$320+ Cheap flights from San Francisco (SFO) to Sofia (SOF)
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 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SOF
Aug 29 — Sep 51
Round-trip
1 adult, Economy
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Find cheap flights from San Francisco to Sofia with Cheapflights
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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
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Cheapest flights from San Francisco to SofiaExplore the most affordable flight options available from San Francisco to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2026.
Explore the most affordable flight options available from San Francisco to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2026.
This Turkish Airlines deal was found by Cheapflights users on 7/26. 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 10/56:45 pm
SFO
- SOF
1 stop34h 15m
Turkish Airlines
Tue 10/133:50 pm
SOF
- SFO
1 stop34h 50m
Turkish Airlines
Deal found 7/26![Turkish Airlines logo]()
$679
This Booking.com deal was found by Cheapflights users on 7/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/276:35 pm
SFO
- SOF
1 stop30h 30m
Turkish Airlines
Fri 12/119:45 pm
SOF
- SFO
1 stop28h 45m
Turkish Airlines
Deal found 7/26![Turkish Airlines logo]()
$680
This Turkish Airlines deal was found by Cheapflights users on 7/26. 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 11/246:35 pm
SFO
- SOF
1 stop34h 35m
Turkish Airlines
Tue 12/89:40 am
SOF
- SFO
1 stop16h 50m
Turkish Airlines
Deal found 7/26![Turkish Airlines logo]()
$699
This Gotogate deal was found by Cheapflights users on 7/29. 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 10/288:25 am
SFO
- SOF
2 stops19h 50m
Multiple Airlines
Wed 11/116:25 am
SOF
- SFO
2 stops19h 41m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$717
This Gotogate deal was found by Cheapflights users on 7/29. 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 12/307:25 pm
SFO
- SOF
1 stop28h 35m
Multiple Airlines
Wed 1/136:25 am
SOF
- SFO
2 stops25h 08m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$722
This Expedia deal was found by Cheapflights users on 7/29. 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.
Wed 10/2810:40 pm
SFO
- SOF
1 stop15h 15m
Lufthansa
Wed 11/116:25 am
SOF
- SFO
1 stop16h 10m
Lufthansa
Deal found 7/29![Lufthansa logo]()
$723
This Expedia deal was found by Cheapflights users on 7/29. 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.
Mon 11/309:40 pm
SFO
- SOF
1 stop15h 15m
Multiple Airlines
Mon 12/143:00 pm
SOF
- SFO
1 stop35h 30m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$726
This Expedia deal was found by Cheapflights users on 7/27. 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.
Wed 11/259:40 pm
SFO
- SOF
1 stop15h 05m
Lufthansa
Wed 12/96:25 am
SOF
- SFO
1 stop16h 10m
Lufthansa
Deal found 7/27![Lufthansa logo]()
$728
This Expedia deal was found by Cheapflights users on 7/29. 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.
Tue 12/89:40 pm
SFO
- SOF
1 stop15h 15m
Lufthansa
Tue 1/196:25 am
SOF
- SFO
1 stop16h 10m
Lufthansa
Deal found 7/29![Lufthansa logo]()
$729
This Expedia deal was found by Cheapflights users on 7/27. 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.
Mon 12/289:40 pm
SFO
- SOF
1 stop15h 15m
Multiple Airlines
Mon 1/113:00 pm
SOF
- SFO
1 stop35h 30m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$731
Best flights from San Francisco to SofiaDiscover carefully curated flight deals from San Francisco to Sofia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 30, 2026.
Discover carefully curated flight deals from San Francisco to Sofia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 30, 2026.
This Turkish Airlines deal was found by Cheapflights users on 7/25. 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 9/296:45 pm
SFO
- SOF
1 stop28h 00m
Turkish Airlines
Sun 10/111:05 pm
SOF
- SFO
1 stop31h 45m
Turkish Airlines
Deal found 7/25![Turkish Airlines logo]()
$679
This Lufthansa deal was found by Cheapflights users on 7/29. 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.
Fri 10/3010:40 pm
SFO
- SOF
1 stop15h 15m
Lufthansa
Fri 11/66:25 am
SOF
- SFO
1 stop16h 10m
Lufthansa
Deal found 7/29![Lufthansa logo]()
$795
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Thu 10/2910:40 pm
SFO
- SOF
1 stop15h 15m
United Airlines
Fri 11/66:25 am
SOF
- SFO
1 stop16h 10m
United Airlines
Deal found 7/29![United Airlines logo]()
$795
This United deal was found by Cheapflights users on 7/29. 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.
Sat 10/316:30 pm
SFO
- SOF
2 stops33h 55m
Multiple Airlines
Sat 11/76:25 am
SOF
- SFO
2 stops25h 05m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$822
This Turkish Airlines deal was found by Cheapflights users on 7/29. 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 9/296:45 pm
SFO
- SOF
1 stop34h 15m
Turkish Airlines
Tue 10/133:50 pm
SOF
- SFO
1 stop34h 50m
Turkish Airlines
Deal found 7/29![Turkish Airlines logo]()
$809
This United Airlines deal was found by Cheapflights users on 7/27. 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 9/72:00 pm
SFO
- SOF
1 stop23h 15m
United Airlines
Wed 9/166:20 am
SOF
- SFO
2 stops19h 01m
United Airlines
Deal found 7/27![United Airlines logo]()
$829
This Lufthansa deal was found by Cheapflights users on 7/29. 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 10/2910:40 pm
SFO
- SOF
1 stop15h 15m
Lufthansa
Sun 11/86:25 am
SOF
- SFO
1 stop16h 10m
Lufthansa
Deal found 7/29![Lufthansa logo]()
$845
This Turkish Airlines deal was found by Cheapflights users on 7/29. 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 9/2812:50 pm
SFO
- SOF
1 stop33h 55m
Turkish Airlines
Tue 10/133:50 pm
SOF
- SFO
1 stop34h 50m
Turkish Airlines
Deal found 7/29![Turkish Airlines logo]()
$809
This United Airlines deal was found by Cheapflights users on 7/25. 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 8/268:10 am
SFO
- SOF
2 stops24h 30m
United Airlines
Wed 9/96:20 am
SOF
- SFO
2 stops21h 25m
United Airlines
Deal found 7/25![United Airlines logo]()
$843
This United Airlines deal was found by Cheapflights users on 7/29. 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 9/110:46 am
SFO
- SOF
2 stops21h 14m
United Airlines
Wed 9/236:20 am
SOF
- SFO
1 stop16h 20m
United Airlines
Deal found 7/29![United Airlines logo]()
$844
This United Airlines deal was found by Cheapflights users on 7/25. 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 10/51:55 pm
SFO
- SOF
1 stop23h 20m
United Airlines
Tue 10/136:10 am
SOF
- SFO
2 stops40h 01m
United Airlines
Deal found 7/25![United Airlines logo]()
$846
Last-minute flights from San Francisco to SofiaDiscover last-minute flight deals from San Francisco to Sofia. Data last updated July 30, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Sofia. Data last updated July 30, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 7/26. 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 8/99:05 pm
SFO
- SOF
1 stop16h 10m
Lufthansa
Tue 8/256:10 am
SOF
- SFO
1 stop16h 30m
Lufthansa
Deal found 7/26![Lufthansa logo]()
$877
This Turkish Airlines deal was found by Cheapflights users on 7/28. 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 8/116:45 pm
SFO
- SOF
1 stop34h 15m
Turkish Airlines
Tue 9/159:10 pm
SOF
- SFO
1 stop29h 30m
Turkish Airlines
Deal found 7/28![Turkish Airlines logo]()
$850
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 8/154:05 pm
SFO
- SOF
1 stop22h 35m
Multiple Airlines
Tue 9/811:25 pm
SOF
- SFO
2 stops25h 10m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$808
This FlightHub deal was found by Cheapflights users on 7/25. 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.
Sun 8/166:45 pm
SFO
- SOF
1 stop28h 00m
Turkish Airlines
Wed 9/93:50 pm
SOF
- SFO
1 stop29h 00m
Turkish Airlines
Deal found 7/25![Turkish Airlines logo]()
$805
This Mytrip deal was found by Cheapflights users on 7/25. 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.
Sun 8/166:00 am
SFO
- SOF
2 stops32h 10m
Multiple Airlines
Wed 9/95:15 pm
SOF
- SFO
2 stops31h 15m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$855
This CheapOair deal was found by Cheapflights users on 7/26. 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 8/176:45 pm
SFO
- SOF
1 stop15h 35m
Turkish Airlines
Mon 8/319:35 am
SOF
- SFO
1 stop17h 05m
Turkish Airlines
Deal found 7/26![Turkish Airlines logo]()
$824
This Justfly.com deal was found by Cheapflights users on 7/28. 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 8/196:45 pm
SFO
- SOF
1 stop31h 00m
Turkish Airlines
Sun 10/49:10 pm
SOF
- SFO
1 stop23h 40m
Turkish Airlines
Deal found 7/28![Turkish Airlines logo]()
$799
This Mytrip deal was found by Cheapflights users on 7/28. 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 8/194:30 pm
SFO
- SOF
2 stops23h 05m
Multiple Airlines
Wed 9/26:45 pm
SOF
- SFO
2 stops29h 45m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$825
This United Airlines deal was found by Cheapflights users on 7/25. 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 8/2610:46 am
SFO
- SOF
2 stops21h 54m
United Airlines
Wed 9/96:20 am
SOF
- SFO
1 stop16h 20m
United Airlines
Deal found 7/25![United Airlines logo]()
$833
This Gotogate deal was found by Cheapflights users on 7/29. 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 8/2711:10 am
SFO
- SOF
2 stops21h 15m
Multiple Airlines
Thu 9/36:30 am
SOF
- SFO
1 stop16h 10m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$866
One-way flights from San Francisco to SofiaSearch for one-way flight options from San Francisco to Sofia. Find affordable one-way fares based on user searches. Data last updated July 30, 2026.
Search for one-way flight options from San Francisco to Sofia. Find affordable one-way fares based on user searches. Data last updated July 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 10/171:00 pm
SFO
- SOF
3 stops51h 35m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$320
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 10/136:59 pm
SFO
- SOF
3 stops43h 21m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$325
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Thu 12/246:45 pm
SFO
- SOF
1 stop18h 15m
United Airlines
Deal found 7/25![United Airlines logo]()
$415
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 12/249:40 pm
SFO
- SOF
2 stops28h 10m
Austrian Airlines
Deal found 7/25![Austrian Airlines logo]()
$419
This oojo deal was found by Cheapflights users on 7/29. 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.
Thu 8/63:55 pm
SFO
- SOF
1 stop24h 00m
LOT
Deal found 7/29![LOT logo]()
$434
This oojo deal was found by Cheapflights users on 7/26. 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 8/1910:40 pm
SFO
- SOF
1 stop17h 15m
LOT
Deal found 7/26![LOT logo]()
$440
This Cheapflightsfares deal was found by Cheapflights users on 7/28. 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 10/134:35 pm
SFO
- SOF
1 stop17h 55m
British Airways
Deal found 7/28![British Airways logo]()
$447
This Mytrip deal was found by Cheapflights users on 7/28. 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.
Thu 8/134:05 pm
SFO
- SOF
2 stops23h 30m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$468
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 12/249:40 pm
SFO
- SOF
3 stops26h 10m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$476
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 8/69:05 pm
SFO
- SOF
3 stops41h 00m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$482
Find flight deals from San Francisco to Sofia
Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Sofia (SOF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $679 (Turkish Airlines) |
One-way from | $320 (Kiwi.com) |
Popular in | July |
Cheapest in | October |
Average price | $1,119 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Francisco to Sofia 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 30, 2026.
Use the filters below to find and compare flights from San Francisco to Sofia that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San FranciscoSofia
SFO - SOF
SFOSOF
San Francisco
Tue 9/29
6:45 pm-8:45 am
1 stop28h 00m
Sofia
Sun 10/11
1:05 pm-10:50 am
1 stop31h 45m
$679
Quickest round-trip
San FranciscoSofia
SFO - SOF
SFOSOF
San Francisco
Fri 10/30
10:40 pm-10:55 pm
1 stop15h 15m
Sofia
Fri 11/6
6:25 am-12:35 pm
1 stop16h 10m
$795
San FranciscoSofia
SFO - SOF
SFOSOF
San Francisco
Thu 10/29
10:40 pm-10:55 pm
1 stop15h 15m
Sofia
Fri 11/6
6:25 am-12:35 pm
1 stop16h 10m
$795
San FranciscoSofia
SFO - SOF
SFOSOF
San Francisco
Tue 9/29
6:45 pm-3:00 pm
1 stop34h 15m
Sofia
Tue 10/13
3:50 pm-4:40 pm
1 stop34h 50m
$809
San FranciscoSofia
SFO - SOF
SFOSOF
San Francisco
Mon 9/28
12:50 pm-8:45 am
1 stop33h 55m
Sofia
Tue 10/13
3:50 pm-4:40 pm
1 stop34h 50m
$809
San FranciscoSofia
SFO - SOF
SFOSOF
San Francisco
Sat 10/31
6:30 pm-1:25 pm
2 stops33h 55m
Sofia
Sat 11/7
6:25 am-9:30 pm
2 stops25h 05m
$822
San FranciscoSofia
SFO - SOF
SFOSOF
San Francisco
Mon 9/7
2:00 pm-11:15 pm
1 stop23h 15m
Sofia
Wed 9/16
6:20 am-3:21 pm
2 stops19h 01m
$829
San FranciscoSofia
SFO - SOF
SFOSOF
San Francisco
Wed 8/26
8:10 am-6:40 pm
2 stops24h 30m
Sofia
Wed 9/9
6:20 am-5:45 pm
2 stops21h 25m
$843
San FranciscoSofia
SFO - SOF
SFOSOF
San Francisco
Tue 9/1
10:46 am-6:00 pm
2 stops21h 14m
Sofia
Wed 9/23
6:20 am-12:40 pm
1 stop16h 20m
$844
San FranciscoSofia
SFO - SOF
SFOSOF
San Francisco
Thu 10/29
10:40 pm-10:55 pm
1 stop15h 15m
Sofia
Sun 11/8
6:25 am-12:35 pm
1 stop16h 10m
$845
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from San Francisco to Sofia
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Francisco to Sofia in July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Francisco-Sofia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-Sofia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-Sofia flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Francisco-Sofia flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Francisco-Sofia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from San Francisco to Sofia
Have a flexible travel schedule? Discover the best time to fly to Sofia from San Francisco with our price prediction graph.
SFO-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 San Francisco to Sofia
How far ahead should I book a flight from San Francisco to Sofia?
To ensure you get the cheapest price possible for a flight from San Francisco to Sofia, you should look to book at least 47 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 San Francisco to Sofia?
Currently, October is the cheapest month in which you can book a flight from San Francisco to Sofia (average of $635). Flying from San Francisco to Sofia in July is currently the most expensive (average of $1,119). 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 much does it cost to fly round-trip from San Francisco to Sofia?
Airfare is typical for this route at the moment.
San Francisco to Sofia flights typically cost between $654 and $958 in September.The cheapest round-trip price found within the last 5 days was $679 on Turkish Airlines (Sep 29-Oct 11).
Reviews of airlines servicing Sofia
Get insights into the airlines that provide service to Sofia. 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 Sofia. Reviews last updated July 30, 2026.
Read through reviews of airlines operating flights from San Francisco to Sofia, such as LOT,Turkish Airlines, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.2
Comfort
7.5
Overall
7.6
Boarding
7.6
Entertainment
6.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentRami,Sep 2025
LAX - WAW
Crew
8.2
Comfort
7.5
Overall
7.6
Boarding
7.6
Entertainment
6.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentRami,Sep 2025
LAX - WAW
Crew
8.2
Comfort
7.5
Overall
7.6
Boarding
7.6
Entertainment
6.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentRami,Sep 2025
LAX - WAW
Crew
8.2
Comfort
7.5
Overall
7.6
Boarding
7.6
Entertainment
6.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentRami,Sep 2025
LAX - WAW
Crew
8.2
Comfort
7.5
Overall
7.6
Boarding
7.6
Entertainment
6.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentRami,Sep 2025
LAX - WAW
Related info for your journey
Find useful and relevant information for your journey from San Francisco to Sofia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Complete your trip
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San Francisco and Sofia flights
Browse other San Francisco and Sofia flight options. Last updated on July 30, 2026.
Other flights from San Francisco
Browse through other flights departing from San Francisco. Flights are based on user searches made on Cheapflights and were last updated on July 30, 2026.
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Top 4 airlines flying from San Francisco to Sofia
Discover the top 4 airlines that operate flights from San Francisco to Sofia. 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 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$542 | Average$851 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$588 | Average$719 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$603 | Average$916 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$627 | Average$1,336 | FlexibilityNo cancel fee | On-time81% |