$301+ Cheap flights from the United States to Bulgaria
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SOF
Jun 14 — Jun 211
Round-trip
1 adult, Economy
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Find cheap flights from USA to Bulgaria with Cheapflights
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Cheapest flights from USA to BulgariaExplore the most affordable flight options available from USA to Bulgaria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 15, 2026.
Explore the most affordable flight options available from USA to Bulgaria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 15, 2026.
This Trip.com deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/11:50 pm
JFK
- SOF
1 stop18h 40m
Air Serbia
Sat 9/264:00 pm
SOF
- JFK
1 stop32h 30m
Air Serbia
Deal found 5/11![Air Serbia logo]()
$581
This Air Serbia deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/47:30 pm
JFK
- SOF
1 stop13h 00m
Air Serbia
Sun 9/204:00 pm
SOF
- JFK
1 stop26h 55m
Air Serbia
Deal found 5/11![Air Serbia logo]()
$585
This Kiwi.com deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/91:50 pm
JFK
- SOF
1 stop18h 40m
Air Serbia
Wed 9/234:00 pm
SOF
- JFK
1 stop32h 30m
Air Serbia
Deal found 5/11![Air Serbia logo]()
$586
This Air Serbia deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/91:50 pm
JFK
- SOF
1 stop18h 40m
Air Serbia
Sun 9/274:00 pm
SOF
- JFK
1 stop26h 55m
Air Serbia
Deal found 5/10![Air Serbia logo]()
$587
This Cheapflightsfares deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:10 pm
JFK
- SOF
1 stop10h 40m
Austrian Airlines
Tue 11/177:55 am
SOF
- JFK
1 stop13h 20m
Austrian Airlines
Deal found 5/11![Austrian Airlines logo]()
$604
This Air Serbia deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:30 pm
JFK
- SOF
1 stop13h 00m
Air Serbia
Fri 10/25:00 am
SOF
- JFK
1 stop19h 30m
Air Serbia
Deal found 5/12![Air Serbia logo]()
$605
This Air Serbia deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:30 pm
JFK
- SOF
1 stop13h 00m
Air Serbia
Tue 9/224:00 pm
SOF
- JFK
1 stop26h 55m
Air Serbia
Deal found 5/11![Air Serbia logo]()
$607
This Kiwi.com deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:30 pm
JFK
- SOF
1 stop13h 00m
Air Serbia
Thu 9/244:00 pm
SOF
- JFK
1 stop32h 30m
Air Serbia
Deal found 5/12![Air Serbia logo]()
$609
This FlightHub deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/210:35 pm
JFK
- SOF
1 stop32h 15m
LOT
Tue 11/172:35 pm
SOF
- JFK
1 stop13h 00m
LOT
Deal found 5/12![LOT logo]()
$611
This Kiwi.com deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2012:30 am
JFK
- SOF
1 stop12h 00m
Multiple Airlines
Thu 9/106:30 pm
SOF
- JFK
1 stop35h 00m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$614
This United Airlines deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/194:25 pm
LGA
- SOF
2 stops19h 15m
United Airlines
Wed 8/266:10 am
SOF
- LGA
2 stops19h 35m
United Airlines
Deal found 5/11![United Airlines logo]()
$631
This Air Canada deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/33:30 pm
LGA
- SOF
2 stops15h 15m
Air Canada
Tue 11/176:00 am
SOF
- LGA
2 stops20h 08m
Air Canada
Deal found 5/11![Air Canada logo]()
$651
Best flights from USA to BulgariaDiscover carefully curated flight deals from USA to Bulgaria that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 15, 2026.
Discover carefully curated flight deals from USA to Bulgaria that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 15, 2026.
This KLM deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/141:35 pm
BOS
- SOF
2 stops17h 25m
KLM
Tue 8/257:00 am
SOF
- BOS
1 stop16h 37m
KLM
Deal found 5/11![KLM logo]()
$664
This SWISS deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/137:35 pm
LAX
- SOF
2 stops30h 35m
SWISS
Tue 10/272:00 pm
SOF
- LAX
2 stops36h 35m
SWISS
Deal found 5/11![SWISS logo]()
$693
This United Airlines deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/272:51 pm
LGA
- SOF
2 stops14h 19m
United Airlines
Wed 8/196:10 am
SOF
- LGA
2 stops18h 15m
United Airlines
Deal found 5/11![United Airlines logo]()
$721
This oojo deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:50 pm
SEA
- SOF
1 stop18h 25m
Lufthansa
Tue 9/226:10 am
SOF
- SEA
1 stop20h 49m
Lufthansa
Deal found 5/15![Lufthansa logo]()
$764
This British Airways deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/98:25 pm
ORD
- SOF
2 stops33h 00m
British Airways
Mon 9/218:10 pm
SOF
- ORD
2 stops31h 35m
British Airways
Deal found 5/12![British Airways logo]()
$870
This Air Serbia deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/271:50 pm
JFK
- SOF
1 stop18h 40m
Air Serbia
Mon 8/174:00 pm
SOF
- JFK
1 stop26h 55m
Air Serbia
Deal found 5/11![Air Serbia logo]()
$883
This Lufthansa deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/283:05 pm
LAX
- SOF
1 stop17h 05m
Multiple Airlines
Mon 7/277:00 pm
SOF
- LAX
1 stop31h 20m
Multiple Airlines
Deal found 5/15![Multiple Airlines logo]()
$947
This KLM deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/126:15 pm
JFK
- SOF
1 stop12h 45m
KLM
Tue 9/87:00 am
SOF
- JFK
1 stop14h 35m
KLM
Deal found 5/13![KLM logo]()
$690
This United Airlines deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/88:30 pm
JFK
- SOF
2 stops14h 30m
United Airlines
Tue 9/296:10 am
SOF
- JFK
2 stops17h 25m
United Airlines
Deal found 5/15![United Airlines logo]()
$736
This KLM deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/277:00 pm
BOS
- SOF
1 stop12h 00m
KLM
Mon 8/317:00 am
SOF
- BOS
1 stop16h 37m
KLM
Deal found 5/12![KLM logo]()
$720
This Lufthansa deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/18:05 pm
BOS
- SOF
1 stop20h 10m
Lufthansa
Tue 8/257:25 pm
SOF
- BOS
1 stop29h 15m
Lufthansa
Deal found 5/15![Lufthansa logo]()
$798
This United Airlines deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/186:50 pm
SEA
- SOF
1 stop13h 50m
United Airlines
Thu 10/226:30 am
SOF
- SEA
2 stops17h 52m
United Airlines
Deal found 5/15![United Airlines logo]()
$766
This KLM deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/71:35 pm
BOS
- SOF
2 stops17h 25m
KLM
Tue 8/257:00 am
SOF
- BOS
1 stop13h 18m
KLM
Deal found 5/11![KLM logo]()
$739
This British Airways deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/46:00 pm
BOS
- SOF
2 stops19h 10m
British Airways
Mon 7/138:10 pm
SOF
- BOS
2 stops29h 56m
British Airways
Deal found 5/12![British Airways logo]()
$932
This Lufthansa deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/266:50 pm
SEA
- SOF
1 stop13h 50m
Lufthansa
Fri 8/217:25 pm
SOF
- SEA
1 stop31h 34m
Lufthansa
Deal found 5/14![Lufthansa logo]()
$848
This United Airlines deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/192:55 pm
LGA
- SOF
2 stops14h 15m
United Airlines
Sun 8/306:10 am
SOF
- LGA
2 stops19h 15m
United Airlines
Deal found 5/11![United Airlines logo]()
$771
This Lufthansa deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/288:30 pm
EWR
- SOF
1 stop15h 10m
Multiple Airlines
Tue 8/251:05 pm
SOF
- EWR
1 stop14h 10m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$952
This KLM deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/69:50 am
SEA
- SOF
2 stops18h 10m
KLM
Tue 9/227:00 am
SOF
- SEA
1 stop14h 47m
KLM
Deal found 5/13![KLM logo]()
$772
This United Airlines deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/114:15 pm
JFK
- SOF
2 stops19h 25m
United Airlines
Fri 10/26:10 am
SOF
- JFK
2 stops17h 25m
United Airlines
Deal found 5/15![United Airlines logo]()
$776
This SWISS deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/227:35 pm
LAX
- SOF
1 stop28h 45m
SWISS
Tue 7/211:05 pm
SOF
- LAX
2 stops42h 50m
SWISS
Deal found 5/15![SWISS logo]()
$1,054
This KLM deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/46:15 pm
JFK
- SOF
1 stop12h 45m
Multiple Airlines
Sun 7/267:00 am
SOF
- JFK
1 stop17h 10m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$985
This United Airlines deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/65:15 pm
EWR
- SOF
1 stop11h 55m
United Airlines
Wed 9/912:55 pm
SOF
- EWR
1 stop12h 50m
United Airlines
Deal found 5/11![United Airlines logo]()
$777
This United Airlines deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/69:00 am
SEA
- SOF
2 stops28h 15m
United Airlines
Tue 9/226:10 am
SOF
- SEA
2 stops37h 26m
United Airlines
Deal found 5/15![United Airlines logo]()
$780
This KLM deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/51:27 pm
MDW
- SOF
2 stops16h 33m
KLM
Wed 10/77:00 am
SOF
- MDW
2 stops17h 25m
KLM
Deal found 5/10![KLM logo]()
$878
This United Airlines deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/169:30 am
BOS
- SOF
2 stops19h 40m
United Airlines
Sun 10/46:10 am
SOF
- BOS
2 stops23h 30m
United Airlines
Deal found 5/15![United Airlines logo]()
$789
This KLM deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/91:27 pm
MDW
- SOF
2 stops16h 33m
KLM
Mon 8/317:00 am
SOF
- MDW
2 stops17h 27m
KLM
Deal found 5/12![KLM logo]()
$878
This United Airlines deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1211:10 pm
SEA
- SOF
2 stops26h 30m
United Airlines
Tue 9/156:10 am
SOF
- SEA
1 stop15h 45m
United Airlines
Deal found 5/12![United Airlines logo]()
$791
This KLM deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/31:00 pm
MDW
- SOF
2 stops17h 05m
KLM
Tue 11/177:00 am
SOF
- MDW
2 stops17h 50m
KLM
Deal found 5/14![KLM logo]()
$897
This United Airlines deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/92:51 pm
LGA
- SOF
2 stops15h 44m
United Airlines
Mon 8/316:20 am
SOF
- LGA
2 stops24h 10m
United Airlines
Deal found 5/13![United Airlines logo]()
$792
This KLM deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/212:29 pm
IAD
- SOF
2 stops18h 31m
KLM
Tue 8/117:00 am
SOF
- IAD
2 stops18h 33m
KLM
Deal found 5/11![KLM logo]()
$902
Last-minute flights from USA to BulgariaDiscover last-minute flight deals from USA to Bulgaria. Data last updated May 15, 2026 and is based on user searches.
Discover last-minute flight deals from USA to Bulgaria. Data last updated May 15, 2026 and is based on user searches.
This Air France deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/157:00 pm
BOS
- SOF
1 stop12h 00m
Air France
Tue 6/27:00 am
SOF
- BOS
1 stop13h 37m
Air France
Deal found 5/13![Air France logo]()
$738
This Expedia deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1710:45 am
BOS
- SOF
2 stops29h 30m
Multiple Airlines
Tue 5/266:55 pm
SOF
- BOS
1 stop25h 55m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$723
This Gotogate deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/199:00 am
JFK
- SOF
2 stops26h 40m
Multiple Airlines
Thu 5/2811:05 am
SOF
- JFK
1 stop12h 30m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$652
This Lufthansa deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/195:30 pm
LAX
- SOF
1 stop15h 10m
Lufthansa
Wed 6/176:20 am
SOF
- LAX
1 stop20h 00m
Lufthansa
Deal found 5/15![Lufthansa logo]()
$750
This Kiwi.com deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/11:10 am
JFK
- SOF
1 stop15h 30m
Multiple Airlines
Wed 6/176:30 am
SOF
- JFK
2 stops23h 30m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$705
This Kiwi.com deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/411:55 pm
BOS
- SOF
1 stop18h 40m
Multiple Airlines
Thu 7/95:45 am
SOF
- BOS
1 stop23h 00m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$724
This Kiwi.com deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/411:55 pm
BOS
- SOF
2 stops18h 20m
Multiple Airlines
Tue 7/711:25 pm
SOF
- BOS
1 stop28h 40m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$728
This Kiwi.com deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/411:55 pm
BOS
- SOF
2 stops18h 20m
Multiple Airlines
Wed 7/89:40 pm
SOF
- BOS
1 stop31h 05m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$732
This Kiwi.com deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/46:20 pm
JFK
- SOF
1 stop19h 35m
Multiple Airlines
Wed 6/176:00 am
SOF
- JFK
1 stop24h 00m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$741
This Kiwi.com deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/2310:50 pm
BOS
- SOF
1 stop27h 55m
Multiple Airlines
Wed 9/29:40 pm
SOF
- BOS
1 stop30h 25m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$742
This Kiwi.com deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/2811:30 pm
BOS
- SOF
2 stops28h 40m
Multiple Airlines
Thu 7/1610:10 am
SOF
- BOS
1 stop18h 35m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$711
This Kiwi.com deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/2811:30 pm
BOS
- SOF
1 stop19h 05m
Multiple Airlines
Wed 7/156:30 am
SOF
- BOS
2 stops21h 35m
Multiple Airlines
Deal found 5/15![Multiple Airlines logo]()
$713
One-way flights from USA to BulgariaSearch for one-way flight options from USA to Bulgaria. Find affordable one-way fares based on user searches. Data last updated May 15, 2026.
Search for one-way flight options from USA to Bulgaria. Find affordable one-way fares based on user searches. Data last updated May 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/47:30 pm
JFK
- SOF
1 stop13h 00m
Air Serbia
Deal found 5/12![Air Serbia logo]()
$301
This Kiwi.com deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/47:00 pm
SEA
- SOF
3 stops44h 15m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$314
This Kiwi.com deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/168:50 pm
BOS
- SOF
3 stops36h 30m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$318
This Kiwi.com deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/86:20 pm
JFK
- SOF
2 stops33h 50m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$318
This Kiwi.com deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/208:30 pm
JFK
- SOF
3 stops21h 45m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/76:20 pm
JFK
- SOF
2 stops14h 25m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$323
This Mytrip deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:05 pm
ORD
- SOF
1 stop34h 20m
British Airways
Deal found 5/14![British Airways logo]()
$324
This Kiwi.com deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/37:00 pm
SEA
- SOF
3 stops34h 45m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$327
This Kiwi.com deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/111:50 pm
JFK
- SOF
2 stops40h 45m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$329
This Cheapflightsfares deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/237:05 pm
ORD
- SOF
1 stop16h 15m
British Airways
Deal found 5/12![British Airways logo]()
$330
This Kiwi.com deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/95:30 pm
LAX
- SOF
2 stops20h 25m
Austrian Airlines
Deal found 5/15![Austrian Airlines logo]()
$331
This Kiwi.com deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1712:30 am
JFK
- SOF
1 stop15h 40m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$331
Find flight deals from USA to Bulgaria
Keep the following information in mind while searching for USA to Bulgaria flight deals. Data was last updated May 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $614 (Kiwi.com) |
One-way from | $301 (Kiwi.com) |
Popular in | December |
Cheapest in | February |
Average price | $697 |
Cheapflights Fare Finder
Customize your flight search to find flights from USA to Bulgaria that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 15, 2026.
Use the filters below to find and compare flights from the United States to Bulgaria that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BostonSofia
BOS - SOF
BOSSOF
Boston Logan Intl
Tue 7/14
1:35 pm-2:00 pm
2 stops17h 25m
Sofia
Tue 8/25
7:00 am-4:37 pm
1 stop16h 37m
$664
New YorkSofia
JFK - SOF
JFKSOF
New York John F Kennedy Intl
Sun 7/12
6:15 pm-2:00 pm
1 stop12h 45m
Sofia
Tue 9/8
7:00 am-2:35 pm
1 stop14h 35m
$690
Los AngelesSofia
LAX - SOF
LAXSOF
Los Angeles
Tue 10/13
7:35 pm-12:10 pm
2 stops30h 35m
Sofia
Tue 10/27
2:00 pm-5:35 pm
2 stops36h 35m
$693
BostonSofia
BOS - SOF
BOSSOF
Boston Logan Intl
Mon 7/27
7:00 pm-2:00 pm
1 stop12h 00m
Sofia
Mon 8/31
7:00 am-4:37 pm
1 stop16h 37m
$720
New YorkSofia
LGA - SOF
LGASOF
New York LaGuardia
Mon 7/27
2:51 pm-12:10 pm
2 stops14h 19m
Sofia
Wed 8/19
6:10 am-5:25 pm
2 stops18h 15m
$721
New YorkSofia
JFK - SOF
JFKSOF
New York John F Kennedy Intl
Tue 9/8
8:30 pm-6:00 pm
2 stops14h 30m
Sofia
Tue 9/29
6:10 am-4:35 pm
2 stops17h 25m
$736
BostonSofia
BOS - SOF
BOSSOF
Boston Logan Intl
Tue 7/7
1:35 pm-2:00 pm
2 stops17h 25m
Sofia
Tue 8/25
7:00 am-1:18 pm
1 stop13h 18m
$739
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Sun 9/6
6:50 pm-11:15 pm
1 stop18h 25m
Sofia
Tue 9/22
6:10 am-4:59 pm
1 stop20h 49m
$764
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Sun 10/18
6:50 pm-6:40 pm
1 stop13h 50m
Sofia
Thu 10/22
6:30 am-2:22 pm
2 stops17h 52m
$766
New YorkSofia
LGA - SOF
LGASOF
New York LaGuardia
Wed 8/19
2:55 pm-12:10 pm
2 stops14h 15m
Sofia
Sun 8/30
6:10 am-6:25 pm
2 stops19h 15m
$771
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from USA to Bulgaria
Have a flexible travel schedule? Discover the best time to fly to Bulgaria from USA with our price prediction graph.
ORD-SOF
SEA-SOF
LAX-SOF
LGA-SOF
IAD-SOF
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from the United States to Bulgaria
US0-BG0
ORD-SOF
SEA-SOF
LAX-SOF
LGA-SOF
How far ahead should I book a flight from USA to Bulgaria?
To ensure you get the cheapest price possible for a flight from USA to Bulgaria, you should look to book at least 41 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from USA to Bulgaria?
Currently, April is the cheapest month in which you can book a flight from USA to Bulgaria (average of $662). Flying from USA to Bulgaria in June is currently the most expensive (average of $1,090). 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.
Reviews of airlines servicing Bulgaria
Get insights into the airlines that provide service to Bulgaria. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Bulgaria. Reviews last updated May 15, 2026.
See what other customers who have flown with KLM,LOT, andTurkish Airlines from the United States to Bulgaria have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.4
Entertainment
7.2
Overall
7.8
Food
7.3
Comfort
7.7
Boarding
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Crew
8.4
Entertainment
7.2
Overall
7.8
Food
7.3
Comfort
7.7
Boarding
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Crew
8.4
Entertainment
7.2
Overall
7.8
Food
7.3
Comfort
7.7
Boarding
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Crew
8.4
Entertainment
7.2
Overall
7.8
Food
7.3
Comfort
7.7
Boarding
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Crew
8.4
Entertainment
7.2
Overall
7.8
Food
7.3
Comfort
7.7
Boarding
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Crew
8.4
Entertainment
7.2
Overall
7.8
Food
7.3
Comfort
7.7
Boarding
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Related info for your journey
Find useful and relevant information for your journey from USA to Bulgaria. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for USA to Bulgaria
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Bulgaria by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from USA to Bulgaria by cabin class
Find flights from USA to Bulgaria, based on your preferred cabin class, be it economy, premium economy, business, or first class.
USA and Bulgaria flights
Browse other USA and Bulgaria flight options. Last updated on May 15, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Bulgaria
Find the right flight back to USA after your stay in Bulgaria
USA to Bulgaria flights
Consider these flights traveling from USA to Bulgaria.
Fly to Bulgaria regions
Consider these flights traveling to Bulgaria regions.
Top 10 airlines flying from USA to Bulgaria
Discover the top 10 airlines that operate flights from USA to Bulgaria. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$193 | Average$597 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$356 | Average$678 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$391 | Average$865 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$396 | Average$567 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$403 | Average$753 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$406 | Average$724 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$409 | Average$861 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$413 | Average$925 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$416 | Average$895 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$478 | Average$984 | FlexibilityNo cancel fee | On-time62% |