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$426+ 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 3/16. Fares are subject to change and may not be available on all flights or dates of travel.
BUH — SFO
Mar 6 — Mar 131
Fri 3/6
Fri 3/13
1 adult, Economy
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Cheap 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 February 4, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/1. 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 8/59:35 am
OTP
-
SFO
2 stops24h 01m
Multiple Airlines
Sun 11/89:40 pm
SFO
-
OTP
1 stop17h 25m
Multiple Airlines
Deal found 2/1$709
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 8/59:35 am
OTP
-
SFO
2 stops24h 01m
Multiple Airlines
Mon 11/99:40 pm
SFO
-
OTP
1 stop17h 25m
Multiple Airlines
Deal found 2/1$711
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 8/79:30 am
OTP
-
SFO
2 stops24h 06m
Multiple Airlines
Sun 11/89:40 pm
SFO
-
OTP
1 stop17h 25m
Multiple Airlines
Deal found 2/1$764
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 8/59:35 am
OTP
-
SFO
2 stops24h 01m
Multiple Airlines
Fri 11/69:40 pm
SFO
-
OTP
1 stop17h 25m
Multiple Airlines
Deal found 2/1$765
This Mytrip deal was found by Cheapflights users on 2/3. 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.
Tue 3/35:45 pm
OTP
-
SFO
2 stops30h 45m
Multiple Airlines
Tue 3/101:00 pm
SFO
-
OTP
2 stops29h 15m
Multiple Airlines
Deal found 2/3$772
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 8/89:30 am
OTP
-
SFO
2 stops24h 22m
Multiple Airlines
Wed 11/49:40 pm
SFO
-
OTP
1 stop17h 25m
Multiple Airlines
Deal found 2/1$787
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 8/89:30 am
OTP
-
SFO
2 stops24h 22m
Multiple Airlines
Mon 11/99:40 pm
SFO
-
OTP
1 stop17h 25m
Multiple Airlines
Deal found 2/1$789
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 5/176:00 am
OTP
-
SFO
1 stop21h 55m
Multiple Airlines
Sun 5/247:40 pm
SFO
-
OTP
1 stop16h 20m
Multiple Airlines
Deal found 2/3$791
This Lufthansa deal was found by Cheapflights users on 2/2. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/165:55 am
OTP
-
SFO
1 stop20h 00m
Multiple Airlines
Mon 4/67:35 pm
SFO
-
OTP
1 stop19h 30m
Multiple Airlines
Deal found 2/2$810
This United Airlines deal was found by Cheapflights users on 2/2. 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.
Tue 3/175:55 am
OTP
-
SFO
1 stop16h 45m
United Airlines
Tue 4/712:45 pm
SFO
-
OTP
2 stops26h 25m
United Airlines
Deal found 2/2$813
This United Airlines deal was found by Cheapflights users on 2/2. 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.
Thu 2/195:50 am
OTP
-
SFO
1 stop16h 50m
United Airlines
Wed 3/42:40 pm
SFO
-
OTP
1 stop23h 15m
United Airlines
Deal found 2/2$814
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 8/79:30 am
OTP
-
SFO
2 stops24h 06m
Multiple Airlines
Fri 11/69:40 pm
SFO
-
OTP
1 stop17h 25m
Multiple Airlines
Deal found 2/1$819

Find 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 February 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$772
(Mytrip)

One-way from

$426
(Kiwi.com)

Popular in

July

Cheapest in

April

Average price

$949
Provider with most accurate pricing for Bucharest (BUH)-San Francisco flight deals.
Search Deals
Provider most trusted by Cheapflights users for Bucharest (BUH)-San Francisco flights.
Search Deals
From Bucharest (BUH) to San Francisco
Search Deals
One-way flight from Bucharest (BUH) to San Francisco
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($52 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 February 2026
Search Deals

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 February 4, 2026.
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

Mon 2/16

1:55 pm-11:50 am

1 stop31h 55m

San Francisco

Mon 3/2

3:40 pm-8:10 pm

1 stop18h 30m

$826

BucharestSan Francisco

OTP - SFO

OTPSFO

Bucharest Otopeni Intl

Tue 3/3

6:00 am-11:50 am

1 stop15h 50m

San Francisco

Tue 3/10

2:25 pm-10:50 pm

2 stops23h 25m

$827

BucharestSan Francisco

OTP - SFO

OTPSFO

Bucharest Otopeni Intl

Mon 4/27

2:00 pm-11:45 am

1 stop31h 45m

San Francisco

Sun 5/10

3:05 pm-11:25 pm

1 stop22h 20m

$827

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

$827

BucharestSan Francisco

OTP - SFO

OTPSFO

Bucharest Otopeni Intl

Tue 3/3

6:00 am-11:50 am

1 stop15h 50m

San Francisco

Tue 3/10

4:40 pm-10:40 pm

1 stop21h 00m

$827

BucharestSan Francisco

OTP - SFO

OTPSFO

Bucharest Otopeni Intl

Thu 2/19

6:00 am-11:50 am

1 stop15h 50m

San Francisco

Wed 3/4

7:00 am-12:05 pm

2 stops19h 05m

$827

BucharestSan Francisco

OTP - SFO

OTPSFO

Bucharest Otopeni Intl

Thu 3/5

1:55 pm-11:50 am

1 stop31h 55m

San Francisco

Thu 3/12

4:40 pm-10:50 pm

1 stop21h 10m

$828

BucharestSan Francisco

OTP - SFO

OTPSFO

Bucharest Otopeni Intl

Mon 4/27

7:05 am-11:45 am

1 stop14h 40m

San Francisco

Sun 5/10

6:05 am-5:20 pm

2 stops25h 15m

$831

BucharestSan Francisco

OTP - SFO

OTPSFO

Bucharest Otopeni Intl

Mon 2/16

6:00 pm-11:50 am

1 stop27h 50m

San Francisco

Mon 3/2

11:02 am-3:25 pm

2 stops18h 23m

$832

BucharestSan Francisco

OTP - SFO

OTPSFO

Bucharest Otopeni Intl

Sat 3/21

3:30 pm-5:45 pm

1 stop35h 15m

San Francisco

Sat 3/28

6:45 pm-2:35 pm

1 stop33h 50m

$841

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

Showing 1-10 of 16 results
1
2
  • Most accurate provider: When it comes to deals on Bucharest-San Francisco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Bucharest-San Francisco flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Bucharest-San Francisco flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Bucharest-San Francisco flights, Cheapflights users trust FlightHub the most. FlightHub 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-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 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 January 30, 2026.

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, August is the cheapest month in which you can book a flight from Bucharest to San Francisco (average of $444). Flying from Bucharest 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.

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 February 4, 2026.
Get a feel of what it's like to fly with 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.
Turkish Airlines
7.3
Good
4,210 reviews

Food

7.4

Overall

7.3

Boarding

7.3

Entertainment

7.5

Comfort

7.3

Crew

7.8

Reviews

1 / 20
8.0
Excellent

Muhammad,Jan 2026

ORD - DFW

Great, customer service agent at O’hare was able to change the flight due to snow storm. Thank you
Turkish Airlines
7.3
Good
4,210 reviews
Turkish Airlines
7.3
Good
4,210 reviews

Food

7.4

Overall

7.3

Boarding

7.3

Entertainment

7.5

Comfort

7.3

Crew

7.8

Reviews

1 / 20
8.0
Excellent

Muhammad,Jan 2026

ORD - DFW

Great, customer service agent at O’hare was able to change the flight due to snow storm. Thank you
Lufthansa
6.8
Okay
7,759 reviews
Turkish Airlines
7.3
Good
4,210 reviews

Food

7.4

Overall

7.3

Boarding

7.3

Entertainment

7.5

Comfort

7.3

Crew

7.8

Reviews

1 / 20
8.0
Excellent

Muhammad,Jan 2026

ORD - DFW

Great, customer service agent at O’hare was able to change the flight due to snow storm. Thank you

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 4 different airlines.

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

    For as low as $827, United Airlines can have you in San Francisco from Bucharest in 15h 50m. Bucharest and San Francisco are separated by a distance of 6422 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    SWISS, at $827, was found to be the cheapest airline from Bucharest to San Francisco.Alternate airlines to your destination round-trip include KLM and Lufthansa. These flights start at 13% 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, August is the cheapest month in which you can book a flight from Bucharest to San Francisco (average of $444). Flying from Bucharest 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
Santa Clara
Roseville
Livermore
Watsonville
San Bruno
Daly City
Sunnyvale
Turlock
Vacaville
San Carlos
San Ramon
San Lorenzo
Davis
Hollister
Redwood City
Manteca
Union City
Elk Grove

Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from Bucharest to San Francisco

Discover the top 4 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 February 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$827Average$990FlexibilityNo cancel feeOn-time79%
KLMCheapest$872Average$1,035FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$913Average$996FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$925Average$1,131FlexibilityNo cancel feeOn-time77%

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