Find Cheap 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: Mon May 8 2017 Return: Tue Jun 6 2017 Trip spans 30 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 28 2017 Return: Thu Sep 7 2017 Trip spans 11 days
SWISS
SWISS
BOS
5:45p
SOF
9:25a
15h 40m
1 stop
SOF
6:20a
BOS
10:55p
16h 35m
1 stop
Depart: Mon Jun 5 2017 Return: Fri Jun 16 2017 Trip spans 12 days
Lufthansa
Lufthansa
BOS
4:20p
SOF
11:35a
19h 15m
1 stop
SOF
3:20p
BOS
9:35p
30h 15m
1 stop
Depart: Tue Aug 8 2017 Return: Thu Aug 24 2017 Trip spans 17 days
Major Airline
Major Airline
BOS
2:15p
SOF
7:05a
16h 50m
1 stop
SOF
4:55a
BOS
5:35p
12h 40m
1 stop
Depart: Sun Jul 9 2017 Return: Sun Aug 20 2017 Trip spans 43 days
Alitalia
Alitalia
BOS
2:00a
SOF
3:20a
25h 20m
2 stops
SOF
3:05p
BOS
12:06a
33h 01m
2 stops
Depart: Fri May 26 2017 Return: Fri Jun 30 2017 Trip spans 36 days
British Airways
British Airways
BOS
6:40p
SOF
2:25a
31h 45m
1 stop
SOF
10:30a
BOS
1:20a
14h 50m
1 stop
Depart: Fri Jun 23 2017 Return: Mon Jul 17 2017 Trip spans 25 days
$1083
Select
Qatar Airways
Qatar Airways
BOS
5:50p
SOF
8:15a
38h 25m
1 stop
SOF
9:25a
BOS
5:40p
32h 15m
1 stop
Depart: Sun Aug 13 2017 Return: Sun Sep 24 2017 Trip spans 43 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 Aug 1 2017 Return: Thu Aug 31 2017 Trip spans 31 days
Lufthansa
Lufthansa
BOS
4:20p
SOF
7:30a
15h 10m
1 stop
SOF
8:55a
BOS
9:35p
12h 40m
1 stop
Depart: Wed Aug 30 2017 Return: Fri Oct 6 2017 Trip spans 38 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: Sun Aug 20 2017 Return: Thu Aug 31 2017 Trip spans 12 days
Lufthansa
Lufthansa
BOS
4:20p
SOF
7:30a
15h 10m
1 stop
SOF
8:55a
BOS
9:35p
12h 40m
1 stop
Depart: Thu Aug 31 2017 Return: Mon Sep 11 2017 Trip spans 12 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: Thu Aug 31 2017 Trip spans 11 days
Lufthansa
Lufthansa
BOS
4:20p
SOF
7:25a
15h 05m
1 stop
SOF
8:55a
BOS
9:35p
12h 40m
1 stop
Depart: Thu Oct 26 2017 Return: Sun Nov 5 2017 Trip spans 11 days
Turkish Airlines
Turkish Airlines
BOS
7:35p
SOF
10:05p
26h 30m
1 stop
SOF
4:35p
BOS
8:45p
28h 10m
1 stop
Depart: Tue Jul 4 2017 Return: Thu Aug 31 2017 Trip spans 59 days
Major Airline
Major Airline
BOS
1:30p
SOF
10:25p
32h 55m
1 stop
SOF
6:30a
BOS
12:30p
30h 00m
1 stop
Depart: Tue Aug 22 2017 Return: Thu Aug 31 2017 Trip spans 10 days
Lufthansa
Lufthansa
BOS
4:20p
SOF
7:30a
15h 10m
1 stop
SOF
2:05a
BOS
9:35p
19h 30m
1 stop
Depart: Mon Oct 30 2017 Return: Mon Dec 18 2017 Trip spans 50 days
Turkish Airlines
Turkish Airlines
BOS
7:50p
SOF
11:10p
27h 20m
1 stop
SOF
5:05a
BOS
8:45p
15h 40m
1 stop
Depart: Mon Jul 3 2017 Return: Tue Jul 25 2017 Trip spans 23 days
SWISS
SWISS
BOS
1:00p
SOF
9:25a
20h 25m
1 stop
SOF
5:05p
BOS
10:55p
29h 50m
1 stop
Depart: Sun Jun 18 2017 Return: Mon Jun 26 2017 Trip spans 9 days
British Airways
British Airways
BOS
3:20p
SOF
2:25a
11h 05m
1 stop
SOF
10:30a
BOS
4:30p
30h 00m
2 stops
Depart: Mon May 29 2017 Return: Wed Jul 26 2017 Trip spans 59 days
Lufthansa
Lufthansa
BOS
4:20p
SOF
11:35a
19h 15m
1 stop
SOF
10:10a
BOS
11:30p
13h 20m
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
$588
Destination

Sofia
$588