$344+ Cheap flights from California 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 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SOF
Aug 6 — Aug 131
Round-trip
1 adult, Economy
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Cheapest flights from California to BulgariaExplore the most affordable flight options available from California to Bulgaria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 7, 2026.
Explore the most affordable flight options available from California to Bulgaria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 7, 2026.
This Mytrip deal was found by Cheapflights users on 7/5. 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.
Mon 9/144:30 pm
SFO
- SOF
2 stops23h 05m
Multiple Airlines
Wed 9/239:40 pm
SOF
- SFO
2 stops26h 50m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$682
This Gotogate deal was found by Cheapflights users on 7/6. 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.
Wed 11/48:25 am
SFO
- SOF
2 stops18h 50m
Multiple Airlines
Wed 11/186:25 am
SOF
- SFO
2 stops19h 41m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$720
This Gotogate deal was found by Cheapflights users on 7/2. 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 11/39:40 pm
SFO
- SOF
1 stop15h 05m
Lufthansa
Tue 11/176:25 am
SOF
- SFO
1 stop16h 10m
Lufthansa
Deal found 7/2![Lufthansa logo]()
$727
This Gotogate deal was found by Cheapflights users on 7/2. 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 11/39:00 am
SFO
- SOF
2 stops23h 20m
Multiple Airlines
Tue 11/172:00 pm
SOF
- SFO
1 stop15h 35m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$729
This Gotogate deal was found by Cheapflights users on 7/3. 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 12/19:40 pm
SFO
- SOF
1 stop15h 05m
Multiple Airlines
Tue 12/156:00 am
SOF
- SFO
2 stops24h 32m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$731
This Gotogate deal was found by Cheapflights users on 7/4. 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.
Wed 12/28:25 am
SFO
- SOF
2 stops18h 50m
Multiple Airlines
Wed 12/162:00 pm
SOF
- SFO
1 stop15h 35m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$733
This oojo deal was found by Cheapflights users on 7/4. 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.
Tue 12/89:40 pm
SFO
- SOF
1 stop15h 05m
Lufthansa
Tue 1/196:25 am
SOF
- SFO
1 stop16h 10m
Lufthansa
Deal found 7/4![Lufthansa logo]()
$734
This Gotogate deal was found by Cheapflights users on 7/6. 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.
Mon 12/78:25 am
SFO
- SOF
2 stops18h 50m
Multiple Airlines
Mon 12/217:05 pm
SOF
- SFO
1 stop34h 30m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$738
This oojo deal was found by Cheapflights users on 7/4. 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.
Mon 11/29:40 pm
SFO
- SOF
1 stop15h 05m
Lufthansa
Mon 11/167:05 pm
SOF
- SFO
1 stop34h 30m
Lufthansa
Deal found 7/4![Lufthansa logo]()
$741
This United Airlines deal was found by Cheapflights users on 7/2. 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 12/78:10 am
SNA
- SOF
2 stops19h 05m
United Airlines
Wed 12/96:25 am
SOF
- SNA
2 stops23h 43m
United Airlines
Deal found 7/2![United Airlines logo]()
$750
This United Airlines deal was found by Cheapflights users on 7/5. 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 12/68:10 am
SNA
- SOF
2 stops19h 00m
United Airlines
Wed 12/96:25 am
SOF
- SNA
2 stops24h 15m
United Airlines
Deal found 7/5![United Airlines logo]()
$751
This Kiwi.com deal was found by Cheapflights users on 7/3. 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 8/107:35 pm
LAX
- VAR
1 stop14h 35m
SWISS
Tue 8/189:10 pm
VAR
- LAX
1 stop29h 20m
SWISS
Deal found 7/3![SWISS logo]()
$784
Best flights from California to BulgariaDiscover carefully curated flight deals from California to Bulgaria that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 7, 2026.
Discover carefully curated flight deals from California to Bulgaria that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 7, 2026.
This Air Canada deal was found by Cheapflights users on 7/7. 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 12/86:30 am
SFO
- SOF
2 stops25h 50m
Air Canada
Tue 1/196:25 am
SOF
- SFO
2 stops41h 26m
Air Canada
Deal found 7/7![Air Canada logo]()
$747
This United Airlines deal was found by Cheapflights users on 7/1. 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 12/711:00 am
SNA
- SOF
2 stops25h 45m
United Airlines
Wed 12/92:05 pm
SOF
- SNA
3 stops29h 10m
United Airlines
Deal found 7/1![United Airlines logo]()
$750
This Lufthansa deal was found by Cheapflights users on 7/5. 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.
Wed 8/196:28 pm
SAN
- SOF
2 stops18h 47m
Lufthansa
Wed 8/266:10 am
SOF
- SAN
1 stop19h 15m
Lufthansa
Deal found 7/5![Lufthansa logo]()
$820
This United deal was found by Cheapflights users on 7/3. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/95:15 pm
SAN
- SOF
1 stop15h 25m
Multiple Airlines
Mon 8/247:25 pm
SOF
- SAN
1 stop30h 00m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$820
This Turkish Airlines deal was found by Cheapflights users on 7/7. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:45 pm
SFO
- SOF
1 stop34h 15m
Turkish Airlines
Wed 9/239:10 pm
SOF
- SFO
1 stop29h 30m
Turkish Airlines
Deal found 7/7![Turkish Airlines logo]()
$860
This KAYAK deal was found by Cheapflights users on 7/4. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/29:05 pm
SFO
- VAR
2 stops32h 10m
Austrian Airlines
Thu 9/248:30 pm
VAR
- SFO
2 stops32h 38m
Austrian Airlines
Deal found 7/4![Austrian Airlines logo]()
$886
This SWISS deal was found by Cheapflights users on 7/5. 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.
Wed 9/2311:15 am
LAX
- SOF
3 stops41h 50m
SWISS
Tue 9/2912:55 pm
SOF
- LAX
2 stops37h 35m
SWISS
Deal found 7/5![SWISS logo]()
$961
This United Airlines deal was found by Cheapflights users on 7/5. 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 12/68:10 am
SNA
- SOF
2 stops19h 00m
United Airlines
Wed 12/96:25 am
SOF
- SNA
2 stops24h 15m
United Airlines
Deal found 7/5![United Airlines logo]()
$751
This United deal was found by Cheapflights users on 7/6. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/81:55 pm
SFO
- SOF
1 stop18h 45m
Multiple Airlines
Tue 9/226:10 am
SOF
- SFO
2 stops22h 21m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$824
This Justfly.com deal was found by Cheapflights users on 7/7. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/14:40 pm
SFO
- SOF
2 stops39h 25m
Air Canada
Wed 9/236:20 am
SOF
- SFO
2 stops23h 29m
Air Canada
Deal found 7/7![Air Canada logo]()
$844
This United Airlines deal was found by Cheapflights users on 7/6. 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 10/145:00 am
SFO
- SOF
2 stops21h 10m
United Airlines
Wed 10/286:00 am
SOF
- SFO
1 stop18h 50m
United Airlines
Deal found 7/6![United Airlines logo]()
$769
This oojo deal was found by Cheapflights users on 7/2. 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.
Tue 8/112:40 pm
SFO
- VAR
1 stop18h 35m
Lufthansa
Tue 9/1511:45 am
VAR
- SFO
1 stop34h 55m
Lufthansa
Deal found 7/2![Lufthansa logo]()
$846
This United deal was found by Cheapflights users on 7/2. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/95:15 pm
SAN
- SOF
1 stop15h 25m
Multiple Airlines
Mon 9/77:25 pm
SOF
- SAN
1 stop30h 00m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$835
This KAYAK deal was found by Cheapflights users on 7/4. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/54:08 pm
SNA
- SOF
2 stops16h 12m
Lufthansa
Thu 11/192:00 pm
SOF
- SNA
2 stops18h 05m
Lufthansa
Deal found 7/4![Lufthansa logo]()
$847
This United Airlines deal was found by Cheapflights users on 7/4. 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 12/510:45 pm
SFO
- SOF
2 stops38h 00m
United Airlines
Sat 12/196:00 am
SOF
- SFO
1 stop23h 35m
United Airlines
Deal found 7/4![United Airlines logo]()
$806
This Turkish Airlines deal was found by Cheapflights users on 7/3. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/128:10 pm
LAX
- VAR
1 stop26h 20m
Turkish Airlines
Tue 9/229:20 am
VAR
- LAX
1 stop36h 20m
Turkish Airlines
Deal found 7/3![Turkish Airlines logo]()
$982
This United deal was found by Cheapflights users on 7/3. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/259:44 am
LAS
- SOF
2 stops23h 36m
Multiple Airlines
Sun 11/226:25 am
SOF
- LAS
1 stop18h 10m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$838
This oojo deal was found by Cheapflights users on 7/3. 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.
Mon 8/310:45 am
LAS
- SOF
2 stops26h 30m
Lufthansa
Tue 8/187:25 pm
SOF
- LAS
2 stops30h 55m
Lufthansa
Deal found 7/3![Lufthansa logo]()
$856
This Turkish Airlines deal was found by Cheapflights users on 7/3. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/412:45 pm
LAX
- VAR
1 stop34h 30m
Turkish Airlines
Tue 12/810:05 am
VAR
- LAX
1 stop16h 30m
Turkish Airlines
Deal found 7/3![Turkish Airlines logo]()
$982
This United Airlines deal was found by Cheapflights users on 7/4. 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 8/52:20 pm
SFO
- SOF
2 stops22h 55m
United Airlines
Wed 8/196:20 am
SOF
- SFO
2 stops21h 03m
United Airlines
Deal found 7/4![United Airlines logo]()
$821
This oojo deal was found by Cheapflights users on 7/4. 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.
Tue 8/112:40 pm
SFO
- VAR
1 stop18h 35m
Multiple Airlines
Tue 9/154:00 pm
VAR
- SFO
2 stops30h 40m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$845
This oojo deal was found by Cheapflights users on 7/2. 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.
Wed 9/302:23 pm
LAS
- SOF
2 stops18h 17m
Lufthansa
Wed 10/146:20 am
SOF
- LAS
1 stop20h 00m
Lufthansa
Deal found 7/2![Lufthansa logo]()
$858
This Turkish Airlines deal was found by Cheapflights users on 7/3. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/148:10 pm
LAX
- VAR
1 stop26h 20m
Turkish Airlines
Mon 9/219:20 am
VAR
- LAX
1 stop36h 20m
Turkish Airlines
Deal found 7/3![Turkish Airlines logo]()
$982
This United Airlines deal was found by Cheapflights users on 7/2. 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 9/62:20 pm
SFO
- SOF
2 stops22h 55m
United Airlines
Tue 9/2212:55 pm
SOF
- SFO
1 stop16h 05m
United Airlines
Deal found 7/2![United Airlines logo]()
$829
This United deal was found by Cheapflights users on 7/4. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/138:55 am
SNA
- SOF
2 stops23h 45m
Multiple Airlines
Sun 12/66:25 am
SOF
- SNA
3 stops36h 50m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$852
This oojo deal was found by Cheapflights users on 7/5. 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.
Mon 8/176:05 pm
LAS
- SOF
2 stops19h 10m
Lufthansa
Wed 10/216:20 am
SOF
- LAS
1 stop20h 00m
Lufthansa
Deal found 7/5![Lufthansa logo]()
$868
This Turkish Airlines deal was found by Cheapflights users on 7/5. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/108:10 pm
LAX
- VAR
1 stop27h 00m
Turkish Airlines
Sat 9/1910:10 pm
VAR
- LAX
1 stop23h 30m
Turkish Airlines
Deal found 7/5![Turkish Airlines logo]()
$1,002
This United Airlines deal was found by Cheapflights users on 7/3. 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 8/49:05 pm
SFO
- SOF
1 stop16h 10m
United Airlines
Tue 8/186:10 am
SOF
- SFO
2 stops25h 35m
United Airlines
Deal found 7/3![United Airlines logo]()
$834
This United deal was found by Cheapflights users on 7/4. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/204:14 pm
SNA
- SOF
2 stops21h 01m
Multiple Airlines
Sun 12/136:25 am
SOF
- SNA
2 stops40h 20m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$859
This Justfly.com deal was found by Cheapflights users on 7/2. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/263:07 pm
LAS
- SOF
2 stops22h 08m
Lufthansa
Wed 9/166:20 am
SOF
- LAS
1 stop20h 00m
Lufthansa
Deal found 7/2![Lufthansa logo]()
$883
Last-minute flights from California to BulgariaDiscover last-minute flight deals from California to Bulgaria. Data last updated July 7, 2026 and is based on user searches.
Discover last-minute flight deals from California to Bulgaria. Data last updated July 7, 2026 and is based on user searches.
This Gotogate deal was found by Cheapflights users on 7/3. 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.
Sun 8/97:00 am
SAN
- SOF
2 stops25h 40m
Multiple Airlines
Mon 8/247:25 pm
SOF
- SAN
1 stop30h 00m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$804
This oojo deal was found by Cheapflights users on 7/3. 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 8/95:15 pm
SAN
- SOF
1 stop15h 25m
Lufthansa
Mon 8/247:25 pm
SOF
- SAN
1 stop30h 00m
Lufthansa
Deal found 7/3![Lufthansa logo]()
$808
This Kiwi.com deal was found by Cheapflights users on 7/3. 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 8/107:35 pm
LAX
- VAR
1 stop14h 35m
SWISS
Tue 8/189:10 pm
VAR
- LAX
1 stop29h 20m
SWISS
Deal found 7/3![SWISS logo]()
$784
This oojo deal was found by Cheapflights users on 7/2. 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.
Tue 8/119:05 pm
SFO
- SOF
1 stop16h 10m
Lufthansa
Tue 9/156:10 am
SOF
- SFO
1 stop22h 50m
Lufthansa
Deal found 7/2![Lufthansa logo]()
$805
This Mytrip deal was found by Cheapflights users on 7/6. 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.
Tue 8/184:30 pm
SFO
- SOF
2 stops23h 05m
Multiple Airlines
Tue 8/2511:25 pm
SOF
- SFO
2 stops25h 05m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$764
This oojo deal was found by Cheapflights users on 7/6. 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.
Tue 8/189:05 pm
SFO
- SOF
1 stop16h 10m
Lufthansa
Tue 8/256:10 am
SOF
- SFO
1 stop22h 50m
Lufthansa
Deal found 7/6![Lufthansa logo]()
$788
This United Airlines deal was found by Cheapflights users on 7/4. 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 8/182:00 pm
SFO
- SOF
1 stop23h 15m
United Airlines
Tue 8/256:10 am
SOF
- SFO
1 stop22h 50m
United Airlines
Deal found 7/4![United Airlines logo]()
$808
This Air Canada deal was found by Cheapflights users on 7/5. 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.
Wed 8/197:00 am
SAN
- SOF
2 stops25h 40m
Air Canada
Wed 8/266:20 am
SOF
- SAN
2 stops19h 50m
Air Canada
Deal found 7/5![Air Canada logo]()
$809
This oojo deal was found by Cheapflights users on 7/2. 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 8/239:05 pm
SFO
- SOF
1 stop16h 10m
Lufthansa
Wed 9/236:20 am
SOF
- SFO
1 stop16h 20m
Lufthansa
Deal found 7/2![Lufthansa logo]()
$804
This Kiwi.com deal was found by Cheapflights users on 7/4. 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 8/249:05 pm
SFO
- SOF
1 stop16h 10m
Multiple Airlines
Mon 9/73:40 pm
SOF
- SFO
1 stop34h 35m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$798
This Mytrip deal was found by Cheapflights users on 7/2. 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.
Tue 8/254:45 pm
SFO
- SOF
2 stops20h 50m
Multiple Airlines
Tue 9/82:50 pm
SOF
- SFO
2 stops33h 50m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$767
This Kiwi.com deal was found by Cheapflights users on 7/3. 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 8/269:05 pm
SFO
- SOF
1 stop16h 10m
Multiple Airlines
Wed 9/98:00 am
SOF
- SFO
2 stops21h 00m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$802
One-way flights from California to BulgariaSearch for one-way flight options from California to Bulgaria. Find affordable one-way fares based on user searches. Data last updated July 7, 2026.
Search for one-way flight options from California to Bulgaria. Find affordable one-way fares based on user searches. Data last updated July 7, 2026.
This British Airways deal was found by Cheapflights users on 7/3. 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.
Sun 10/184:35 pm
SFO
- SOF
1 stop16h 45m
British Airways
Deal found 7/3![British Airways logo]()
$344
This Kiwi.com deal was found by Cheapflights users on 7/3. 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 10/189:05 pm
SFO
- SOF
2 stops16h 50m
Austrian Airlines
Deal found 7/3![Austrian Airlines logo]()
$346
This FlightHub deal was found by Cheapflights users on 7/3. 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.
Sat 10/174:35 pm
SFO
- SOF
2 stops40h 05m
Air Canada
Deal found 7/3![Air Canada logo]()
$354
This Kiwi.com deal was found by Cheapflights users on 7/5. 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 8/44:45 pm
LAX
- SOF
3 stops32h 50m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$355
This Kiwi.com deal was found by Cheapflights users on 7/5. 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 7/284:45 pm
LAX
- SOF
3 stops32h 50m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$357
This United Airlines deal was found by Cheapflights users on 7/3. 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 10/1710:40 pm
SFO
- SOF
2 stops27h 30m
United Airlines
Deal found 7/3![United Airlines logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 10/1510:25 am
SAN
- SOF
3 stops52h 50m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$370
This Kiwi.com deal was found by Cheapflights users on 7/6. 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 7/194:40 pm
LAX
- SOF
2 stops37h 10m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$372
This Kiwi.com deal was found by Cheapflights users on 7/3. 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 8/109:42 pm
LAS
- VAR
3 stops48h 48m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$373
This Kiwi.com deal was found by Cheapflights users on 7/6. 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 7/207:35 pm
LAX
- SOF
3 stops42h 45m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$375
This Mytrip deal was found by Cheapflights users on 7/3. 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.
Tue 8/48:10 am
SFO
- VAR
2 stops28h 45m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$383
This Kiwi.com deal was found by Cheapflights users on 7/6. 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 7/214:45 pm
LAX
- SOF
2 stops30h 30m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$384
Find flight deals from California to Bulgaria
Keep the following information in mind while searching for California to Bulgaria flight deals. Data was last updated July 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $682 (Mytrip) |
One-way from | $344 (British Airways) |
Popular in | June |
Cheapest in | November |
Average price | $910 |
Cheapflights Fare Finder
Customize your flight search to find flights from California 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 July 7, 2026.
Use the filters below to find and compare flights from California to Bulgaria that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San FranciscoSofia
SFO - SOF
SFOSOF
San Francisco
Tue 12/8
6:30 am-6:20 pm
2 stops25h 50m
Sofia
Tue 1/19
6:25 am-1:51 pm
2 stops41h 26m
$747
Santa AnaSofia
SNA - SOF
SNASOF
Santa Ana J. Wayne/Orange Cnty
Mon 12/7
11:00 am-10:45 pm
2 stops25h 45m
Sofia
Wed 12/9
2:05 pm-9:15 am
3 stops29h 10m
$750
Santa AnaSofia
SNA - SOF
SNASOF
Santa Ana J. Wayne/Orange Cnty
Sun 12/6
8:10 am-1:10 pm
2 stops19h 00m
Sofia
Wed 12/9
6:25 am-8:40 pm
2 stops24h 15m
$751
San FranciscoSofia
SFO - SOF
SFOSOF
San Francisco
Wed 10/14
5:00 am-12:10 pm
2 stops21h 10m
Sofia
Wed 10/28
6:00 am-3:50 pm
1 stop18h 50m
$769
San FranciscoSofia
SFO - SOF
SFOSOF
San Francisco
Sat 12/5
10:45 pm-10:45 pm
2 stops38h 00m
Sofia
Sat 12/19
6:00 am-7:35 pm
1 stop23h 35m
$806
San DiegoSofia
SAN - SOF
SANSOF
San Diego
Wed 8/19
6:28 pm-11:15 pm
2 stops18h 47m
Sofia
Wed 8/26
6:10 am-3:25 pm
1 stop19h 15m
$820
San DiegoSofia
SAN - SOF
SANSOF
San Diego
Sun 8/9
5:15 pm-6:40 pm
1 stop15h 25m
Sofia
Mon 8/24
7:25 pm-3:25 pm
1 stop30h 00m
$820
San FranciscoSofia
SFO - SOF
SFOSOF
San Francisco
Wed 8/5
2:20 pm-11:15 pm
2 stops22h 55m
Sofia
Wed 8/19
6:20 am-5:23 pm
2 stops21h 03m
$821
San FranciscoSofia
SFO - SOF
SFOSOF
San Francisco
Tue 9/8
1:55 pm-6:40 pm
1 stop18h 45m
Sofia
Tue 9/22
6:10 am-6:31 pm
2 stops22h 21m
$824
San FranciscoSofia
SFO - SOF
SFOSOF
San Francisco
Sun 9/6
2:20 pm-11:15 pm
2 stops22h 55m
Sofia
Tue 9/22
12:55 pm-7:00 pm
1 stop16h 05m
$829
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from California to Bulgaria
Have a flexible travel schedule? Discover the best time to fly to Bulgaria from California with our price prediction graph.
SFO-SOF
LAX-SOF
SAN-SOF
LAX-VAR
LAS-VAR
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 California to Bulgaria
USCA-BG0
SFO-SOF
LAX-SOF
SAN-SOF
LAX-VAR
What is the cheapest month to book a flight from California to Bulgaria?
Currently, May is the cheapest month in which you can book a flight from California to Bulgaria (average of $381). Flying from California to Bulgaria in June is currently the most expensive (average of $646). 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.
How far ahead should I book a flight from California to Bulgaria?
Booking 35 days in advance of your planned departure date is, on average, the best time to get cheap flights from California to Bulgaria. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Related info for your journey
Find useful and relevant information for your journey from California 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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Complete your trip
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Top regions
Alternative routes for California 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 California to Bulgaria by cabin class
Find flights from California to Bulgaria, based on your preferred cabin class, be it economy, premium economy, business, or first class.
California and Bulgaria flights
Browse other California and Bulgaria flight options. Last updated on July 7, 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 California after your stay in Bulgaria
California to Bulgaria flights
Consider these flights traveling from California to Bulgaria.
Fly to Bulgaria regions
Consider these flights traveling to Bulgaria regions.
Top 7 airlines flying from California to Bulgaria
Discover the top 7 airlines that operate flights from California 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 July 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$391 | Average$791 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$516 | Average$773 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$527 | Average$1,098 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$543 | Average$822 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$547 | Average$721 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$591 | Average$1,167 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$650 | Average$940 | FlexibilityNo cancel fee | On-time78% |