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Find Flight Deals 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: Mon Mar 23 2015 Return: Tue Apr 7 2015 Trip spans 16 days
Lufthansa
Lufthansa
ORD
6:30p
SOF
11:30a
17h 00m
1 stop
SOF
8:55a
ORD
10:25p
13h 30m
1 stop
Depart: Wed Mar 11 2015 Return: Wed Apr 8 2015 Trip spans 29 days
KLM Royal Dutch
KLM Royal Dutch
ORD
1:20p
SOF
3:00a
13h 40m
1 stop
SOF
3:15a
ORD
6:10p
14h 55m
1 stop
Depart: Fri Aug 21 2015 Return: Sat Sep 5 2015 Trip spans 16 days
Turkish Airlines
Turkish Airlines
ORD
6:15p
SOF
8:55a
14h 40m
1 stop
SOF
5:35a
ORD
9:25p
15h 50m
1 stop
Depart: Thu May 7 2015 Return: Mon May 11 2015 Trip spans 5 days
Multiple Airlines
Multiple Airlines
ORD
8:20a
SOF
11:45p
15h 25m
2 stops
SOF
2:10a
ORD
10:25p
20h 15m
1 stop
Depart: Thu Mar 26 2015 Return: Mon Apr 6 2015 Trip spans 12 days
LOT Polish Air
LOT Polish Air
ORD
6:30p
SOF
6:15a
11h 45m
1 stop
SOF
10:40a
ORD
11:35p
12h 55m
1 stop
Depart: Tue May 26 2015 Return: Sat Jun 6 2015 Trip spans 12 days
Aeroflot
Aeroflot
ORD
2:00a
SOF
10:00a
32h 00m
2 stops
SOF
8:30a
ORD
9:57p
61h 27m
2 stops
Depart: Thu Jul 2 2015 Return: Tue Jul 14 2015 Trip spans 13 days
$1074
Select
United
United
ORD
2:00p
SOF
10:05a
20h 05m
1 stop
SOF
2:00a
ORD
6:50p
16h 50m
1 stop
Depart: Wed Jul 29 2015 Return: Mon Aug 10 2015 Trip spans 13 days
$1101
Select
Air Canada
Air Canada
ORD
5:20p
SOF
6:30a
13h 10m
1 stop
SOF
2:50a
ORD
9:04p
18h 14m
2 stops
Depart: Tue Jun 23 2015 Return: Tue Jul 14 2015 Trip spans 22 days
$1106
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SWISS
SWISS
ORD
3:15p
SOF
9:40p
30h 25m
1 stop
SOF
5:00p
ORD
7:45p
26h 45m
1 stop
Depart: Sun Jun 7 2015 Return: Sun Jul 5 2015 Trip spans 29 days
$1119
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Major Airline
Major Airline
ORD
12:00p
SOF
12:00a
12h 00m
1 stop
SOF
2:00a
ORD
6:00p
16h 00m
2 stops
Depart: Sun Apr 12 2015 Return: Fri Apr 17 2015 Trip spans 6 days
$1415
Select
Air Berlin
Air Berlin
ORD
11:25a
SOF
12:50a
13h 25m
1 stop
SOF
9:05a
ORD
3:25p
54h 20m
2 stops
Change your search
Airports
Origin

Chicago
$688
Destination

Sofia
$688