$333+ 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SOF
Jun 21 — Jun 281
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from California to Bulgaria with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from California to Bulgaria
Cheapest
Best
Last-minute
One-way
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 May 22, 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 May 22, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/17. 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 10/75:30 pm
LAX
- SOF
1 stop15h 10m
Multiple Airlines
Fri 10/234:10 pm
SOF
- LAX
2 stops36h 50m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$699
This Austrian Airlines deal was found by Cheapflights users on 5/18. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/203:05 pm
LAX
- SOF
1 stop17h 15m
Austrian Airlines
Thu 9/36:55 pm
SOF
- LAX
1 stop28h 10m
Austrian Airlines
Deal found 5/18![Austrian Airlines logo]()
$705
This Gotogate deal was found by Cheapflights users on 5/20. 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 10/2112:20 pm
LAX
- SOF
2 stops20h 20m
Multiple Airlines
Wed 11/46:25 am
SOF
- LAX
1 stop16h 40m
Multiple Airlines
Deal found 5/20![Multiple Airlines logo]()
$712
This Gotogate deal was found by Cheapflights users on 5/19. 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 10/2012:20 pm
LAX
- SOF
2 stops20h 20m
Multiple Airlines
Tue 11/36:00 am
SOF
- LAX
1 stop19h 15m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$713
This Cheapflightsfares deal was found by Cheapflights users on 5/17. 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.
Fri 9/44:35 pm
LAX
- SOF
1 stop15h 25m
LOT
Sun 9/272:35 pm
SOF
- LAX
1 stop15h 30m
LOT
Deal found 5/17![LOT logo]()
$718
This Gotogate deal was found by Cheapflights users on 5/19. 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 10/209:05 pm
SFO
- SOF
1 stop16h 10m
Multiple Airlines
Tue 11/36:25 am
SOF
- SFO
2 stops19h 41m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$720
This Kiwi.com deal was found by Cheapflights users on 5/17. 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 10/58:50 pm
LAX
- SOF
1 stop18h 45m
Multiple Airlines
Fri 10/236:45 pm
SOF
- LAX
1 stop34h 15m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$721
This Gotogate deal was found by Cheapflights users on 5/20. 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 10/219:05 pm
SFO
- SOF
1 stop16h 10m
Multiple Airlines
Wed 11/46:25 am
SOF
- SFO
2 stops19h 41m
Multiple Airlines
Deal found 5/20![Multiple Airlines logo]()
$723
This Kiwi.com deal was found by Cheapflights users on 5/17. 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 11/174:15 pm
LAX
- SOF
1 stop15h 35m
LOT
Tue 12/16:35 pm
SOF
- LAX
1 stop35h 45m
LOT
Deal found 5/17![LOT logo]()
$724
This Gotogate deal was found by Cheapflights users on 5/20. 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 10/219:05 pm
SFO
- SOF
1 stop16h 10m
Lufthansa
Wed 11/46:25 am
SOF
- SFO
1 stop16h 10m
Lufthansa
Deal found 5/20![Lufthansa logo]()
$728
This Kiwi.com deal was found by Cheapflights users on 5/17. 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 10/45:30 pm
LAX
- SOF
1 stop15h 10m
Multiple Airlines
Fri 10/234:10 pm
SOF
- LAX
2 stops36h 50m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$728
This Gotogate deal was found by Cheapflights users on 5/19. 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 10/209:05 pm
SFO
- SOF
1 stop16h 10m
Lufthansa
Tue 11/36:25 am
SOF
- SFO
1 stop16h 10m
Lufthansa
Deal found 5/19![Lufthansa logo]()
$729
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 May 22, 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 May 22, 2026.
This United Airlines deal was found by Cheapflights users on 5/20. 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 10/189:05 pm
SFO
- SOF
1 stop16h 10m
United Airlines
Thu 10/226:30 am
SOF
- SFO
2 stops21h 09m
United Airlines
Deal found 5/20![United Airlines logo]()
$765
This Austrian Airlines deal was found by Cheapflights users on 5/17. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/23:05 pm
LAX
- VAR
1 stop14h 10m
Austrian Airlines
Wed 6/104:00 pm
VAR
- LAX
1 stop31h 05m
Austrian Airlines
Deal found 5/17![Austrian Airlines logo]()
$768
This FlightHub deal was found by Cheapflights users on 5/17. 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.
Tue 9/159:05 pm
SFO
- SOF
1 stop16h 10m
Multiple Airlines
Tue 9/296:10 am
SOF
- SFO
2 stops22h 31m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$782
This FlightHub deal was found by Cheapflights users on 5/17. 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 9/52:15 pm
SAN
- SOF
2 stops37h 20m
Lufthansa
Fri 10/26:10 am
SOF
- SAN
1 stop19h 15m
Lufthansa
Deal found 5/17![Lufthansa logo]()
$788
This KLM deal was found by Cheapflights users on 5/19. 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 7/119:00 pm
SNA
- SOF
2 stops31h 00m
KLM
Sun 11/157:00 am
SOF
- SNA
2 stops25h 29m
KLM
Deal found 5/19![KLM logo]()
$873
This Turkish Airlines deal was found by Cheapflights users on 5/21. 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.
Sun 8/306:45 pm
SFO
- VAR
1 stop27h 45m
Turkish Airlines
Mon 9/79:20 am
VAR
- SFO
1 stop17h 20m
Turkish Airlines
Deal found 5/21![Turkish Airlines logo]()
$953
This Justfly.com deal was found by Cheapflights users on 5/19. 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 9/25:40 pm
SFO
- BOJ
1 stop18h 55m
Aer Lingus
Thu 9/2411:25 pm
BOJ
- SFO
2 stops30h 08m
Aer Lingus
Deal found 5/19![Aer Lingus logo]()
$1,087
This United Airlines deal was found by Cheapflights users on 5/19. 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 9/26:20 am
SJC
- SOF
2 stops26h 20m
United Airlines
Thu 9/176:10 am
SOF
- SJC
2 stops21h 21m
United Airlines
Deal found 5/19![United Airlines logo]()
$781
This KAYAK deal was found by Cheapflights users on 5/21. 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 49m
Austrian Airlines
Deal found 5/21![Austrian Airlines logo]()
$828
This Lufthansa deal was found by Cheapflights users on 5/20. 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 8/116:28 pm
SAN
- SOF
2 stops18h 47m
Lufthansa
Wed 9/236:10 am
SOF
- SAN
1 stop19h 15m
Lufthansa
Deal found 5/20![Lufthansa logo]()
$831
This Air France deal was found by Cheapflights users on 5/22. 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.
Tue 8/117:00 am
SFO
- SOF
2 stops21h 00m
Multiple Airlines
Tue 9/157:00 am
SOF
- SFO
2 stops21h 35m
Multiple Airlines
Deal found 5/22![Multiple Airlines logo]()
$836
This United Airlines deal was found by Cheapflights users on 5/19. 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 9/158:45 am
SJC
- SOF
2 stops23h 55m
United Airlines
Wed 9/236:20 am
SOF
- SJC
2 stops26h 30m
United Airlines
Deal found 5/19![United Airlines logo]()
$797
This British Airways deal was found by Cheapflights users on 5/20. 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 6/77:00 am
OAK
- SOF
2 stops26h 20m
British Airways
Fri 7/32:15 pm
SOF
- OAK
2 stops39h 31m
British Airways
Deal found 5/20![British Airways logo]()
$1,849
This Justfly.com deal was found by Cheapflights users on 5/22. 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 8/112:40 pm
SFO
- VAR
1 stop18h 05m
Multiple Airlines
Tue 9/154:00 pm
VAR
- SFO
2 stops30h 40m
Multiple Airlines
Deal found 5/22![Multiple Airlines logo]()
$859
This FlightHub deal was found by Cheapflights users on 5/19. 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.
Tue 8/112:40 pm
SFO
- BOJ
2 stops38h 35m
Austrian Airlines
Tue 9/151:05 pm
BOJ
- SFO
2 stops33h 35m
Austrian Airlines
Deal found 5/19![Austrian Airlines logo]()
$880
This United Airlines deal was found by Cheapflights users on 5/19. 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 9/166:30 am
SJC
- SOF
2 stops30h 45m
United Airlines
Tue 9/222:10 pm
SOF
- SJC
2 stops31h 36m
United Airlines
Deal found 5/19![United Airlines logo]()
$802
This FlightHub deal was found by Cheapflights users on 5/22. 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.
Wed 10/79:05 pm
SFO
- VAR
1 stop25h 55m
Lufthansa
Sun 10/114:00 pm
VAR
- SFO
2 stops54h 40m
Lufthansa
Deal found 5/22![Lufthansa logo]()
$899
This Turkish Airlines deal was found by Cheapflights users on 5/19. 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.
Wed 11/181:05 pm
LAX
- VAR
1 stop34h 30m
Turkish Airlines
Sun 11/2210:25 am
VAR
- LAX
1 stop16h 25m
Turkish Airlines
Deal found 5/19![Turkish Airlines logo]()
$1,003
This KLM deal was found by Cheapflights users on 5/20. 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 7/58:25 pm
LAS
- SOF
1 stop31h 35m
KLM
Tue 7/217:00 am
SOF
- LAS
2 stops22h 50m
KLM
Deal found 5/20![KLM logo]()
$1,017
This United Airlines deal was found by Cheapflights users on 5/19. 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 9/146:37 pm
SJC
- SOF
2 stops38h 03m
United Airlines
Wed 9/236:20 am
SOF
- SJC
2 stops26h 30m
United Airlines
Deal found 5/19![United Airlines logo]()
$802
This CheapOair deal was found by Cheapflights users on 5/21. 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 CheapOair 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
Multiple Airlines
Wed 10/2112:55 pm
SOF
- LAS
2 stops20h 48m
Multiple Airlines
Deal found 5/21![Multiple Airlines logo]()
$891
This Austrian Airlines deal was found by Cheapflights users on 5/21. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/63:05 pm
LAX
- SOF
1 stop17h 05m
Austrian Airlines
Wed 8/126:55 pm
SOF
- LAX
1 stop28h 10m
Austrian Airlines
Deal found 5/21![Austrian Airlines logo]()
$914
This Turkish Airlines deal was found by Cheapflights users on 5/21. 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 9/58:10 pm
LAX
- VAR
1 stop26h 20m
Turkish Airlines
Sat 9/1210:00 am
VAR
- LAX
1 stop35h 40m
Turkish Airlines
Deal found 5/21![Turkish Airlines logo]()
$1,013
This Justfly.com deal was found by Cheapflights users on 5/21. 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 8/119:05 pm
SFO
- VAR
2 stops29h 40m
Lufthansa
Tue 9/154:00 pm
VAR
- SFO
2 stops30h 40m
Lufthansa
Deal found 5/21![Lufthansa logo]()
$934
This United Airlines deal was found by Cheapflights users on 5/21. 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 9/234:15 pm
LAX
- SOF
2 stops21h 00m
United Airlines
Tue 9/296:10 am
SOF
- LAX
2 stops19h 50m
United Airlines
Deal found 5/21![United Airlines logo]()
$803
This Austrian Airlines deal was found by Cheapflights users on 5/21. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/63:05 pm
LAX
- SOF
1 stop22h 50m
Austrian Airlines
Sat 8/151:40 pm
SOF
- LAX
1 stop33h 25m
Austrian Airlines
Deal found 5/21![Austrian Airlines logo]()
$940
This FlightHub deal was found by Cheapflights users on 5/21. 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.
Tue 8/112:40 pm
SFO
- BOJ
2 stops38h 35m
Multiple Airlines
Tue 9/157:05 pm
BOJ
- SFO
1 stop27h 35m
Multiple Airlines
Deal found 5/21![Multiple Airlines logo]()
$943
This United Airlines deal was found by Cheapflights users on 5/20. 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 8/112:15 pm
SAN
- SOF
2 stops23h 00m
United Airlines
Thu 9/246:30 am
SOF
- SAN
2 stops19h 42m
United Airlines
Deal found 5/20![United Airlines logo]()
$830
This Lufthansa deal was found by Cheapflights users on 5/20. 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 8/159:10 pm
LAS
- SOF
1 stop15h 40m
Lufthansa
Mon 8/316:20 am
SOF
- LAS
1 stop20h 00m
Lufthansa
Deal found 5/20![Lufthansa logo]()
$1,008
This KAYAK deal was found by Cheapflights users on 5/19. 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.
Tue 8/119:05 pm
SFO
- VAR
2 stops32h 10m
Austrian Airlines
Tue 9/154:00 pm
VAR
- SFO
2 stops30h 40m
Austrian Airlines
Deal found 5/19![Austrian Airlines logo]()
$951
Last-minute flights from California to BulgariaDiscover last-minute flight deals from California to Bulgaria. Data last updated May 22, 2026 and is based on user searches.
Discover last-minute flight deals from California to Bulgaria. Data last updated May 22, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 5/18. 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.
Thu 5/215:30 pm
LAX
- SOF
1 stop19h 45m
Lufthansa
Wed 5/276:20 am
SOF
- LAX
1 stop16h 50m
Lufthansa
Deal found 5/18![Lufthansa logo]()
$916
This FlightHub deal was found by Cheapflights users on 5/19. 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.
Thu 5/213:05 pm
LAX
- SOF
1 stop22h 50m
Multiple Airlines
Wed 5/276:20 am
SOF
- LAX
1 stop16h 50m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$927
This FlightHub deal was found by Cheapflights users on 5/21. 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.
Thu 5/213:05 pm
LAX
- SOF
1 stop17h 05m
Multiple Airlines
Tue 5/266:10 am
SOF
- LAX
1 stop17h 00m
Multiple Airlines
Deal found 5/21![Multiple Airlines logo]()
$929
This FlightHub deal was found by Cheapflights users on 5/20. 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.
Thu 5/213:05 pm
LAX
- SOF
1 stop17h 20m
Lufthansa
Tue 5/266:10 am
SOF
- LAX
1 stop17h 00m
Lufthansa
Deal found 5/20![Lufthansa logo]()
$938
This Lufthansa deal was found by Cheapflights users on 5/18. 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.
Thu 5/215:15 pm
SAN
- SOF
1 stop20h 00m
Lufthansa
Thu 6/46:10 am
SOF
- SAN
1 stop19h 15m
Lufthansa
Deal found 5/18![Lufthansa logo]()
$945
This Austrian Airlines deal was found by Cheapflights users on 5/19. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/213:05 pm
LAX
- SOF
1 stop22h 50m
Austrian Airlines
Wed 5/276:55 pm
SOF
- LAX
2 stops33h 25m
Austrian Airlines
Deal found 5/19![Austrian Airlines logo]()
$953
This Gotogate deal was found by Cheapflights users on 5/20. 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.
Thu 5/219:05 pm
SFO
- SOF
1 stop16h 10m
Lufthansa
Wed 6/36:20 am
SOF
- SFO
1 stop16h 20m
Lufthansa
Deal found 5/20![Lufthansa logo]()
$978
This Kiwi.com deal was found by Cheapflights users on 5/19. 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 5/256:45 pm
SFO
- SOF
1 stop34h 15m
Turkish Airlines
Tue 6/93:50 pm
SOF
- SFO
1 stop34h 50m
Turkish Airlines
Deal found 5/19![Turkish Airlines logo]()
$981
This Austrian Airlines deal was found by Cheapflights users on 5/17. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/23:05 pm
LAX
- VAR
1 stop14h 10m
Austrian Airlines
Wed 6/104:00 pm
VAR
- LAX
1 stop31h 05m
Austrian Airlines
Deal found 5/17![Austrian Airlines logo]()
$768
This Cheapflightsfares deal was found by Cheapflights users on 5/18. 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 6/163:05 pm
LAX
- SOF
1 stop17h 05m
Austrian Airlines
Tue 8/256:55 pm
SOF
- LAX
2 stops30h 20m
Austrian Airlines
Deal found 5/18![Austrian Airlines logo]()
$931
This United Airlines deal was found by Cheapflights users on 5/18. 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 6/163:05 pm
LAX
- SOF
1 stop34h 35m
United Airlines
Tue 8/256:10 am
SOF
- LAX
2 stops21h 19m
United Airlines
Deal found 5/18![United Airlines logo]()
$951
This CheapOair deal was found by Cheapflights users on 5/18. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/186:05 pm
SFO
- SOF
1 stop28h 40m
Turkish Airlines
Thu 6/259:35 am
SOF
- SFO
1 stop35h 15m
Turkish Airlines
Deal found 5/18![Turkish Airlines logo]()
$921
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 May 22, 2026.
Search for one-way flight options from California to Bulgaria. Find affordable one-way fares based on user searches. Data last updated May 22, 2026.
This oojo deal was found by Cheapflights users on 5/22. 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 9/98:55 pm
LAX
- SOF
1 stop30h 30m
British Airways
Deal found 5/22![British Airways logo]()
$333
This Iberia deal was found by Cheapflights users on 5/20. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/84:20 pm
LAX
- SOF
1 stop18h 10m
Multiple Airlines
Deal found 5/20![Multiple Airlines logo]()
$339
This Priceline deal was found by Cheapflights users on 5/20. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/88:15 am
LAX
- SOF
2 stops24h 25m
Air Canada
Deal found 5/20![Air Canada logo]()
$353
This oojo deal was found by Cheapflights users on 5/20. 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 8/251:17 pm
LAS
- SOF
2 stops21h 13m
British Airways
Deal found 5/20![British Airways logo]()
$354
This United Airlines deal was found by Cheapflights users on 5/18. 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 9/92:29 pm
LAX
- SOF
2 stops18h 11m
United Airlines
Deal found 5/18![United Airlines logo]()
$354
This oojo deal was found by Cheapflights users on 5/21. 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 9/304:35 pm
SFO
- SOF
1 stop34h 50m
British Airways
Deal found 5/21![British Airways logo]()
$355
This Cheapflightsfares deal was found by Cheapflights users on 5/19. 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 9/153:50 pm
LAX
- SOF
1 stop18h 40m
British Airways
Deal found 5/19![British Airways logo]()
$364
This United Airlines deal was found by Cheapflights users on 5/20. 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 9/87:00 am
LAX
- SOF
3 stops25h 00m
United Airlines
Deal found 5/20![United Airlines logo]()
$366
This Kiwi.com deal was found by Cheapflights users on 5/17. 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 9/309:05 pm
SFO
- SOF
2 stops16h 50m
Austrian Airlines
Deal found 5/17![Austrian Airlines logo]()
$370
This United Airlines deal was found by Cheapflights users on 5/21. 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 9/309:05 pm
SFO
- SOF
1 stop16h 10m
United Airlines
Deal found 5/21![United Airlines logo]()
$371
This oojo deal was found by Cheapflights users on 5/21. 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 9/3012:02 pm
SJC
- SOF
2 stops39h 23m
British Airways
Deal found 5/21![British Airways logo]()
$376
This Kiwi.com deal was found by Cheapflights users on 5/19. 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 10/164:40 pm
LAX
- SOF
2 stops30h 50m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$378
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 May 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $699 (Kiwi.com) |
One-way from | $333 (oojo) |
Popular in | June |
Cheapest in | November |
Average price | $797 |
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 May 22, 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
Sun 10/18
9:05 pm-11:15 pm
1 stop16h 10m
Sofia
Thu 10/22
6:30 am-5:39 pm
2 stops21h 09m
$765
Los AngelesVarna
LAX - VAR
LAXVAR
Los Angeles
Tue 6/2
3:05 pm-3:15 pm
1 stop14h 10m
Varna
Wed 6/10
4:00 pm-1:05 pm
1 stop31h 05m
$768
San JoseSofia
SJC - SOF
SJCSOF
San Jose
Wed 9/2
6:20 am-6:40 pm
2 stops26h 20m
Sofia
Thu 9/17
6:10 am-5:31 pm
2 stops21h 21m
$781
San FranciscoSofia
SFO - SOF
SFOSOF
San Francisco
Tue 9/15
9:05 pm-11:15 pm
1 stop16h 10m
Sofia
Tue 9/29
6:10 am-6:41 pm
2 stops22h 31m
$782
San DiegoSofia
SAN - SOF
SANSOF
San Diego
Sat 9/5
2:15 pm-1:35 pm
2 stops37h 20m
Sofia
Fri 10/2
6:10 am-3:25 pm
1 stop19h 15m
$788
San JoseSofia
SJC - SOF
SJCSOF
San Jose
Tue 9/15
8:45 am-6:40 pm
2 stops23h 55m
Sofia
Wed 9/23
6:20 am-10:50 pm
2 stops26h 30m
$797
San JoseSofia
SJC - SOF
SJCSOF
San Jose
Wed 9/16
6:30 am-11:15 pm
2 stops30h 45m
Sofia
Tue 9/22
2:10 pm-11:46 am
2 stops31h 36m
$802
San JoseSofia
SJC - SOF
SJCSOF
San Jose
Mon 9/14
6:37 pm-6:40 pm
2 stops38h 03m
Sofia
Wed 9/23
6:20 am-10:50 pm
2 stops26h 30m
$802
Los AngelesSofia
LAX - SOF
LAXSOF
Los Angeles
Wed 9/23
4:15 pm-11:15 pm
2 stops21h 00m
Sofia
Tue 9/29
6:10 am-4:00 pm
2 stops19h 50m
$803
San FranciscoVarna
SFO - VAR
SFOVAR
San Francisco
Wed 9/2
9:05 pm-3:15 pm
2 stops32h 10m
Varna
Thu 9/24
8:30 pm-7:19 pm
2 stops32h 49m
$828
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.
LAX-SOF
LAS-SOF
SFO-SOF
SJC-SOF
LAX-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
LAX-SOF
LAS-SOF
SFO-SOF
SJC-SOF
What is the cheapest month to book a flight from California to Bulgaria?
Currently, August is the cheapest month in which you can book a flight from California to Bulgaria (average of $360). Flying from California to Bulgaria in June is currently the most expensive (average of $679). 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.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Return Flight Options
Top destinations
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 May 22, 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 8 airlines flying from California to Bulgaria
Discover the top 8 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 May 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$391 | Average$825 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$524 | Average$765 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$527 | Average$971 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$547 | Average$746 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$566 | Average$665 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$591 | Average$1,167 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$650 | Average$897 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$651 | Average$1,041 | FlexibilityNo cancel fee | On-time81% |