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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 March , April 2026

22 Mar - 07 Apr $ 483.00
BOS
Boston
Air France
1 STOPS
SOF
Sofia
SOF
Sofia
Air France
1 STOPS
BOS
Boston
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16 Mar - 18 Apr $ 675.00
BOS
Boston
Level
1 STOPS
SOF
Sofia
SOF
Sofia
Level
1 STOPS
BOS
Boston
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08 Mar - 05 Apr $ 753.00
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

16 Mar - 01 Apr $ 605.00
BOS
Boston
Level
1 STOPS
SOF
Sofia
SOF
Sofia
Level
1 STOPS
BOS
Boston
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25 Mar - 01 Apr $ 717.00
BOS
Boston
Level
1 STOPS
SOF
Sofia
SOF
Sofia
Level
1 STOPS
BOS
Boston
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23 Mar - 31 Mar $ 768.00
BOS
Boston
SAS
2 STOPS
SOF
Sofia
SOF
Sofia
SAS
2 STOPS
BOS
Boston
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One-way flights to Sofia from Boston

5:20 PM - 7:05 AM
Swiss International Air Lines
1 Stops
10h
BOS - SOF
$ 416
Kiwi
Pick dates
7:25 PM - 9:20 AM
Austrian Airlines
1 Stops
10h 25m
BOS - SOF
$ 450
Kiwi
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7:25 PM - 9:20 AM
Austrian Airlines
1 Stops
10h 25m
BOS - SOF
$ 452
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.