HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Bucharest

$234+ 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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BUH
Feb 27 — Mar 61
Fri 2/27
Fri 3/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Fremont to Bucharest with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 January 28, 2026.

This Mytrip deal was found by Cheapflights users on 1/26. 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 4/299:05 pm
SFO
-
OTP
1 stop18h 05m
Multiple Airlines
Wed 5/136:05 am
OTP
-
SFO
2 stops25h 01m
Multiple Airlines
Deal found 1/26$510
This CrystalTravel deal was found by Cheapflights users on 1/27. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/289:05 pm
SFO
-
OTP
1 stop18h 05m
Lufthansa
Tue 5/126:05 am
OTP
-
SFO
1 stop16h 35m
Lufthansa
Deal found 1/27$520
This Mytrip deal was found by Cheapflights users on 1/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/288:10 am
SFO
-
OTP
2 stops18h 50m
Multiple Airlines
Tue 5/126:05 am
OTP
-
SFO
1 stop16h 35m
Multiple Airlines
Deal found 1/27$525
This Gotogate deal was found by Cheapflights users on 1/26. 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 12/17:30 am
SFO
-
OTP
2 stops25h 10m
Multiple Airlines
Tue 12/156:05 am
OTP
-
SFO
1 stop16h 35m
Multiple Airlines
Deal found 1/26$527
This Booking.com deal was found by Cheapflights users on 1/26. 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.
Sun 8/99:05 pm
SFO
-
OTP
1 stop18h 05m
Lufthansa
Thu 8/206:15 am
OTP
-
SFO
1 stop22h 45m
Lufthansa
Deal found 1/26$529
This oojo deal was found by Cheapflights users on 1/26. 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 4/276:10 am
SFO
-
OTP
2 stops33h 10m
British Airways
Mon 5/113:40 pm
OTP
-
SFO
1 stop32h 10m
British Airways
Deal found 1/26$530
This oojo deal was found by Cheapflights users on 1/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/103:21 pm
SFO
-
OTP
2 stops38h 04m
British Airways
Wed 8/194:15 pm
OTP
-
SFO
1 stop31h 35m
British Airways
Deal found 1/27$531
This oojo deal was found by Cheapflights users on 1/26. 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 4/294:31 pm
SFO
-
OTP
2 stops21h 49m
British Airways
Wed 5/138:15 am
OTP
-
SFO
2 stops25h 34m
British Airways
Deal found 1/26$533
This oojo deal was found by Cheapflights users on 1/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:25 am
SFO
-
OTP
2 stops22h 00m
British Airways
Tue 5/128:15 am
OTP
-
SFO
2 stops23h 42m
British Airways
Deal found 1/27$534

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 January 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$510
(Mytrip)

One-way from

$234
(British Airways)

Popular in

December

Cheapest in

February

Average price

$675
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 ($68 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($49 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 January 28, 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

Tue 4/28

7:25 am-3:25 pm

2 stops22h 00m

Bucharest Otopeni Intl

Tue 5/12

8:15 am-9:57 pm

2 stops23h 42m

$534

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Tue 5/19

9:05 pm-9:05 am

2 stops26h 00m

Bucharest Otopeni Intl

Tue 5/26

6:05 am-7:29 pm

2 stops23h 24m

$595

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Mon 5/18

9:05 pm-1:10 am

1 stop18h 05m

Bucharest Otopeni Intl

Mon 5/25

6:55 pm-9:06 am

2 stops48h 11m

$598

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Wed 2/18

6:50 pm-8:50 am

1 stop28h 00m

Bucharest Otopeni Intl

Wed 3/4

3:30 pm-4:45 pm

1 stop35h 15m

$601

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Sat 2/28

1:10 pm-8:30 pm

1 stop21h 20m

Bucharest Otopeni Intl

Sat 3/14

9:50 pm-5:45 pm

1 stop28h 55m

$601

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Sun 3/15

7:50 pm-2:10 pm

1 stop33h 20m

Bucharest Otopeni Intl

Sat 3/28

10:15 am-5:45 pm

1 stop16h 30m

$601

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Thu 2/19

6:50 pm-8:50 am

1 stop28h 00m

Bucharest Otopeni Intl

Thu 2/26

9:50 pm-4:45 pm

1 stop28h 55m

$604

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Thu 2/19

6:50 pm-8:30 pm

1 stop15h 40m

Bucharest Otopeni Intl

Wed 3/11

3:30 pm-5:45 pm

1 stop35h 15m

$604

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Sat 5/9

10:42 pm-12:00 pm

2 stops27h 18m

Bucharest Otopeni Intl

Sun 5/17

6:05 am-12:40 pm

1 stop16h 35m

$618

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Wed 5/13

9:05 pm-1:10 am

1 stop18h 05m

Bucharest Otopeni Intl

Sat 5/23

1:55 pm-1:16 am

2 stops21h 21m

$621

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 23 results
1
2
3

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 23, 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 28, 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
1,443 reviews

Food

7.3

Entertainment

7.1

Overall

7.7

Crew

8.4

Boarding

7.8

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
KLM
7.7
Good
1,443 reviews
KLM
7.7
Good
1,443 reviews

Food

7.3

Entertainment

7.1

Overall

7.7

Crew

8.4

Boarding

7.8

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
United Airlines
7.4
Good
9,209 reviews
KLM
7.7
Good
1,443 reviews

Food

7.3

Entertainment

7.1

Overall

7.7

Crew

8.4

Boarding

7.8

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Turkish Airlines
7.3
Good
4,209 reviews
KLM
7.7
Good
1,443 reviews

Food

7.3

Entertainment

7.1

Overall

7.7

Crew

8.4

Boarding

7.8

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Lufthansa
6.8
Okay
7,749 reviews
KLM
7.7
Good
1,443 reviews

Food

7.3

Entertainment

7.1

Overall

7.7

Crew

8.4

Boarding

7.8

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
British Airways
6.7
Okay
7,704 reviews
KLM
7.7
Good
1,443 reviews

Food

7.3

Entertainment

7.1

Overall

7.7

Crew

8.4

Boarding

7.8

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

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, United Airlines, and Turkish 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 9h 55m. 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.

  • 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Fremont to Bucharest

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Otopeni Intl flights
San Francisco to Otopeni Intl flights
Ontario to Otopeni Intl flights
Santa Ana to Otopeni Intl flights
San Jose to Otopeni Intl flights
Los Angeles to Cluj Napoca flights
Ontario to Cluj Napoca flights
San Francisco to Cluj Napoca flights
Los Angeles to Sibiu flights
Sacramento to Otopeni Intl flights
San Diego to Otopeni Intl flights
Las Vegas to Otopeni Intl flights
Los Angeles to Timisoara flights
Burbank to Cluj Napoca flights
Oakland to Otopeni Intl flights
Burbank to Otopeni Intl flights
San Francisco to Suceava flights
Santa Ana to Cluj Napoca flights
Sacramento to Cluj Napoca flights
Monterey to Otopeni Intl flights
San Francisco to Iaşi flights
Reno to Cluj Napoca flights
San Jose to Sibiu flights
Long Beach to Otopeni Intl flights
Sacramento to Timisoara flights
San Jose to Cluj Napoca flights
San Francisco to Timisoara flights
Sacramento to Sibiu flights
San Francisco to Satu Mare flights
San Francisco to Oradea flights
Santa Rosa to Cluj Napoca flights
Los Angeles to Iaşi flights
Oakland to Bacău flights
Oakland to Cluj Napoca flights
Oakland to Iaşi flights
San Jose to Iaşi flights
San Diego to Timisoara flights
San Francisco to Bacău flights

Top 6 airlines flying from Fremont to Bucharest

Discover the top 6 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 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$538Average$888FlexibilityNo cancel feeOn-time70%
SWISSCheapest$560Average$860FlexibilityNo cancel feeOn-time79%
Turkish AirlinesCheapest$592Average$691FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$620Average$1,031FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$660Average$1,140FlexibilityNo cancel feeOn-time69%
KLMCheapest$661Average$811FlexibilityNo cancel feeOn-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
Cookie settings©2026 Cheapflights