Find Cheap Flights 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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(Round-trip)
Depart: Wed Mar 1 2017 Return: Wed Mar 8 2017 Trip spans 8 days
Lufthansa
Lufthansa
ORD
SOF
12h 30m
1 stop
SOF
ORD
14h 05m
1 stop
Depart: Thu Feb 9 2017 Return: Sun Feb 26 2017 Trip spans 18 days
Iberia
Iberia
ORD
SOF
13h 50m
1 stop
SOF
ORD
15h 40m
1 stop
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: 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: Mon Feb 27 2017 Trip spans 15 days
KLM
KLM
MDW
SOF
16h 51m
2 stops
SOF
MDW
17h 01m
2 stops
Depart: Sun Jan 1 2017 Return: Thu Jan 12 2017 Trip spans 12 days
Major Airline
Major Airline
ORD
VAR
58h 35m
2 stops
VAR
ORD
31h 40m
2 stops
Depart: Thu Feb 9 2017 Return: Wed Feb 15 2017 Trip spans 7 days
Aeroflot
Aeroflot
JFK
SOF
15h 00m
1 stop
SOF
JFK
35h 00m
1 stop
Depart: Thu May 18 2017 Return: Tue May 30 2017 Trip spans 13 days
airberlin
airberlin
BOS
SOF
13h 20m
2 stops
SOF
BOS
19h 50m
2 stops
Depart: Wed Apr 12 2017 Return: Wed Apr 19 2017 Trip spans 8 days
Qatar Airways
Qatar Airways
JFK
SOF
38h 40m
1 stop
SOF
JFK
19h 35m
1 stop
Depart: Sun Apr 2 2017 Return: Sun Apr 9 2017 Trip spans 8 days
Air France
Air France
MDW
SOF
15h 35m
2 stops
SOF
MDW
16h 39m
2 stops
Depart: Tue Apr 25 2017 Return: Mon May 1 2017 Trip spans 7 days
Turkish Airlines
Turkish Airlines
ORD
VAR
20h 45m
1 stop
VAR
ORD
21h 40m
1 stop
Depart: Tue Feb 7 2017 Return: Fri Feb 17 2017 Trip spans 11 days
United
United
LGA
SOF
18h 30m
2 stops
SOF
LGA
19h 31m
2 stops
Depart: Thu Apr 20 2017 Return: Sun Apr 30 2017 Trip spans 11 days
American Airlines
American Airlines
LGA
SOF
24h 10m
2 stops
SOF
LGA
36h 37m
2 stops
Depart: Fri Mar 3 2017 Return: Tue Mar 7 2017 Trip spans 5 days
Air Canada
Air Canada
LGA
SOF
17h 10m
2 stops
SOF
LGA
22h 25m
2 stops
Depart: Sun Jan 1 2017 Return: Mon Jan 9 2017 Trip spans 9 days
SWISS
SWISS
EWR
SOF
12h 45m
2 stops
SOF
EWR
16h 20m
2 stops
Depart: Thu Jun 22 2017 Return: Sat Jul 8 2017 Trip spans 17 days
LOT Polish Airlines
LOT Polish Airlines
EWR
SOF
16h 00m
1 stop
SOF
EWR
28h 45m
1 stop
Depart: Sat Apr 1 2017 Return: Sat Apr 15 2017 Trip spans 15 days
Air Serbia
Air Serbia
MIA
SOF
16h 25m
2 stops
SOF
MIA
28h 50m
2 stops
Depart: Sun Jan 29 2017 Return: Fri Feb 10 2017 Trip spans 13 days
Lufthansa
Lufthansa
ORD
SOF
19h 50m
2 stops
SOF
ORD
17h 25m
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: 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
* 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

New York
only $735
only $599
Chicago
only $473
only $528
Newark
$800
Miami
$849
Boston
$620
Destination

Varna
$591
Sofia
$473