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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.
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
$148
AirTran, American, US Airways, Delta, United, Alaska, Sun Country, Virgin America, Frontier, Spirit
$258
US Airways, Delta, American, Sun Country, Spirit, Frontier, Virgin America, AirTran, United, Alaska
$128
United, Delta, US Airways, American, Spirit, JetBlue, AirTran, Alaska
$104

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
$680
Royal Jordanian, Delta, United, American, Air France, Lufthansa, US Airways, Turkish, Singapore, British Airways, Egyptair, Alitalia, Austrian, LOT, Air Canada, KLM, Swiss
$549
Swiss, Turkish, Austrian, Lufthansa, United
$688
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
$617
Austrian, LOT, Air Canada, United, Air Berlin, Air France, Lufthansa, Tap Portugal, Swiss, KLM, Turkish, US Airways, Alitalia
$631
Austrian, US Airways, SAS, LOT, Swiss, KLM, Turkish, Alitalia, Brussels, British Airways, Iberia, Lufthansa, Air France, United, American, Delta, Air Canada, Tap Portugal, Egyptair
$657
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
$637
Tap Portugal, Austrian, Swiss, Turkish, Lufthansa
$631
American, United, Air France, Delta, Air Canada, Tap Portugal, British Airways, Finnair, Brussels, Alitalia, US Airways, KLM, SAS, Austrian, Lufthansa, Iberia, LOT, Turkish, Swiss
$632
Lufthansa, Air Berlin, Turkish, Alitalia, US Airways, Tap Portugal, British Airways, Austrian
$685
Austrian, KLM, Alitalia, United, British Airways, Delta, Air France, Lufthansa, Turkish
$661
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
$689
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
$617
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
$673
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
$606
Turkish, Tap Portugal, Austrian, United, Lufthansa
$686
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
$640
LOT, Austrian, Brussels, Finnair, Air Canada, United, American, Air Berlin, Lufthansa
$663
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
$608
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
$605
Alitalia, Austrian, KLM, Turkish
$592
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
$664
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
$647
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
$715

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
$1100
American, Iberia, Lufthansa, Air France, Air Berlin, United, Air Canada, KLM, Alitalia, British Airways
$1101
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Cheap Flights from Chicago to Sofia, Bulgaria, from $642 Round trip from CHI to SOF