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$317+ 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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
OTP — SFO
Feb 24 — Mar 31
Tue 2/24
Tue 3/3
1 adult, Economy
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Cheap 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 January 25, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/22. 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 2/117:50 am
OTP
-
SFO
1 stop22h 20m
Multiple Airlines
Sun 3/810:40 pm
SFO
-
OTP
1 stop17h 25m
Multiple Airlines
Deal found 1/22$642
This Kiwi.com deal was found by Cheapflights users on 1/22. 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 2/117:50 am
OTP
-
SFO
1 stop22h 20m
Multiple Airlines
Wed 3/1110:40 pm
SFO
-
OTP
1 stop17h 25m
Multiple Airlines
Deal found 1/22$652
This Kiwi.com deal was found by Cheapflights users on 1/22. 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 2/117:50 am
OTP
-
SFO
1 stop22h 20m
Multiple Airlines
Tue 3/108:25 pm
SFO
-
OTP
1 stop19h 05m
Multiple Airlines
Deal found 1/22$653
This Kiwi.com deal was found by Cheapflights users on 1/23. 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 2/266:30 pm
OTP
-
SFO
2 stops31h 35m
Multiple Airlines
Wed 3/118:25 pm
SFO
-
OTP
1 stop34h 25m
Multiple Airlines
Deal found 1/23$654
This Kiwi.com deal was found by Cheapflights users on 1/22. 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 2/117:50 am
OTP
-
SFO
1 stop22h 20m
Multiple Airlines
Mon 3/910:40 pm
SFO
-
OTP
2 stops16h 10m
Multiple Airlines
Deal found 1/22$655
This Kiwi.com deal was found by Cheapflights users on 1/22. 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 2/86:15 am
OTP
-
SFO
2 stops40h 39m
Multiple Airlines
Sun 3/810:40 pm
SFO
-
OTP
1 stop17h 25m
Multiple Airlines
Deal found 1/22$663
This Kiwi.com deal was found by Cheapflights users on 1/22. 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 2/86:15 am
OTP
-
SFO
2 stops40h 39m
Multiple Airlines
Wed 3/1110:40 pm
SFO
-
OTP
1 stop17h 25m
Multiple Airlines
Deal found 1/22$674
This Kiwi.com deal was found by Cheapflights users on 1/22. 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.
Sat 2/710:55 pm
OTP
-
SFO
2 stops31h 15m
Multiple Airlines
Sun 3/810:40 pm
SFO
-
OTP
1 stop17h 25m
Multiple Airlines
Deal found 1/22$676
This Kiwi.com deal was found by Cheapflights users on 1/22. 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 2/85:50 am
OTP
-
SFO
2 stops24h 20m
Multiple Airlines
Tue 3/108:25 pm
SFO
-
OTP
1 stop19h 05m
Multiple Airlines
Deal found 1/22$678
This Kiwi.com deal was found by Cheapflights users on 1/22. 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.
Sat 2/710:55 pm
OTP
-
SFO
2 stops31h 15m
Multiple Airlines
Wed 3/1110:40 pm
SFO
-
OTP
1 stop17h 25m
Multiple Airlines
Deal found 1/22$686

Find 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 January 25, 2026.

Most accurate provider

oojo
3 stars

Most trusted provider

oojo
3 stars

Round-trip from

$642
(Kiwi.com)

One-way from

$317
(Kiwi.com)

Popular in

July

Cheapest in

March

Average price

$904
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.
Search Deals
From Bucharest Otopeni Intl to San Francisco
Search Deals
One-way flight from Bucharest Otopeni Intl to San Francisco
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($68 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($17 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 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 January 25, 2026.
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

Wed 2/11

7:50 am-8:10 pm

1 stop22h 20m

San Francisco

Mon 3/9

10:40 pm-11:50 pm

2 stops16h 10m

$655

BucharestSan Francisco

OTP - SFO

OTPSFO

Bucharest Otopeni Intl

Sat 2/7

10:55 pm-8:10 pm

2 stops31h 15m

San Francisco

Tue 3/10

8:25 pm-12:30 am

1 stop19h 05m

$688

BucharestSan Francisco

OTP - SFO

OTPSFO

Bucharest Otopeni Intl

Thu 4/9

6:00 am-5:55 pm

1 stop21h 55m

San Francisco

Wed 4/29

9:05 pm-1:10 am

1 stop18h 05m

$691

BucharestSan Francisco

OTP - SFO

OTPSFO

Bucharest Otopeni Intl

Mon 4/27

6:20 pm-2:35 pm

2 stops30h 15m

San Francisco

Mon 5/11

9:05 pm-1:10 am

1 stop18h 05m

$713

BucharestSan Francisco

OTP - SFO

OTPSFO

Bucharest Otopeni Intl

Fri 2/13

10:20 pm-2:45 pm

2 stops26h 25m

San Francisco

Wed 3/11

10:40 pm-1:05 am

1 stop17h 25m

$751

BucharestSan Francisco

OTP - SFO

OTPSFO

Bucharest Otopeni Intl

Fri 2/27

8:20 pm-3:00 pm

1 stop28h 40m

San Francisco

Thu 3/12

9:40 pm-11:45 pm

1 stop17h 05m

$801

BucharestSan Francisco

OTP - SFO

OTPSFO

Bucharest Otopeni Intl

Wed 4/1

6:05 am-12:40 pm

1 stop16h 35m

San Francisco

Wed 4/8

7:35 pm-1:05 am

1 stop19h 30m

$802

BucharestSan Francisco

OTP - SFO

OTPSFO

Bucharest Otopeni Intl

Tue 3/31

1:50 pm-8:00 pm

1 stop16h 10m

San Francisco

Thu 5/14

2:00 pm-1:05 am

1 stop25h 05m

$802

BucharestSan Francisco

OTP - SFO

OTPSFO

Bucharest Otopeni Intl

Mon 2/9

5:55 am-3:55 pm

1 stop20h 00m

San Francisco

Mon 3/9

7:15 am-6:35 pm

2 stops26h 20m

$805

BucharestSan Francisco

OTP - SFO

OTPSFO

Bucharest Otopeni Intl

Thu 3/5

8:00 am-3:00 pm

1 stop17h 00m

San Francisco

Wed 3/18

6:30 pm-11:30 pm

1 stop20h 00m

$805

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/23

Showing 1-10 of 15 results
1
2

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 January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
oojoPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy2 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 oojo to be most consistent on Cheapflights vs. oojo Users can find the same prices on Bucharest Otopeni Intl Airport-San Francisco flight deals on Cheapflights vs. oojo >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 oojo the most. oojo 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 January 23, 2026.

Booking 68 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, August is the cheapest month in which you can book a flight from Bucharest Otopeni Intl Airport to San Francisco (average of $444). Flying from Bucharest Otopeni Intl Airport to San Francisco in December is currently the most expensive (average of $844). 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 Bucharest Otopeni Intl Airport to San Francisco?

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 January 25, 2026.
Get a feel of what it's like to fly with KLM, SWISS, and Turkish Airlines from Bucharest Otopeni Intl Airport 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.
KLM
7.7
Good
1,442 reviews

Comfort

7.6

Crew

8.4

Entertainment

7.1

Boarding

7.8

Overall

7.7

Food

7.3

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
1,442 reviews
KLM
7.7
Good
1,442 reviews

Comfort

7.6

Crew

8.4

Entertainment

7.1

Boarding

7.8

Overall

7.7

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
SWISS
7.5
Good
1,859 reviews
KLM
7.7
Good
1,442 reviews

Comfort

7.6

Crew

8.4

Entertainment

7.1

Boarding

7.8

Overall

7.7

Food

7.3

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
4,208 reviews
KLM
7.7
Good
1,442 reviews

Comfort

7.6

Crew

8.4

Entertainment

7.1

Boarding

7.8

Overall

7.7

Food

7.3

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
7,748 reviews
KLM
7.7
Good
1,442 reviews

Comfort

7.6

Crew

8.4

Entertainment

7.1

Boarding

7.8

Overall

7.7

Food

7.3

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 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 $722. Other airlines that can offer you cheap pricing are SWISS, from $827, and Turkish Airlines, from $845. Lufthansa is 21% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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, August is the cheapest month in which you can book a flight from Bucharest Otopeni Intl Airport to San Francisco (average of $444). Flying from Bucharest Otopeni Intl Airport to San Francisco in December is currently the most expensive (average of $844). 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 San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
South San Francisco
Santa Cruz
Roseville
Santa Clara
Livermore
Watsonville
San Bruno
Daly City
Sunnyvale
Vacaville
Turlock
San Carlos
San Ramon
Manteca
Vallejo
San Lorenzo
Davis
Hollister
Redwood City
Union 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 January 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$722Average$989FlexibilityNo cancel feeOn-time76%
SWISSCheapest$827Average$992FlexibilityNo cancel feeOn-time79%
Turkish AirlinesCheapest$845Average$1,131FlexibilityNo cancel feeOn-time77%
KLMCheapest$872Average$1,035FlexibilityNo cancel feeOn-time75%

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