Find Deals on 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.
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Book cheap flights from Chicago O'Hare International to Bulgaria

(Round-trip)
Depart: Mon Mar 6 2017 Return: Thu Apr 6 2017 Trip spans 31 days
Turkish Airlines
Turkish Airlines
ORD
4:20p
SOF
7:40a
15h 20m
1 stop
SOF
5:40p
ORD
9:35p
27h 55m
1 stop
Depart: Fri Mar 3 2017 Return: Thu Mar 23 2017 Trip spans 20 days
Austrian Airlines
Austrian Airlines
ORD
11:20a
VAR
11:50p
12h 30m
1 stop
VAR
9:30a
ORD
5:55p
32h 25m
1 stop
Depart: Sun Mar 19 2017 Return: Sun Mar 26 2017 Trip spans 8 days
Major Airline
Major Airline
ORD
7:00a
SOF
10:10p
15h 10m
1 stop
SOF
10:05p
ORD
2:20p
16h 15m
1 stop
Depart: Sat Mar 25 2017 Return: Wed May 10 2017 Trip spans 47 days
LOT Polish Airlines
LOT Polish Airlines
ORD
6:35p
SOF
1:35p
19h 00m
1 stop
SOF
1:40a
ORD
11:35p
21h 55m
1 stop
Depart: Mon Mar 20 2017 Return: Tue Mar 28 2017 Trip spans 9 days
Lufthansa
Lufthansa
ORD
3:10p
SOF
10:55a
19h 45m
1 stop
SOF
2:05a
ORD
6:20p
16h 15m
1 stop
Depart: Wed Jun 28 2017 Return: Tue Jul 11 2017 Trip spans 14 days
Alitalia
Alitalia
ORD
11:05a
SOF
6:15a
19h 10m
1 stop
SOF
3:35a
ORD
5:10p
13h 35m
1 stop
Depart: Mon Jul 31 2017 Return: Thu Aug 31 2017 Trip spans 32 days
SWISS
SWISS
ORD
10:45a
SOF
8:25a
21h 40m
1 stop
SOF
6:20a
ORD
7:25p
13h 05m
1 stop
Depart: Mon Aug 21 2017 Return: Wed Oct 11 2017 Trip spans 52 days
British Airways
British Airways
ORD
5:05a
SOF
1:25a
20h 20m
1 stop
SOF
10:25a
ORD
7:20p
32h 55m
1 stop
Depart: Tue May 23 2017 Return: Tue Jun 20 2017 Trip spans 29 days
United
United
ORD
6:35p
SOF
10:05a
15h 30m
1 stop
SOF
2:05a
ORD
10:30p
20h 25m
1 stop
Depart: Wed Jul 5 2017 Return: Tue Aug 1 2017 Trip spans 28 days
Air France
Air France
ORD
1:17p
SOF
4:05a
14h 48m
2 stops
SOF
3:10a
ORD
5:55p
14h 45m
2 stops
Depart: Sun May 14 2017 Return: Sat Jun 24 2017 Trip spans 42 days
Qatar Airways
Qatar Airways
ORD
11:05a
SOF
7:30a
44h 25m
2 stops
SOF
9:25a
ORD
12:45a
39h 20m
2 stops
Depart: Sun Aug 13 2017 Return: Sun Sep 3 2017 Trip spans 22 days
Air Serbia
Air Serbia
ORD
11:25a
SOF
3:30a
16h 05m
2 stops
SOF
12:00p
ORD
3:45p
27h 45m
2 stops
Depart: Mon Mar 27 2017 Return: Wed May 10 2017 Trip spans 45 days
Turkish Airlines
Turkish Airlines
ORD
5:40p
SOF
9:05p
27h 25m
1 stop
SOF
5:40p
ORD
9:35p
27h 55m
1 stop
Depart: Thu Mar 30 2017 Return: Mon Apr 10 2017 Trip spans 12 days
Turkish Airlines
Turkish Airlines
ORD
5:40p
SOF
9:05p
27h 25m
1 stop
SOF
6:00a
ORD
9:35p
15h 35m
1 stop
Depart: Sun Apr 2 2017 Return: Tue Apr 11 2017 Trip spans 10 days
Turkish Airlines
Turkish Airlines
ORD
5:40p
SOF
8:45a
15h 05m
1 stop
SOF
6:00a
ORD
9:35p
15h 35m
1 stop
Depart: Tue Mar 21 2017 Return: Tue Mar 28 2017 Trip spans 8 days
Lufthansa
Lufthansa
ORD
6:35p
SOF
7:05a
12h 30m
1 stop
SOF
2:05a
ORD
10:30p
20h 25m
1 stop
Depart: Tue Jul 18 2017 Return: Tue Aug 1 2017 Trip spans 15 days
Alitalia
Alitalia
ORD
11:05a
SOF
6:15a
19h 10m
1 stop
SOF
3:35a
ORD
5:10p
13h 35m
1 stop
Depart: Tue Jul 11 2017 Return: Wed Jul 26 2017 Trip spans 16 days
LOT Polish Airlines
LOT Polish Airlines
ORD
2:50p
SOF
1:35p
22h 45m
1 stop
SOF
1:55p
ORD
11:35p
33h 40m
1 stop
Depart: Wed Apr 26 2017 Return: Sat Jun 3 2017 Trip spans 39 days
Turkish Airlines
Turkish Airlines
ORD
5:40p
SOF
8:45a
15h 05m
1 stop
SOF
5:40p
ORD
9:35p
27h 55m
1 stop
Depart: Fri Jul 14 2017 Return: Sat Aug 5 2017 Trip spans 23 days
Major Airline
Major Airline
ORD
8:55a
SOF
7:45a
22h 50m
1 stop
SOF
10:35p
ORD
2:10p
15h 35m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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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.

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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,
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Airports
Origin

Chicago
$512
Destination

Varna
$601
Sofia
$512