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 28h 40m. 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 $722, and KLM, from $767. British Airways is 21% cheaper than the average price of flights available within the next 90 days to this destination.

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

Travelers seeking maximum savings on their Bucharest Otopeni Intl Airport to San Francisco flight should consider departing on Friday mornings when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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.

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).

What are the most popular airlines that fly from Bucharest Otopeni Intl Airport to San Francisco?

Consider British Airways, KLM or Lufthansa when booking your flight. These represent the most popular airlines when flying from Bucharest Otopeni Intl Airport to San Francisco.

What is the cheapest day to fly round-trip from Bucharest Otopeni Intl Airport to San Francisco?

Users have found that leaving on a Thursday can be a cost-effective option. It’s possible to save up to 30% on your flight compared to booking on days when demand is much higher.

What is the cheapest month to fly from Bucharest Otopeni Intl Airport to San Francisco?

Our data shows that January tends to be the cheapest month to fly to San Francisco from Bucharest Otopeni Intl Airport. Users have commonly found prices around $910 for the month, but tickets can be as low as $715. Due to multiple factors, prepare for potentially higher prices in July.

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.

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.

$409+ Cheap Flights from Bucharest Otopeni Intl Airport to San Francisco

Q: How far in advance should I book a flight from Bucharest Otopeni Intl Airport to San Francisco?

To save up to 61% on this flight, we recommend booking at least 39 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Bucharest Otopeni Intl Airport to San Francisco from $826 1-2 weeks out and tickets from $909 for flights departing within the next 72 hours.

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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 September or March, 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

Round-trip from	$445 (Mytrip)
One-way from	$409 (Kiwi.com)
Popular in	July
Cheapest in	September
Average price	$987

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. 11% potential increase in price ($120 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).

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Average for round-trip flights in August 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 August 18, 2025.

Mon 10/69:50 pmOTP - SFO

1 stop28h 40mScandinavian Airlines

Tue 10/217:40 pmSFO - OTP

1 stop14h 20mScandinavian Airlines

Deal found 8/18

$445

Mon 9/89:50 pmOTP - SFO

1 stop28h 40mScandinavian Airlines

Sun 9/217:40 pmSFO - OTP

1 stop15h 30mScandinavian Airlines

Deal found 8/17

$474

Fri 9/59:50 pmOTP - SFO

1 stop28h 40mScandinavian Airlines

Fri 10/37:40 pmSFO - OTP

1 stop14h 55mScandinavian Airlines

Deal found 8/16

$491

Wed 9/178:35 pmOTP - SFO

1 stop29h 55mScandinavian Airlines

Thu 9/257:40 pmSFO - OTP

1 stop15h 30mScandinavian Airlines

Deal found 8/16

$500

Fri 9/59:50 pmOTP - SFO

1 stop28h 40mScandinavian Airlines

Thu 10/27:40 pmSFO - OTP

1 stop15h 30mScandinavian Airlines

Deal found 8/17

$527

Fri 9/59:50 pmOTP - SFO

1 stop28h 40mScandinavian Airlines

Tue 9/3012:40 pmSFO - OTP

2 stops21h 20mScandinavian Airlines

Deal found 8/16

$551

Fri 9/59:50 pmOTP - SFO

2 stops34h 19mScandinavian Airlines

Sun 9/287:40 pmSFO - OTP

1 stop15h 30mScandinavian Airlines

Deal found 8/16

$556

Best flights from Otopeni Intl to San Francisco
Discover carefully curated flight deals from Otopeni Intl to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 18, 2025.

Mon 10/69:50 pmOTP - SFO

1 stop28h 40mScandinavian Airlines

Tue 10/217:40 pmSFO - OTP

1 stop14h 20mScandinavian Airlines

Deal found 8/17

$445

Mon 9/89:50 pmOTP - SFO

1 stop28h 40mScandinavian Airlines

Sun 9/217:40 pmSFO - OTP

1 stop15h 30mScandinavian Airlines

Deal found 8/17

$474

Fri 9/59:50 pmOTP - SFO

1 stop28h 40mScandinavian Airlines

Sun 9/287:40 pmSFO - OTP

1 stop15h 30mScandinavian Airlines

Deal found 8/16

$491

Fri 9/59:50 pmOTP - SFO

1 stop28h 40mScandinavian Airlines

Fri 10/37:40 pmSFO - OTP

1 stop14h 55mScandinavian Airlines

Deal found 8/16

$491

Fri 9/59:50 pmOTP - SFO

1 stop28h 40mScandinavian Airlines

Tue 9/307:40 pmSFO - OTP

1 stop14h 20mScandinavian Airlines

Deal found 8/16

$491

Fri 9/59:50 pmOTP - SFO

1 stop28h 40mScandinavian Airlines

Sat 9/277:40 pmSFO - OTP

1 stop14h 55mScandinavian Airlines

Deal found 8/17

$491

Wed 9/178:35 pmOTP - SFO

1 stop29h 55mScandinavian Airlines

Thu 9/257:40 pmSFO - OTP

1 stop15h 30mScandinavian Airlines

Deal found 8/16

$500

Last-minute flights from Otopeni Intl to San Francisco
Discover last-minute flight deals from Otopeni Intl to San Francisco. Data last updated August 18, 2025 and is based on user searches.

Fri 9/59:50 pmOTP - SFO

1 stop28h 40mScandinavian Airlines

Sun 9/287:40 pmSFO - OTP

1 stop15h 30mScandinavian Airlines

Deal found 8/16

$491

Fri 9/59:50 pmOTP - SFO

1 stop28h 40mScandinavian Airlines

Thu 10/27:40 pmSFO - OTP

1 stop15h 30mScandinavian Airlines

Deal found 8/16

$527

Fri 9/59:50 pmOTP - SFO

1 stop28h 40mScandinavian Airlines

Fri 10/35:55 amSFO - OTP

2 stops28h 40mScandinavian Airlines

Deal found 8/16

$533

Fri 9/59:50 pmOTP - SFO

1 stop28h 40mScandinavian Airlines

Tue 9/3012:40 pmSFO - OTP

2 stops21h 20mScandinavian Airlines

Deal found 8/16

$551

Mon 9/89:50 pmOTP - SFO

1 stop28h 40mScandinavian Airlines

Sun 9/217:40 pmSFO - OTP

1 stop15h 30mScandinavian Airlines

Deal found 8/17

$474

Wed 9/178:35 pmOTP - SFO

1 stop29h 55mScandinavian Airlines

Thu 9/257:40 pmSFO - OTP

1 stop15h 30mScandinavian Airlines

Deal found 8/16

$500

Wed 9/248:35 pmOTP - SFO

1 stop29h 55mScandinavian Airlines

Wed 10/88:59 pmSFO - OTP

2 stops38h 11mScandinavian Airlines

Deal found 8/16

$591

One-way flights from Otopeni Intl to San Francisco
Search for one-way flight options from Otopeni Intl to San Francisco. Find affordable one-way fares based on user searches. Data last updated August 18, 2025.

Sun 10/2611:30 pmOTP - SFO

3 stops41h 04mMultiple Airlines

Deal found 8/16

$409

Fri 8/294:30 amOTP - SFO

3 stops47h 05mMultiple Airlines

Deal found 8/18

$486

Thu 8/2810:25 pmOTP - SFO

3 stops53h 10mMultiple Airlines

Deal found 8/18

$500

Wed 8/273:05 pmOTP - SFO

3 stops33h 25mMultiple Airlines

Deal found 8/18

$507

Sun 8/248:35 amOTP - SFO

2 stops25h 24mMultiple Airlines

Deal found 8/17

$520

Sat 8/307:40 amOTP - SFO

3 stops37h 00mMultiple Airlines

Deal found 8/18

$549

Sun 9/1410:25 pmOTP - SFO

3 stops47h 29mMultiple Airlines

Deal found 8/16

$555

Sun 8/3110:25 pmOTP - SFO

3 stops49h 25mMultiple Airlines

Deal found 8/18

$582

Cheapflights Fare Finder

Use the filters below to find and compare flights from Bucharest Otopeni Intl Airport to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BucharestSan Francisco

OTP - SFO

OTPSFO

Bucharest Otopeni Intl

Mon 10/6

9:50 pm-4:30 pm

1 stop28h 40m

San Francisco

Tue 10/21

7:40 pm-8:00 pm

1 stop14h 20m

$445

BucharestSan Francisco

OTP - SFO

OTPSFO

Bucharest Otopeni Intl

Mon 9/8

9:50 pm-4:30 pm

1 stop28h 40m

San Francisco

Sun 9/21

7:40 pm-9:10 pm

1 stop15h 30m

$474

BucharestSan Francisco

OTP - SFO

OTPSFO

Bucharest Otopeni Intl

Fri 9/5

9:50 pm-4:30 pm

1 stop28h 40m

San Francisco

Sun 9/28

7:40 pm-9:10 pm

1 stop15h 30m

$491

BucharestSan Francisco

OTP - SFO

OTPSFO

Bucharest Otopeni Intl

Fri 9/5

9:50 pm-4:30 pm

1 stop28h 40m

San Francisco

Fri 10/3

7:40 pm-8:35 pm

1 stop14h 55m

$491

BucharestSan Francisco

OTP - SFO

OTPSFO

Bucharest Otopeni Intl

Fri 9/5

9:50 pm-4:30 pm

1 stop28h 40m

San Francisco

Tue 9/30

7:40 pm-8:00 pm

1 stop14h 20m

$491

BucharestSan Francisco

OTP - SFO

OTPSFO

Bucharest Otopeni Intl

Fri 9/5

9:50 pm-4:30 pm

1 stop28h 40m

San Francisco

Sat 9/27

7:40 pm-8:35 pm

1 stop14h 55m

$491

BucharestSan Francisco

OTP - SFO

OTPSFO

Bucharest Otopeni Intl

Wed 9/17

8:35 pm-4:30 pm

1 stop29h 55m

San Francisco

Thu 9/25

7:40 pm-9:10 pm

1 stop15h 30m

$500

BucharestSan Francisco

OTP - SFO

OTPSFO

Bucharest Otopeni Intl

Sun 10/26

11:30 pm-7:34 am

3 stops41h 04m

$409

BucharestSan Francisco

OTP - SFO

OTPSFO

Bucharest Otopeni Intl

Fri 8/29

4:30 am-5:35 pm

3 stops47h 05m

$486

BucharestSan Francisco

OTP - SFO

OTPSFO

Bucharest Otopeni Intl

Thu 8/28

10:25 pm-5:35 pm

3 stops53h 10m

$500

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

Showing 1-10 of 14 results

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?

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 $358). 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?

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 a feel of what it's like to fly with KLM, Turkish Airlines, and Lufthansa 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

1,385 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

KLM

7.8

Good

1,385 reviews

KLM

7.8

Good

1,385 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Turkish Airlines

7.3

Good

3,945 reviews

KLM

7.8

Good

1,385 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Lufthansa

6.8

Okay

7,330 reviews

KLM

7.8

Good

1,385 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

British Airways

6.7

Okay

7,277 reviews

KLM

7.8

Good

1,385 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Related info for your journey

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.
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 28h 40m. 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 $722, and KLM, from $767. British Airways 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, 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 $358). 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

Roseville

Santa Cruz

Livermore

South San Francisco

Mountain View

Turlock

Santa Clara

Hollister

Antioch

Watsonville

Manteca

Sunnyvale

Newark

Milpitas

Campbell

Foster City

San Leandro

Burlingame

Redwood City

Vallejo

Browse thousands of different options on Cheapflights for your next trip

Top 4 airlines flying from Otopeni Intl to San Francisco

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest$705	Average$795	FlexibilityNo cancel fee	On-time70%
Lufthansa	Cheapest$722	Average$984	FlexibilityNo cancel fee	On-time76%
KLM	Cheapest$767	Average$894	FlexibilityNo cancel fee	On-time75%
Turkish Airlines	Cheapest$819	Average$1,099	FlexibilityNo cancel fee	On-time77%

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$409+ 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 10/26. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Otopeni Intl to San Francisco with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Bucharest Otopeni Intl to San Francisco are usually found in September or March, 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

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Otopeni Intl to San Francisco

Cheapest flights from Otopeni Intl to San FranciscoExplore 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 August 18, 2025.

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 August 18, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Bucharest Otopeni Intl Airport to San Francisco that are best for you.

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.

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 August 8, 2025.

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

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 August 18, 2025.

Reviews of airlines servicing San Francisco

Get a feel of what it's like to fly with KLM, Turkish Airlines, and Lufthansa 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.

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?

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

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

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

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

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

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

Traveling to a place near San Francisco?

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Alternative routes for Otopeni Intl to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Otopeni Intl to San Francisco

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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 August 18, 2025.