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
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: Mon Apr 3 2017 Return: Wed May 3 2017 Trip spans 31 days
Turkish Airlines
Turkish Airlines
ORD
SOF
15h 05m
1 stop
SOF
ORD
15h 35m
1 stop
Depart: Thu Mar 16 2017 Return: Thu Mar 23 2017 Trip spans 8 days
KLM
KLM
MDW
SOF
19h 05m
2 stops
SOF
MDW
16h 57m
2 stops
Depart: Sun May 14 2017 Return: Sat Jun 3 2017 Trip spans 21 days
Lufthansa
Lufthansa
ORD
SOF
13h 10m
1 stop
SOF
ORD
20h 25m
1 stop
Depart: Mon Aug 21 2017 Return: Mon Oct 9 2017 Trip spans 50 days
British Airways
British Airways
ORD
SOF
20h 20m
1 stop
SOF
ORD
35h 45m
2 stops
Depart: Sat Jun 10 2017 Return: Thu Jul 20 2017 Trip spans 41 days
Major Airline
Major Airline
ORD
VAR
14h 40m
2 stops
VAR
ORD
29h 00m
2 stops
Depart: Thu Mar 30 2017 Return: Mon Apr 10 2017 Trip spans 12 days
Turkish Airlines
Turkish Airlines
ORD
SOF
15h 05m
1 stop
SOF
ORD
27h 55m
1 stop
Depart: Wed Aug 9 2017 Return: Tue Aug 29 2017 Trip spans 21 days
$1080
Select
Aer Lingus
Aer Lingus
ORD
BOJ
31h 30m
1 stop
BOJ
ORD
26h 55m
1 stop
Depart: Tue Apr 11 2017 Return: Tue Apr 25 2017 Trip spans 15 days
Turkish Airlines
Turkish Airlines
ORD
SOF
15h 05m
1 stop
SOF
ORD
15h 35m
1 stop
Depart: Thu Mar 30 2017 Return: Mon Apr 10 2017 Trip spans 12 days
Turkish Airlines
Turkish Airlines
ORD
SOF
15h 05m
1 stop
SOF
ORD
27h 55m
1 stop
Depart: Tue May 16 2017 Return: Fri Jun 16 2017 Trip spans 32 days
Lufthansa
Lufthansa
ORD
SOF
13h 10m
1 stop
SOF
ORD
13h 35m
1 stop
Depart: Wed May 31 2017 Return: Wed Jun 14 2017 Trip spans 15 days
KLM
KLM
MDW
SOF
17h 20m
2 stops
SOF
MDW
19h 53m
2 stops
Depart: Thu Jun 1 2017 Return: Sat Jun 10 2017 Trip spans 10 days
KLM
KLM
MDW
SOF
17h 20m
2 stops
SOF
MDW
22h 03m
2 stops
Depart: Mon Feb 27 2017 Return: Mon Mar 27 2017 Trip spans 28 days
Turkish Airlines
Turkish Airlines
ORD
SOF
15h 20m
1 stop
SOF
ORD
27h 55m
1 stop
Depart: Sat Apr 1 2017 Return: Mon Apr 10 2017 Trip spans 10 days
KLM
KLM
MDW
SOF
18h 53m
2 stops
SOF
MDW
17h 42m
2 stops
Depart: Thu Jul 27 2017 Return: Tue Sep 12 2017 Trip spans 48 days
Turkish Airlines
Turkish Airlines
ORD
SOF
15h 05m
1 stop
SOF
ORD
27h 55m
1 stop
Depart: Fri Aug 4 2017 Return: Sat Aug 26 2017 Trip spans 23 days
Turkish Airlines
Turkish Airlines
ORD
SOF
15h 05m
1 stop
SOF
ORD
27h 55m
1 stop
Depart: Tue Aug 8 2017 Return: Sun Aug 27 2017 Trip spans 20 days
Turkish Airlines
Turkish Airlines
ORD
VAR
20h 45m
1 stop
VAR
ORD
33h 45m
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 $512
only $626
Destination

Varna
$765
Sofia
$512
Burgas
$1080