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Bulgaria

$333+ 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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SOF
Apr 7 — Apr 141
Mon 4/7
Mon 4/14
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 2, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$636
(FlightHub)

One-way from

$333
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$659
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. 31% potential increase in price ($407 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 2, 2025.

This FlightHub deal was found by Cheapflights users on 4/1. 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.
Tue 4/226:45 pmSFO - SOF
1 stop27h 50mTurkish Airlines
Tue 5/69:15 pmSOF - SFO
1 stop29h 25mTurkish Airlines
Deal found 4/1$636
This Gotogate deal was found by Cheapflights users on 4/1. 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.
Tue 4/227:30 pmSFO - SOF
1 stop28h 35mMultiple Airlines
Tue 5/66:20 amSOF - SFO
2 stops22h 20mMultiple Airlines
Deal found 4/1$673
This Orbitz deal was found by Cheapflights users on 4/1. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/78:15 amSFO - SOF
2 stops19h 00mAir Canada
Wed 5/216:15 amSOF - SFO
2 stops23h 55mAir Canada
Deal found 4/1$708
This SWISS deal was found by Cheapflights users on 3/31. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/147:30 pmSFO - SOF
1 stop31h 00mSWISS
Mon 9/293:30 pmSOF - SFO
2 stops57h 58mSWISS
Deal found 3/31$710
This United Airlines deal was found by Cheapflights users on 4/1. 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.
Wed 5/712:55 pmSFO - SOF
2 stops24h 05mUnited Airlines
Fri 5/236:00 amSOF - SFO
1 stop23h 00mUnited Airlines
Deal found 4/1$719
This Gurufare deal was found by Cheapflights users on 4/1. 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.
Wed 5/214:20 pmSFO - SOF
1 stop35h 10mBritish Airways
Wed 6/49:30 pmSOF - SFO
1 stop26h 20mBritish Airways
Deal found 4/1$727
This Lufthansa deal was found by Cheapflights users on 4/1. 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.
Wed 5/77:00 amSFO - SOF
2 stops25h 40mLufthansa
Mon 5/197:25 pmSOF - SFO
1 stop33h 35mLufthansa
Deal found 4/1$730
This KLM deal was found by Cheapflights users on 4/1. 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.
Wed 5/710:00 amSFO - SOF
2 stops18h 00mKLM
Thu 5/227:00 amSOF - SFO
2 stops20h 33mKLM
Deal found 4/1$733
This oojo deal was found by Cheapflights users on 4/1. 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 5/166:45 pmSFO - VAR
1 stop16h 35mTurkish Airlines
Fri 5/239:35 amVAR - SFO
1 stop17h 05mTurkish Airlines
Deal found 4/1$793
This Austrian Airlines deal was found by Cheapflights users on 4/1. 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.
Thu 4/109:05 pmSFO - VAR
2 stops27h 15mAustrian Airlines
Sun 4/274:00 pmVAR - SFO
2 stops54h 40mAustrian Airlines
Deal found 4/1$849
This Mytrip deal was found by Cheapflights users on 4/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/92:40 pmSFO - VAR
2 stops38h 35mLufthansa
Sat 4/264:00 pmVAR - SFO
2 stops54h 40mLufthansa
Deal found 4/1$916
This Gotogate deal was found by Cheapflights users on 4/1. 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.
Fri 5/169:05 pmSFO - VAR
2 stops25h 25mMultiple Airlines
Fri 5/239:45 amVAR - SFO
2 stops23h 26mMultiple Airlines
Deal found 4/1$980

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 2, 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

Tue 4/22

6:45 pm-8:35 am

1 stop27h 50m

Sofia

Tue 5/6

9:15 pm-4:40 pm

1 stop29h 25m

$636

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Tue 4/22

7:30 pm-10:05 am

1 stop28h 35m

Sofia

Tue 5/6

6:20 am-6:40 pm

2 stops22h 20m

$673

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 5/7

8:15 am-1:15 pm

2 stops19h 00m

Sofia

Wed 5/21

6:15 am-8:10 pm

2 stops23h 55m

$708

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Sun 9/14

7:30 pm-12:30 pm

1 stop31h 00m

Sofia

Mon 9/29

3:30 pm-3:28 pm

2 stops57h 58m

$710

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 5/7

12:55 pm-11:00 pm

2 stops24h 05m

Sofia

Thu 5/22

12:45 pm-7:00 pm

1 stop16h 15m

$719

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 5/21

4:20 pm-1:30 pm

1 stop35h 10m

Sofia

Wed 6/4

9:30 pm-1:50 pm

1 stop26h 20m

$727

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 5/7

7:00 am-6:40 pm

2 stops25h 40m

Sofia

Mon 5/19

7:25 pm-7:00 pm

1 stop33h 35m

$730

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 5/7

10:00 am-2:00 pm

2 stops18h 00m

Sofia

Thu 5/22

7:00 am-5:33 pm

2 stops20h 33m

$733

San FranciscoVarna

SFO - VAR

SFOVAR

San Francisco

Fri 5/16

6:45 pm-9:20 pm

1 stop16h 35m

Varna

Fri 5/23

9:35 am-4:40 pm

1 stop17h 05m

$793

San FranciscoVarna

SFO - VAR

SFOVAR

San Francisco

Fri 5/16

9:05 pm-8:30 am

2 stops25h 25m

Varna

Fri 5/23

9:45 am-7:00 pm

1 stop19h 15m

$936

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 30 results
1
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 $1,243). 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 2, 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 2, 2025.
Read reviews from past customers who have flown KLM, Austrian Airlines and SWISS 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.
KLM
7.8
Good
1,323 reviews

Comfort

7.7

Crew

8.4

Overall

7.8

Boarding

7.8

Entertainment

7.2

Food

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
KLM
7.8
Good
1,323 reviews
KLM
7.8
Good
1,323 reviews

Comfort

7.7

Crew

8.4

Overall

7.8

Boarding

7.8

Entertainment

7.2

Food

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Austrian Airlines
7.6
Good
771 reviews
KLM
7.8
Good
1,323 reviews

Comfort

7.7

Crew

8.4

Overall

7.8

Boarding

7.8

Entertainment

7.2

Food

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
SWISS
7.5
Good
1,572 reviews
KLM
7.8
Good
1,323 reviews

Comfort

7.7

Crew

8.4

Overall

7.8

Boarding

7.8

Entertainment

7.2

Food

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Air France
7.4
Good
1,425 reviews
KLM
7.8
Good
1,323 reviews

Comfort

7.7

Crew

8.4

Overall

7.8

Boarding

7.8

Entertainment

7.2

Food

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
United Airlines
7.4
Good
8,615 reviews
KLM
7.8
Good
1,323 reviews

Comfort

7.7

Crew

8.4

Overall

7.8

Boarding

7.8

Entertainment

7.2

Food

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

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 British Airways, with whom users have recently found tickets for as low as $549. However, be on the lookout for offers from SWISS and Air Canada, 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 $1,243). 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 7 airlines flying from Fremont to Bulgaria

Discover the top 7 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 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
ITA AirwaysCheapest$522Average$1,324FlexibilityNo cancel feeOn-time81%
British AirwaysCheapest$578Average$657FlexibilityNo cancel feeOn-time70%
Turkish AirlinesCheapest$588Average$1,174FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$632Average$1,197FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$689Average$1,184FlexibilityNo cancel feeOn-time76%
SWISSCheapest$705Average$1,018FlexibilityNo cancel feeOn-time79%
Air CanadaCheapest$842Average$1,138FlexibilityNo cancel feeOn-time67%

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