnair, Brussels, Alitalia, US Airways, KLM, SAS, Austrian, Lufthansa, Iberia, LOT, Turkish, Swiss
$644
Lufthansa, Air Berlin, Turkish, Alitalia, US Airways, Tap Portugal, British Airways, Austrian
$749
Austrian, KLM, Alitalia, United, British Airways, Delta, Air France, Lufthansa, Turkish
$811
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
$772
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
$712
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
$758
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
$698
Turkish, Tap Portugal, Austrian, United, Lufthansa
$902
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
$664
LOT, Austrian, Brussels, Finnair, Air Canada, United, American, Air Berlin, Lufthansa
$688
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
$769
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
$714
Alitalia, Austrian, KLM, Turkish
$700
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
$716
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
$743
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
$1133
American, Iberia, Lufthansa, Air France, Air Berlin, United, Air Canada, KLM, Alitalia, British Airways
$1194
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Cheap Flights from Chicago to Sofia, Bulgaria, from $651 Round trip from CHI to SOF