$336+ 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 8/2. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SOF
May 29 — Jun 51
Round-trip
1 adult, Economy
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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 April 29, 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 April 29, 2026.
This oojo deal was found by Cheapflights users on 4/27. 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 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
Thu 5/219:05 pm
SOF
- SFO
1 stop23h 45m
Turkish Airlines
Deal found 4/27![Turkish Airlines logo]()
$664
This FlightHub deal was found by Cheapflights users on 4/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:45 pm
SFO
- SOF
1 stop15h 30m
Turkish Airlines
Wed 9/239:05 pm
SOF
- SFO
1 stop23h 45m
Turkish Airlines
Deal found 4/27![Turkish Airlines logo]()
$699
This Justfly.com deal was found by Cheapflights users on 4/27. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:45 pm
SFO
- SOF
1 stop15h 30m
Turkish Airlines
Tue 6/23:50 pm
SOF
- SFO
1 stop34h 50m
Turkish Airlines
Deal found 4/27![Turkish Airlines logo]()
$710
This Gotogate deal was found by Cheapflights users on 4/27. 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 Gotogate 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 05m
Multiple Airlines
Wed 11/116:10 am
SOF
- SFO
2 stops24h 25m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$718
This SmartFares deal was found by Cheapflights users on 4/28. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:45 pm
SFO
- SOF
1 stop15h 30m
Turkish Airlines
Thu 9/249:05 pm
SOF
- SFO
1 stop23h 45m
Turkish Airlines
Deal found 4/28![Turkish Airlines logo]()
$719
This FlightHub deal was found by Cheapflights users on 4/25. 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.
Tue 11/32:10 pm
SFO
- SOF
1 stop15h 00m
Turkish Airlines
Tue 11/1010:05 am
SOF
- SFO
1 stop16h 40m
Turkish Airlines
Deal found 4/25![Turkish Airlines logo]()
$720
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
Mon 9/286:45 pm
SFO
- SOF
1 stop28h 00m
Turkish Airlines
Mon 10/123:50 pm
SOF
- SFO
1 stop29h 00m
Turkish Airlines
Deal found 4/27![Turkish Airlines logo]()
$732
This FlightHub deal was found by Cheapflights users on 4/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2812:55 pm
SFO
- SOF
1 stop21h 20m
Turkish Airlines
Thu 9/109:35 am
SOF
- SFO
1 stop17h 05m
Turkish Airlines
Deal found 4/29![Turkish Airlines logo]()
$735
This FlightHub deal was found by Cheapflights users on 4/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2712:55 pm
SFO
- SOF
1 stop16h 05m
Turkish Airlines
Thu 9/109:35 am
SOF
- SFO
1 stop17h 05m
Turkish Airlines
Deal found 4/29![Turkish Airlines logo]()
$736
This FlightHub deal was found by Cheapflights users on 4/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2512:55 pm
SFO
- SOF
1 stop16h 05m
Turkish Airlines
Fri 10/99:35 am
SOF
- SFO
1 stop17h 05m
Turkish Airlines
Deal found 4/27![Turkish Airlines logo]()
$737
This Gotogate deal was found by Cheapflights users on 4/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/19:05 pm
SFO
- SOF
1 stop16h 10m
Multiple Airlines
Wed 9/236:20 am
SOF
- SFO
2 stops22h 21m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$738
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 April 29, 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 April 29, 2026.
This Turkish Airlines deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/112:55 pm
SFO
- SOF
1 stop16h 05m
Turkish Airlines
Fri 10/99:35 am
SOF
- SFO
1 stop17h 05m
Turkish Airlines
Deal found 4/24![Turkish Airlines logo]()
$761
This United Airlines deal was found by Cheapflights users on 4/29. 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 7/2812:21 pm
SFO
- SOF
2 stops20h 19m
United Airlines
Fri 9/116:20 am
SOF
- SFO
1 stop16h 20m
United Airlines
Deal found 4/29![United Airlines logo]()
$770
This Turkish Airlines deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” 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 10/76:45 pm
SFO
- SOF
1 stop15h 30m
Turkish Airlines
Thu 10/159:35 am
SOF
- SFO
1 stop17h 05m
Turkish Airlines
Deal found 4/24![Turkish Airlines logo]()
$761
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1110:35 pm
SFO
- SOF
2 stops27h 35m
United Airlines
Tue 9/156:10 am
SOF
- SFO
1 stop16h 30m
United Airlines
Deal found 4/28![United Airlines logo]()
$770
This Turkish Airlines deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:45 pm
SFO
- SOF
1 stop15h 30m
Turkish Airlines
Mon 10/199:35 am
SOF
- SFO
1 stop17h 05m
Turkish Airlines
Deal found 4/24![Turkish Airlines logo]()
$801
This United Airlines deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1711:46 pm
SFO
- SOF
2 stops25h 14m
United Airlines
Sun 10/256:10 am
SOF
- SFO
1 stop16h 30m
United Airlines
Deal found 4/24![United Airlines logo]()
$842
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Wed 7/299:05 pm
SFO
- SOF
1 stop16h 10m
United Airlines
Sat 9/56:10 am
SOF
- SFO
1 stop22h 50m
United Airlines
Deal found 4/29![United Airlines logo]()
$857
This United Airlines deal was found by Cheapflights users on 4/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/299:05 pm
SFO
- SOF
1 stop16h 10m
United Airlines
Wed 8/126:10 am
SOF
- SFO
2 stops37h 15m
United Airlines
Deal found 4/26![United Airlines logo]()
$875
This United Airlines deal was found by Cheapflights users on 4/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/106:30 am
SFO
- SOF
2 stops19h 40m
United Airlines
Fri 5/226:10 am
SOF
- SFO
2 stops21h 08m
United Airlines
Deal found 4/26![United Airlines logo]()
$934
This United Airlines deal was found by Cheapflights users on 4/25. 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.
Fri 7/249:05 pm
SFO
- SOF
1 stop16h 10m
United Airlines
Mon 8/176:20 am
SOF
- SFO
2 stops37h 10m
United Airlines
Deal found 4/25![United Airlines logo]()
$949
Last-minute flights from San Francisco to SofiaDiscover last-minute flight deals from San Francisco to Sofia. Data last updated April 29, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Sofia. Data last updated April 29, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 4/27. 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 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
Thu 5/219:05 pm
SOF
- SFO
1 stop23h 45m
Turkish Airlines
Deal found 4/27![Turkish Airlines logo]()
$664
This KAYAK deal was found by Cheapflights users on 4/27. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/412:55 pm
SFO
- SOF
1 stop16h 05m
Turkish Airlines
Thu 6/49:05 pm
SOF
- SFO
1 stop23h 45m
Turkish Airlines
Deal found 4/27![Turkish Airlines logo]()
$761
This KAYAK deal was found by Cheapflights users on 4/27. 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 KAYAK 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
Mon 6/19:05 pm
SOF
- SFO
1 stop23h 45m
Turkish Airlines
Deal found 4/27![Turkish Airlines logo]()
$825
This Justfly.com deal was found by Cheapflights users on 4/27. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:45 pm
SFO
- SOF
1 stop15h 30m
Turkish Airlines
Tue 6/23:50 pm
SOF
- SFO
1 stop34h 50m
Turkish Airlines
Deal found 4/27![Turkish Airlines logo]()
$710
This Justfly.com deal was found by Cheapflights users on 4/27. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/512:55 pm
SFO
- SOF
1 stop16h 05m
Turkish Airlines
Mon 6/19:05 pm
SOF
- SFO
1 stop23h 45m
Turkish Airlines
Deal found 4/27![Turkish Airlines logo]()
$748
This Justfly.com deal was found by Cheapflights users on 4/27. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/512:55 pm
SFO
- SOF
1 stop16h 05m
Turkish Airlines
Sun 5/312:05 pm
SOF
- SFO
1 stop30h 45m
Turkish Airlines
Deal found 4/27![Turkish Airlines logo]()
$767
This Justfly.com deal was found by Cheapflights users on 4/27. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/66:45 pm
SFO
- SOF
1 stop34h 15m
Turkish Airlines
Tue 6/23:50 pm
SOF
- SFO
1 stop34h 50m
Turkish Airlines
Deal found 4/27![Turkish Airlines logo]()
$762
This KAYAK deal was found by Cheapflights users on 4/27. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/66:45 pm
SFO
- SOF
1 stop15h 30m
Turkish Airlines
Fri 5/299:35 am
SOF
- SFO
1 stop17h 05m
Turkish Airlines
Deal found 4/27![Turkish Airlines logo]()
$816
This Justfly.com deal was found by Cheapflights users on 4/27. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/66:45 pm
SFO
- SOF
1 stop32h 30m
Turkish Airlines
Sun 5/313:50 pm
SOF
- SFO
1 stop29h 00m
Turkish Airlines
Deal found 4/27![Turkish Airlines logo]()
$819
This KAYAK deal was found by Cheapflights users on 4/26. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/86:45 pm
SFO
- SOF
1 stop34h 15m
Turkish Airlines
Fri 5/229:35 am
SOF
- SFO
1 stop17h 05m
Turkish Airlines
Deal found 4/26![Turkish Airlines logo]()
$801
This oojo deal was found by Cheapflights users on 4/26. 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.
Mon 5/1112:55 pm
SFO
- SOF
1 stop16h 05m
Turkish Airlines
Mon 5/259:35 am
SOF
- SFO
1 stop35h 15m
Turkish Airlines
Deal found 4/26![Turkish Airlines logo]()
$766
This FlightHub deal was found by Cheapflights users on 4/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1112:55 pm
SFO
- SOF
1 stop16h 05m
Turkish Airlines
Tue 5/269:05 pm
SOF
- SFO
1 stop29h 35m
Turkish Airlines
Deal found 4/26![Turkish Airlines logo]()
$781
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 April 29, 2026.
Search for one-way flight options from San Francisco to Sofia. Find affordable one-way fares based on user searches. Data last updated April 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” 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 8/29:05 pm
SFO
- SOF
2 stops35h 05m
Austrian Airlines
Deal found 4/24![Austrian Airlines logo]()
$336
This oojo deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/101:43 pm
SFO
- SOF
2 stops44h 47m
British Airways
Deal found 4/24![British Airways logo]()
$341
This British Airways deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” 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 8/94:35 pm
SFO
- SOF
1 stop16h 45m
British Airways
Deal found 4/24![British Airways logo]()
$345
This Booking.com deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” 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 8/29:05 pm
SFO
- SOF
1 stop16h 10m
Lufthansa
Deal found 4/24![Lufthansa logo]()
$350
This FlightHub deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/109:05 pm
SFO
- SOF
1 stop16h 10m
Lufthansa
Deal found 4/24![Lufthansa logo]()
$353
This Lufthansa deal was found by Cheapflights users on 4/25. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/189:05 pm
SFO
- SOF
1 stop16h 10m
Lufthansa
Deal found 4/25![Lufthansa logo]()
$355
This Air Canada deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/911:47 pm
SFO
- SOF
2 stops32h 53m
Air Canada
Deal found 4/24![Air Canada logo]()
$358
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1510:55 pm
SFO
- SOF
2 stops27h 15m
United Airlines
Deal found 4/28![United Airlines logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” 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 8/134:05 pm
SFO
- SOF
2 stops57h 05m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$390
This FlightHub deal was found by Cheapflights users on 4/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/159:05 pm
SFO
- SOF
1 stop16h 10m
Lufthansa
Deal found 4/29![Lufthansa logo]()
$403
This United Airlines deal was found by Cheapflights users on 4/29. 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 8/202:00 pm
SFO
- SOF
1 stop18h 40m
United Airlines
Deal found 4/29![United Airlines logo]()
$405
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 April 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $699 (FlightHub) |
One-way from | $336 (Kiwi.com) |
Popular in | June |
Cheapest in | October |
Average price | $625 |
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 April 29, 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
Thu 10/1
12:55 pm-3:00 pm
1 stop16h 05m
Sofia
Fri 10/9
9:35 am-4:40 pm
1 stop17h 05m
$761
Quickest round-trip
San FranciscoSofia
SFO - SOF
SFOSOF
San Francisco
Wed 10/7
6:45 pm-8:15 pm
1 stop15h 30m
Sofia
Thu 10/15
9:35 am-4:40 pm
1 stop17h 05m
$761
San FranciscoSofia
SFO - SOF
SFOSOF
San Francisco
Tue 7/28
12:21 pm-6:40 pm
2 stops20h 19m
Sofia
Fri 9/11
6:20 am-12:40 pm
1 stop16h 20m
$770
San FranciscoSofia
SFO - SOF
SFOSOF
San Francisco
Tue 8/11
10:35 pm-12:10 pm
2 stops27h 35m
Sofia
Tue 9/15
6:10 am-12:40 pm
1 stop16h 30m
$770
San FranciscoSofia
SFO - SOF
SFOSOF
San Francisco
Thu 10/15
6:45 pm-8:15 pm
1 stop15h 30m
Sofia
Mon 10/19
9:35 am-4:40 pm
1 stop17h 05m
$801
San FranciscoSofia
SFO - SOF
SFOSOF
San Francisco
Sat 10/17
11:46 pm-11:00 am
2 stops25h 14m
Sofia
Sun 10/25
6:10 am-1:40 pm
1 stop16h 30m
$842
San FranciscoSofia
SFO - SOF
SFOSOF
San Francisco
Wed 7/29
9:05 pm-11:15 pm
1 stop16h 10m
Sofia
Sat 9/5
6:10 am-7:00 pm
1 stop22h 50m
$857
San FranciscoSofia
SFO - SOF
SFOSOF
San Francisco
Wed 7/29
9:05 pm-11:15 pm
1 stop16h 10m
Sofia
Wed 8/12
6:10 am-9:25 am
2 stops37h 15m
$875
San FranciscoSofia
SFO - SOF
SFOSOF
San Francisco
Sun 5/10
6:30 am-12:10 pm
2 stops19h 40m
Sofia
Fri 5/22
6:10 am-5:18 pm
2 stops21h 08m
$934
San FranciscoSofia
SFO - SOF
SFOSOF
San Francisco
Fri 7/24
9:05 pm-11:15 pm
1 stop16h 10m
Sofia
Mon 8/17
6:20 am-9:30 am
2 stops37h 10m
$949
Showing 1-10 of 17 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 April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 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?
To ensure you get the cheapest price possible for a flight from San Francisco to Sofia, you should look to book at least 46 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 $620). Flying from San Francisco to Sofia in June is currently the most expensive (average of $1,144). 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?
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 April 29, 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.
Food
7.1
Overall
7.5
Crew
8.2
Boarding
7.5
Comfort
7.4
Entertainment
6.9
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
NQZ - WAW
Food
7.1
Overall
7.5
Crew
8.2
Boarding
7.5
Comfort
7.4
Entertainment
6.9
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
NQZ - WAW
Food
7.1
Overall
7.5
Crew
8.2
Boarding
7.5
Comfort
7.4
Entertainment
6.9
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
NQZ - WAW
Food
7.1
Overall
7.5
Crew
8.2
Boarding
7.5
Comfort
7.4
Entertainment
6.9
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
NQZ - WAW
Food
7.1
Overall
7.5
Crew
8.2
Boarding
7.5
Comfort
7.4
Entertainment
6.9
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
NQZ - WAW
Food
7.1
Overall
7.5
Crew
8.2
Boarding
7.5
Comfort
7.4
Entertainment
6.9
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
NQZ - 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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Search flights from San Francisco to Sofia by cabin class
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 April 29, 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 April 29, 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 April 29, 2026.
Top 6 airlines flying from San Francisco to Sofia
Discover the top 6 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 April 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$455 | Average$689 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$544 | Average$761 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$594 | Average$695 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$603 | Average$825 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$627 | Average$1,336 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$651 | Average$1,041 | FlexibilityNo cancel fee | On-time81% |