Find Cheap Flights from Bulgaria to Chicago

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 Bulgaria to Chicago

(Round-trip)
Depart: Sat Nov 11 2017 Return: Mon Nov 27 2017 Trip spans 17 days
Multiple Airlines
Multiple Airlines
SOF
ORD
29h 25m
1 stop
ORD
SOF
31h 15m
1 stop
Depart: Sun Nov 26 2017 Return: Sun Dec 10 2017 Trip spans 15 days
British Airways
British Airways
SOF
ORD
32h 45m
1 stop
ORD
SOF
32h 40m
1 stop
Depart: Mon Apr 30 2018 Return: Wed May 30 2018 Trip spans 31 days
KLM
KLM
SOF
MDW
19h 52m
2 stops
MDW
SOF
19h 10m
2 stops
Depart: Sat Nov 4 2017 Return: Mon Nov 27 2017 Trip spans 24 days
Lufthansa
Lufthansa
SOF
ORD
17h 00m
1 stop
ORD
SOF
16h 00m
1 stop
Depart: Sun Nov 26 2017 Return: Wed Dec 13 2017 Trip spans 18 days
Qatar Airways
Qatar Airways
SOF
ORD
23h 20m
1 stop
ORD
SOF
22h 15m
2 stops
Depart: Sun Nov 26 2017 Return: Mon Dec 18 2017 Trip spans 23 days
$1086
Select
Austrian Airlines
Austrian Airlines
SOF
ORD
24h 50m
1 stop
ORD
SOF
12h 30m
1 stop
Depart: Sun Nov 26 2017 Return: Tue Dec 19 2017 Trip spans 24 days
$1185
Select
Turkish Airlines
Turkish Airlines
SOF
ORD
28h 40m
1 stop
ORD
SOF
27h 30m
1 stop
Depart: Thu Nov 23 2017 Return: Thu Nov 30 2017 Trip spans 8 days
Multiple Airlines
Multiple Airlines
SOF
ORD
30h 19m
2 stops
ORD
SOF
20h 05m
1 stop
Depart: Thu Mar 8 2018 Return: Sun Mar 11 2018 Trip spans 4 days
British Airways
British Airways
SOF
ORD
32h 40m
1 stop
ORD
SOF
32h 40m
1 stop
Depart: Tue Oct 31 2017 Return: Thu Nov 30 2017 Trip spans 31 days
Lufthansa
Lufthansa
SOF
ORD
16h 30m
1 stop
ORD
SOF
15h 15m
1 stop
Depart: Mon Apr 30 2018 Return: Wed May 30 2018 Trip spans 31 days
KLM
KLM
SOF
ORD
17h 25m
2 stops
ORD
SOF
15h 30m
2 stops
Depart: Sat Dec 16 2017 Return: Thu Jan 4 2018 Trip spans 20 days
Multiple Airlines
Multiple Airlines
SOF
ORD
29h 25m
1 stop
ORD
SOF
20h 05m
1 stop
Depart: Mon Jan 15 2018 Return: Thu Feb 22 2018 Trip spans 39 days
British Airways
British Airways
SOF
ORD
32h 50m
1 stop
ORD
SOF
20h 10m
1 stop
Depart: Thu Oct 26 2017 Return: Thu Dec 14 2017 Trip spans 50 days
Lufthansa
Lufthansa
SOF
ORD
16h 35m
1 stop
ORD
SOF
12h 50m
1 stop
Depart: Thu Oct 26 2017 Return: Mon Dec 18 2017 Trip spans 54 days
KLM
KLM
SOF
ORD
22h 57m
2 stops
ORD
SOF
17h 45m
2 stops
Depart: Mon Jan 15 2018 Return: Mon Feb 19 2018 Trip spans 36 days
Multiple Airlines
Multiple Airlines
SOF
ORD
32h 40m
1 stop
ORD
SOF
12h 10m
1 stop
Depart: Tue Jan 16 2018 Return: Thu Feb 22 2018 Trip spans 38 days
British Airways
British Airways
SOF
ORD
29h 20m
1 stop
ORD
SOF
12h 10m
1 stop
Depart: Mon Nov 20 2017 Return: Thu Dec 14 2017 Trip spans 25 days
Lufthansa
Lufthansa
SOF
ORD
20h 55m
1 stop
ORD
SOF
17h 30m
1 stop
Depart: Tue Nov 21 2017 Return: Mon Dec 18 2017 Trip spans 28 days
KLM
KLM
SOF
ORD
19h 02m
2 stops
ORD
SOF
17h 45m
2 stops
Depart: Tue Jan 16 2018 Return: Tue Feb 20 2018 Trip spans 36 days
Multiple Airlines
Multiple Airlines
SOF
ORD
29h 20m
1 stop
ORD
SOF
12h 10m
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.

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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

Sofia
$648
Destination

Chicago
only $648
only $657