Cheapest return flights from Chicago to Sofia in March from $541

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

Return flights

25 Mar - 08 Apr Turkish Airlines
20 Mar - 17 Apr Air Canada
22 Mar - 05 Apr Lufthansa
20 Mar - 29 Mar British Airways

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

Powered by

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.

Book a cheap hotel in Sofia

Cheap car rent in Sofia

Feel free to contact us with any feedback or request another flight research.