Are these the guaranteed airline ticket prices?

No. AirHint displays the lowest fares we found in a recent search. Airlines change prices often; confirm the total on the booking site before you pay.

How current are these prices?

Results refresh when you open or revisit this page. Last snapshot: Jun 7, 2026.

Where do I complete my booking?

Use the price buttons to continue on our booking partner's site. AirHint surfaces fares; ticketing is completed with the airline or agency.

Cheapest return flights from Chicago (ORD) to Sofia (SOF), September

Select a price to book. see full year.

Dates, airline, and price
Dates	Airline	Price
15 Sep 25 Sep	Porter Airlines (Canada) Ltd
01 Sep 30 Sep	Icelandair
08 Sep 22 Sep	Turkish Airlines
05 Sep 19 Sep	Icelandair
14 Sep 25 Sep	Turkish Airlines
05 Sep 20 Sep	Air Serbia

deals for one-way flights from Chicago to Sofia in September.

Book a cheap hotel in Sofia

Cheap car rent in Sofia

Updated Jun 7, 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.

Find your flight now

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

Cheapest return flights from Chicago (ORD) to Sofia (SOF), September

About these fares

Sign In

User Name