Flights from Chicago to Bulgaria starting at USD472*
Trending one way fares for flights from Chicago to Bulgaria
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Chicago (ORD)to
Sofia (SOF)Depart: 08/20/2025
From
USD472*
Seen: 7 hrs ago
One-way
/
Economy
Chicago (ORD)to
Sofia (SOF)Depart: 08/18/2025
From
USD472*
Seen: 7 hrs ago
One-way
/
Economy
*Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking.
Best round trip offers from Chicago to Bulgaria
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*Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking.