Cheapest return flights from Chicago to Sofia in April from 522€

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

Return flights

14 Apr - 28 Apr Turkish Airlines
20 Apr - 12 May Turkish Airlines
16 Apr - 08 May Turkish Airlines
06 Apr - 14 May Turkish Airlines
28 Apr - 20 May Turkish Airlines
24 Apr - 08 May Turkish Airlines
17 Apr - 08 May Turkish Airlines
20 Apr - 11 May Turkish Airlines
08 Apr - 27 Apr Icelandair
17 Apr - 11 May Icelandair
17 Apr - 09 May Icelandair
04 Apr - 20 Apr Turkish Airlines
18 Apr - 10 May Icelandair

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

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