Cheapest return flights from Chicago to Sofia in July from 973€

Best time to book flights for Chicago (MDW) to Sofia (SOF) flights at AirHint

AirHint found the following cheapest return flights from Chicago (MDW) to Sofia (SOF) in July 2025 (see full year).

Return flights

24 Jul - 23 Aug KLM
22 Jul - 22 Aug KLM
09 Jul - 07 Aug KLM
04 Jul - 11 Aug Air France
04 Jul - 17 Aug KLM
04 Jul - 08 Aug KLM

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

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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