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Bulgaria

$417+ Cheap flights from Fremont, CA 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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SOF
May 3 — May 101
Sat 5/3
Sat 5/10
1 adult, Economy
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Cheap flight deals from Fremont to Bulgaria

Keep the following information in mind while searching for Fremont to Bulgaria flight deals. Data was last updated April 28, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$696
(Gotogate)

One-way from

$417
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$663
Provider with most accurate pricing for San Francisco-Sofia flight deals.
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Provider most trusted by Cheapflights users for San Francisco-Sofia flights.
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From Fremont to Bulgaria
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One-way flight from Fremont to Bulgaria
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Highest demand for flights based on searches. 30% potential increase in price ($374 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($57 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Fremont to Bulgaria

Cheapest flights from Fremont to Bulgaria
Explore the most affordable flight options available from Fremont to Bulgaria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 28, 2025.

This United Airlines deal was found by Cheapflights users on 4/28. 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.
Sat 10/259:35 pmSFO - SOF
1 stop16h 10mUnited Airlines
Sat 11/86:05 amSOF - SFO
1 stop18h 45mUnited Airlines
Deal found 4/28$688
This Gotogate deal was found by Cheapflights users on 4/27. 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.
Sun 7/209:05 pmSFO - SOF
2 stops28h 35mAustrian Airlines
Wed 8/206:55 pmSOF - SFO
2 stops34h 05mAustrian Airlines
Deal found 4/27$696
This FlightHub deal was found by Cheapflights users on 4/28. 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.
Sun 9/286:45 pmSFO - SOF
1 stop15h 40mTurkish Airlines
Sun 10/129:25 amSOF - SFO
1 stop17h 15mTurkish Airlines
Deal found 4/28$719
This Expedia deal was found by Cheapflights users on 4/28. 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.
Tue 8/267:30 pmSFO - SOF
1 stop28h 35mMultiple Airlines
Tue 9/96:20 amSOF - SFO
2 stops25h 20mMultiple Airlines
Deal found 4/28$721
This British Airways deal was found by Cheapflights users on 4/27. 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.
Mon 8/2510:28 pmSFO - SOF
2 stops36h 12mBritish Airways
Mon 9/88:00 pmSOF - SFO
1 stop27h 50mBritish Airways
Deal found 4/27$726
This Booking.com deal was found by Cheapflights users on 4/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/309:05 pmSFO - SOF
1 stop15h 55mLufthansa
Wed 8/137:25 pmSOF - SFO
1 stop33h 35mLufthansa
Deal found 4/28$729
This Justfly.com deal was found by Cheapflights users on 4/28. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/611:45 pmSFO - SOF
2 stops32h 55mAir Canada
Sun 10/196:20 amSOF - SFO
2 stops19h 08mAir Canada
Deal found 4/28$784
This Gotogate deal was found by Cheapflights users on 4/27. 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.
Sun 7/137:30 pmSFO - SOF
1 stop31h 00mSWISS
Tue 9/161:15 pmSOF - SFO
1 stop36h 55mSWISS
Deal found 4/27$805
This KAYAK deal was found by Cheapflights users on 4/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/194:20 pmSFO - SOF
2 stops38h 50mITA Airways
Mon 6/212:55 pmSOF - SFO
1 stop34h 20mITA Airways
Deal found 4/28$925
This Gurufare deal was found by Cheapflights users on 4/27. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/129:05 pmSFO - VAR
2 stops25h 25mLufthansa
Thu 6/199:20 amVAR - SFO
2 stops25h 38mLufthansa
Deal found 4/27$1,203
This Austrian Airlines deal was found by Cheapflights users on 4/27. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/119:05 pmSFO - VAR
2 stops32h 10mAustrian Airlines
Wed 6/184:00 pmVAR - SFO
2 stops37h 00mAustrian Airlines
Deal found 4/27$1,296
This KAYAK deal was found by Cheapflights users on 4/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/49:05 pmSFO - BOJ
2 stops29h 15mMultiple Airlines
Mon 8/48:15 pmBOJ - SFO
2 stops27h 20mMultiple Airlines
Deal found 4/28$1,668

Cheapflights Fare Finder

Customize your flight search to find flights from Fremont 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 April 28, 2025.
Use the filters below to find and compare flights from Fremont to Bulgaria that are best for you.

Fly from

Fremont

Fly to

Bulgaria

Route

Depart

Return

Price

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Sun 7/20

9:05 pm-11:40 am

2 stops28h 35m

Sofia

Wed 8/20

6:55 pm-7:00 pm

2 stops34h 05m

$696

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Tue 7/15

4:35 pm-8:40 pm

1 stop18h 05m

Sofia

Wed 8/20

9:30 pm-8:20 pm

2 stops32h 50m

$732

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Tue 7/15

7:30 pm-10:05 am

1 stop28h 35m

Sofia

Wed 8/20

7:25 pm-7:00 pm

1 stop33h 35m

$742

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Tue 7/15

1:25 pm-6:40 pm

2 stops19h 15m

Sofia

Wed 8/20

8:00 am-5:46 pm

2 stops19h 46m

$749

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Sun 7/13

7:30 pm-12:30 pm

1 stop31h 00m

Sofia

Tue 9/16

1:15 pm-4:10 pm

1 stop36h 55m

$805

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Tue 7/15

9:05 pm-11:00 pm

1 stop15h 55m

Sofia

Thu 8/14

6:00 am-7:00 pm

1 stop23h 00m

$812

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Mon 5/19

4:20 pm-5:10 pm

2 stops38h 50m

Sofia

Mon 6/2

12:55 pm-1:15 pm

1 stop34h 20m

$925

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Tue 6/17

10:51 am-5:50 pm

2 stops20h 59m

Sofia

Tue 7/1

2:00 pm-11:15 am

2 stops31h 15m

$982

San FranciscoVarna

SFO - VAR

SFOVAR

San Francisco

Thu 6/12

9:05 pm-8:30 am

2 stops25h 25m

Varna

Thu 6/19

9:20 am-12:58 am

2 stops25h 38m

$1,203

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 6/11

1:17 pm-1:30 pm

2 stops38h 13m

Sofia

Sun 7/6

9:10 pm-9:42 pm

2 stops34h 32m

$1,251

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Showing 1-10 of 25 results
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2
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Best time to book a flight from Fremont to Bulgaria

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

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

Currently, November is the cheapest month in which you can book a flight from Fremont to Bulgaria (average of $632). Flying from Fremont to Bulgaria in June is currently the most expensive (average of $1,218). 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 FR8 to BG?

Find hourly flight availability from Fremont to Bulgaria. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 28, 2025.

When flying from Fremont to Bulgaria, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Bulgaria by month

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

In terms of precipitation, rainfall in Bulgaria ranges from 1.2 - 2.8 inches per month. June is typically the wettest month, when rainfall can reach 2.8 in. January is typically the driest time to visit Bulgaria when rainfall is around 1.2 in.

Temperature in Bulgaria by month

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

If weather is an important factor for your trip to Bulgaria, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Bulgaria

Get insights into the airlines that provide service to Bulgaria. 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 Bulgaria. Reviews last updated April 28, 2025.
Read reviews from past customers who have flown Austrian Airlines, SWISS and United Airlines from Fremont to Bulgaria. 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

Crew

8.1

Boarding

7.6

Comfort

7.3

Entertainment

6.7

Food

6.7

Overall

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

Crew

8.1

Boarding

7.6

Comfort

7.3

Entertainment

6.7

Food

6.7

Overall

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
1,587 reviews
Austrian Airlines
7.6
Good
780 reviews

Crew

8.1

Boarding

7.6

Comfort

7.3

Entertainment

6.7

Food

6.7

Overall

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
8,696 reviews
Austrian Airlines
7.6
Good
780 reviews

Crew

8.1

Boarding

7.6

Comfort

7.3

Entertainment

6.7

Food

6.7

Overall

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
3,785 reviews
Austrian Airlines
7.6
Good
780 reviews

Crew

8.1

Boarding

7.6

Comfort

7.3

Entertainment

6.7

Food

6.7

Overall

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.
American Airlines
7.2
Good
10,000 reviews
Austrian Airlines
7.6
Good
780 reviews

Crew

8.1

Boarding

7.6

Comfort

7.3

Entertainment

6.7

Food

6.7

Overall

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 Fremont to Bulgaria. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $481. However, be on the lookout for offers from British Airways and SWISS, as they are both options that can get you from Fremont to Bulgaria for a low price.

  • What are the most popular routes from Fremont to Bulgaria?

    The most popular route from Fremont to Bulgaria is San Francisco - Sofia. You may also consider San Francisco - Varna or San Francisco - Bourgas.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Fremont 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 Fremont to Bulgaria?

    Currently, November is the cheapest month in which you can book a flight from Fremont to Bulgaria (average of $632). Flying from Fremont to Bulgaria in June is currently the most expensive (average of $1,218). 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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Top 6 airlines flying from Fremont to Bulgaria

Discover the top 6 airlines that operate flights from Fremont to Bulgaria. 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 April 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
ITA AirwaysCheapest$499Average$1,324FlexibilityNo cancel feeOn-time81%
SWISSCheapest$560Average$1,126FlexibilityNo cancel feeOn-time79%
Turkish AirlinesCheapest$584Average$1,175FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$634Average$1,186FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$682Average$1,186FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$842Average$1,138FlexibilityNo cancel feeOn-time67%

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