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

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0 Children (2~11)
0 Infants (0~2)
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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 August , September 2026

26 Aug - 26 Sep $ 933.00
CHI
Chicago
Air Serbia
1 STOPS
SOF
Sofia
SOF
Sofia
Air Serbia
1 STOPS
CHI
Chicago
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26 Aug - 09 Sep $ 933.00
CHI
Chicago
Air Serbia
1 STOPS
SOF
Sofia
SOF
Sofia
Air Serbia
1 STOPS
CHI
Chicago
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26 Aug - 06 Sep $ 1,344.00
CHI
Chicago
LOT Polish Airlines
1 STOPS
SOF
Sofia
SOF
Sofia
LOT Polish Airlines
1 STOPS
CHI
Chicago
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Last minute flights from Chicago to Sofia

25 Aug - 31 Aug $ 1,054.00
CHI
Chicago
United Airlines
1 STOPS
SOF
Sofia
SOF
Sofia
United Airlines
1 STOPS
CHI
Chicago
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26 Aug - 31 Aug $ 1,392.00
CHI
Chicago
Air Serbia
1 STOPS
SOF
Sofia
SOF
Sofia
Air Serbia
1 STOPS
CHI
Chicago
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25 Aug - 31 Aug $ 2,064.00
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

4:40 PM - 1:15 PM
JetBlue Airways
1 Stops
14h 50m
CHI - SOF
$ 522
Kiwi
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4:40 PM - 1:15 PM
JetBlue Airways
1 Stops
14h 50m
CHI - SOF
$ 532
Kiwi
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4:20 PM - 9:10 AM
Austrian Airlines
1 Stops
11h 20m
CHI - SOF
$ 651
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.