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

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1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from Boston (BOS) to Sofia (SOF)

How to find the cheapest flight from Boston (BOS) to Sofia (SOF)
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How to find the cheapest flight from Boston (BOS) to Sofia (SOF)
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How to find the cheapest flight from Boston (BOS) to Sofia (SOF)
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Cheap flights from Boston to Sofia in January , February 2026

26 Jan - 04 Feb $ 350.00
BOS
Boston
Lufthansa
1 STOPS
SOF
Sofia
SOF
Sofia
Lufthansa
1 STOPS
BOS
Boston
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11 Jan - 17 Feb $ 421.00
BOS
Boston
Austrian Airlines
1 STOPS
SOF
Sofia
SOF
Sofia
Austrian Airlines
1 STOPS
BOS
Boston
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11 Jan - 16 Feb $ 504.00
BOS
Boston
United Airlines
1 STOPS
SOF
Sofia
SOF
Sofia
United Airlines
1 STOPS
BOS
Boston
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Last minute flights from Boston to Sofia

23 Jan - 31 Jan $ 481.00
BOS
Boston
Austrian Airlines
1 STOPS
SOF
Sofia
SOF
Sofia
Austrian Airlines
2 STOPS
BOS
Boston
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19 Jan - 31 Jan $ 939.00
BOS
Boston
Turkish Airlines
1 STOPS
SOF
Sofia
SOF
Sofia
Turkish Airlines
1 STOPS
BOS
Boston
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19 Jan - 31 Jan $ 1,028.00
BOS
Boston
Lufthansa
1 STOPS
SOF
Sofia
SOF
Sofia
Lufthansa
1 STOPS
BOS
Boston
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One-way flights to Sofia from Boston

9:50 PM - 12:00 PM
Swiss International Air Lines
1 Stops
10h 25m
BOS - SOF
$ 207
Kiwi
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1:24 PM - 3:30 PM
United Airlines
2 Stops
21h 56m
BOS - SOF
$ 209
Kiwi
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8:40 PM - 3:30 PM
Lufthansa
1 Stops
14h 40m
BOS - SOF
$ 210
Kiwi
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How to find the cheapest flight from Boston (BOS) to Sofia (SOF)

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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.