Earn point on your loyalty program!arrow arc left

Cheap flights from Boston (BOS) to Sofia (SOF)

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

How to find the cheapest flight from Boston (BOS) to Sofia (SOF)

How to find the cheapest flight from Boston (BOS) to Sofia (SOF)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Boston (BOS) to Sofia (SOF)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Boston (BOS) to Sofia (SOF)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.

Cheap flights from Boston to Sofia in October , November 2026

24 Oct - 15 Nov $ 992.00
BOS
Boston
ITA Airways
1 STOPS
SOF
Sofia
SOF
Sofia
ITA Airways
1 STOPS
BOS
Boston
Pick dates
19 Oct - 17 Nov $ 1,025.00
BOS
Boston
United Airlines
2 STOPS
SOF
Sofia
SOF
Sofia
United Airlines
1 STOPS
BOS
Boston
Pick dates
26 Oct - 02 Nov $ 1,355.00
BOS
Boston
Lufthansa
1 STOPS
SOF
Sofia
SOF
Sofia
Lufthansa
1 STOPS
BOS
Boston
Pick dates

Last minute flights from Boston to Sofia

27 Oct - 31 Oct $ 1,163.00
BOS
Boston
Icelandair
3 STOPS
SOF
Sofia
SOF
Sofia
Icelandair
3 STOPS
BOS
Boston
Pick dates
28 Oct - 31 Oct $ 1,371.00
BOS
Boston
Lufthansa
1 STOPS
SOF
Sofia
SOF
Sofia
Lufthansa
1 STOPS
BOS
Boston
Pick dates
26 Oct - 31 Oct $ 1,376.00
BOS
Boston
Lufthansa
1 STOPS
SOF
Sofia
SOF
Sofia
Lufthansa
1 STOPS
BOS
Boston
Pick dates

One-way flights to Sofia from Boston

6:15 PM - 4:20 PM
Wizz Air
3 Stops
18h 55m
BOS - SOF
$ 399
Kiwi
Pick dates
9:00 PM - 2:55 PM
Turkish Airlines
1 Stops
12h 10m
BOS - SOF
$ 594
Kiwi
Pick dates
7:55 PM - 9:20 AM
Austrian Airlines
1 Stops
9h 55m
BOS - SOF
$ 633
Kiwi
Pick dates

How to find the cheapest flight from Boston (BOS) to Sofia (SOF)

Related info for your journey
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Boston (BOS) to Sofia (SOF)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Boston (BOS) to Sofia (SOF)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.