Find Cheap Flights from Chicago O'Hare International to Bulgaria

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.
Compare vs. KAYAK all | none
Browse Origins:
Browse Destinations:

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

Book cheap flights from Chicago O'Hare International to Bulgaria

(Round-trip)
Depart: Tue Jun 27 2017 Return: Wed Jul 5 2017 Trip spans 9 days
Lufthansa
Lufthansa
ORD
12:00a
SOF
8:35p
20h 35m
1 stop
SOF
12:00a
ORD
4:15p
16h 15m
1 stop
Depart: Tue Jun 27 2017 Return: Tue Jul 4 2017 Trip spans 8 days
British Airways
British Airways
ORD
12:00a
SOF
8:20p
20h 20m
1 stop
SOF
12:00a
ORD
4:45a
28h 45m
1 stop
Depart: Mon Jun 26 2017 Return: Tue Aug 1 2017 Trip spans 37 days
Multiple Airlines
Multiple Airlines
ORD
12:00a
SOF
8:20p
20h 20m
1 stop
SOF
12:00a
ORD
8:10a
32h 10m
2 stops
Depart: Sat Jul 1 2017 Return: Tue Jul 18 2017 Trip spans 18 days
Major Airline
Major Airline
ORD
12:00a
SOF
4:00p
16h 00m
2 stops
SOF
12:00a
ORD
6:13p
18h 13m
2 stops
Depart: Tue Jul 18 2017 Return: Thu Aug 24 2017 Trip spans 38 days
Alitalia
Alitalia
ORD
12:00a
SOF
7:10p
19h 10m
1 stop
SOF
12:00a
ORD
2:05a
26h 05m
1 stop
Depart: Wed Jun 28 2017 Return: Tue Jul 4 2017 Trip spans 7 days
$1160
Select
Qatar Airways
Qatar Airways
ORD
12:00a
SOF
3:40p
39h 40m
1 stop
SOF
12:00a
ORD
2:20a
26h 20m
1 stop
Depart: Sat Jul 1 2017 Return: Tue Jul 4 2017 Trip spans 4 days
$1358
Select
LOT Polish Airlines
LOT Polish Airlines
ORD
12:00a
SOF
10:45p
22h 45m
1 stop
SOF
12:00a
ORD
7:25p
19h 25m
1 stop
Depart: Tue Jun 27 2017 Return: Sat Jul 8 2017 Trip spans 12 days
British Airways
British Airways
ORD
12:00a
SOF
8:20p
20h 20m
1 stop
SOF
12:00a
ORD
4:15a
28h 15m
1 stop
Depart: Fri Jun 23 2017 Return: Sun Jun 25 2017 Trip spans 3 days
Multiple Airlines
Multiple Airlines
ORD
12:00a
SOF
8:05p
20h 05m
1 stop
SOF
12:00a
ORD
4:45a
28h 45m
1 stop
Depart: Sat Jul 15 2017 Return: Thu Aug 24 2017 Trip spans 41 days
Alitalia
Alitalia
ORD
12:00a
SOF
7:10p
19h 10m
1 stop
SOF
12:00a
ORD
2:05a
26h 05m
1 stop
Depart: Sun Jun 25 2017 Return: Sun Jul 2 2017 Trip spans 8 days
Multiple Airlines
Multiple Airlines
ORD
12:00a
SOF
8:20p
20h 20m
1 stop
SOF
12:00a
ORD
3:25p
15h 25m
1 stop
Depart: Sun Jul 2 2017 Return: Mon Jul 10 2017 Trip spans 9 days
British Airways
British Airways
ORD
12:00a
SOF
8:20p
20h 20m
1 stop
SOF
12:00a
ORD
6:55a
30h 55m
1 stop
Depart: Sat Jul 1 2017 Return: Wed Jul 12 2017 Trip spans 12 days
British Airways
British Airways
ORD
12:00a
SOF
7:00a
31h 00m
1 stop
SOF
12:00a
ORD
3:55a
27h 55m
1 stop
Depart: Wed Jun 28 2017 Return: Wed Jul 5 2017 Trip spans 8 days
$1172
Select
Qatar Airways
Qatar Airways
ORD
12:00a
SOF
3:40p
39h 40m
1 stop
SOF
12:00a
ORD
6:49a
30h 49m
2 stops
Depart: Sat Jul 1 2017 Return: Mon Jul 31 2017 Trip spans 31 days
$1012
Select
Multiple Airlines
Multiple Airlines
ORD
12:00a
SOF
9:15p
21h 15m
2 stops
SOF
12:00a
ORD
7:40a
31h 40m
2 stops
Depart: Tue Jun 27 2017 Return: Fri Jul 28 2017 Trip spans 32 days
$1265
Select
Lufthansa
Lufthansa
ORD
12:00a
SOF
8:35p
20h 35m
1 stop
SOF
12:00a
ORD
4:15p
16h 15m
1 stop
Depart: Sat Jul 1 2017 Return: Sat Jul 8 2017 Trip spans 8 days
British Airways
British Airways
ORD
12:00a
SOF
7:00a
31h 00m
1 stop
SOF
12:00a
ORD
4:15a
28h 15m
1 stop
Depart: Sat Jul 1 2017 Return: Tue Aug 1 2017 Trip spans 32 days
$1328
Select
Major Airline
Major Airline
ORD
12:00a
SOF
12:35p
12h 35m
1 stop
SOF
12:00a
ORD
1:05p
13h 05m
1 stop
Depart: Wed Jun 28 2017 Return: Fri Jul 7 2017 Trip spans 10 days
$1220
Select
Qatar Airways
Qatar Airways
ORD
12:00a
SOF
3:40p
39h 40m
1 stop
SOF
12:00a
ORD
2:20a
26h 20m
1 stop
Depart: Sat Jul 1 2017 Return: Sat Aug 5 2017 Trip spans 36 days
$1384
Select
LOT Polish Airlines
LOT Polish Airlines
ORD
12:00a
SOF
10:45p
22h 45m
1 stop
SOF
12:00a
ORD
4:55a
28h 55m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

We compile tonnes of data for you
Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

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.

If you have more questions or if you have a bad price to report to us,
please send us an email and someone from our team will get back to you promptly.

Airports
Origin

Chicago
$796
Destination

Sofia
$796