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$381+ 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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
OTP — SFO
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheapflights Tip: The best prices from Bucharest Otopeni Intl to San Francisco are usually found in March or February, booked 68 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 September 17, 2025.

Round-trip from

$581
(Gotogate)

One-way from

$381
(Kiwi.com)

Popular in

July

Cheapest in

March

Average price

$837
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. 8% potential increase in price ($81 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 17, 2025.

This Gotogate deal was found by Cheapflights users on 9/17. 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 9/299:50 pmOTP - SFO
1 stop28h 40mScandinavian Airlines
Sun 10/127:40 pmSFO - OTP
1 stop15h 30mScandinavian Airlines
Deal found 9/17$581
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/229:50 pmOTP - SFO
1 stop28h 40mScandinavian Airlines
Sun 10/57:40 pmSFO - OTP
1 stop15h 30mScandinavian Airlines
Deal found 9/15$608
This Mytrip deal was found by Cheapflights users on 9/16. 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.
Fri 10/316:10 amOTP - SFO
2 stops20h 20mMultiple Airlines
Fri 11/72:40 pmSFO - OTP
2 stops21h 50mMultiple Airlines
Deal found 9/16$617
This oojo deal was found by Cheapflights users on 9/17. 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.
Sun 9/289:25 pmOTP - SFO
1 stop29h 05mScandinavian Airlines
Sun 10/197:40 pmSFO - OTP
1 stop15h 30mScandinavian Airlines
Deal found 9/17$626
This Scandinavian 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/248:35 pmOTP - SFO
2 stops38h 46mScandinavian Airlines
Sun 10/57:40 pmSFO - OTP
1 stop15h 30mScandinavian Airlines
Deal found 9/15$629
This Gotogate deal was found by Cheapflights users on 9/17. 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 9/209:25 pmOTP - SFO
1 stop29h 05mScandinavian Airlines
Sun 10/57:40 pmSFO - OTP
1 stop15h 30mScandinavian Airlines
Deal found 9/17$634
This Scandinavian 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/199:50 pmOTP - SFO
1 stop28h 40mScandinavian Airlines
Sun 10/57:40 pmSFO - OTP
1 stop15h 30mScandinavian Airlines
Deal found 9/15$652
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/249:50 pmOTP - SFO
1 stop28h 40mScandinavian Airlines
Thu 11/134:40 pmSFO - OTP
2 stops21h 50mScandinavian Airlines
Deal found 9/15$678
This Scandinavian 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/248:35 pmOTP - SFO
2 stops38h 46mScandinavian Airlines
Fri 10/312:40 pmSFO - OTP
2 stops21h 55mScandinavian Airlines
Deal found 9/15$687
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/249:30 amOTP - SFO
1 stop24h 14mMultiple Airlines
Wed 11/124:35 pmSFO - OTP
2 stops22h 10mMultiple Airlines
Deal found 9/15$694

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 September 17, 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 9/28

9:25 pm-4:30 pm

1 stop29h 05m

San Francisco

Sun 10/19

7:40 pm-9:10 pm

1 stop15h 30m

$626

BucharestSan Francisco

OTP - SFO

OTPSFO

Bucharest Otopeni Intl

Sat 10/25

9:25 pm-5:35 pm

1 stop30h 10m

San Francisco

Sun 11/9

4:40 pm-12:30 am

2 stops21h 50m

$708

BucharestSan Francisco

OTP - SFO

OTPSFO

Bucharest Otopeni Intl

Sat 10/25

9:25 pm-5:35 pm

1 stop30h 10m

San Francisco

Sat 11/15

4:40 pm-1:00 pm

2 stops34h 20m

$709

BucharestSan Francisco

OTP - SFO

OTPSFO

Bucharest Otopeni Intl

Wed 10/22

8:50 pm-11:41 pm

2 stops36h 51m

San Francisco

Mon 11/10

4:40 pm-1:00 pm

2 stops34h 20m

$773

BucharestSan Francisco

OTP - SFO

OTPSFO

Bucharest Otopeni Intl

Mon 10/20

9:50 pm-11:41 pm

2 stops35h 51m

San Francisco

Mon 11/10

4:40 pm-1:00 pm

2 stops34h 20m

$773

BucharestSan Francisco

OTP - SFO

OTPSFO

Bucharest Otopeni Intl

Mon 10/20

9:50 pm-11:41 pm

2 stops35h 51m

San Francisco

Sat 11/15

4:40 pm-1:00 pm

2 stops34h 20m

$773

BucharestSan Francisco

OTP - SFO

OTPSFO

Bucharest Otopeni Intl

Mon 10/20

9:50 pm-11:41 pm

2 stops35h 51m

San Francisco

Thu 11/13

4:40 pm-12:30 am

2 stops21h 50m

$773

BucharestSan Francisco

OTP - SFO

OTPSFO

Bucharest Otopeni Intl

Fri 2/27

6:00 am-11:50 am

1 stop15h 50m

San Francisco

Thu 3/12

4:40 pm-10:50 pm

1 stop21h 10m

$777

BucharestSan Francisco

OTP - SFO

OTPSFO

Bucharest Otopeni Intl

Fri 12/12

6:00 am-11:50 am

1 stop15h 50m

San Francisco

Fri 1/23

6:00 am-1:50 pm

2 stops21h 50m

$778

BucharestSan Francisco

OTP - SFO

OTPSFO

Bucharest Otopeni Intl

Fri 2/27

6:00 am-11:50 am

1 stop15h 50m

San Francisco

Thu 3/12

1:00 pm-10:50 pm

2 stops24h 50m

$778

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 17 results
1
2

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 September 12, 2025.

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, 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 $357). 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 September 17, 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.

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 September 17, 2025.
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
7.8
Good
1,386 reviews

Comfort

7.7

Entertainment

7.2

Food

7.3

Boarding

7.8

Crew

8.4

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
1,386 reviews
KLM
7.8
Good
1,386 reviews

Comfort

7.7

Entertainment

7.2

Food

7.3

Boarding

7.8

Crew

8.4

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.
SWISS
7.6
Good
1,737 reviews
KLM
7.8
Good
1,386 reviews

Comfort

7.7

Entertainment

7.2

Food

7.3

Boarding

7.8

Crew

8.4

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
3,965 reviews
KLM
7.8
Good
1,386 reviews

Comfort

7.7

Entertainment

7.2

Food

7.3

Boarding

7.8

Crew

8.4

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
7,409 reviews
KLM
7.8
Good
1,386 reviews

Comfort

7.7

Entertainment

7.2

Food

7.3

Boarding

7.8

Crew

8.4

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.
British Airways
6.7
Okay
7,367 reviews
KLM
7.8
Good
1,386 reviews

Comfort

7.7

Entertainment

7.2

Food

7.3

Boarding

7.8

Crew

8.4

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 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 5 airlines. San Francisco is conveniently located just 11.8 mi from San Francisco’s city center.

  • How long is the flight from Bucharest Otopeni Intl Airport to San Francisco?

    Airlines like Scandinavian Airlines fly from Bucharest Otopeni Intl Airport to San Francisco in about 29h 05m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 6422 mi.

  • 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 $705. Other airlines that can offer you cheap pricing are Lufthansa, from $726, and KLM, from $767. British Airways is 22% 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, 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 $357). 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
Roseville
Santa Cruz
Livermore
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Turlock
Antioch
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Santa Clara
Manteca
Sunnyvale
Hollister
Vacaville
Foster City
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San Leandro
Lathrop

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Top 5 airlines flying from Otopeni Intl to San Francisco

Discover the top 5 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$705Average$795FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$726Average$922FlexibilityNo cancel feeOn-time76%
KLMCheapest$767Average$901FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$819Average$1,099FlexibilityNo cancel feeOn-time77%
SWISSCheapest$827Average$992FlexibilityNo cancel feeOn-time79%

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