Cheapest return flights from Chicago to Sofia in February from $484

AirHint found the following cheapest return flights from Chicago (ORD) to Sofia (SOF) in February 2026 (see full year).

Return flights

04 Feb - 11 Feb Spirit Airlines
10 Feb - 24 Feb Turkish Airlines
13 Feb - 27 Feb Turkish Airlines
19 Feb - 11 Mar Turkish Airlines

Also check the deals for one-way flights from Chicago to Sofia in February.

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