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$286+ 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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BUH
Aug 7 — Aug 141
Thu 8/7
Thu 8/14
1 adult, Economy
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Cheapflights Tip: The best prices from San Francisco to Bucharest are usually found in September or November, booked 46 days in advance, depart on a Monday or Friday and return on a Tuesday

Cheap 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 August 2, 2025.

Round-trip from

$653
(CrystalTravel)

One-way from

$286
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$754
From San Francisco to Bucharest (BUH)
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One-way flight from San Francisco to Bucharest (BUH)
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Highest demand for flights based on searches. 24% potential increase in price ($264 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($43 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 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 August 2, 2025.

This CrystalTravel deal was found by Cheapflights users on 7/31. 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.
Tue 8/196:45 pmSFO - OTP
1 stop27h 20mTurkish Airlines
Sat 8/309:55 pmOTP - SFO
1 stop22h 40mTurkish Airlines
Deal found 7/31$653
This Cheapflightsfares deal was found by Cheapflights users on 8/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/299:40 pmSFO - OTP
1 stop17h 25mLufthansa
Mon 1/125:55 amOTP - SFO
1 stop16h 45mLufthansa
Deal found 8/1$658
This Cheapflightsfares deal was found by Cheapflights users on 8/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/299:40 pmSFO - OTP
2 stops16h 10mAustrian Airlines
Mon 1/127:10 pmOTP - SFO
2 stops27h 30mAustrian Airlines
Deal found 8/1$660
This Scandinavian Airlines deal was found by Cheapflights users on 8/1. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/125:55 amSFO - OTP
2 stops28h 40mScandinavian Airlines
Wed 9/248:35 pmOTP - SFO
1 stop29h 55mScandinavian Airlines
Deal found 8/1$662
This Gotogate deal was found by Cheapflights users on 7/31. 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.
Tue 8/1911:35 amSFO - OTP
2 stops21h 00mMultiple Airlines
Mon 8/254:10 pmOTP - SFO
1 stop34h 00mMultiple Airlines
Deal found 7/31$665
This Ovago deal was found by Cheapflights users on 8/1. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/298:40 pmSFO - OTP
1 stop32h 15mBritish Airways
Sat 12/134:00 pmOTP - SFO
1 stop33h 00mBritish Airways
Deal found 8/1$669
This oojo deal was found by Cheapflights users on 7/31. 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.
Sat 8/97:30 pmSFO - OTP
1 stop19h 35mSWISS
Sun 8/244:10 pmOTP - SFO
1 stop34h 00mSWISS
Deal found 7/31$677
This United Airlines deal was found by Cheapflights users on 8/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/298:25 amSFO - OTP
2 stops19h 50mUnited Airlines
Sat 12/135:55 amOTP - SFO
2 stops25h 27mUnited Airlines
Deal found 8/1$681
This Delta deal was found by Cheapflights users on 7/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/127:00 amSFO - OTP
2 stops19h 05mDelta
Sun 11/161:05 pmOTP - SFO
1 stop34h 30mDelta
Deal found 7/31$710

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 August 2, 2025.
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

Tue 8/19

6:45 pm-8:05 am

1 stop27h 20m

Bucharest Otopeni Intl

Sat 8/30

9:55 pm-10:35 am

1 stop22h 40m

$653

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Mon 12/29

9:40 pm-1:05 am

1 stop17h 25m

Bucharest Otopeni Intl

Mon 1/12

5:55 am-12:40 pm

1 stop16h 45m

$658

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Mon 12/29

9:40 pm-11:50 pm

2 stops16h 10m

Bucharest Otopeni Intl

Mon 1/12

7:10 pm-12:40 pm

2 stops27h 30m

$660

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Fri 9/12

5:55 am-8:35 pm

2 stops28h 40m

Bucharest Otopeni Intl

Wed 9/24

8:35 pm-4:30 pm

1 stop29h 55m

$662

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Tue 8/19

11:35 am-6:35 pm

2 stops21h 00m

Bucharest Otopeni Intl

Mon 8/25

4:10 pm-4:10 pm

1 stop34h 00m

$665

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Sat 11/29

8:40 pm-2:55 pm

1 stop32h 15m

Bucharest Otopeni Intl

Sat 12/13

4:00 pm-3:00 pm

1 stop33h 00m

$669

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Sat 11/29

8:25 am-2:15 pm

2 stops19h 50m

Bucharest Otopeni Intl

Sat 12/13

5:55 am-9:22 pm

2 stops25h 27m

$681

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Wed 11/12

7:00 am-12:05 pm

2 stops19h 05m

Bucharest Otopeni Intl

Sun 11/16

1:05 pm-1:35 pm

1 stop34h 30m

$710

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Sat 9/6

2:22 pm-2:55 am

2 stops50h 33m

$286

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Wed 8/20

12:40 pm-8:20 pm

1 stop21h 40m

$446

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/1

Showing 1-10 of 13 results
1
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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 July 25, 2025.

The best time to book flights from San Francisco to Bucharest is 46 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, November is the cheapest month in which you can book a flight from San Francisco to Bucharest (average of $604). Flying from San Francisco to Bucharest in June is currently the most expensive (average of $1,137). 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 SFO to BUH?

Find hourly flight availability from San Francisco to Bucharest. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 2, 2025.

A simple way to save on the total cost of your ticket is to fly from San Francisco to Bucharest in the afternoon. If you’re flexible enough to do this you can expect to save up to 32% on your trip compared to booking a flight in the evening.

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

Use this chart to determine the cheapest time to fly round-trip from San Francisco to Bucharest. Price data was last updated on December 16, 2024.

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

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 67% 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 Istanbul (IST) have the shortest average one-way travel time for 1-stop routes: 15h 40m.

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 August 2, 2025.
Read reviews from past customers who have flown Delta, Austrian Airlines, and SWISS 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.
Delta
8.0
Very good
7,983 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,983 reviews
Delta
8.0
Very good
7,983 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Austrian Airlines
7.6
Good
823 reviews
Delta
8.0
Very good
7,983 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,686 reviews
Delta
8.0
Very good
7,983 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,904 reviews
Delta
8.0
Very good
7,983 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Turkish Airlines
7.3
Good
3,935 reviews
Delta
8.0
Very good
7,983 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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. 8 airlines have flights to Bucharest from San Francisco on a regular basis.

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

    Flying on Turkish Airlines is currently your cheapest option to Bucharest, with prices starting at $653. Additional round-trip tickets that might be worth considering are offered by Lufthansa and Austrian Airlines, with the lowest prices starting at $658 and $660, respectively. You may be able to fly from San Francisco to Bucharest for 20% 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 $446 on Turkish Airlines. Other airlines that offer cheap prices include Lufthansa from $452 and SWISS from $454 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, November is the cheapest month in which you can book a flight from San Francisco to Bucharest (average of $604). Flying from San Francisco to Bucharest in June is currently the most expensive (average of $1,137). 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 8 airlines flying from San Francisco to Bucharest

Discover the top 8 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 August 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$519Average$649FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$602Average$828FlexibilityNo cancel feeOn-time70%
Turkish AirlinesCheapest$624Average$717FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$636Average$1,113FlexibilityNo cancel feeOn-time69%
SWISSCheapest$662Average$1,131FlexibilityNo cancel feeOn-time79%
KLMCheapest$666Average$924FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$675Average$1,202FlexibilityNo cancel feeOn-time76%
DeltaCheapest$684Average$1,342FlexibilityNo cancel feeOn-timeN/A

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