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$677+ Cheap flights from Otopeni Intl (OTP) to San Francisco (SFO)

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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
OTP — SFO
May 5 — May 121
Mon 5/5
Mon 5/12
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 Bucharest Otopeni Intl to San Francisco are usually found in March or February, booked 72 days in advance, depart on a Friday or Tuesday and return on a Monday

Cheap flight deals from Otopeni Intl to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Otopeni Intl (OTP) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 30, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$789
(Scandinavian Airlines)

One-way from

$677
(Air Serbia)

Popular in

July

Cheapest in

March

Average price

$839
Provider with most accurate pricing for Bucharest Otopeni Intl-San Francisco flight deals.
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Provider most trusted by Cheapflights users for Bucharest Otopeni Intl-San Francisco flights.
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From Bucharest Otopeni Intl to San Francisco
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One-way flight from Bucharest Otopeni Intl to San Francisco
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Highest demand for flights based on searches. 14% potential increase in price ($158 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Otopeni Intl to San Francisco

Cheapest flights from Otopeni Intl to San Francisco
Explore the most affordable flight options available from Otopeni Intl to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2025.

This Scandinavian Airlines deal was found by Cheapflights users on 4/28. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/159:25 pmOTP - SFO
2 stops36h 55mScandinavian Airlines
Wed 7/25:55 amSFO - OTP
2 stops29h 10mScandinavian Airlines
Deal found 4/28$789
This Gotogate deal was found by Cheapflights users on 4/28. 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.
Thu 5/89:15 pmOTP - SFO
1 stop26h 35mBritish Airways
Thu 5/224:20 pmSFO - OTP
1 stop23h 05mBritish Airways
Deal found 4/28$790
This KLM deal was found by Cheapflights users on 4/28. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/137:00 amOTP - SFO
1 stop14h 45mMultiple Airlines
Tue 7/18:25 pmSFO - OTP
1 stop17h 30mMultiple Airlines
Deal found 4/28$814
This American Airlines deal was found by Cheapflights users on 4/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/138:25 amOTP - SFO
2 stops22h 33mAmerican Airlines
Wed 7/212:28 pmSFO - OTP
2 stops21h 52mAmerican Airlines
Deal found 4/28$836
This Gotogate deal was found by Cheapflights users on 4/29. 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.
Mon 6/94:10 pmOTP - SFO
1 stop34h 00mSWISS
Mon 10/137:30 pmSFO - OTP
1 stop19h 35mSWISS
Deal found 4/29$880
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Fri 6/1312:40 pmOTP - SFO
1 stop16h 20mUnited Airlines
Tue 7/11:25 pmSFO - OTP
2 stops19h 10mUnited Airlines
Deal found 4/28$883
This Gotogate deal was found by Cheapflights users on 4/28. 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.
Wed 11/127:15 pmOTP - SFO
1 stop33h 30mLufthansa
Wed 11/198:35 pmSFO - OTP
1 stop18h 35mLufthansa
Deal found 4/28$920
This Delta deal was found by Cheapflights users on 4/28. 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.
Tue 7/17:00 amOTP - SFO
2 stops22h 09mDelta
Tue 7/87:00 amSFO - OTP
2 stops19h 10mDelta
Deal found 4/28$924
This Gotogate deal was found by Cheapflights users on 4/28. 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.
Sat 6/146:00 amOTP - SFO
2 stops25h 02mAir Canada
Wed 7/28:40 amSFO - OTP
2 stops17h 15mAir Canada
Deal found 4/28$1,002
This Austrian Airlines deal was found by Cheapflights users on 4/29. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/156:35 amOTP - SFO
2 stops22h 25mAustrian Airlines
Tue 7/11:00 pmSFO - OTP
2 stops19h 05mAustrian Airlines
Deal found 4/29$1,004
This FlightHub deal was found by Cheapflights users on 4/28. 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 5/199:40 amOTP - SFO
1 stop17h 00mTurkish Airlines
Wed 5/216:45 pmSFO - OTP
1 stop27h 25mTurkish Airlines
Deal found 4/28$1,196
This TAP AIR PORTUGAL deal was found by Cheapflights users on 4/28. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/175:45 pmOTP - SFO
2 stops30h 50mTAP AIR PORTUGAL
Tue 7/86:45 pmSFO - OTP
3 stops37h 00mTAP AIR PORTUGAL
Deal found 4/28$1,523

Cheapflights Fare Finder

Customize your flight search to find flights from Otopeni Intl to San Francisco 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 April 30, 2025.
Use the filters below to find and compare flights from Bucharest Otopeni Intl Airport to San Francisco that are best for you.

Fly from

Otopeni Intl

Fly to

San Francisco

Route

Depart

Return

Price

BucharestSan Francisco

OTP - SFO

OTPSFO

Bucharest Otopeni Intl

Sun 6/15

9:25 pm-12:20 am

2 stops36h 55m

San Francisco

Wed 7/2

5:55 am-9:05 pm

2 stops29h 10m

$789

BucharestSan Francisco

OTP - SFO

OTPSFO

Bucharest Otopeni Intl

Tue 6/17

6:15 pm-1:50 pm

1 stop29h 35m

San Francisco

Tue 7/8

4:25 pm-1:25 am

2 stops23h 00m

$793

BucharestSan Francisco

OTP - SFO

OTPSFO

Bucharest Otopeni Intl

Thu 6/12

8:25 am-11:43 pm

2 stops25h 18m

San Francisco

Wed 7/2

1:17 pm-8:20 pm

2 stops21h 03m

$796

BucharestSan Francisco

OTP - SFO

OTPSFO

Bucharest Otopeni Intl

Fri 6/13

7:00 am-11:45 am

1 stop14h 45m

San Francisco

Mon 6/30

5:50 am-12:10 pm

2 stops20h 20m

$814

BucharestSan Francisco

OTP - SFO

OTPSFO

Bucharest Otopeni Intl

Sat 6/14

7:00 am-3:53 pm

2 stops18h 53m

San Francisco

Tue 7/1

8:25 pm-11:55 pm

1 stop17h 30m

$819

BucharestSan Francisco

OTP - SFO

OTPSFO

Bucharest Otopeni Intl

Mon 6/9

4:10 pm-4:10 pm

1 stop34h 00m

San Francisco

Mon 10/13

7:30 pm-1:05 am

1 stop19h 35m

$880

BucharestSan Francisco

OTP - SFO

OTPSFO

Bucharest Otopeni Intl

Fri 6/13

12:40 pm-7:00 pm

1 stop16h 20m

San Francisco

Tue 7/1

1:25 pm-6:35 pm

2 stops19h 10m

$883

BucharestSan Francisco

OTP - SFO

OTPSFO

Bucharest Otopeni Intl

Sat 6/14

6:00 am-9:02 pm

2 stops25h 02m

San Francisco

Wed 7/2

8:40 am-11:55 am

2 stops17h 15m

$1,002

BucharestSan Francisco

OTP - SFO

OTPSFO

Bucharest Otopeni Intl

Sun 6/15

6:35 am-7:00 pm

2 stops22h 25m

San Francisco

Tue 7/1

1:00 pm-6:05 pm

2 stops19h 05m

$1,004

BucharestSan Francisco

OTP - SFO

OTPSFO

Bucharest Otopeni Intl

Mon 5/19

9:40 am-4:40 pm

1 stop17h 00m

San Francisco

Wed 5/21

6:45 pm-8:10 am

1 stop27h 25m

$1,196

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 25 results
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Compare providers for flights from Otopeni Intl to San Francisco

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Otopeni Intl to San Francisco in April.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Bucharest Otopeni Intl Airport-San Francisco flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Bucharest Otopeni Intl Airport-San Francisco flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Bucharest Otopeni Intl Airport-San Francisco flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Bucharest Otopeni Intl Airport-San Francisco flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Bucharest Otopeni Intl Airport-San Francisco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Otopeni Intl to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Otopeni Intl 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 Bucharest Otopeni Intl Airport to San Francisco

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

Use this chart to determine the optimal time to book a round-trip flight from Otopeni Intl to San Francisco. Price data was last updated on April 25, 2025.

Booking 72 days in advance of your planned departure date is, on average, the best time to get cheap flights from Bucharest Otopeni Intl Airport to San Francisco. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, January is the cheapest month in which you can book a flight from Bucharest Otopeni Intl Airport to San Francisco (average of $276). Flying from Bucharest Otopeni Intl Airport to San Francisco in June is currently the most expensive (average of $393). 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 OTP to SFO?

Find hourly flight availability from Otopeni Intl to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 30, 2025.

One of the essential ways to save on airfare from Bucharest Otopeni Intl Airport to San Francisco is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 10% on airfare.

Rainfall in San Francisco by month

Plan your trip to San Francisco by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit San Francisco when rainfall is around 0.0 in.

Temperature in San Francisco by month

Plan your trip to San Francisco by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. 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 San Francisco. Reviews last updated April 30, 2025.
Get a feel of what it's like to fly with Emirates, Delta and KLM from Bucharest to San Francisco by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Emirates
8.0
Very good
3,213 reviews

Crew

8.3

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Food

7.8

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Emirates
8.0
Very good
3,213 reviews
Emirates
8.0
Very good
3,213 reviews

Crew

8.3

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Food

7.8

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Delta
8.0
Very good
7,929 reviews
Emirates
8.0
Very good
3,213 reviews

Crew

8.3

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Food

7.8

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
KLM
7.8
Good
1,334 reviews
Emirates
8.0
Very good
3,213 reviews

Crew

8.3

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Food

7.8

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Austrian Airlines
7.6
Good
780 reviews
Emirates
8.0
Very good
3,213 reviews

Crew

8.3

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Food

7.8

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
SWISS
7.5
Good
1,588 reviews
Emirates
8.0
Very good
3,213 reviews

Crew

8.3

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Food

7.8

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

Related info for your journey

Find useful and relevant information for your journey from Otopeni Intl to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to San Francisco from Bucharest Otopeni Intl?

    Most people fly into San Francisco (SFO) if they book a flight to San Francisco from Bucharest Otopeni Intl. On average, San Francisco has 0 inbound flights from Bucharest Otopeni Intl per day from 4 airlines. San Francisco is conveniently located just 11.8 mi from San Francisco’s city center.

  • What are the cheapest airlines flying from Bucharest Otopeni Intl Airport to San Francisco round-trip?

    Cheapflights users have booked flights from Bucharest Otopeni Intl Airport to San Francisco round-trip from $789. Other airlines that can offer you cheap pricing are British Airways, from $793, and American Airlines, from $796. Scandinavian Airlines is 15% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Bucharest Otopeni Intl Airport to San Francisco one-way?

    The cheapest airlines for a one-way flight from Bucharest Otopeni Intl Airport to San Francisco are Air Serbia ($677), Qatar Airways ($755), and KLM ($775).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Otopeni Intl to San Francisco 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 Bucharest Otopeni Intl Airport to San Francisco?

    Currently, January is the cheapest month in which you can book a flight from Bucharest Otopeni Intl Airport to San Francisco (average of $276). Flying from Bucharest Otopeni Intl Airport to San Francisco in June is currently the most expensive (average of $393). 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
Roseville
Mountain View
Santa Cruz
Livermore
South San Francisco
Turlock
Manteca
Fairfield
Richmond
Watsonville
Hollister
Newark
Milpitas
Antioch
Sausalito
Hayward
Alameda
Sunnyvale
Campbell
Daly City

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Top 4 airlines flying from Otopeni Intl to San Francisco

Discover the top 4 airlines that operate flights from Otopeni Intl to San Francisco. 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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$706Average$819FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$722Average$1,025FlexibilityNo cancel feeOn-time76%
KLMCheapest$774Average$905FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$819Average$1,006FlexibilityNo cancel feeOn-time77%

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