
Keep the following information in mind while searching for O'Hare Intl to Bulgaria flight deals. Data was last updated November 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $692 (Expedia) |
One-way from | $335 (Kiwi.com) |
Popular in | July |
Cheapest in | February |
Average price | $770 |
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ChicagoSofia
ORD Chicago O'Hare Intl - SOF