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Find Deals on Flights from Chicago to Sofia (CHI - SOF)

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Chicago to Sofia

(Round-trip)
Depart: Fri Jan 29 2016 Return: Sat Feb 6 2016 Trip spans 9 days
Turkish Airlines
Turkish Airlines
ORD
4:50p
SOF
7:30a
14h 40m
1 stop
SOF
4:25p
ORD
8:50p
28h 25m
1 stop
Depart: Tue Dec 1 2015 Return: Wed Jan 6 2016 Trip spans 37 days
United
United
ORD
4:35p
SOF
5:15a
12h 40m
1 stop
SOF
2:00a
ORD
10:05p
20h 05m
2 stops
Depart: Mon Dec 28 2015 Return: Tue Jan 5 2016 Trip spans 9 days
Lufthansa
Lufthansa
ORD
4:35p
SOF
9:10a
16h 35m
1 stop
SOF
8:00a
ORD
10:05p
14h 05m
1 stop
Depart: Mon Aug 31 2015 Return: Tue Sep 8 2015 Trip spans 9 days
SWISS
SWISS
ORD
10:45a
SOF
8:20a
21h 35m
1 stop
SOF
5:00p
ORD
7:45p
26h 45m
1 stop
Depart: Sun Aug 23 2015 Return: Thu Sep 24 2015 Trip spans 33 days
Alitalia
Alitalia
ORD
10:50a
SOF
12:20a
13h 30m
1 stop
SOF
3:05p
ORD
5:10p
26h 05m
1 stop
Depart: Wed Aug 26 2015 Return: Tue Sep 8 2015 Trip spans 14 days
KLM Royal Dutch
KLM Royal Dutch
MDW
8:31a
SOF
1:45a
17h 14m
2 stops
SOF
3:15a
MDW
9:23p
18h 08m
2 stops
Depart: Fri Sep 4 2015 Return: Tue Sep 15 2015 Trip spans 12 days
KLM Royal Dutch
KLM Royal Dutch
ORD
12:20p
SOF
4:20a
16h 00m
2 stops
SOF
3:15a
ORD
6:10p
14h 55m
1 stop
Depart: Sat Aug 22 2015 Return: Thu Oct 8 2015 Trip spans 48 days
Air Canada
Air Canada
ORD
1:45p
SOF
6:30a
16h 45m
1 stop
SOF
2:00a
ORD
10:53p
20h 53m
2 stops
Depart: Sun Aug 30 2015 Return: Sat Sep 12 2015 Trip spans 14 days
$1052
Select
Air France
Air France
MDW
2:35p
SOF
4:20a
13h 45m
2 stops
SOF
3:20a
MDW
9:22p
18h 02m
2 stops
Depart: Mon Jul 20 2015 Return: Fri Aug 28 2015 Trip spans 40 days
$1072
Select
Austrian Airlines
Austrian Airlines
ORD
12:00p
SOF
12:40a
12h 40m
1 stop
SOF
4:35p
ORD
5:20p
24h 45m
1 stop
Airports
Origin

Chicago
only $653
only $817
Destination

Sofia
$653