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$273+ Cheap flights from Fremont, CA to Bucharest (BUH)

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 1/22. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BUH
Feb 5 — Feb 121
Thu 2/5
Thu 2/12
1 adult, Economy
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Cheap flight deals from Fremont to Bucharest

Keep the following information in mind while searching for Fremont to Bucharest flight deals. Data was last updated January 6, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$500
(oojo)

One-way from

$273
(American Airlines)

Popular in

December

Cheapest in

January

Average price

$675
Provider with most accurate pricing for San Francisco-Bucharest (BUH) flight deals.
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Provider most trusted by Cheapflights users for San Francisco-Bucharest (BUH) flights.
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From Fremont to Bucharest (BUH)
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One-way flight from Fremont to Bucharest (BUH)
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Highest demand for flights based on searches. 7% potential increase in price ($65 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($49 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find flight deals from Fremont to Bucharest

Cheapest flights from Fremont to Bucharest
Explore the most affordable flight options available from Fremont to Bucharest. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 6, 2026.

This oojo deal was found by Cheapflights users on 1/5. 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.
Wed 2/43:50 pmSFO - OTP
2 stops18h 10mBritish Airways
Wed 2/118:05 amOTP - SFO
1 stop16h 55mBritish Airways
Deal found 1/5$500
This Air France deal was found by Cheapflights users on 1/6. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/143:40 pmSFO - OTP
1 stop18h 30mMultiple Airlines
Tue 1/274:50 pmOTP - SFO
1 stop29h 00mMultiple Airlines
Deal found 1/6$501
This Delta deal was found by Cheapflights users on 1/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/133:40 pmSFO - OTP
1 stop21h 10mDelta
Fri 1/306:00 amOTP - SFO
1 stop15h 50mDelta
Deal found 1/6$502
This Delta deal was found by Cheapflights users on 1/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/143:40 pmSFO - OTP
1 stop34h 25mDelta
Fri 1/306:00 amOTP - SFO
1 stop15h 50mDelta
Deal found 1/6$503
This British Airways deal was found by Cheapflights users on 1/5. 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 2/27:00 amSFO - OTP
2 stops30h 00mBritish Airways
Mon 2/168:25 pmOTP - SFO
1 stop28h 35mBritish Airways
Deal found 1/5$505
This KAYAK deal was found by Cheapflights users on 1/6. 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.
Tue 1/138:00 amSFO - OTP
2 stops28h 55mBritish Airways
Thu 1/298:00 amOTP - SFO
2 stops24h 40mBritish Airways
Deal found 1/6$515
This Delta deal was found by Cheapflights users on 1/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/132:05 pmSFO - OTP
2 stops22h 45mDelta
Tue 1/276:00 amOTP - SFO
2 stops21h 43mDelta
Deal found 1/6$516
This KLM deal was found by Cheapflights users on 1/6. 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 1/1411:15 amSFO - OTP
2 stops18h 10mKLM
Wed 1/286:00 amOTP - SFO
2 stops21h 38mKLM
Deal found 1/6$522
This KAYAK deal was found by Cheapflights users on 1/5. 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 8/107:30 pmSFO - OTP
1 stop19h 55mBritish Airways
Wed 8/194:15 pmOTP - SFO
1 stop35h 25mBritish Airways
Deal found 1/5$525
This oojo deal was found by Cheapflights users on 1/5. 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 4/64:35 pmSFO - OTP
2 stops22h 50mBritish Airways
Mon 4/203:30 pmOTP - SFO
1 stop36h 10mBritish Airways
Deal found 1/5$530

Cheapflights Fare Finder

 
Customize your flight search to find flights from Fremont to Bucharest 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 January 6, 2026.
Use the filters below to find and compare flights from Fremont to Bucharest that are best for you.

Fly from

Fremont

Fly to

Bucharest

Route

Depart

Return

Price

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Wed 2/4

3:50 pm-8:00 pm

2 stops18h 10m

Bucharest Otopeni Intl

Wed 2/11

8:05 am-3:00 pm

1 stop16h 55m

$500

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Mon 2/2

5:30 pm-11:00 pm

1 stop19h 30m

Bucharest Otopeni Intl

Mon 2/16

8:25 pm-3:00 pm

1 stop28h 35m

$505

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Mon 4/6

7:30 pm-3:25 pm

1 stop33h 55m

Bucharest Otopeni Intl

Tue 4/28

8:25 am-5:40 pm

1 stop19h 15m

$530

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Wed 5/6

3:05 pm-8:10 pm

1 stop19h 05m

Bucharest Otopeni Intl

Wed 5/20

6:30 pm-11:45 am

1 stop27h 15m

$548

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Fri 1/16

1:00 pm-10:50 pm

2 stops23h 50m

Bucharest Otopeni Intl

Tue 1/27

6:00 am-11:50 am

1 stop15h 50m

$556

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Fri 1/16

1:00 pm-10:50 pm

2 stops23h 50m

Bucharest Otopeni Intl

Fri 1/30

6:00 am-11:50 am

1 stop15h 50m

$556

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Fri 1/16

1:00 pm-10:50 pm

2 stops23h 50m

Bucharest Otopeni Intl

Mon 1/26

1:55 pm-11:50 am

1 stop31h 55m

$556

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Fri 1/16

1:00 pm-10:50 pm

2 stops23h 50m

Bucharest Otopeni Intl

Wed 1/28

6:00 am-11:50 am

1 stop15h 50m

$556

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Fri 1/16

1:00 pm-10:50 pm

2 stops23h 50m

Bucharest Otopeni Intl

Thu 1/29

6:00 am-11:50 am

1 stop15h 50m

$556

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Thu 1/22

7:00 am-3:45 pm

2 stops22h 45m

$273

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/6

Showing 1-10 of 16 results
1
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Best time to book a flight from Fremont to Bucharest

Have a flexible travel schedule? Discover the best time to fly to Bucharest 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 Bucharest

How far ahead should I book a flight from Fremont to Bucharest?

Use this chart to determine the optimal time to book a round-trip flight from Fremont to Bucharest. Price data was last updated on January 2, 2026.

To ensure you get the cheapest price possible for a flight from Fremont to Bucharest, you should look to book at least 55 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, March is the cheapest month in which you can book a flight from Fremont to Bucharest (average of $506). Flying from Fremont to Bucharest in June is currently the most expensive (average of $718). 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.

How much does it cost to fly round-trip from Fremont to Bucharest?

Reviews of airlines servicing Bucharest

Get insights into the airlines that provide service to Bucharest. 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 Bucharest. Reviews last updated January 6, 2026.
Peruse reviews from past customers who have flown with KLM, United Airlines, and Turkish Airlines from Fremont to Bucharest to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,434 reviews

Food

7.2

Crew

8.4

Boarding

7.8

Overall

7.7

Comfort

7.6

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
KLM
7.7
Good
1,434 reviews
KLM
7.7
Good
1,434 reviews

Food

7.2

Crew

8.4

Boarding

7.8

Overall

7.7

Comfort

7.6

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
United Airlines
7.4
Good
9,132 reviews
KLM
7.7
Good
1,434 reviews

Food

7.2

Crew

8.4

Boarding

7.8

Overall

7.7

Comfort

7.6

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
Turkish Airlines
7.3
Good
4,150 reviews
KLM
7.7
Good
1,434 reviews

Food

7.2

Crew

8.4

Boarding

7.8

Overall

7.7

Comfort

7.6

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
Lufthansa
6.8
Okay
7,683 reviews
KLM
7.7
Good
1,434 reviews

Food

7.2

Crew

8.4

Boarding

7.8

Overall

7.7

Comfort

7.6

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
British Airways
6.7
Okay
7,657 reviews
KLM
7.7
Good
1,434 reviews

Food

7.2

Crew

8.4

Boarding

7.8

Overall

7.7

Comfort

7.6

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

Related info for your journey

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

  • How long is the flight from Fremont to Bucharest?

    Airlines like British Airways fly from Fremont to Bucharest in about 18h 10m. The time it takes to get you to your destination can typically vary by up to . There are 6422 mi between Fremont and Bucharest.

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

    The cheapest airline one-way is Turkish Airlines, with whom users have recently found tickets for as low as $421. However, be on the lookout for offers from Lufthansa and KLM, as they are both options that can get you from Fremont to Bucharest for a low price.

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

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

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

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

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

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

    Currently, March is the cheapest month in which you can book a flight from Fremont to Bucharest (average of $506). Flying from Fremont to Bucharest in June is currently the most expensive (average of $718). 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 Bucharest?

Book flights to Bucharest if you plan to visit one of these locations
Otopeni

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Top 7 airlines flying from Fremont to Bucharest

Discover the top 7 airlines that operate flights from Fremont to Bucharest. 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 January 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$519Average$649FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$538Average$856FlexibilityNo cancel feeOn-time70%
SWISSCheapest$560Average$860FlexibilityNo cancel feeOn-time79%
Turkish AirlinesCheapest$595Average$694FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$620Average$1,032FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$660Average$1,135FlexibilityNo cancel feeOn-time69%
KLMCheapest$661Average$728FlexibilityNo cancel feeOn-time75%

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