Find Deals on Flights from Chicago 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
Students
under 26
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 Bulgaria

(Round-trip)
Depart: Fri Mar 10 2017 Return: Sat Mar 25 2017 Trip spans 15 days
British Airways
British Airways
ORD
SOF
20h 20m
1 stop
SOF
ORD
30h 15m
1 stop
Depart: Mon Feb 13 2017 Return: Tue Feb 28 2017 Trip spans 16 days
LOT Polish Airlines
LOT Polish Airlines
ORD
SOF
11h 40m
1 stop
SOF
ORD
13h 10m
1 stop
Depart: Mon Apr 3 2017 Return: Wed Apr 12 2017 Trip spans 10 days
Austrian Airlines
Austrian Airlines
ORD
SOF
33h 35m
1 stop
SOF
ORD
32h 15m
1 stop
Depart: Mon Feb 13 2017 Return: Tue Feb 28 2017 Trip spans 16 days
KLM
KLM
MDW
SOF
16h 51m
2 stops
SOF
MDW
17h 55m
2 stops
Depart: Sat Dec 31 2016 Return: Fri Jan 27 2017 Trip spans 28 days
Turkish Airlines
Turkish Airlines
ORD
SOF
15h 20m
1 stop
SOF
ORD
16h 45m
1 stop
Depart: Thu Jun 8 2017 Return: Mon Aug 7 2017 Trip spans 61 days
Major Airline
Major Airline
ORD
SOF
20h 20m
1 stop
SOF
ORD
31h 20m
1 stop
Depart: Wed May 24 2017 Return: Sat Jun 24 2017 Trip spans 32 days
airberlin
airberlin
ORD
SOF
18h 50m
1 stop
SOF
ORD
24h 45m
1 stop
Depart: Mon Dec 26 2016 Return: Mon Jan 9 2017 Trip spans 15 days
Qatar Airways
Qatar Airways
ORD
SOF
49h 50m
2 stops
SOF
ORD
64h 25m
2 stops
Depart: Tue Jan 10 2017 Return: Mon Jan 30 2017 Trip spans 21 days
British Airways
British Airways
ORD
SOF
20h 20m
1 stop
SOF
ORD
29h 40m
1 stop
Depart: Sat Mar 4 2017 Return: Sat Mar 11 2017 Trip spans 8 days
KLM
KLM
MDW
SOF
17h 01m
2 stops
SOF
MDW
21h 12m
2 stops
Depart: Fri Apr 28 2017 Return: Wed May 3 2017 Trip spans 6 days
$1131
Select
Aer Lingus
Aer Lingus
ORD
BOJ
16h 20m
1 stop
BOJ
ORD
33h 25m
1 stop
Depart: Mon Jan 30 2017 Return: Sun Feb 12 2017 Trip spans 14 days
KLM
KLM
MDW
SOF
37h 10m
2 stops
SOF
MDW
17h 11m
2 stops
Depart: Tue Apr 11 2017 Return: Tue Apr 25 2017 Trip spans 15 days
British Airways
British Airways
ORD
SOF
20h 25m
1 stop
SOF
ORD
31h 25m
2 stops
Depart: Sun May 14 2017 Return: Sun Jun 18 2017 Trip spans 36 days
Turkish Airlines
Turkish Airlines
ORD
VAR
20h 45m
1 stop
VAR
ORD
21h 40m
1 stop
Depart: Fri Jun 30 2017 Return: Fri Jul 21 2017 Trip spans 22 days
Turkish Airlines
Turkish Airlines
ORD
VAR
20h 45m
1 stop
VAR
ORD
21h 40m
1 stop
Depart: Wed May 24 2017 Return: Sat Jun 24 2017 Trip spans 32 days
KLM
KLM
MDW
SOF
16h 55m
2 stops
SOF
MDW
20h 56m
2 stops
Depart: Mon Dec 26 2016 Return: Thu Jan 12 2017 Trip spans 18 days
$1012
Select
Turkish Airlines
Turkish Airlines
ORD
VAR
33h 20m
1 stop
VAR
ORD
34h 50m
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
only $477
only $528
Destination

Varna
$710
Sofia
$477
Burgas
$1131