Cheap flights from San Francisco to Bulgaria from $369
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Bulgaria departing on 12/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Fly from
Fly to
Route
Depart
Return
San FranciscoSofia
SFO San Francisco - SOF Sofia
SFOSOF
San Francisco
Wed 4/7
9:05 pm-11:00 pm
1 stop15h 55m
Sofia
Wed 4/21
6:20 am-8:31 pm
2 stops24h 11m
San FranciscoSofia
SFO San Francisco - SOF Sofia
SFOSOF
San Francisco
Wed 2/3
9:40 pm-10:55 pm
1 stop15h 15m
Sofia
Wed 2/17
6:00 am-7:35 pm
1 stop23h 35m
San FranciscoSofia
SFO San Francisco - SOF Sofia
SFOSOF
San Francisco
Mon 2/8
9:40 pm-10:55 pm
1 stop15h 15m
Sofia
Mon 2/22
3:00 pm-4:30 pm
1 stop35h 30m
San FranciscoSofia
SFO San Francisco - SOF Sofia
SFOSOF
San Francisco
Wed 1/6
9:40 pm-10:55 pm
1 stop15h 15m
Sofia
Wed 1/20
6:25 am-12:35 pm
1 stop16h 10m
San FranciscoSofia
SFO San Francisco - SOF Sofia
SFOSOF
San Francisco
Mon 4/5
10:36 pm-8:30 pm
2 stops35h 54m
Sofia
Mon 4/19
8:10 pm-1:50 pm
1 stop27h 40m
San FranciscoSofia
SFO San Francisco - SOF Sofia
SFOSOF
San Francisco
Mon 1/11
9:40 pm-10:55 pm
1 stop15h 15m
Sofia
Thu 1/14
6:25 am-4:05 pm
1 stop19h 40m
San FranciscoSofia
SFO San Francisco - SOF Sofia
SFOSOF
San Francisco
Mon 2/8
10:21 pm-8:10 pm
2 stops35h 49m
Sofia
Mon 2/22
5:15 pm-9:37 pm
2 stops38h 22m
San FranciscoSofia
SFO San Francisco - SOF Sofia
SFOSOF
San Francisco
Mon 2/1
10:15 am-10:55 pm
2 stops26h 40m
Sofia
Wed 2/17
6:25 am-12:35 pm
1 stop16h 10m
San FranciscoSofia
SFO San Francisco - SOF Sofia
SFOSOF
San Francisco
Wed 3/10
7:35 pm-8:50 pm
1 stop15h 15m
Sofia
Thu 3/25
9:30 am-5:30 pm
1 stop17h 00m
San FranciscoSofia
SFO San Francisco - SOF Sofia
SFOSOF
San Francisco
Mon 3/8
7:35 pm-8:50 pm
1 stop15h 15m
Sofia
Thu 3/25
9:30 am-5:30 pm
1 stop17h 00m
See travel insights to Bulgaria from
How to get the cheapest flight ticket from San Francisco to Bulgaria
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Bulgaria?
If you aren’t able to travel to Bulgaria during the month of April, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $657.
How far in advance should I book a flight from San Francisco to Bulgaria?
You are more likely to see cheaper flights to Bulgaria from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Bulgaria for around $816 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bulgaria from San Francisco for as low as $682 on momondo.
What is the cheapest airline that flies from San Francisco to Bulgaria?
Austrian Airlines and Lufthansa are the most popular carriers operating from San Francisco to Bulgaria
What airlines fly to Bulgaria?
Turkish Airlines, Lufthansa and United Airlines are the top three most popular airlines that fly to Bulgaria from San Francisco according to our data. Turkish Airlines is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Bulgaria. Keep in mind that there are 5 different airlines that fly to Bulgaria on a routine basis, so you have a few additional options to choose from.
Cheap San Francisco to Bulgaria flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from San Francisco to Bulgaria
Frequently asked questions about flying from San Francisco to Bulgaria
When did momondo last update prices for flights from San Francisco Airport to Bulgaria?
Prices for flights from San Francisco Airport to Bulgaria refresh daily.
How many operators does momondo search for flights from San Francisco Airport to Bulgaria?
As of October 2026, there are 5 operators available to choose from for flights from San Francisco Airport to Bulgaria.
How old do you have to be to fly from San Francisco Airport to Bulgaria?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport to Bulgaria.
What documentation or ID do you need to fly to Bulgaria?
The required travel and health documents for your Bulgaria trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Bulgaria. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
Best airlines flying from San Francisco to Bulgaria
Compare and see reviews for airlines that fly from San Francisco to Bulgaria with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $391 | Free Cancellation | Rating 7.4 4,455 reviews | |||
| PriceFrom $544 | Free Cancellation | Rating 6.8 8,272 reviews | |||
| PriceFrom $571 | Free Cancellation | Rating 6.7 8,256 reviews | |||
| PriceFrom $603 | Free Cancellation | Rating 7.4 10,328 reviews | |||
| PriceFrom $627 | Free Cancellation | Rating 7.6 1,194 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from San Francisco to Bulgaria?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Bulgaria from San Francisco.
Can I find flights from San Francisco to Bulgaria with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Bulgaria from San Francisco with this policy.
How can momondo help me find flights from San Francisco to Bulgaria?
Once all potential San Francisco to Bulgaria flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from San Francisco to Bulgaria right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of San Francisco to Bulgaria flights. All you need is a valid email address and we will do the rest; it is that quick and easy.