Round-trip from | $461 (United Airlines) |
---|---|
One-way from | $185 (Kiwi.com) |
Popular in | December |
Cheapest in | October |
Average price | $861 |
Fly from
Fly to
Route
Depart
Return
Price
BostonSofia
BOS - SOF
BOSSOF
Boston Logan Intl
Sun 12/7
8:40 pm-10:45 pm
1 stop19h 05m
Sofia
Sun 12/21
6:15 am-11:54 pm
2 stops24h 39m
BostonSofia
BOS - SOF
BOSSOF
Boston Logan Intl
Fri 10/10
5:20 pm-2:00 pm
1 stop13h 40m
Sofia
Fri 10/24
7:00 am-1:40 pm
1 stop13h 40m
BostonSofia
BOS - SOF
BOSSOF
Boston Logan Intl
Sun 8/31
5:05 pm-12:00 pm
2 stops11h 55m
Sofia
Mon 9/22
6:55 pm-5:47 pm
2 stops29h 52m
BostonSofia
BOS - SOF
BOSSOF
Boston Logan Intl
Thu 8/28
9:40 pm-10:05 am
1 stop29h 25m
Sofia
Thu 9/11
10:50 am-3:25 pm
1 stop11h 35m
BostonSofia
BOS - SOF
BOSSOF
Boston Logan Intl
Thu 11/6
8:40 pm-10:45 pm
1 stop19h 05m
Sofia
Thu 11/20
1:55 pm-6:35 pm
1 stop11h 40m
BostonSofia
BOS - SOF
BOSSOF
Boston Logan Intl
Mon 7/21
8:59 pm-12:05 pm
2 stops32h 06m
Sofia
Mon 8/25
12:55 pm-1:40 pm
1 stop31h 45m
BostonSofia
BOS - SOF
BOSSOF
Boston Logan Intl
Fri 10/3
6:00 am-1:25 pm
2 stops24h 25m
Sofia
Wed 10/8
6:00 am-10:39 pm
2 stops23h 39m
BostonSofia
BOS - SOF
BOSSOF
Boston Logan Intl
Sat 12/6
10:43 am-1:00 pm
2 stops19h 17m
Sofia
Sat 12/20
12:05 pm-7:45 pm
1 stop14h 40m
BostonSofia
BOS - SOF
BOSSOF
Boston Logan Intl
Tue 10/14
6:10 pm-5:50 pm
2 stops16h 40m
Sofia
Sat 10/18
2:05 pm-2:20 pm
2 stops31h 15m
BostonSofia
BOS - SOF
BOSSOF
Boston Logan Intl
Wed 10/15
11:00 pm-12:30 am
1 stop18h 30m
The best time to book flights from Boston to Sofia is 67 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Currently, November is the cheapest month in which you can book a flight from Boston to Sofia (average of $632). Flying from Boston to Sofia in June is currently the most expensive (average of $1,186). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
When flying from Boston to Sofia, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 21% versus a flight in the morning.
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Dominik,Jun 2025
VIE - VNO
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Dominik,Jun 2025
VIE - VNO
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Dominik,Jun 2025
VIE - VNO
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Dominik,Jun 2025
VIE - VNO
Crew
Food
Comfort
Boarding
Entertainment
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Dominik,Jun 2025
VIE - VNO
Crew
Food
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Boarding
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Dominik,Jun 2025
VIE - VNO
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$416 | Average$748 | FlexibilityNo cancel fee | On-time77% | |
Cheapest$457 | Average$823 | FlexibilityNo cancel fee | On-time75% | |
Cheapest$510 | Average$590 | FlexibilityNo cancel fee | On-time70% | |
Cheapest$511 | Average$614 | FlexibilityNo cancel fee | On-time77% | |
Cheapest$554 | Average$804 | FlexibilityNo cancel fee | On-time79% | |
Cheapest$578 | Average$840 | FlexibilityNo cancel fee | On-time69% | |
Cheapest$610 | Average$888 | FlexibilityNo cancel fee | On-time76% | |
Cheapest$639 | Average$1,009 | FlexibilityNo cancel fee | On-time78% |