HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Otopeni Intl

$318+ Cheap flights from Fremont, CA to Otopeni Intl (OTP)

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 — OTP
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Fremont to Otopeni Intl 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.

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

Cheap 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 September 15, 2025.

Round-trip from

$606
(Lufthansa)

One-way from

$318
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$744
From Fremont to Bucharest Otopeni Intl
Search Deals
One-way flight from Fremont to Bucharest Otopeni Intl
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($269 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 September 2025
Search Deals

Find 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 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 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 September 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

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 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 September 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, November is the cheapest month in which you can book a flight from Fremont to Bucharest Otopeni Intl Airport (average of $604). Flying from Fremont to Bucharest Otopeni Intl Airport 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 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 September 15, 2025.

When flying from Fremont to Bucharest Otopeni Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 September 15, 2025.
Peruse reviews from past customers who have flown with KLM, Scandinavian Airlines, and United 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
7.8
Good
1,385 reviews

Crew

8.4

Boarding

7.8

Entertainment

7.2

Food

7.3

Comfort

7.7

Overall

7.8

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
KLM
7.8
Good
1,385 reviews
KLM
7.8
Good
1,385 reviews

Crew

8.4

Boarding

7.8

Entertainment

7.2

Food

7.3

Comfort

7.7

Overall

7.8

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
Scandinavian Airlines
7.4
Good
1,484 reviews
KLM
7.8
Good
1,385 reviews

Crew

8.4

Boarding

7.8

Entertainment

7.2

Food

7.3

Comfort

7.7

Overall

7.8

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
United Airlines
7.4
Good
8,929 reviews
KLM
7.8
Good
1,385 reviews

Crew

8.4

Boarding

7.8

Entertainment

7.2

Food

7.3

Comfort

7.7

Overall

7.8

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
Turkish Airlines
7.3
Good
3,968 reviews
KLM
7.8
Good
1,385 reviews

Crew

8.4

Boarding

7.8

Entertainment

7.2

Food

7.3

Comfort

7.7

Overall

7.8

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
Lufthansa
6.8
Okay
7,407 reviews
KLM
7.8
Good
1,385 reviews

Crew

8.4

Boarding

7.8

Entertainment

7.2

Food

7.3

Comfort

7.7

Overall

7.8

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

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 Lufthansa and United Airlines fly from Fremont to Bucharest Otopeni Intl Airport in about 17h 25m. The time it takes to get you to your destination can typically vary by up to 2h 20m. Airlines will cover a distance of 6422 mi. This flight may include one or multiple stops.

  • 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, November is the cheapest month in which you can book a flight from Fremont to Bucharest Otopeni Intl Airport (average of $604). Flying from Fremont to Bucharest Otopeni Intl Airport 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 Otopeni Intl Airport?

Book flights to Bucharest Otopeni Intl Airport 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.

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 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%

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.