Find Deals on Flights from Boston Logan International 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.
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 Boston Logan International to Bulgaria

(Round-trip)
Depart: Wed Mar 29 2017 Return: Mon Apr 3 2017 Trip spans 6 days
Turkish Airlines
Turkish Airlines
BOS
7:35p
SOF
9:45a
14h 10m
1 stop
SOF
6:00a
BOS
9:15p
15h 15m
1 stop
Depart: Thu Apr 13 2017 Return: Thu May 11 2017 Trip spans 29 days
Major Airline
Major Airline
BOS
11:20a
SOF
10:25p
11h 05m
1 stop
SOF
6:30a
BOS
9:15p
14h 45m
1 stop
Depart: Sun Aug 20 2017 Return: Fri Sep 1 2017 Trip spans 13 days
Lufthansa
Lufthansa
BOS
4:20p
SOF
7:30a
15h 10m
1 stop
SOF
2:05a
BOS
9:35p
19h 30m
1 stop
Depart: Tue Aug 15 2017 Return: Thu Aug 24 2017 Trip spans 10 days
British Airways
British Airways
BOS
3:45a
SOF
2:25a
22h 40m
1 stop
SOF
10:30a
BOS
4:30p
30h 00m
1 stop
Depart: Sun Jun 18 2017 Return: Tue Jul 4 2017 Trip spans 17 days
Qatar Airways
Qatar Airways
BOS
6:10p
SOF
8:15a
38h 05m
1 stop
SOF
4:15p
BOS
5:40p
25h 25m
1 stop
Depart: Fri Jul 14 2017 Return: Thu Aug 17 2017 Trip spans 35 days
$1041
Select
SWISS
SWISS
BOS
1:00p
SOF
4:00a
15h 00m
1 stop
SOF
6:20a
BOS
10:55p
16h 35m
1 stop
Depart: Tue Jul 18 2017 Return: Tue Aug 15 2017 Trip spans 29 days
$1047
Select
United
United
BOS
4:20p
SOF
7:30a
15h 10m
1 stop
SOF
2:05a
BOS
9:35p
19h 30m
1 stop
Depart: Wed Jul 12 2017 Return: Tue Aug 22 2017 Trip spans 42 days
$1072
Select
KLM
KLM
BOS
2:51p
SOF
2:55a
12h 04m
1 stop
SOF
3:10a
BOS
3:23p
12h 13m
1 stop
Depart: Wed Mar 1 2017 Return: Thu Mar 16 2017 Trip spans 15 days
Turkish Airlines
Turkish Airlines
BOS
5:50p
SOF
9:10p
27h 20m
1 stop
SOF
5:35p
BOS
9:45p
28h 10m
1 stop
Depart: Thu Apr 27 2017 Return: Fri May 12 2017 Trip spans 16 days
Major Airline
Major Airline
BOS
11:20a
SOF
10:25p
11h 05m
1 stop
SOF
6:30a
BOS
7:50p
13h 20m
1 stop
Depart: Sun Apr 9 2017 Return: Fri May 5 2017 Trip spans 27 days
Turkish Airlines
Turkish Airlines
BOS
7:35p
SOF
9:45a
14h 10m
1 stop
SOF
6:00a
BOS
9:15p
15h 15m
1 stop
Depart: Mon Aug 21 2017 Return: Fri Sep 1 2017 Trip spans 12 days
Lufthansa
Lufthansa
BOS
4:20p
SOF
7:25a
15h 05m
1 stop
SOF
8:55a
BOS
9:35p
12h 40m
1 stop
Depart: Sun Apr 23 2017 Return: Fri May 5 2017 Trip spans 13 days
Turkish Airlines
Turkish Airlines
BOS
7:35p
SOF
9:45a
14h 10m
1 stop
SOF
6:00a
BOS
9:15p
15h 15m
1 stop
Depart: Wed Aug 16 2017 Return: Fri Sep 1 2017 Trip spans 17 days
British Airways
British Airways
BOS
3:50a
SOF
2:25a
22h 35m
1 stop
SOF
10:30a
BOS
10:35p
12h 05m
1 stop
Depart: Wed Apr 26 2017 Return: Sun May 7 2017 Trip spans 12 days
Turkish Airlines
Turkish Airlines
BOS
7:35p
SOF
9:45a
14h 10m
1 stop
SOF
5:40p
BOS
9:15p
27h 35m
1 stop
Depart: Tue May 2 2017 Return: Tue May 16 2017 Trip spans 15 days
Lufthansa
Lufthansa
BOS
4:20p
SOF
7:30a
15h 10m
1 stop
SOF
2:05a
BOS
9:35p
19h 30m
1 stop
Depart: Thu Aug 17 2017 Return: Fri Sep 1 2017 Trip spans 16 days
British Airways
British Airways
BOS
6:40p
SOF
2:10a
31h 30m
1 stop
SOF
10:30a
BOS
11:50p
13h 20m
1 stop
Depart: Fri Apr 28 2017 Return: Fri May 12 2017 Trip spans 15 days
Turkish Airlines
Turkish Airlines
BOS
7:35p
SOF
10:05p
26h 30m
1 stop
SOF
6:00a
BOS
9:15p
15h 15m
1 stop
Depart: Wed May 3 2017 Return: Thu Jun 29 2017 Trip spans 58 days
Lufthansa
Lufthansa
BOS
4:20p
SOF
7:25a
15h 05m
1 stop
SOF
2:05a
BOS
9:35p
19h 30m
1 stop
Depart: Fri Aug 18 2017 Return: Fri Sep 1 2017 Trip spans 15 days
British Airways
British Airways
BOS
3:20p
SOF
2:10a
10h 50m
1 stop
SOF
10:30a
BOS
10:35p
12h 05m
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

Boston
$538
Destination

Sofia
$538