Find Cheap Flights from Chicago to Sofia (CHI - SOF)

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
The price shown for each flight will be the average for all passengers including any infants.
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Book cheap flights from Chicago to Sofia

(Round-trip)
Depart: Mon Jan 15 2018 Return: Mon Feb 26 2018 Trip spans 43 days
Turkish Airlines
Turkish Airlines
ORD
SOF
27h 30m
1 stop
SOF
ORD
16h 10m
1 stop
Depart: Tue Apr 17 2018 Return: Sat May 19 2018 Trip spans 33 days
SWISS
SWISS
ORD
SOF
30h 30m
1 stop
SOF
ORD
31h 50m
1 stop
Depart: Mon Mar 5 2018 Return: Sat Apr 28 2018 Trip spans 54 days
Multiple Airlines
Multiple Airlines
ORD
SOF
19h 20m
2 stops
SOF
ORD
31h 50m
1 stop
Depart: Mon Dec 11 2017 Return: Wed Jan 17 2018 Trip spans 38 days
Austrian Airlines
Austrian Airlines
ORD
SOF
12h 30m
1 stop
SOF
ORD
27h 00m
1 stop
Depart: Wed Nov 1 2017 Return: Wed Nov 8 2017 Trip spans 8 days
Lufthansa
Lufthansa
ORD
SOF
16h 00m
1 stop
SOF
ORD
13h 20m
1 stop
Depart: Fri Nov 24 2017 Return: Sat Dec 2 2017 Trip spans 9 days
KLM
KLM
MDW
SOF
17h 28m
2 stops
SOF
MDW
22h 22m
2 stops
Depart: Thu Dec 14 2017 Return: Thu Jan 18 2018 Trip spans 36 days
British Airways
British Airways
ORD
SOF
38h 35m
2 stops
SOF
ORD
29h 20m
1 stop
Depart: Tue Jan 16 2018 Return: Mon Feb 26 2018 Trip spans 42 days
Turkish Airlines
Turkish Airlines
ORD
SOF
15h 00m
1 stop
SOF
ORD
28h 40m
1 stop
Depart: Sun Dec 3 2017 Return: Fri Jan 19 2018 Trip spans 48 days
Lufthansa
Lufthansa
ORD
SOF
17h 30m
1 stop
SOF
ORD
20h 50m
1 stop
Depart: Thu Nov 16 2017 Return: Sat Nov 25 2017 Trip spans 10 days
Multiple Airlines
Multiple Airlines
ORD
SOF
17h 30m
1 stop
SOF
ORD
16h 50m
2 stops
Depart: Wed Jan 17 2018 Return: Mon Feb 26 2018 Trip spans 41 days
Turkish Airlines
Turkish Airlines
ORD
SOF
27h 30m
1 stop
SOF
ORD
28h 40m
1 stop
Depart: Sun Dec 3 2017 Return: Fri Jan 19 2018 Trip spans 48 days
KLM
KLM
MDW
SOF
17h 29m
2 stops
SOF
MDW
16h 57m
2 stops
Depart: Mon Dec 4 2017 Return: Fri Jan 19 2018 Trip spans 47 days
Lufthansa
Lufthansa
ORD
SOF
12h 45m
1 stop
SOF
ORD
13h 20m
1 stop
Depart: Wed Dec 6 2017 Return: Tue Jan 16 2018 Trip spans 42 days
Multiple Airlines
Multiple Airlines
ORD
SOF
17h 30m
1 stop
SOF
ORD
16h 50m
2 stops
Depart: Thu Jan 18 2018 Return: Mon Feb 26 2018 Trip spans 40 days
Turkish Airlines
Turkish Airlines
ORD
SOF
27h 30m
1 stop
SOF
ORD
28h 40m
1 stop
Depart: Mon Dec 4 2017 Return: Fri Jan 19 2018 Trip spans 47 days
KLM
KLM
MDW
SOF
17h 29m
2 stops
SOF
MDW
16h 57m
2 stops
Depart: Tue Dec 5 2017 Return: Fri Jan 19 2018 Trip spans 46 days
Lufthansa
Lufthansa
ORD
SOF
12h 45m
1 stop
SOF
ORD
13h 20m
1 stop
Depart: Thu Mar 29 2018 Return: Sat Apr 7 2018 Trip spans 10 days
British Airways
British Airways
ORD
SOF
17h 25m
2 stops
SOF
ORD
31h 20m
1 stop
Depart: Sun Jan 14 2018 Return: Mon Feb 26 2018 Trip spans 44 days
Turkish Airlines
Turkish Airlines
ORD
SOF
15h 00m
1 stop
SOF
ORD
28h 40m
1 stop
Depart: Sat Nov 18 2017 Return: Sun Nov 26 2017 Trip spans 9 days
Multiple Airlines
Multiple Airlines
ORD
SOF
20h 50m
2 stops
SOF
ORD
34h 42m
2 stops
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Airports
Origin

Chicago
only $599
only $676
Destination

Sofia
$599