Cheap flights from Chicago to Sofia
The lowest fare found is €315. The cheapest month to fly is October.
Search live pricesSearch round-trip pricesLowest price by month
| October | €315 |
When is the cheapest time to fly from Chicago to Sofia?
Fares are typically lowest in October, starting from €315.
Popular routes
- Chicago → Zagreb
- Chicago → Belgrade
- Chicago → Riga
- Chicago → Tallinn
- Chicago → Vilnius
- Chicago → Reykjavik
- Chicago → Naples
- Chicago → Venice
- Chicago → Bologna
- Chicago → Catania
- Chicago → Pisa
- Chicago → Bergamo
Prices updated 2026-09-08