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$318+ 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BUH
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheapflights Tip: The best prices from Fremont to Bucharest are usually found in January or February, booked 46 days in advance, depart on a Monday or Friday and return on a Tuesday

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 September 15, 2025.

Round-trip from

$606
(Lufthansa)

One-way from

$318
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$701
From Fremont to Bucharest (BUH)
Search Deals
One-way flight from Fremont to Bucharest (BUH)
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($250 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($43 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 September 15, 2025.

This Lufthansa deal was found by Cheapflights users on 9/14. 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 11/129:40 pmSFO - OTP
1 stop17h 25mLufthansa
Sun 11/165:55 amOTP - SFO
1 stop16h 45mLufthansa
Deal found 9/14$606
This Delta deal was found by Cheapflights users on 9/15. 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.
Mon 12/13:40 pmSFO - OTP
1 stop34h 25mDelta
Fri 12/196:05 amOTP - SFO
2 stops22h 51mDelta
Deal found 9/15$607
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/39:40 pmSFO - OTP
1 stop17h 25mLufthansa
Sat 11/155:55 amOTP - SFO
2 stops21h 33mLufthansa
Deal found 9/14$608
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Mon 11/1012:50 pmSFO - OTP
2 stops19h 45mUnited Airlines
Sun 11/162:50 pmOTP - SFO
1 stop15h 20mUnited Airlines
Deal found 9/15$609
This Mytrip deal was found by Cheapflights users on 9/15. 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.
Thu 10/308:38 amSFO - OTP
2 stops25h 02mAir Canada
Thu 11/65:50 amOTP - SFO
2 stops25h 32mAir Canada
Deal found 9/15$610
This Priceline deal was found by Cheapflights users on 9/14. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1510:48 amSFO - OTP
2 stops21h 47mAir Canada
Wed 10/296:05 amOTP - SFO
2 stops24h 17mAir Canada
Deal found 9/14$611
This Air Canada deal was found by Cheapflights users on 9/14. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/306:53 pmSFO - OTP
2 stops33h 12mAir Canada
Sun 12/145:55 amOTP - SFO
2 stops40h 25mAir Canada
Deal found 9/14$612
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Thu 12/411:59 pmSFO - OTP
2 stops28h 11mUnited Airlines
Tue 12/162:50 pmOTP - SFO
1 stop15h 20mUnited Airlines
Deal found 9/14$614
This CheapOair deal was found by Cheapflights users on 9/14. 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.
Tue 10/710:48 amSFO - OTP
2 stops20h 02mMultiple Airlines
Tue 10/216:00 amOTP - SFO
1 stop16h 40mMultiple Airlines
Deal found 9/14$615
This Air Canada deal was found by Cheapflights users on 9/13. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/128:50 amSFO - OTP
2 stops19h 10mAir Canada
Sun 11/165:55 amOTP - SFO
2 stops21h 30mAir Canada
Deal found 9/13$616
This Air Canada deal was found by Cheapflights users on 9/14. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/17:30 amSFO - OTP
2 stops20h 35mAir Canada
Mon 12/155:55 amOTP - SFO
2 stops43h 20mAir Canada
Deal found 9/14$618
This CheapOair deal was found by Cheapflights users on 9/15. 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.
Mon 10/611:45 pmSFO - OTP
2 stops27h 15mMultiple Airlines
Fri 10/176:30 amOTP - SFO
1 stop19h 40mMultiple Airlines
Deal found 9/15$622

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 September 15, 2025.
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 11/12

9:40 pm-1:05 am

1 stop17h 25m

Bucharest Otopeni Intl

Sun 11/16

5:55 am-12:40 pm

1 stop16h 45m

$606

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Mon 11/10

12:50 pm-6:35 pm

2 stops19h 45m

Bucharest Otopeni Intl

Sun 11/16

2:50 pm-8:10 pm

1 stop15h 20m

$609

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Thu 2/12

1:40 pm-11:50 pm

1 stop24h 10m

Bucharest Otopeni Intl

Thu 2/26

5:50 am-9:22 pm

2 stops25h 32m

$611

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Thu 11/6

11:15 am-11:50 pm

2 stops26h 35m

Bucharest Otopeni Intl

Thu 11/20

5:50 am-9:22 pm

2 stops25h 32m

$614

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Thu 12/4

11:59 pm-2:10 pm

2 stops28h 11m

Bucharest Otopeni Intl

Wed 12/17

6:05 am-3:55 pm

1 stop19h 50m

$614

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Wed 11/12

8:30 am-2:00 pm

2 stops19h 30m

Bucharest Otopeni Intl

Sun 11/16

5:55 am-12:40 pm

1 stop16h 45m

$614

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Mon 10/6

11:45 pm-4:50 pm

2 stops31h 05m

Bucharest Otopeni Intl

Fri 10/17

6:00 am-11:08 pm

2 stops27h 08m

$615

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Wed 1/14

12:43 am-2:05 pm

2 stops27h 22m

Bucharest Otopeni Intl

Thu 1/29

5:50 am-3:55 pm

1 stop20h 05m

$615

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Fri 3/13

6:00 am-6:35 pm

2 stops27h 35m

Bucharest Otopeni Intl

Fri 3/27

5:55 am-12:25 am

2 stops27h 30m

$622

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Wed 10/15

12:00 pm-3:10 am

2 stops53h 10m

$318

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 15 results
1
2

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 September 12, 2025.

To ensure you get the cheapest price possible for a flight from Fremont to Bucharest, you should look to book at least 46 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, November is the cheapest month in which you can book a flight from Fremont to Bucharest (average of $604). Flying from Fremont to Bucharest in June is currently the most expensive (average of $1,130). 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 BUH?

Find hourly flight availability from Fremont to Bucharest. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

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

What is the cheapest day to fly from Fremont to Bucharest?

Use this chart to determine the cheapest time to fly round-trip from Fremont to Bucharest. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Fremont to Bucharest flight should consider departing on Wednesday mornings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 September 15, 2025.
Peruse reviews from past customers who have flown with Delta, KLM, and United 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.
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,954 reviews
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,385 reviews
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,929 reviews
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Turkish Airlines
7.3
Good
3,968 reviews
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Lufthansa
6.8
Okay
7,407 reviews
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 Lufthansa, United Airlines, and Delta fly from Fremont to Bucharest in about 17h 25m. The time it takes to get you to your destination can typically vary by up to 7h. There are 6422 mi between Fremont and Bucharest. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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, November is the cheapest month in which you can book a flight from Fremont to Bucharest (average of $604). Flying from Fremont to Bucharest in June is currently the most expensive (average of $1,130). 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$519Average$649FlexibilityNo cancel feeOn-time77%
SWISSCheapest$560Average$1,069FlexibilityNo cancel feeOn-time79%
British AirwaysCheapest$575Average$840FlexibilityNo cancel feeOn-time70%
Turkish AirlinesCheapest$597Average$709FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$636Average$1,141FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$675Average$1,184FlexibilityNo cancel feeOn-time76%
KLMCheapest$696Average$1,077FlexibilityNo cancel feeOn-time75%

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