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Otopeni Intl

$612+ Cheap flights from Fremont, CA to Otopeni Intl (OTP)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — OTP
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Fremont to Bucharest Otopeni Intl are usually found in November or October, booked 48 days in advance, depart on a Monday or Saturday and return on a Friday

Cheap flight deals from Fremont to Otopeni Intl

Cheapest flights from Fremont to Otopeni Intl
Explore the most affordable flight options available from Fremont to Otopeni Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.

This KAYAK deal was found by Cheapflights users on 12/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/245:25 pmSFO - OTP
2 stops29h 40mAustrian Airlines
Sun 1/117:10 pmOTP - SFO
2 stops58h 25mAustrian Airlines
Deal found 12/14$717
This FlightHub deal was found by Cheapflights users on 12/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/245:25 pmSFO - OTP
2 stops20h 30mMultiple Airlines
Sun 1/117:10 pmOTP - SFO
2 stops31h 50mMultiple Airlines
Deal found 12/14$807
This Kiwi.com deal was found by Cheapflights users on 12/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/251:30 pmSFO - OTP
1 stop36h 50mMultiple Airlines
Sun 1/117:10 pmOTP - SFO
2 stops31h 50mMultiple Airlines
Deal found 12/14$818
This Expedia deal was found by Cheapflights users on 12/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/245:25 pmSFO - OTP
2 stops21h 00mMultiple Airlines
Sat 1/107:20 pmOTP - SFO
2 stops52h 00mMultiple Airlines
Deal found 12/14$887
This KAYAK deal was found by Cheapflights users on 12/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2512:50 pmSFO - OTP
2 stops25h 35mSWISS
Sat 1/104:40 pmOTP - SFO
2 stops54h 40mSWISS
Deal found 12/14$888
This Kiwi.com deal was found by Cheapflights users on 12/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/251:30 pmSFO - OTP
1 stop36h 50mLufthansa
Sun 1/117:20 pmOTP - SFO
1 stop34h 15mLufthansa
Deal found 12/14$905
This Expedia deal was found by Cheapflights users on 12/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:50 pmSFO - OTP
1 stop19h 05mLufthansa
Sat 1/107:20 pmOTP - SFO
2 stops52h 00mLufthansa
Deal found 12/14$979
This Expedia deal was found by Cheapflights users on 12/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/259:40 pmSFO - OTP
1 stop28h 40mLufthansa
Sat 1/107:20 pmOTP - SFO
2 stops52h 00mLufthansa
Deal found 12/14$993
This Kiwi.com deal was found by Cheapflights users on 12/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:50 pmSFO - OTP
1 stop19h 05mLufthansa
Sun 1/112:50 pmOTP - SFO
1 stop31h 50mLufthansa
Deal found 12/14$1,109

Find flight deals from Fremont to Otopeni Intl

Keep the following information in mind while searching for Fremont to Otopeni Intl flight deals. Data was last updated December 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$612
(FlightHub)

Popular in

June

Cheapest in

November

Average price

$856
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 Otopeni Intl
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($246 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($52 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Fremont to Otopeni Intl 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 December 15, 2025.
Use the filters below to find and compare flights from Fremont to Bucharest Otopeni Intl Airport that are best for you.

Fly from

Fremont

Fly to

Otopeni Intl

Route

Depart

Return

Price

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Mon 3/9

7:50 pm-8:30 pm

1 stop15h 40m

Bucharest Otopeni Intl

Wed 3/18

10:10 am-5:45 pm

1 stop16h 35m

$612

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Thu 3/5

8:40 pm-11:45 pm

1 stop17h 05m

Bucharest Otopeni Intl

Sat 3/14

8:05 am-7:45 pm

1 stop20h 40m

$636

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Fri 2/6

8:40 pm-11:25 pm

1 stop16h 45m

Bucharest Otopeni Intl

Tue 3/3

8:00 am-3:00 pm

1 stop17h 00m

$651

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Sun 3/8

10:40 pm-1:05 am

1 stop17h 25m

Bucharest Otopeni Intl

Tue 3/17

2:50 pm-9:10 pm

1 stop15h 20m

$655

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Sun 2/1

11:13 pm-3:30 pm

2 stops30h 17m

Bucharest Otopeni Intl

Sun 2/8

7:35 am-3:00 pm

1 stop17h 25m

$656

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Tue 3/10

9:40 pm-10:55 pm

1 stop16h 15m

Bucharest Otopeni Intl

Thu 3/19

4:35 pm-4:00 pm

1 stop32h 25m

$656

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Sun 5/3

4:25 pm-5:25 pm

2 stops39h 00m

Bucharest Otopeni Intl

Sat 5/9

8:05 pm-1:50 pm

1 stop27h 45m

$656

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Thu 2/5

5:25 pm-12:25 am

2 stops21h 00m

Bucharest Otopeni Intl

Sat 2/28

6:55 am-7:35 pm

2 stops22h 40m

$657

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Mon 1/12

2:36 pm-11:00 pm

2 stops22h 24m

Bucharest Otopeni Intl

Mon 1/26

8:05 am-11:12 pm

2 stops25h 07m

$660

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Best time to book a flight from Fremont to Otopeni Intl

Have a flexible travel schedule? Discover the best time to fly to Otopeni Intl 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 Otopeni Intl Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Fremont to Otopeni Intl. Price data was last updated on December 12, 2025.

The price you pay for your flight from Fremont to Bucharest Otopeni Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 48 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, March is the cheapest month in which you can book a flight from Fremont to Bucharest Otopeni Intl Airport (average of $506). Flying from Fremont to Bucharest Otopeni Intl Airport 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.

What is the cheapest time of day to fly from FR8 to OTP?

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

One of the essential ways to save on airfare from Fremont to Bucharest Otopeni Intl Airport is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 47% on airfare.

What is the cheapest day to fly from Fremont to Bucharest Otopeni Intl Airport?

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

Travelers seeking maximum savings on their Fremont to Bucharest Otopeni Intl Airport flight should consider departing on Monday afternoons when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Otopeni Intl

Get insights into the airlines that provide service to Otopeni Intl. 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 Otopeni Intl. Reviews last updated December 15, 2025.
Peruse reviews from past customers who have flown with KLM, United Airlines, and Turkish Airlines from Fremont to Bucharest Otopeni Intl Airport 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
1,430 reviews

Comfort

7.6

Crew

8.4

Boarding

7.8

Food

7.2

Overall

7.7

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
1,430 reviews
KLM
7.7
Good
1,430 reviews

Comfort

7.6

Crew

8.4

Boarding

7.8

Food

7.2

Overall

7.7

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
9,092 reviews
KLM
7.7
Good
1,430 reviews

Comfort

7.6

Crew

8.4

Boarding

7.8

Food

7.2

Overall

7.7

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
4,097 reviews
KLM
7.7
Good
1,430 reviews

Comfort

7.6

Crew

8.4

Boarding

7.8

Food

7.2

Overall

7.7

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
7,628 reviews
KLM
7.7
Good
1,430 reviews

Comfort

7.6

Crew

8.4

Boarding

7.8

Food

7.2

Overall

7.7

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
7,575 reviews
KLM
7.7
Good
1,430 reviews

Comfort

7.6

Crew

8.4

Boarding

7.8

Food

7.2

Overall

7.7

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 Otopeni Intl. 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 Otopeni Intl Airport?

    Airlines like Turkish Airlines and British Airways fly from Fremont to Bucharest Otopeni Intl Airport in about 15h 40m. The time it takes to get you to your destination can typically vary by up to 1h 25m. Airlines will cover a distance of 6422 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Fremont to Bucharest Otopeni Intl Airport 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 Otopeni Intl Airport for a low price.

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

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

  • How can I find direct flights from Fremont to Otopeni Intl?

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

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

    Yes. Cheapflights offers flight deals from Fremont to Otopeni Intl 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 Otopeni Intl Airport?

    Currently, March is the cheapest month in which you can book a flight from Fremont to Bucharest Otopeni Intl Airport (average of $506). Flying from Fremont to Bucharest Otopeni Intl Airport 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 Otopeni Intl Airport?

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

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Top 7 airlines flying from Fremont to Otopeni Intl

Discover the top 7 airlines that operate flights from Fremont to Otopeni Intl. 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 December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$519Average$649FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$538Average$840FlexibilityNo cancel feeOn-time70%
SWISSCheapest$560Average$860FlexibilityNo cancel feeOn-time79%
Turkish AirlinesCheapest$595Average$695FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$620Average$1,022FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$660Average$1,083FlexibilityNo cancel feeOn-time69%
KLMCheapest$661Average$811FlexibilityNo cancel feeOn-time75%

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