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: Sun Sep 3 2017 Return: Thu Sep 21 2017 Trip spans 19 days
Qatar Airways
Qatar Airways
ORD
SOF
39h 30m
1 stop
SOF
ORD
33h 10m
1 stop
Depart: Wed May 24 2017 Return: Tue May 30 2017 Trip spans 7 days
Lufthansa
Lufthansa
ORD
SOF
22h 00m
1 stop
SOF
ORD
20h 20m
1 stop
Depart: Thu Nov 30 2017 Return: Wed Dec 27 2017 Trip spans 28 days
LOT Polish Airlines
LOT Polish Airlines
ORD
SOF
11h 40m
1 stop
SOF
ORD
13h 10m
1 stop
Depart: Sun Jul 30 2017 Return: Sun Aug 20 2017 Trip spans 22 days
Major Airline
Major Airline
ORD
SOF
16h 25m
1 stop
SOF
ORD
13h 40m
1 stop
Depart: Fri Aug 18 2017 Return: Sun Sep 24 2017 Trip spans 38 days
Turkish Airlines
Turkish Airlines
ORD
SOF
27h 25m
1 stop
SOF
ORD
27h 55m
1 stop
Depart: Wed May 31 2017 Return: Thu Jun 15 2017 Trip spans 16 days
KLM
KLM
MDW
SOF
16h 55m
2 stops
SOF
MDW
22h 09m
2 stops
Depart: Tue Oct 31 2017 Return: Mon Nov 6 2017 Trip spans 7 days
Qatar Airways
Qatar Airways
ORD
SOF
32h 00m
1 stop
SOF
ORD
34h 05m
1 stop
Depart: Fri Sep 1 2017 Return: Wed Sep 20 2017 Trip spans 20 days
Qatar Airways
Qatar Airways
ORD
SOF
39h 30m
1 stop
SOF
ORD
26h 20m
1 stop
Depart: Mon Aug 21 2017 Return: Wed Sep 6 2017 Trip spans 17 days
KLM
KLM
MDW
SOF
18h 48m
2 stops
SOF
MDW
16h 49m
2 stops
Depart: Tue Sep 12 2017 Return: Thu Sep 28 2017 Trip spans 17 days
KLM
KLM
MDW
SOF
18h 35m
2 stops
SOF
MDW
18h 37m
2 stops
Depart: Fri Jun 30 2017 Return: Sat Jul 22 2017 Trip spans 23 days
Lufthansa
Lufthansa
ORD
SOF
34h 20m
2 stops
SOF
ORD
16h 15m
1 stop
Depart: Thu Nov 30 2017 Return: Wed Dec 27 2017 Trip spans 28 days
$1113
Select
KLM
KLM
MDW
SOF
18h 53m
2 stops
SOF
MDW
16h 59m
2 stops
Depart: Fri Aug 18 2017 Return: Sun Sep 24 2017 Trip spans 38 days
$1263
Select
KLM
KLM
MDW
SOF
16h 45m
2 stops
SOF
MDW
18h 37m
2 stops
Depart: Mon Jun 12 2017 Return: Fri Jul 7 2017 Trip spans 26 days
$1369
Select
KLM
KLM
MDW
SOF
17h 39m
2 stops
SOF
MDW
21h 36m
2 stops
Depart: Sun Jun 18 2017 Return: Mon Jul 3 2017 Trip spans 16 days
$1582
Select
KLM
KLM
MDW
SOF
19h 05m
2 stops
SOF
MDW
21h 40m
2 stops
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

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Airports
Origin

Chicago
only $690
only $849
Destination

Sofia
$690