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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 March , April 2026

17 Mar - 16 Apr $ 592.00
CHI
Chicago
LOT Polish Airlines
1 STOPS
SOF
Sofia
SOF
Sofia
LOT Polish Airlines
1 STOPS
CHI
Chicago
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14 Mar - 08 Apr $ 703.00
CHI
Chicago
Air Serbia
1 STOPS
SOF
Sofia
SOF
Sofia
Air Serbia
1 STOPS
CHI
Chicago
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11 Mar - 04 Apr $ 1,409.00
CHI
Chicago
Air Serbia
1 STOPS
SOF
Sofia
SOF
Sofia
Air Serbia
1 STOPS
CHI
Chicago
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Last minute flights from Chicago to Sofia

14 Mar - 01 Apr $ 703.00
CHI
Chicago
Air Serbia
1 STOPS
SOF
Sofia
SOF
Sofia
Air Serbia
1 STOPS
CHI
Chicago
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14 Mar - 31 Mar $ 804.00
CHI
Chicago
LOT Polish Airlines
1 STOPS
SOF
Sofia
SOF
Sofia
LOT Polish Airlines
1 STOPS
CHI
Chicago
Pick dates
11 Mar - 31 Mar $ 1,696.00
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

12:05 PM - 2:25 PM
easyJet
2 Stops
24h 30m
CHI - SOF
$ 295
Kiwi
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5:30 PM - 12:50 AM
Air Serbia
1 Stops
26h 35m
CHI - SOF
$ 437
Kiwi
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12:50 PM - 2:50 PM
Turkish Airlines
1 Stops
19h 20m
CHI - SOF
$ 496
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.