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$231+ 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 7/29. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BUH
Mar 22 — Mar 291
Sun 3/22
Sun 3/29
1 adult, Economy
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Cheap 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 February 20, 2026.

This CrystalTravel deal was found by Cheapflights users on 2/18. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/19:40 pm
SFO
-
OTP
1 stop17h 25m
Lufthansa
Fri 11/136:05 am
OTP
-
SFO
1 stop16h 35m
Lufthansa
Deal found 2/18$515
This United Airlines deal was found by Cheapflights users on 2/19. 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 8/109:05 pm
SFO
-
OTP
1 stop18h 05m
United Airlines
Wed 8/191:45 pm
OTP
-
SFO
1 stop16h 05m
United Airlines
Deal found 2/19$534
This FlightHub deal was found by Cheapflights users on 2/18. 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 11/19:40 pm
SFO
-
OTP
1 stop17h 25m
Multiple Airlines
Fri 11/136:30 am
OTP
-
SFO
2 stops24h 52m
Multiple Airlines
Deal found 2/18$538
This FlightHub deal was found by Cheapflights users on 2/17. 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.
Mon 8/1011:45 pm
SFO
-
OTP
2 stops32h 50m
Multiple Airlines
Wed 8/194:10 pm
OTP
-
SFO
1 stop34h 05m
Multiple Airlines
Deal found 2/17$539
This Mytrip deal was found by Cheapflights users on 2/18. 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.
Tue 8/189:05 pm
SFO
-
OTP
1 stop18h 05m
Multiple Airlines
Tue 9/11:50 pm
OTP
-
SFO
2 stops31h 31m
Multiple Airlines
Deal found 2/18$540
This Mytrip deal was found by Cheapflights users on 2/17. 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.
Sat 10/177:35 pm
SFO
-
OTP
2 stops37h 00m
Multiple Airlines
Wed 10/216:05 am
OTP
-
SFO
1 stop16h 35m
Multiple Airlines
Deal found 2/17$543
This CrystalTravel deal was found by Cheapflights users on 2/18. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/49:05 pm
SFO
-
OTP
1 stop18h 05m
Multiple Airlines
Fri 10/166:20 am
OTP
-
SFO
1 stop19h 55m
Multiple Airlines
Deal found 2/18$548
This Kiwi.com deal was found by Cheapflights users on 2/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/89:05 pm
SFO
-
OTP
1 stop18h 05m
Lufthansa
Wed 4/226:05 am
OTP
-
SFO
1 stop16h 35m
Lufthansa
Deal found 2/16$551
This Kiwi.com deal was found by Cheapflights users on 2/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/2210:40 pm
SFO
-
OTP
1 stop17h 25m
Lufthansa
Tue 4/76:05 am
OTP
-
SFO
1 stop16h 35m
Lufthansa
Deal found 2/16$552
This Kiwi.com deal was found by Cheapflights users on 2/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/187:35 pm
SFO
-
OTP
1 stop19h 30m
SWISS
Mon 6/14:10 pm
OTP
-
SFO
1 stop34h 05m
SWISS
Deal found 2/16$554

Find flight deals from Fremont to Bucharest

Keep the following information in mind while searching for Fremont to Bucharest flight deals. Data was last updated February 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$534
(United Airlines)

One-way from

$231
(oojo)

Popular in

December

Cheapest in

January

Average price

$683
Provider with most accurate pricing for San Francisco-Bucharest (BUH) flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Bucharest (BUH) flights.
Search Deals
From Fremont to Bucharest (BUH)
Search Deals
One-way flight from Fremont to Bucharest (BUH)
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($69 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 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 February 20, 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

Mon 8/10

9:05 pm-1:10 am

1 stop18h 05m

Bucharest Otopeni Intl

Wed 8/19

1:45 pm-8:51 pm

2 stops41h 06m

$537

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Wed 8/19

2:25 pm-1:10 am

2 stops24h 45m

Bucharest Otopeni Intl

Wed 9/2

1:45 pm-7:50 pm

1 stop16h 05m

$556

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Wed 5/20

10:05 am-4:20 pm

2 stops20h 15m

Bucharest Otopeni Intl

Wed 6/3

6:05 am-5:39 pm

2 stops21h 34m

$587

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Wed 3/25

10:40 pm-1:05 am

1 stop17h 25m

Bucharest Otopeni Intl

Tue 4/14

6:05 am-12:40 pm

1 stop16h 35m

$594

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Mon 5/4

9:05 pm-1:10 am

1 stop18h 05m

Bucharest Otopeni Intl

Wed 5/13

6:05 am-6:37 pm

2 stops22h 32m

$594

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Wed 3/25

6:00 am-10:50 pm

2 stops31h 50m

Bucharest Otopeni Intl

Wed 4/15

7:05 am-11:45 am

1 stop14h 40m

$596

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Wed 3/25

6:00 am-10:50 pm

2 stops31h 50m

Bucharest Otopeni Intl

Tue 4/14

2:00 pm-11:45 am

1 stop31h 45m

$596

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Wed 3/25

6:00 am-10:50 pm

2 stops31h 50m

Bucharest Otopeni Intl

Thu 4/16

7:05 am-11:45 am

1 stop14h 40m

$596

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Sun 3/22

9:40 pm-11:45 pm

1 stop17h 05m

Bucharest Otopeni Intl

Tue 4/7

6:10 pm-1:50 pm

1 stop29h 40m

$597

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Mon 3/23

3:15 pm-6:35 pm

2 stops18h 20m

Bucharest Otopeni Intl

Wed 4/15

1:45 pm-8:00 pm

1 stop16h 15m

$598

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

Showing 1-10 of 18 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 February 18, 2026.

To ensure you get the cheapest price possible for a flight from Fremont to Bucharest, you should look to book at least 24 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 $490). Flying from Fremont to Bucharest in June is currently the most expensive (average of $982). 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.

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 February 20, 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
1,458 reviews

Food

7.3

Entertainment

7.1

Boarding

7.8

Overall

7.7

Comfort

7.6

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.7
Good
1,458 reviews
KLM
7.7
Good
1,458 reviews

Food

7.3

Entertainment

7.1

Boarding

7.8

Overall

7.7

Comfort

7.6

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
United Airlines
7.4
Good
9,322 reviews
KLM
7.7
Good
1,458 reviews

Food

7.3

Entertainment

7.1

Boarding

7.8

Overall

7.7

Comfort

7.6

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Turkish Airlines
7.3
Good
4,224 reviews
KLM
7.7
Good
1,458 reviews

Food

7.3

Entertainment

7.1

Boarding

7.8

Overall

7.7

Comfort

7.6

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Lufthansa
6.8
Okay
7,789 reviews
KLM
7.7
Good
1,458 reviews

Food

7.3

Entertainment

7.1

Boarding

7.8

Overall

7.7

Comfort

7.6

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

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 United Airlines fly from Fremont to Bucharest in about 18h 05m. 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 Lufthansa, with whom users have recently found tickets for as low as $407. However, be on the lookout for offers from Turkish Airlines 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 $490). Flying from Fremont to Bucharest in June is currently the most expensive (average of $982). 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 5 airlines flying from Fremont to Bucharest

Discover the top 5 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 February 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$538Average$876FlexibilityNo cancel feeOn-time70%
Turkish AirlinesCheapest$590Average$696FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$620Average$965FlexibilityNo cancel feeOn-time76%
KLMCheapest$661Average$856FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$689Average$1,130FlexibilityNo cancel feeOn-time69%

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