Chicago to Sofia $592 Round-Trip for Fall Travel

Fly from Chicago to Sofia for $592 round-trip on United/Lufthansa.

Seen below, we found seats departing ORD on Friday, October 9, returning from SOF on Tuesday, October 20.

Flights connect via Munich MUC.

Other dates are also available for travel from October through December.

For booking info, see our Fare Details.