HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Francisco

$433+ Cheap flights from Bulgaria to San Francisco (SFO)

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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — SFO
avr. 27 — mai 41
dim. 4/27
dim. 5/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Bulgaria to San Francisco with Cheapflights

1. Tell us where you want to go

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

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Bulgaria to San Francisco

Keep the following information in mind while searching for Bulgaria to San Francisco flight deals. Data was last updated avril 22, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$776
(American Airlines)

One-way from

$433
(Kiwi.com)

Popular in

January

Cheapest in

February

Average price

$878
Provider with most accurate pricing for Sofia-San Francisco flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sofia-San Francisco flights.
Search Deals
From Bulgaria to San Francisco
Search Deals
One-way flight from Bulgaria to San Francisco
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($4 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Bulgaria to San Francisco

Cheapest flights from Bulgaria to San Francisco
Explore the most affordable flight options available from Bulgaria to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on avril 22, 2025.

This American Airlines deal was found by Cheapflights users on 4/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/128:00 pmSOF - SFO
1 stop27h 50mAmerican Airlines
dim. 5/254:20 pmSFO - SOF
1 stop16h 50mAmerican Airlines
Deal found 4/22$776
This British Airways deal was found by Cheapflights users on 4/22. 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.
lun. 5/128:00 pmSOF - SFO
2 stops31h 35mBritish Airways
dim. 5/254:20 pmSFO - SOF
1 stop16h 50mBritish Airways
Deal found 4/22$793
This Flightnetwork deal was found by Cheapflights users on 4/22. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/123:30 pmSOF - SFO
1 stop34h 40mSWISS
dim. 5/257:30 pmSFO - SOF
1 stop31h 00mSWISS
Deal found 4/22$899
This FlightHub deal was found by Cheapflights users on 4/22. 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.
dim. 6/13:35 pmSOF - SFO
1 stop35h 05mTurkish Airlines
dim. 6/1512:40 pmSFO - SOF
1 stop33h 55mTurkish Airlines
Deal found 4/22$922
This Gotogate deal was found by Cheapflights users on 4/22. 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.
lun. 5/126:55 pmSOF - SFO
2 stops34h 05mAustrian Airlines
dim. 5/259:05 pmSFO - SOF
2 stops35h 05mAustrian Airlines
Deal found 4/22$932
This CheapOair deal was found by Cheapflights users on 4/22. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 6/16:00 amSOF - SFO
2 stops39h 35mAir Canada
dim. 6/1511:55 pmSFO - SOF
2 stops27h 05mAir Canada
Deal found 4/22$985
This United Airlines deal was found by Cheapflights users on 4/22. 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.
dim. 6/16:20 amSOF - SFO
2 stops19h 50mUnited Airlines
dim. 6/159:05 pmSFO - SOF
1 stop15h 55mUnited Airlines
Deal found 4/22$1,030
This Expedia deal was found by Cheapflights users on 4/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 4/268:00 amSOF - SFO
2 stops21h 14mMultiple Airlines
sam. 5/31:45 pmSFO - SOF
1 stop18h 55mMultiple Airlines
Deal found 4/22$1,053
This Gotogate deal was found by Cheapflights users on 4/22. 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.
sam. 4/267:00 amSOF - SFO
1 stop16h 15mITA Airways
sam. 5/33:15 pmSFO - SOF
1 stop34h 45mITA Airways
Deal found 4/22$1,457
This KLM deal was found by Cheapflights users on 4/22. 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.
jeu. 4/247:00 amSOF - SFO
2 stops21h 43mKLM
mar. 5/61:45 pmSFO - SOF
1 stop14h 15mKLM
Deal found 4/22$3,665
This Lufthansa deal was found by Cheapflights users on 4/22. 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.
lun. 4/286:00 amSOF - SFO
1 stop23h 00mLufthansa
mer. 5/71:10 pmSFO - SOF
2 stops23h 50mLufthansa
Deal found 4/22$3,696

Cheapflights Fare Finder

Customize your flight search to find flights from Bulgaria to San Francisco 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 avril 22, 2025.
Use the filters below to find and compare flights from Bulgaria to San Francisco that are best for you.

Fly from

Bulgaria

Fly to

San Francisco

Route

Depart

Return

Price

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

lun. 5/12

8:00 pm-1:50 pm

1 stop27h 50m

San Francisco

dim. 5/25

4:20 pm-7:10 pm

1 stop16h 50m

$776

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

lun. 5/12

8:00 pm-5:35 pm

2 stops31h 35m

San Francisco

dim. 5/25

4:20 pm-7:10 pm

1 stop16h 50m

$793

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

lun. 5/12

3:30 pm-4:10 pm

1 stop34h 40m

San Francisco

dim. 5/25

7:30 pm-12:30 pm

1 stop31h 00m

$899

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

dim. 6/1

3:35 pm-4:40 pm

1 stop35h 05m

San Francisco

dim. 6/15

12:40 pm-8:35 am

1 stop33h 55m

$922

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

lun. 5/12

6:55 pm-7:00 pm

2 stops34h 05m

San Francisco

dim. 5/25

9:05 pm-6:10 pm

2 stops35h 05m

$932

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

dim. 6/1

6:00 am-11:35 am

2 stops39h 35m

San Francisco

dim. 6/15

11:55 pm-1:00 pm

2 stops27h 05m

$985

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

dim. 6/1

6:20 am-4:10 pm

2 stops19h 50m

San Francisco

dim. 6/15

9:05 pm-11:00 pm

1 stop15h 55m

$1,030

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

lun. 5/12

4:05 pm-2:35 pm

3 stops32h 30m

San Francisco

dim. 5/25

7:40 pm-3:35 pm

3 stops33h 55m

$1,096

SofiaSan Francisco

SOF - SFO

SOFSFO

Sofia

lun. 4/28

9:15 pm-12:45 pm

3 stops49h 30m

$433

VarnaSan Francisco

VAR - SFO

VARSFO

Varna

mar. 8/5

9:15 am-8:30 pm

2 stops21h 15m

$873

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 12 results
1
2

Best time to book a flight from Bulgaria to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Bulgaria with our price prediction graph.
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 Bulgaria to San Francisco

What is the cheapest month to book a flight from Bulgaria to San Francisco?

Currently, January is the cheapest month in which you can book a flight from Bulgaria to San Francisco (average of $276). Flying from Bulgaria to San Francisco in June is currently the most expensive (average of $393). 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.

What is the cheapest time of day to fly from BG to SFO?

Find hourly flight availability from Bulgaria to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated avril 22, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Bulgaria to San Francisco as you normally would.

Rainfall in San Francisco by month

Plan your trip to San Francisco by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit San Francisco when rainfall is around 0.0 in.

Temperature in San Francisco by month

Plan your trip to San Francisco by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. 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 San Francisco. Reviews last updated avril 22, 2025.
Read reviews from past customers who have flown Austrian Airlines, SWISS and Air France from Bulgaria to San Francisco. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Austrian Airlines
7.6
Good
780 reviews

Comfort

7.3

Entertainment

6.7

Overall

7.6

Crew

8.1

Food

6.7

Boarding

7.6

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
Austrian Airlines
7.6
Good
780 reviews
Austrian Airlines
7.6
Good
780 reviews

Comfort

7.3

Entertainment

6.7

Overall

7.6

Crew

8.1

Food

6.7

Boarding

7.6

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
SWISS
7.5
Good
1,582 reviews
Austrian Airlines
7.6
Good
780 reviews

Comfort

7.3

Entertainment

6.7

Overall

7.6

Crew

8.1

Food

6.7

Boarding

7.6

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
Air France
7.4
Good
1,441 reviews
Austrian Airlines
7.6
Good
780 reviews

Comfort

7.3

Entertainment

6.7

Overall

7.6

Crew

8.1

Food

6.7

Boarding

7.6

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
United Airlines
7.4
Good
8,683 reviews
Austrian Airlines
7.6
Good
780 reviews

Comfort

7.3

Entertainment

6.7

Overall

7.6

Crew

8.1

Food

6.7

Boarding

7.6

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
Turkish Airlines
7.3
Good
3,773 reviews
Austrian Airlines
7.6
Good
780 reviews

Comfort

7.3

Entertainment

6.7

Overall

7.6

Crew

8.1

Food

6.7

Boarding

7.6

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.

Related info for your journey

Find useful and relevant information for your journey from Bulgaria to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to San Francisco from Bulgaria?

    Most people fly into San Francisco (SFO) if they book a flight to San Francisco from Bulgaria. San Francisco is conveniently located just 11.8 mi from San Francisco’s city center.

  • What are the cheapest airlines to fly from Bulgaria to San Francisco one-way?

    $873 is the cheapest one-way deal found within the past few days, from Lufthansa. You may also be able to find cheap deals on SWISS and Air France, with prices starting from $890 and $1,153, respectively.

  • Can I find deals for flights from Bulgaria to San Francisco that include hotel bookings?

    Yes. In addition to deals on Bulgaria to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Bulgaria to San Francisco?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Bulgaria to San Francisco.

  • Can I find deals for business class flights from Bulgaria to San Francisco?

    Yes. Cheapflights offers flight deals from Bulgaria to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Bulgaria to San Francisco?

    Currently, January is the cheapest month in which you can book a flight from Bulgaria to San Francisco (average of $276). Flying from Bulgaria to San Francisco in June is currently the most expensive (average of $393). 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.

See more FAQs

Traveling to a place near Bulgaria?

Book flights to Bulgaria if you plan to visit one of these locations
Roseville
Mountain View
Santa Cruz
Turlock
Livermore
South San Francisco
Fairfield
Manteca
Richmond
Watsonville
Hollister
Milpitas
Antioch
Sausalito
Vallejo
Newark
Hayward
Alameda
Sunnyvale
Campbell

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Bulgaria to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.
Frankfurt to Los Angeles flights
Heathrow to Los Angeles flights
Charles de Gaulle to Los Angeles flights
Charles de Gaulle to San Francisco flights
Frankfurt to Las Vegas flights
Heathrow to San Francisco flights
Orly to Los Angeles flights
Malpensa to Los Angeles flights
Charles de Gaulle to Burbank flights
Heathrow to Las Vegas flights
Frankfurt to San Francisco flights
Vienna to Los Angeles flights
Linate to Los Angeles flights
Madrid to Los Angeles flights
Orly to San Francisco flights
Zurich to Los Angeles flights
Munich to Los Angeles flights
Barcelona-El Prat to Los Angeles flights
London City to Los Angeles flights
Charles de Gaulle to Long Beach flights
Charles de Gaulle to Santa Ana flights
Gatwick to San Francisco flights
Charles de Gaulle to Las Vegas flights
Frankfurt to Ontario flights
Munich to San Francisco flights
Bruxelles-National to Los Angeles flights
London City to San Francisco flights
Orly to Las Vegas flights
Zurich to San Francisco flights
Malpensa to Santa Ana flights
Frederic Chopin to Los Angeles flights
Barcelona-El Prat to San Francisco flights
Frankfurt to Santa Ana flights
Gatwick to Las Vegas flights
Gatwick to Los Angeles flights
Charles de Gaulle to Oakland flights
Leonardo da Vinci/Fiumicino to San Francisco flights
Luton to Los Angeles flights
Frankfurt to Long Beach flights
Beauvais-Tille to Los Angeles flights
Istanbul to Los Angeles flights
Istanbul to San Francisco flights
Frankfurt to San Jose flights
Amsterdam to San Francisco flights
Berlin to Los Angeles flights
Heathrow to Ontario flights

Top 3 airlines flying from Bulgaria to San Francisco

Discover the top 3 airlines that operate flights from Bulgaria to San Francisco. 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 avril 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$737Average$1,023FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$799Average$952FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$820Average$927FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.