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$381+ Cheap flights from Bucharest (BUH) 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.
BUH — SFO
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheapflights Tip: The best prices from Bucharest to San Francisco are usually found in January or April, booked 68 days in advance, depart on a Tuesday or Friday and return on a Monday

Cheap flight deals from Bucharest to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Bucharest (BUH) 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 16, 2025.

Round-trip from

$571
(oojo)

One-way from

$381
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$844
From Bucharest (BUH) to San Francisco
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One-way flight from Bucharest (BUH) to San Francisco
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Highest demand for flights based on searches. 9% potential increase in price ($99 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($20 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 Bucharest to San Francisco

Cheapest flights from Bucharest to San Francisco
Explore the most affordable flight options available from Bucharest to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This oojo 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 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 9/14$571
This Gotogate 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 Gotogate 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 9/14$577
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 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 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
Tue 10/712:35 pmSFO - OTP
2 stops21h 25mScandinavian 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
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/259:30 amOTP - SFO
1 stop24h 14mMultiple Airlines
Wed 11/124:35 pmSFO - OTP
2 stops22h 10mMultiple Airlines
Deal found 9/16$695

Cheapflights Fare Finder

 
Customize your flight search to find flights from Bucharest 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 16, 2025.
Use the filters below to find and compare flights from Bucharest to San Francisco that are best for you.

Fly from

Bucharest

Fly to

San Francisco

Route

Depart

Return

Price

BucharestSan Francisco

OTP - SFO

OTPSFO

Bucharest Otopeni Intl

Wed 9/24

8:35 pm-4:30 pm

1 stop29h 55m

San Francisco

Sun 10/5

7:40 pm-9:10 pm

1 stop15h 30m

$652

BucharestSan Francisco

OTP - SFO

OTPSFO

Bucharest Otopeni Intl

Sun 9/21

9:25 pm-4:30 pm

1 stop29h 05m

San Francisco

Sun 10/5

7:40 pm-9:10 pm

1 stop15h 30m

$652

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

Mon 9/22

9:50 pm-4:30 pm

1 stop28h 40m

San Francisco

Fri 10/3

5:55 am-8:35 pm

2 stops28h 40m

$711

BucharestSan Francisco

OTP - SFO

OTPSFO

Bucharest Otopeni Intl

Fri 9/19

9:50 pm-4:30 pm

1 stop28h 40m

San Francisco

Fri 10/3

12:40 pm-8:35 pm

2 stops21h 55m

$711

BucharestSan Francisco

OTP - SFO

OTPSFO

Bucharest Otopeni Intl

Mon 9/22

9:50 pm-7:48 pm

2 stops31h 58m

San Francisco

Sun 10/5

6:00 am-9:10 pm

2 stops29h 10m

$764

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

$772

BucharestSan Francisco

OTP - SFO

OTPSFO

Bucharest Otopeni Intl

Mon 10/20

9:50 pm-11:41 pm

2 stops35h 51m

San Francisco

Fri 11/14

4:40 pm-12:30 am

2 stops21h 50m

$772

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

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 15 results
1
2

Best time to book a flight from Bucharest to San Francisco

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

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

Use this chart to determine the optimal time to book a round-trip flight from Bucharest to San Francisco. Price data was last updated on September 12, 2025.

The price you pay for your flight from Bucharest to San Francisco may vary depending on when you book. For the best chance of a lower fare, look to book 68 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 Bucharest to San Francisco?

Currently, January is the cheapest month in which you can book a flight from Bucharest to San Francisco (average of $276). Flying from Bucharest 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 BUH to SFO?

Find hourly flight availability from Bucharest 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 16, 2025.

A simple way to save on the total cost of your ticket is to fly from Bucharest to San Francisco in the afternoon. If you’re flexible enough to do this you can expect to save up to 14% on your trip compared to booking a flight at noon.

How much does it cost to fly round-trip from Bucharest to San Francisco?

What’s the top layover airport for flights from Bucharest to San Francisco?

Share of 1-stop round-trip flights from Bucharest to San Francisco chosen by Cheapflights users in the past 12 months, using the same layover each way.

Istanbul (IST) – chosen by Cheapflights users on 75% of 1-stop itineraries from Bucharest to San Francisco on Cheapflights.

What’s the cheapest layover airport for flights from Bucharest to San Francisco?

Average round-trip fare for 1-stop flights from Bucharest to San Francisco, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Frankfurt am Main (FRA) is the most affordable 1-stop option, with an average round-trip price of $1,032.

What’s the fastest layover option from Bucharest to San Francisco?

Shortest average travel time for 1-stop one-way flights from Bucharest to San Francisco, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Frankfurt am Main (FRA) have the shortest average one-way travel time for 1-stop routes: 15h 20m.

Which airport typically offers the quickest layover for flights from Bucharest to San Francisco?

Average layover duration for 1-stop one-way flights from Bucharest to San Francisco, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Istanbul (IST) offer the fastest connection on this route, with an average layover time of 1h 08m.

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 16, 2025.
Get a feel of what it's like to fly with United Airlines, Turkish Airlines, and Lufthansa 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.
United Airlines
7.4
Good
8,924 reviews

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

Food

6.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
United Airlines
7.4
Good
8,924 reviews
United Airlines
7.4
Good
8,924 reviews

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

Food

6.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
Turkish Airlines
7.3
Good
3,968 reviews
United Airlines
7.4
Good
8,924 reviews

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

Food

6.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
Lufthansa
6.8
Okay
7,407 reviews
United Airlines
7.4
Good
8,924 reviews

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

Food

6.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
British Airways
6.7
Okay
7,363 reviews
United Airlines
7.4
Good
8,924 reviews

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

Food

6.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Related info for your journey

Find useful and relevant information for your journey from Bucharest 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?

    If you book a flight to San Francisco from Bucharest, you will be flying to San Francisco, which is the city’s only airport. San Francisco (SFO) is located 11.8 mi from the center of San Francisco. There are 0 flights from Bucharest to San Francisco per day from 5 different airlines.

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

    For as low as $652, Scandinavian Airlines can have you in San Francisco from Bucharest in 29h 55m. Bucharest and San Francisco are separated by a distance of 6422 mi.

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

    British Airways, at $705, was found to be the cheapest airline from Bucharest to San Francisco.Alternate airlines to your destination round-trip include Lufthansa and KLM. These flights start at 22% lower than the current average price 3 months from now.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Bucharest to San Francisco (average of $276). Flying from Bucharest 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
South San Francisco
Turlock
Antioch
Watsonville
Santa Clara
Manteca
Sunnyvale
Hollister
Vacaville
Foster City
Union City
Vallejo
Burlingame
Redwood City
San Mateo
San Leandro
Lathrop

Browse thousands of different options on Cheapflights for your next trip

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Top 5 airlines flying from Bucharest to San Francisco

Discover the top 5 airlines that operate flights from Bucharest 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 16, 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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