Cheap Flights from San Francisco International to Sofia

Compare San Francisco International to Sofia flight deals

Find the cheapest month or even day of the year to fly to Sofia

Book the best Sofia fare with no extra fees

Flight deals from San Francisco International to Sofia

Looking for a cheap last-minute deal or the best return flight from San Francisco International to Sofia? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from San Francisco International to Sofia

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Francisco International to Sofia flights are currently cheapest in July.

San Francisco International to Sofia: Alternative routes

Compare routes from San Francisco International to Sofia below. You may find an airport to fly into that's cheaper, faster, or easier than Sofia.

San Francisco to Sofia: Flight information

The things to know before you go.
Cheapest flight foundR 3,898
Cheapest month to flyJuly

Finding cheap flights from San Francisco International to Sofia: Frequently asked questions

The best price we found for a return flight from San Francisco International to Sofia is R 8,753. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from San Francisco International to Sofia. But we found flights with one or more stops from R 8,753.
As of February 2026, there are no flights flying from San Francisco International to Sofia.
The cheapest month to fly from San Francisco International to Sofia is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Francisco International Airport to Sofia Airport on Tuesday, 18 August 2026.
No airlines currently offer direct flights between San Francisco International Airport and Sofia Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Sofia but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Sofia is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Lufthansa offers the cheapest flight tickets to Sofia.

Flying from San Francisco International Airport (SFO) to Sofia Airport (SOF): what you need to know

  • Sofia is nine hours ahead of San Francisco and follows the UTC+2 timezone.

  • Your SFO to SOF flight won't wait if you're running late, so get to the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're travelling internationally.

  • Travelling during a peak time such as August? Public holidays and other popular periods can mean longer lines and delays at security. Play it safe and get there up to four hours ahead of an international flight and two hours before a domestic departure.

  • Think about adding a stopover when booking your ticket from San Francisco International Airport to Sofia Airport. Just deselect 'Direct flights only' to break up your journey, or enjoy a detour to a new and interesting place. Here's where you can stop between SFO and SOF:

    • Zurich Airport

    • Leonardo da Vinci-Fiumicino Airport

    • London Heathrow Airport

How to find the cheapest flights from San Francisco International Airport (SFO) to Sofia Airport (SOF)

  • At the moment, R 3,898 is the cheapest price we've found for a one-way San Francisco International Airport to Sofia Airport flight. The best price for a return ticket is R 8,753. Keep in mind that fares could change due to demand when booking.

  • Don't wait until the last moment. You're more likely to get cheap tickets from SFO to SOF if you book ahead. Airlines often have some fantastic early bird deals.

  • Getting cheap flights from San Francisco International Airport to Sofia Airport is easier if you're flexible with your dates. Use the 'Whole month' tool to see the best prices across every month and snap up a great deal.

  • You won't have to check every day to find out if fares have dropped when you set up a Price Alert. We'll notify you the moment there's a new deal on cheap flights from SFO to SOF.

  • Discover the ideal flight for you with the help of the filters. To see the 'Best,' 'Cheapest' or 'Fastest' flights from San Francisco International Airport to Sofia Airport, use the 'Sort by' tool. You can also filter results by departure and arrival times, airline, and number of stops.

Handy information about San Francisco International Airport (SFO)

  • 77.36% of flights leaving from San Francisco International Airport reach their destination on schedule.

  • To reach San Francisco International Airport from central San Francisco, it takes about 20 minutes if you're going by car. This depends on traffic though. It's approximately 21 kilometres from the airport to the city centre.

  • Expect a trip time of around 45 minutes on public transport.

  • Booked an early flight from San Francisco International Airport to Sofia Airport? Avoid the stress of rushing to the terminal (and enjoy a little extra shut-eye) by choosing one of these hotels near SFO:

Arriving at Sofia Airport (SOF)

  • If you're arriving on a late San Francisco International Airport to Sofia Airport flight, nothing tops the convenience of staying close to the terminal. Grab your suitcases from the carousel and then be showered and sleeping not long after at one of these hotels near SOF:

  • Get your adventure underway by picking up a Sofia Airport rental car. Grab a set of wheels from MEX, Surprice or NU Car Rentals and experience the lesser-explored corners of Sofia and beyond.

  • Reserving your ride from Sofia Airport about one week in advance gives you the best shot at securing a great deal.

Getting from Sofia Airport (SOF) to central Sofia

  • Sofia Airport to the centre of Sofia has a drive time of about 15 minutes. It's approximately 11 kilometres away.

  • It'll take around 35 minutes to get there by public transport.

When to fly to Sofia Airport (SOF)

  • It's time to plan your trip dates for your flight from San Francisco International Airport to Sofia Airport. August is the busiest month to head to Sofia. If you prefer a more relaxed vibe, go in April.

  • Before locking in your flight from San Francisco International Airport to Sofia Airport, think about the kind of weather you like. August is the warmest month in Sofia, with temperatures ranging from 14ºC (57ºF) to 30ºC (86ºF).

  • January sees average temperatures of between -11ºC (12ºF) and 7ºC (45ºF). Look for cheap tickets from SFO to SOF around that time if you want to travel in cooler conditions.

Explore more of Bulgaria

  • You've seen Sofia, now it's time to explore more of Bulgaria. Journey about 129 kilometres south-east to Plovdiv to check off its popular sights. From Plovdiv Old Town to Plovdiv Roman Theatre and Archaelogical Complex Nebet Tepe, there's plenty to keep you busy.

  • Varna is another essential stop in Bulgaria and is around 386 kilometres east of Sofia. No journey is complete without experiencing Park Asparuhovo - Asparuhovo sea garden, Dormition of theotokos Cathedral and Sunset viewpoint (място за гледане на Залеза).

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.