Find Cheap Flights from Chicago to Sofia (CHI - SOF)

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 to Sofia

(Round-trip)
Depart: Mon Sep 4 2017 Return: Thu Sep 21 2017 Trip spans 18 days
Qatar Airways
Qatar Airways
ORD
SOF
39h 30m
1 stop
SOF
ORD
33h 10m
1 stop
Depart: Mon Jun 5 2017 Return: Tue Jul 4 2017 Trip spans 30 days
British Airways
British Airways
ORD
SOF
31h 41m
2 stops
SOF
ORD
28h 45m
1 stop
Depart: Mon Jul 31 2017 Return: Thu Sep 14 2017 Trip spans 46 days
SWISS
SWISS
ORD
SOF
17h 15m
1 stop
SOF
ORD
13h 05m
1 stop
Depart: Tue Jul 18 2017 Return: Wed Aug 23 2017 Trip spans 37 days
Lufthansa
Lufthansa
ORD
SOF
13h 10m
1 stop
SOF
ORD
20h 20m
1 stop
Depart: Sat May 20 2017 Return: Fri Jun 9 2017 Trip spans 21 days
KLM
KLM
MDW
SOF
18h 51m
2 stops
SOF
MDW
21h 25m
2 stops
Depart: Sun Aug 6 2017 Return: Thu Aug 24 2017 Trip spans 19 days
Air France
Air France
MDW
SOF
15h 35m
2 stops
SOF
MDW
16h 49m
2 stops
Depart: Fri Jun 30 2017 Return: Fri Jul 28 2017 Trip spans 29 days
Air Serbia
Air Serbia
ORD
SOF
16h 05m
2 stops
SOF
ORD
27h 45m
2 stops
Depart: Sun Oct 8 2017 Return: Wed Oct 18 2017 Trip spans 11 days
Qatar Airways
Qatar Airways
ORD
SOF
39h 30m
1 stop
SOF
ORD
26h 20m
1 stop
Depart: Sat May 27 2017 Return: Sat Jun 10 2017 Trip spans 15 days
British Airways
British Airways
ORD
SOF
20h 25m
1 stop
SOF
ORD
28h 15m
1 stop
Depart: Wed Sep 6 2017 Return: Wed Oct 4 2017 Trip spans 29 days
Qatar Airways
Qatar Airways
ORD
SOF
39h 30m
1 stop
SOF
ORD
26h 20m
1 stop
Depart: Mon May 1 2017 Return: Wed May 31 2017 Trip spans 31 days
Qatar Airways
Qatar Airways
ORD
SOF
39h 45m
1 stop
SOF
ORD
26h 05m
1 stop
Depart: Fri Apr 28 2017 Return: Sun Apr 30 2017 Trip spans 3 days
Qatar Airways
Qatar Airways
ORD
SOF
39h 45m
1 stop
SOF
ORD
26h 05m
1 stop
Depart: Sun Sep 3 2017 Return: Wed Sep 6 2017 Trip spans 4 days
$1570
Select
Air France
Air France
MDW
SOF
15h 35m
2 stops
SOF
MDW
16h 49m
2 stops
* 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 $662
only $852
Destination

Sofia
$662