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$744+ Cheap flights from Oakland, CA (OAK) to Bulgaria

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 3/19. Fares are subject to change and may not be available on all flights or dates of travel.
OAK — SOF
Mar 14 — Mar 211
Sat 3/14
Sat 3/21
1 adult, Economy
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Cheap flight deals from Oakland to Bulgaria

Cheapest flights from Oakland to Bulgaria
Explore the most affordable flight options available from Oakland to Bulgaria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 12, 2026.

This oojo deal was found by Cheapflights users on 2/12. 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.
Sun 5/177:00 am
OAK
-
SOF
2 stops26h 20m
British Airways
Sun 5/319:05 pm
SOF
-
OAK
2 stops32h 00m
British Airways
Deal found 2/12$915
This oojo deal was found by Cheapflights users on 2/10. 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 8/242:38 pm
OAK
-
SOF
2 stops43h 52m
British Airways
Mon 8/318:10 pm
SOF
-
OAK
2 stops35h 56m
British Airways
Deal found 2/10$956
This oojo deal was found by Cheapflights users on 2/11. 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.
Fri 4/242:09 pm
OAK
-
SOF
2 stops44h 01m
British Airways
Sun 5/179:05 pm
SOF
-
OAK
2 stops32h 00m
British Airways
Deal found 2/11$980
This oojo deal was found by Cheapflights users on 2/11. 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.
Fri 8/141:20 pm
OAK
-
SOF
2 stops44h 50m
British Airways
Fri 8/282:15 pm
SOF
-
OAK
2 stops41h 51m
British Airways
Deal found 2/11$1,227
This oojo deal was found by Cheapflights users on 2/11. 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 6/151:20 pm
OAK
-
SOF
2 stops45h 10m
British Airways
Mon 6/298:10 pm
SOF
-
OAK
2 stops36h 37m
British Airways
Deal found 2/11$1,315

Find flight deals from Oakland to Bulgaria

Keep the following information in mind while searching for Oakland to Bulgaria flight deals. Data was last updated February 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$760
(oojo)

One-way from

$744
(oojo)

Popular in

June

Cheapest in

March

Average price

$706
Provider with most accurate pricing for San Francisco-Sofia flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Sofia flights.
Search Deals
From Oakland to Bulgaria
Search Deals
One-way flight from Oakland to Bulgaria
Search Deals
Highest demand for flights based on searches. 27% potential increase in price ($310 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($49 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Oakland to Bulgaria 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 February 12, 2026.
Use the filters below to find and compare flights from Oakland to Bulgaria that are best for you.

Fly from

Oakland

Fly to

Bulgaria

Route

Depart

Return

Price

OaklandSofia

OAK - SOF

OAKSOF

Oakland

Sun 5/17

7:00 am-7:20 pm

2 stops26h 20m

Sofia

Sun 5/31

9:05 pm-7:05 pm

2 stops32h 00m

$915

OaklandSofia

OAK - SOF

OAKSOF

Oakland

Fri 4/24

2:09 pm-8:10 pm

2 stops44h 01m

Sofia

Sun 5/17

9:05 pm-7:05 pm

2 stops32h 00m

$980

OaklandSofia

OAK - SOF

OAKSOF

Oakland

Mon 6/15

1:20 pm-8:30 pm

2 stops45h 10m

Sofia

Mon 6/29

8:10 pm-10:47 pm

2 stops36h 37m

$1,315

OaklandSofia

OAK - SOF

OAKSOF

Oakland

Thu 3/19

11:47 am-11:15 am

2 stops38h 28m

$744

OaklandSofia

OAK - SOF

OAKSOF

Oakland

Fri 3/20

11:47 am-1:00 pm

2 stops40h 13m

$829

OaklandSofia

OAK - SOF

OAKSOF

Oakland

Fri 2/20

9:54 am-1:00 pm

2 stops41h 06m

$829

OaklandSofia

OAK - SOF

OAKSOF

Oakland

Wed 4/15

7:00 am-1:25 pm

2 stops44h 25m

$3,797

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/10

Best time to book a flight from Oakland to Bulgaria

Have a flexible travel schedule? Discover the best time to fly to Bulgaria from Oakland 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 Oakland to Bulgaria

What is the cheapest month to book a flight from Oakland, California to Bulgaria?

Currently, August is the cheapest month in which you can book a flight from Oakland, California to Bulgaria (average of $439). Flying from Oakland, California to Bulgaria in June is currently the most expensive (average of $691). 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.

Related info for your journey

Find useful and relevant information for your journey from Oakland to Bulgaria. 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 from for flights from Oakland to Bulgaria?

    Most people fly from Oakland (OAK) if they book a flight from Oakland to Bulgaria. Oakland is conveniently located just 7.0 mi from Oakland’s city center.

  • How long is the flight from Oakland, California to Bulgaria?

    For as low as $915, British Airways can have you in Bulgaria from Oakland, California in 26h 20m. Airlines will cover a distance of 6472 mi.

  • What are the most popular routes from Oakland, California to Bulgaria?

    While some choose either Oakland - Bourgas or Oakland - Varna, Oakland - Sofia is the most popular route from Oakland, California to Bulgaria.

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

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

  • How can I find direct flights from Oakland to Bulgaria?

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

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

    Yes. Cheapflights offers flight deals from Oakland to Bulgaria 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 Oakland, California to Bulgaria?

    Currently, August is the cheapest month in which you can book a flight from Oakland, California to Bulgaria (average of $439). Flying from Oakland, California to Bulgaria in June is currently the most expensive (average of $691). 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

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