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Cheapest one-way flights from Chicago (ORD) to Sofia (SOF), September

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Dates, airline, and price
Dates	Airline	Price
14 Sep	Icelandair
12 Sep	Icelandair
11 Sep	Icelandair
17 Sep	jetBlue

deals for return flights from Chicago to Sofia in September.

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Updated Jul 17, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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Cheapest one-way flights from Chicago (ORD) to Sofia (SOF), September

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