Flights from United States to Bulgaria from $ 391*
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1 Passenger, Economy
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today
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Best prices for United flights from United States to Bulgaria
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*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply. Schedules are subject to change without notice.
Best business class fares from United States to Bulgaria
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Chicago (ORD)to
Sofia (SOF)
02/10/26 - 02/17/26
Roundtrip
Business
from
$Â 3,766
Viewed: 5 hours ago
Washington, D.C. (IAD)to
Sofia (SOF)
04/03/26 - 04/10/26
Roundtrip
Business
from
$Â 4,870
Viewed: 23 hours ago
San Francisco (SFO)to
Sofia (SOF)
07/22/26 - 08/19/26
Roundtrip
Business
from
$Â 4,552
Viewed: 1 day ago
Newark/New York (EWR)to
Sofia (SOF)
03/19/26 - 03/31/26
Roundtrip
Business
from
$Â 3,704
Viewed: 9 hours ago
*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply. Schedules are subject to change without notice.