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Cheap flights from Chicago (CHI) to Sofia (SOF)

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How to find the cheapest flight from Chicago (CHI) to Sofia (SOF)

How to find the cheapest flight from Chicago (CHI) to Sofia (SOF)
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How to find the cheapest flight from Chicago (CHI) to Sofia (SOF)
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How to find the cheapest flight from Chicago (CHI) to Sofia (SOF)
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Cheap flights from Chicago to Sofia in June , July 2026

29 Jun - 09 Jul $ 1,270.00
CHI
Chicago
United Airlines
1 STOPS
SOF
Sofia
SOF
Sofia
United Airlines
1 STOPS
CHI
Chicago
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29 Jun - 09 Jul $ 1,279.00
CHI
Chicago
United Airlines
1 STOPS
SOF
Sofia
SOF
Sofia
United Airlines
1 STOPS
CHI
Chicago
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28 Jun - 21 Jul $ 1,282.00
CHI
Chicago
Austrian Airlines
1 STOPS
SOF
Sofia
SOF
Sofia
Austrian Airlines
1 STOPS
CHI
Chicago
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Last minute flights from Chicago to Sofia

29 Jun - 01 Jul $ 1,661.00
CHI
Chicago
Air Serbia
1 STOPS
SOF
Sofia
SOF
Sofia
Air Serbia
1 STOPS
CHI
Chicago
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28 Jun - 30 Jun $ 1,784.00
CHI
Chicago
ITA Airways
1 STOPS
SOF
Sofia
SOF
Sofia
ITA Airways
1 STOPS
CHI
Chicago
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29 Jun - 30 Jun $ 2,002.00
CHI
Chicago
LOT Polish Airlines
1 STOPS
SOF
Sofia
SOF
Sofia
LOT Polish Airlines
1 STOPS
CHI
Chicago
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One-way flights to Sofia from Chicago

10:30 PM - 8:40 PM
Wizz Air
2 Stops
17h 5m
CHI - SOF
$ 808
Kiwi
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9:40 PM - 3:45 PM
Lufthansa
1 Stops
13h
CHI - SOF
$ 916
Kiwi
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4:20 PM - 9:10 AM
United Airlines
1 Stops
11h 20m
CHI - SOF
$ 939
Kiwi
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How to find the cheapest flight from Chicago (CHI) to Sofia (SOF)

Related info for your journey
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How to find the cheapest flight from Chicago (CHI) to Sofia (SOF)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Chicago (CHI) to Sofia (SOF)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.