San Francisco (SFO) → Sofia (SOF)
About San Francisco to Sofia Flights
Discover the best flights from San Francisco to Sofia, covering 10,438 km in approximately 13h 33m. San Francisco (SFO) to Sofia (SOF) is one of the major long-haul routes connecting United States and Bulgaria. With 7 major airlines operating this route, travelers have plenty of options to choose from. Whether you're traveling for business or leisure, our comprehensive guide helps you find the best deals, understand seasonal price variations, and choose the right airline for your journey from San Francisco to Sofia.
12-Month Price History
Flight prices from San Francisco to Sofia vary significantly throughout the year. February typically offers the best deals with average prices around $1887, while July sees the highest prices, averaging $3116. Savvy travelers can save up to 39% by choosing their travel dates wisely.
Best Time to Fly
Cheapest Month
February
Save up to 40% on average
Most Expensive
July
Peak season pricing
Book in Advance
160 days
For best prices
Booking Tips
For the best prices on San Francisco to Sofia flights, we recommend booking 126 days in advance. International flights typically see price increases as the departure date approaches, so early booking is advisable. Tuesday and Wednesday departures often offer the lowest fares, while Friday and Sunday flights tend to be more expensive due to business and leisure travel demand. Consider flying early morning or late evening for additional savings, as these off-peak times usually have lower demand.
Airlines Serving This Route
| Airline | Economy | Business | First |
|---|---|---|---|
Alaska Airlines AS | $3030 | $13470 | $18030 |
Delta Air Lines DL | $3110 | $11590 | $21770 |
Bulgaria Air FB | $3190 | $10780 | $17380 |
Air France AF | $3320 | $11020 | $21470 |
United Airlines UA | $3550 | $11270 | $19860 |
American Airlines AA | $3600 | $10490 | $18960 |
British Airways BA | $3640 | $12260 | $19710 |
Alaska Airlines
AS
Economy
$3030
Business
$13470
First
$18030
Delta Air Lines
DL
Economy
$3110
Business
$11590
First
$21770
Bulgaria Air
FB
Economy
$3190
Business
$10780
First
$17380
Air France
AF
Economy
$3320
Business
$11020
First
$21470
United Airlines
UA
Economy
$3550
Business
$11270
First
$19860
American Airlines
AA
Economy
$3600
Business
$10490
First
$18960
British Airways
BA
Economy
$3640
Business
$12260
First
$19710
Prices shown are estimates based on historical data. Actual prices may vary based on dates, availability, and current promotions.
Alternative Flight Options
San Jose → Sofia
San Jose International (SJC) to Sofia (SOF)
Distance: 10,447 km
Average price: $2167
Oakland → Sofia
Oakland International (OAK) to Sofia (SOF)
Distance: 10,422 km
Average price: $2162
Sacramento → Sofia
Sacramento International (SMF) to Sofia (SOF)
Distance: 10,300 km
Average price: $2139
San Jose → Sofia
San Jose International (SJC) to Sofia (SOF)
Distance: 10,447 km
Average price: $2167
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Frequently Asked Questions
How long is the flight from San Francisco to Sofia?
The flight time from San Francisco (SFO) to Sofia (SOF) is approximately 13 hours and 33 minutes. This duration is for direct flights and may vary depending on aircraft type, weather conditions, and air traffic.
What is the distance between San Francisco and Sofia?
The aerial distance between San Francisco and Sofia is 10,438 kilometers (6,486 miles). This is the straight-line distance, which is used to calculate flight times.
Which airlines fly from San Francisco to Sofia?
Several airlines operate flights between San Francisco and Sofia, including United Airlines, Alaska Airlines, Bulgaria Air and 4 more airlines. Most flights on this route include one or more stops.
What is the cheapest month to fly from San Francisco to Sofia?
Based on historical data, February typically offers the lowest airfares for flights from San Francisco to Sofia. However, prices can vary based on holidays, events, and airline promotions. We recommend checking our price calendar for the most up-to-date information.
How far in advance should I book my flight to Sofia?
For the best prices on San Francisco to Sofia flights, we recommend booking 177 days in advance. International flights generally require earlier booking than domestic routes.
Do I need a visa to travel from San Francisco to Sofia?
Visa requirements depend on your nationality and the purpose of your visit. Citizens of United States traveling to Bulgaria should check the latest visa requirements. Visit our partner site visarequirements.io for detailed visa information.
What is the time difference between San Francisco and Sofia?
San Francisco operates on America/Los_Angeles time zone, while Sofia is in the Europe/Sofia time zone. For current time differences and to plan your schedule, visit our partner site timezig.com for accurate timezone conversions.