Find a great deal and save up to 7% by booking at least 51 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Chicago Midway Airport to Sofia within the next two weeks, with the cheapest ticket starting at $736.
Our data shows that October tends to be the cheapest month to fly to Sofia from Chicago Midway Airport. Users have commonly found prices around $739 for the month, but tickets can be as low as $620. Due to multiple factors, prepare for potentially higher prices in June.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Chicago Midway Airport to Sofia as you normally would.