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$234+ Cheap flights from San Francisco (SFO) to Bucharest (BUH)

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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BUH
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
1 adult, Economy
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Cheap flight deals from San Francisco to Bucharest

Cheapest flights from San Francisco to Bucharest
Explore the most affordable flight options available from San Francisco to Bucharest. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.

This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/57:35 pm
SFO
-
OTP
1 stop19h 30m
SWISS
Wed 8/196:20 am
OTP
-
SFO
1 stop19h 55m
SWISS
Deal found 2/2$517
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/104:35 pm
SFO
-
OTP
1 stop36h 50m
British Airways
Wed 8/194:15 pm
OTP
-
SFO
1 stop31h 35m
British Airways
Deal found 2/1$527
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.
Mon 11/98:25 am
SFO
-
OTP
2 stops24h 10m
Multiple Airlines
Mon 11/167:20 pm
OTP
-
SFO
1 stop34h 15m
Multiple Airlines
Deal found 2/3$528
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/69:05 pm
SFO
-
OTP
1 stop18h 05m
Multiple Airlines
Wed 5/206:05 am
OTP
-
SFO
2 stops24h 57m
Multiple Airlines
Deal found 2/1$529
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.
Mon 11/97:25 pm
SFO
-
OTP
1 stop19h 05m
SWISS
Mon 11/164:40 pm
OTP
-
SFO
1 stop33h 50m
SWISS
Deal found 2/3$530
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/910:25 am
SFO
-
OTP
2 stops19h 05m
British Airways
Mon 11/164:00 pm
OTP
-
SFO
2 stops38h 37m
British Airways
Deal found 2/3$534
This CrystalTravel 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/69:05 pm
SFO
-
OTP
1 stop18h 05m
Lufthansa
Wed 5/206:05 am
OTP
-
SFO
1 stop16h 35m
Lufthansa
Deal found 2/1$535
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/107:35 pm
SFO
-
OTP
1 stop33h 45m
SWISS
Wed 8/196:20 am
OTP
-
SFO
1 stop19h 55m
SWISS
Deal found 2/2$537
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.
Mon 8/109:05 pm
SFO
-
OTP
1 stop18h 05m
United Airlines
Wed 8/196:05 am
OTP
-
SFO
2 stops48h 46m
United Airlines
Deal found 2/2$538
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.
Wed 8/56:00 am
SFO
-
OTP
2 stops26h 35m
United Airlines
Wed 8/191:45 pm
OTP
-
SFO
2 stops41h 06m
United Airlines
Deal found 2/2$542
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.
Tue 3/2410:40 pm
SFO
-
OTP
1 stop17h 25m
Lufthansa
Tue 4/76:05 am
OTP
-
SFO
1 stop16h 35m
Lufthansa
Deal found 2/1$548

Find flight deals from San Francisco to Bucharest

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Bucharest (BUH). 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 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$529
(Mytrip)

One-way from

$234
(American Airlines)

Popular in

December

Cheapest in

January

Average price

$669
Provider with most accurate pricing for San Francisco-Bucharest (BUH) flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Bucharest (BUH) flights.
Search Deals
From San Francisco to Bucharest (BUH)
Search Deals
One-way flight from San Francisco to Bucharest (BUH)
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($66 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($49 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 San Francisco to Bucharest 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 3, 2026.
Use the filters below to find and compare flights from San Francisco to Bucharest that are best for you.

Fly from

San Francisco

Fly to

Bucharest

Route

Depart

Return

Price

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Sun 5/10

9:05 pm-1:10 am

1 stop18h 05m

Bucharest Otopeni Intl

Thu 5/28

6:05 am-9:31 pm

2 stops25h 26m

$551

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Mon 5/4

8:10 pm-3:50 pm

1 stop33h 40m

Bucharest Otopeni Intl

Mon 5/18

8:35 am-11:45 am

1 stop37h 10m

$551

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Sun 5/10

9:05 pm-1:10 am

1 stop18h 05m

Bucharest Otopeni Intl

Wed 5/27

6:05 am-3:15 pm

1 stop19h 10m

$551

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Mon 5/4

9:05 pm-1:10 am

1 stop18h 05m

Bucharest Otopeni Intl

Thu 5/28

6:05 am-3:15 pm

1 stop19h 10m

$551

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Tue 5/5

9:05 pm-1:10 am

1 stop18h 05m

Bucharest Otopeni Intl

Thu 5/28

6:05 am-7:29 pm

2 stops23h 24m

$551

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Wed 5/6

9:05 pm-1:10 am

1 stop18h 05m

Bucharest Otopeni Intl

Thu 5/28

6:05 am-9:31 pm

2 stops25h 26m

$551

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Mon 5/4

8:23 am-6:35 pm

2 stops24h 12m

Bucharest Otopeni Intl

Wed 5/27

6:05 am-9:02 pm

2 stops24h 57m

$555

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Tue 3/3

7:25 pm-12:30 am

1 stop19h 05m

Bucharest Otopeni Intl

Tue 3/10

5:55 am-1:40 pm

1 stop16h 45m

$555

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Tue 5/5

1:50 pm-1:10 am

2 stops25h 20m

Bucharest Otopeni Intl

Wed 5/27

6:05 am-12:40 pm

1 stop16h 35m

$556

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Tue 5/5

1:50 pm-1:10 am

2 stops25h 20m

Bucharest Otopeni Intl

Fri 5/29

6:05 am-12:40 pm

1 stop16h 35m

$556

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/1

Showing 1-10 of 20 results
1
2

Compare providers for flights from San Francisco to Bucharest

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 San Francisco to Bucharest in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 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 San Francisco-Bucharest flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-Bucharest flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-Bucharest flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Francisco-Bucharest 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 San Francisco-Bucharest 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 San Francisco to Bucharest

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

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

Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Bucharest. Price data was last updated on January 30, 2026.

The best time to book flights from San Francisco to Bucharest is 55 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, March is the cheapest month in which you can book a flight from San Francisco to Bucharest (average of $506). Flying from San Francisco to Bucharest in June is currently the most expensive (average of $718). 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 San Francisco to Bucharest?

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

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

Istanbul (IST) – chosen by Cheapflights users on 50% of 1-stop itineraries from San Francisco to Bucharest on Cheapflights.

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

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

Istanbul (IST) is the most affordable 1-stop option, with an average round-trip price of $691.

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

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

Flights via Zurich (ZRH) have the shortest average one-way travel time for 1-stop routes: 15h 00m.

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

Average layover duration for 1-stop one-way flights from San Francisco to Bucharest, 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 48m.

Reviews of airlines servicing Bucharest

Get insights into the airlines that provide service to Bucharest. 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 Bucharest. Reviews last updated February 3, 2026.
Read reviews from past customers who have flown KLM, United Airlines, and Turkish Airlines from San Francisco to Bucharest. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,448 reviews

Food

7.3

Comfort

7.6

Crew

8.4

Boarding

7.8

Overall

7.7

Entertainment

7.1

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
1,448 reviews
KLM
7.7
Good
1,448 reviews

Food

7.3

Comfort

7.6

Crew

8.4

Boarding

7.8

Overall

7.7

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
United Airlines
7.4
Good
9,236 reviews
KLM
7.7
Good
1,448 reviews

Food

7.3

Comfort

7.6

Crew

8.4

Boarding

7.8

Overall

7.7

Entertainment

7.1

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
4,210 reviews
KLM
7.7
Good
1,448 reviews

Food

7.3

Comfort

7.6

Crew

8.4

Boarding

7.8

Overall

7.7

Entertainment

7.1

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
7,759 reviews
KLM
7.7
Good
1,448 reviews

Food

7.3

Comfort

7.6

Crew

8.4

Boarding

7.8

Overall

7.7

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
British Airways
6.7
Okay
7,712 reviews
KLM
7.7
Good
1,448 reviews

Food

7.3

Comfort

7.6

Crew

8.4

Boarding

7.8

Overall

7.7

Entertainment

7.1

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 San Francisco to Bucharest. 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 from for flights from San Francisco to Bucharest?

    For a flight from San Francisco to Bucharest, you will be flying from San Francisco. San Francisco (SFO) is just 11.8 mi from the center of the city. San Francisco is the only San Francisco airport and it handles 0 outbound flights to Bucharest per day. 6 airlines have flights to Bucharest from San Francisco on a regular basis.

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

    A quick flight from San Francisco to Bucharest can take about 18h 05m. United Airlines provides one of the quickest options available for as low as $551. The distance between San Francisco and Bucharest is about 6422 mi.

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

    Flying on British Airways is currently your cheapest option to Bucharest, with prices starting at $538. Additional round-trip tickets that might be worth considering are offered by SWISS and Turkish Airlines, with the lowest prices starting at $560 and $592, respectively. You may be able to fly from San Francisco to Bucharest for 36% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from San Francisco to Bucharest one-way?

    One-way options have recently been found by users for as low as $421 on Turkish Airlines. Other airlines that offer cheap prices include Lufthansa from $437 and KLM from $507 one-way.

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

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

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

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

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

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

    Currently, March is the cheapest month in which you can book a flight from San Francisco to Bucharest (average of $506). Flying from San Francisco to Bucharest in June is currently the most expensive (average of $718). 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 Bucharest?

Book flights to Bucharest if you plan to visit one of these locations
Otopeni

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Top 6 airlines flying from San Francisco to Bucharest

Discover the top 6 airlines that operate flights from San Francisco to Bucharest. 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 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$538Average$876FlexibilityNo cancel feeOn-time70%
SWISSCheapest$560Average$860FlexibilityNo cancel feeOn-time79%
Turkish AirlinesCheapest$592Average$689FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$620Average$1,028FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$660Average$1,130FlexibilityNo cancel feeOn-time69%
KLMCheapest$661Average$856FlexibilityNo cancel feeOn-time75%

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