Cheap flights from Illinois to Sofia

Travel > Europe > Bulgaria > Illinois to Sofia flights

One interesting thing about Serdica during the late Roman occupation is the fact that Christianity was more easily accepted here, leading to Serdica hosting an Ecumenical Council in 343 AD. When the Western Roman Empire lost its power, Serdica became a part of the Byzantium, and reached its peak under the reign of Justinian I. In the 6th century, the cathedral St. Sofia was erected.... (read more in our Sofia History)

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Chicago 

Check our newest flight offers to Sofia:

  • $613Thy Turkish Airlines flight Thy Turkish Airlines 
    FromToDepartureTime
    Chicago, IL (ORD)Sofia, BG (SOF)02/15/201709:20 pm
    Sofia, BG (SOF)Chicago, IL (ORD)02/21/201710:05 am
    faredepot.com check price
  • $624Multiple Airlines flight Multiple Airlines 
    FromToDepartureTime
    Chicago, IL (ORD)Sofia, BG (SOF)02/15/201706:30 pm
    Sofia, BG (SOF)Chicago, IL (ORD)02/21/201707:40 am
    flighthub.com check price
  • $630Thy Turkish Airlines flight Thy Turkish Airlines 
    FromToDepartureTime
    Chicago, IL (ORD)Sofia, BG (SOF)02/15/201709:20 pm
    Sofia, BG (SOF)Chicago, IL (ORD)02/21/201710:05 am
    flighthub.com check price
  • $633Thy Turkish Airlines flight Thy Turkish Airlines 
    FromToDepartureTime
    Chicago, IL (ORD)Sofia, BG (SOF)02/15/201709:20 pm
    Sofia, BG (SOF)Chicago, IL (ORD)02/21/201710:05 am
    cheapoair.com check price
  • $658Multiple Airlines flight Multiple Airlines 
    FromToDepartureTime
    Chicago, IL (ORD)Sofia, BG (SOF)02/15/201702:15 pm
    Sofia, BG (SOF)Chicago, IL (ORD)02/21/201707:00 am
    faredepot.com check price
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