$298+ 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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SOF
Apr 14 — Apr 211
Round-trip
1 adult, Economy
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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 March 15, 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 March 15, 2026.
This Mytrip deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/226:45 pm
SFO
- SOF
1 stop28h 00m
Turkish Airlines
Thu 5/73:50 pm
SOF
- SFO
1 stop34h 50m
Turkish Airlines
Deal found 3/13![Turkish Airlines logo]()
$585
This oojo deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/46:45 pm
SFO
- SOF
1 stop15h 30m
Turkish Airlines
Thu 5/219:35 am
SOF
- SFO
1 stop17h 05m
Turkish Airlines
Deal found 3/13![Turkish Airlines logo]()
$596
This oojo deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/512:55 pm
SFO
- SOF
1 stop21h 20m
Turkish Airlines
Tue 5/193:50 pm
SOF
- SFO
1 stop34h 50m
Turkish Airlines
Deal found 3/12![Turkish Airlines logo]()
$597
This FlightHub deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/76:45 pm
SFO
- SOF
1 stop34h 15m
Turkish Airlines
Wed 10/219:05 pm
SOF
- SFO
1 stop29h 35m
Turkish Airlines
Deal found 3/14![Turkish Airlines logo]()
$599
This FlightHub deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1112:55 pm
SFO
- SOF
1 stop21h 20m
Turkish Airlines
Tue 9/159:35 am
SOF
- SFO
1 stop17h 05m
Turkish Airlines
Deal found 3/15![Turkish Airlines logo]()
$600
This oojo deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/296:45 pm
SFO
- SOF
1 stop32h 30m
Turkish Airlines
Tue 10/69:35 am
SOF
- SFO
1 stop17h 05m
Turkish Airlines
Deal found 3/15![Turkish Airlines logo]()
$608
This oojo deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1312:55 pm
SFO
- SOF
1 stop16h 05m
Turkish Airlines
Mon 4/279:35 am
SOF
- SFO
1 stop17h 05m
Turkish Airlines
Deal found 3/12![Turkish Airlines logo]()
$611
This oojo deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/412:55 pm
SFO
- SOF
1 stop21h 20m
Turkish Airlines
Mon 5/189:05 pm
SOF
- SFO
1 stop23h 45m
Turkish Airlines
Deal found 3/11![Turkish Airlines logo]()
$612
This Kiwi.com deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/117:35 pm
SFO
- SOF
1 stop28h 45m
SWISS
Tue 8/251:05 pm
SOF
- SFO
1 stop37h 10m
SWISS
Deal found 3/10![SWISS logo]()
$627
This oojo deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/126:45 pm
SFO
- SOF
1 stop34h 15m
Turkish Airlines
Sun 4/263:50 pm
SOF
- SFO
1 stop29h 00m
Turkish Airlines
Deal found 3/11![Turkish Airlines logo]()
$629
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 March 15, 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 March 15, 2026.
This United Airlines deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/279:05 pm
SFO
- SOF
1 stop15h 55m
United Airlines
Wed 8/196:20 am
SOF
- SFO
2 stops25h 08m
United Airlines
Deal found 3/13![United Airlines logo]()
$657
This KLM deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/47:25 am
SFO
- SOF
2 stops20h 35m
KLM
Thu 5/217:00 am
SOF
- SFO
2 stops22h 20m
KLM
Deal found 3/14![KLM logo]()
$741
This TAP AIR PORTUGAL deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/117:20 pm
SFO
- SOF
3 stops36h 45m
TAP AIR PORTUGAL
Tue 9/152:10 pm
SOF
- SFO
2 stops34h 25m
TAP AIR PORTUGAL
Deal found 3/11![TAP AIR PORTUGAL logo]()
$765
This United Airlines deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/118:10 am
SFO
- SOF
2 stops18h 00m
United Airlines
Tue 9/156:10 am
SOF
- SFO
2 stops23h 39m
United Airlines
Deal found 3/11![United Airlines logo]()
$669
This United Airlines deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/99:05 pm
SFO
- SOF
1 stop15h 55m
United Airlines
Mon 9/282:20 pm
SOF
- SFO
2 stops35h 01m
United Airlines
Deal found 3/14![United Airlines logo]()
$685
This United Airlines deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/281:45 pm
SFO
- SOF
1 stop23h 15m
United Airlines
Tue 5/56:10 am
SOF
- SFO
1 stop19h 15m
United Airlines
Deal found 3/13![United Airlines logo]()
$707
This United Airlines deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/411:10 am
SFO
- SOF
2 stops21h 30m
United Airlines
Thu 5/216:30 am
SOF
- SFO
2 stops36h 39m
United Airlines
Deal found 3/13![United Airlines logo]()
$738
This United Airlines deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/291:55 pm
SFO
- SOF
2 stops23h 05m
United Airlines
Mon 5/1812:55 pm
SOF
- SFO
1 stop35h 35m
United Airlines
Deal found 3/15![United Airlines logo]()
$740
This United Airlines deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/211:56 pm
SFO
- SOF
2 stops25h 04m
United Airlines
Fri 5/152:10 pm
SOF
- SFO
1 stop15h 50m
United Airlines
Deal found 3/15![United Airlines logo]()
$741
This United Airlines deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/245:00 am
SFO
- SOF
2 stops32h 00m
United Airlines
Mon 9/72:20 pm
SOF
- SFO
1 stop32h 20m
United Airlines
Deal found 3/13![United Airlines logo]()
$767
Last-minute flights from San Francisco to SofiaDiscover last-minute flight deals from San Francisco to Sofia. Data last updated March 15, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Sofia. Data last updated March 15, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/172:10 pm
SFO
- SOF
1 stop33h 35m
Turkish Airlines
Tue 3/249:35 am
SOF
- SFO
1 stop17h 10m
Turkish Airlines
Deal found 3/10![Turkish Airlines logo]()
$596
This Booking.com deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/296:45 pm
SFO
- SOF
1 stop34h 15m
Turkish Airlines
Tue 4/149:35 am
SOF
- SFO
1 stop17h 05m
Turkish Airlines
Deal found 3/11![Turkish Airlines logo]()
$634
This oojo deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/126:45 pm
SFO
- SOF
1 stop34h 15m
Turkish Airlines
Sun 4/263:50 pm
SOF
- SFO
1 stop29h 00m
Turkish Airlines
Deal found 3/11![Turkish Airlines logo]()
$629
This oojo deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1312:55 pm
SFO
- SOF
1 stop16h 05m
Turkish Airlines
Mon 4/279:35 am
SOF
- SFO
1 stop17h 05m
Turkish Airlines
Deal found 3/12![Turkish Airlines logo]()
$611
This Mytrip deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2012:55 pm
SFO
- SOF
1 stop21h 20m
Turkish Airlines
Fri 5/89:35 am
SOF
- SFO
1 stop17h 05m
Turkish Airlines
Deal found 3/12![Turkish Airlines logo]()
$643
This FlightHub deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2112:55 pm
SFO
- SOF
1 stop21h 20m
Turkish Airlines
Thu 5/79:05 pm
SOF
- SFO
1 stop29h 35m
Turkish Airlines
Deal found 3/12![Turkish Airlines logo]()
$656
This Mytrip deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/226:45 pm
SFO
- SOF
1 stop28h 00m
Turkish Airlines
Thu 5/73:50 pm
SOF
- SFO
1 stop34h 50m
Turkish Airlines
Deal found 3/13![Turkish Airlines logo]()
$585
This Mytrip deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/222:40 pm
SFO
- SOF
1 stop17h 25m
Multiple Airlines
Thu 5/72:10 pm
SOF
- SFO
2 stops30h 40m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$657
This oojo deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/296:45 pm
SFO
- SOF
1 stop32h 30m
Turkish Airlines
Tue 10/69:35 am
SOF
- SFO
1 stop17h 05m
Turkish Airlines
Deal found 3/15![Turkish Airlines logo]()
$608
This KAYAK deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/296:45 pm
SFO
- SOF
1 stop15h 30m
Turkish Airlines
Tue 5/199:05 pm
SOF
- SFO
1 stop29h 35m
Turkish Airlines
Deal found 3/15![Turkish Airlines logo]()
$662
This Mytrip deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3012:55 pm
SFO
- SOF
1 stop16h 05m
Turkish Airlines
Fri 5/159:35 am
SOF
- SFO
1 stop17h 05m
Turkish Airlines
Deal found 3/15![Turkish Airlines logo]()
$642
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 March 15, 2026.
Search for one-way flight options from San Francisco to Sofia. Find affordable one-way fares based on user searches. Data last updated March 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1511:13 am
SFO
- SOF
3 stops27h 07m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$298
This Air France deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/163:05 pm
SFO
- SOF
1 stop36h 55m
Air France
Deal found 3/12![Air France logo]()
$379
This United Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/167:05 am
SFO
- SOF
2 stops29h 55m
United Airlines
Deal found 3/12![United Airlines logo]()
$386
This Kiwi.com deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/187:35 pm
SFO
- SOF
2 stops32h 15m
Multiple Airlines
Deal found 3/12![Multiple Airlines logo]()
$392
This BYOjet deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/3011:10 am
SFO
- SOF
2 stops20h 50m
Air Canada
Deal found 3/14![Air Canada logo]()
$405
This KLM deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2910:31 am
SFO
- SOF
2 stops17h 29m
KLM
Deal found 3/15![KLM logo]()
$408
This British Airways deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/3012:36 pm
SFO
- SOF
2 stops21h 54m
British Airways
Deal found 3/12![British Airways logo]()
$413
This United Airlines deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/110:50 am
SFO
- SOF
2 stops26h 10m
United Airlines
Deal found 3/13![United Airlines logo]()
$419
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 March 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $585 (Mytrip) |
One-way from | $298 (Kiwi.com) |
Popular in | June |
Cheapest in | October |
Average price | $628 |
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 March 15, 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
Mon 7/27
9:05 pm-11:00 pm
1 stop15h 55m
Sofia
Wed 8/19
6:20 am-9:28 pm
2 stops25h 08m
$657
San FranciscoSofia
SFO - SOF
SFOSOF
San Francisco
Tue 8/11
8:10 am-12:10 pm
2 stops18h 00m
Sofia
Tue 9/15
6:10 am-7:49 pm
2 stops23h 39m
$669
San FranciscoSofia
SFO - SOF
SFOSOF
San Francisco
Wed 9/9
9:05 pm-11:00 pm
1 stop15h 55m
Sofia
Mon 9/28
2:20 pm-3:21 pm
2 stops35h 01m
$685
San FranciscoSofia
SFO - SOF
SFOSOF
San Francisco
Tue 4/28
1:45 pm-11:00 pm
1 stop23h 15m
Sofia
Tue 5/5
6:10 am-3:25 pm
1 stop19h 15m
$707
San FranciscoSofia
SFO - SOF
SFOSOF
San Francisco
Mon 5/4
11:10 am-6:40 pm
2 stops21h 30m
Sofia
Thu 5/21
6:30 am-9:09 am
2 stops36h 39m
$738
San FranciscoSofia
SFO - SOF
SFOSOF
San Francisco
Wed 4/29
1:55 pm-11:00 pm
2 stops23h 05m
Sofia
Mon 5/18
12:55 pm-2:30 pm
1 stop35h 35m
$740
San FranciscoSofia
SFO - SOF
SFOSOF
San Francisco
Mon 5/4
7:25 am-2:00 pm
2 stops20h 35m
Sofia
Thu 5/21
7:00 am-7:20 pm
2 stops22h 20m
$741
Quickest round-trip
San FranciscoSofia
SFO - SOF
SFOSOF
San Francisco
Sat 5/2
11:56 pm-11:00 am
2 stops25h 04m
Sofia
Fri 5/15
2:10 pm-8:00 pm
1 stop15h 50m
$741
San FranciscoSofia
SFO - SOF
SFOSOF
San Francisco
Tue 8/11
7:20 pm-6:05 pm
3 stops36h 45m
Sofia
Tue 9/15
2:10 pm-2:35 pm
2 stops34h 25m
$765
San FranciscoSofia
SFO - SOF
SFOSOF
San Francisco
Fri 7/24
5:00 am-11:00 pm
2 stops32h 00m
Sofia
Mon 9/7
2:20 pm-12:40 pm
1 stop32h 20m
$767
Showing 1-10 of 18 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 March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | 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?
Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Sofia. Price data was last updated on March 13, 2026.
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, August is the cheapest month in which you can book a flight from San Francisco to Sofia (average of $430). Flying from San Francisco to Sofia in June is currently the most expensive (average of $691). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Reviews of airlines servicing 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 March 15, 2026.
Read through reviews of airlines operating flights from San Francisco to Sofia, such as United Airlines,Turkish Airlines, andLufthansa. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.1
Boarding
7.7
Comfort
7.3
Crew
8.1
Overall
7.4
Food
6.6
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Entertainment
7.1
Boarding
7.7
Comfort
7.3
Crew
8.1
Overall
7.4
Food
6.6
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Entertainment
7.1
Boarding
7.7
Comfort
7.3
Crew
8.1
Overall
7.4
Food
6.6
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Entertainment
7.1
Boarding
7.7
Comfort
7.3
Crew
8.1
Overall
7.4
Food
6.6
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Entertainment
7.1
Boarding
7.7
Comfort
7.3
Crew
8.1
Overall
7.4
Food
6.6
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Entertainment
7.1
Boarding
7.7
Comfort
7.3
Crew
8.1
Overall
7.4
Food
6.6
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
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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Sofia flight routes
Alternative routes for San Francisco to Sofia
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Complete your trip
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Find flights from San Francisco to Sofia, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Francisco and Sofia flights
Browse other San Francisco and Sofia flight options. Last updated on March 15, 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 March 15, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Sofia
Explore flights to Sofia departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on March 15, 2026.
Top 7 airlines flying from San Francisco to Sofia
Discover the top 7 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 March 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$455 | Average$688 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$544 | Average$785 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$594 | Average$731 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$603 | Average$781 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$627 | Average$1,196 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$651 | Average$1,041 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$771 | Average$1,133 | FlexibilityNo cancel fee | On-time67% |