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Cheap Flights from Chicago to Sofia, Bulgaria - CHI to SOF (reverse)

Did You Know?

United Airlines has 424 connecting flights between Chicago, IL and Sofia.
There are 11086 flights from Chicago, IL to Sofia per week.
692,024 seats are available per week to fly from Chicago, IL to 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
$195
AirTran, American, US Airways, Delta, United, Alaska, Sun Country, Virgin America, Frontier, Spirit
$264
US Airways, Delta, American, Sun Country, Spirit, Frontier, Virgin America, AirTran, United, Alaska
$264
United, Delta, US Airways, American, Spirit, JetBlue, AirTran, Alaska
$195

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
$859
Royal Jordanian, Delta, United, American, Air France, Lufthansa, US Airways, Turkish, Singapore, British Airways, Egyptair, Alitalia, Austrian, LOT, Air Canada, KLM, Swiss
$699
Swiss, Turkish, Austrian, Lufthansa, United
$846
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
Austrian, LOT, Air Canada, United, Air Berlin, Air France, Lufthansa, Tap Portugal, Swiss, KLM, Turkish, US Airways, Alitalia
$710
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
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
Tap Portugal, Austrian, Swiss, Turkish, Lufthansa
$660
American, United, Air France, Delta, Air Canada, Tap Portugal, British Airways, Finnair, Brussels, Alitalia, US Airways, KLM, SAS, Austrian, Lufthansa, Iberia, LOT, Turkish, Swiss
$661
Lufthansa, Air Berlin, Turkish, Alitalia, US Airways, Tap Portugal, British Airways, Austrian
$767
Austrian, KLM, Alitalia, United, British Airways, Delta, Air France, Lufthansa, Turkish
$831
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
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
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
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
$747
Turkish, Tap Portugal, Austrian, United, Lufthansa
$920
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
$682
LOT, Austrian, Brussels, Finnair, Air Canada, United, American, Air Berlin, Lufthansa
$743
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
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
Alitalia, Austrian, KLM, Turkish
$774
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
$701
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
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
$794

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
$1098
American, Iberia, Lufthansa, Air France, Air Berlin, United, Air Canada, KLM, Alitalia, British Airways
$1098
Cheap Flights from Chicago to Sofia, Bulgaria, from $669 Round trip from CHI to SOF