$257+ 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from San Francisco to Bucharest with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from San Francisco to Bucharest are usually found in January or February, 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 September 16, 2025.
Round-trip from | $603 (Cheapflightsfares) |
|---|---|
One-way from | $257 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $701 |
Find flight deals from San Francisco to Bucharest
Cheapest flights from San Francisco to BucharestExplore 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 September 16, 2025.
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 September 16, 2025.
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Lufthansa 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Air Canada deal was found by Cheapflights users on 9/13. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cheapflights Fare Finder
Use the filters below to find and compare flights from San Francisco to Bucharest that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
San FranciscoBucharest
SFO - OTP
SFOOTP
San Francisco
Mon 11/3
9:40 pm-1:05 am
1 stop17h 25m
Bucharest Otopeni Intl
Sat 11/15
5:55 am-5:25 pm
2 stops21h 30m
San FranciscoBucharest
SFO - OTP
SFOOTP
San Francisco
Wed 11/12
9:40 pm-1:05 am
1 stop17h 25m
Bucharest Otopeni Intl
Sun 11/16
5:55 am-12:40 pm
1 stop16h 45m
San FranciscoBucharest
SFO - OTP
SFOOTP
San Francisco
Mon 11/10
12:50 pm-6:35 pm
2 stops19h 45m
Bucharest Otopeni Intl
Sun 11/16
2:50 pm-8:10 pm
1 stop15h 20m
San FranciscoBucharest
SFO - OTP
SFOOTP
San Francisco
Sun 3/15
8:25 pm-3:50 pm
1 stop34h 25m
Bucharest Otopeni Intl
Sun 3/29
4:10 pm-4:10 pm
1 stop34h 00m
San FranciscoBucharest
SFO - OTP
SFOOTP
San Francisco
Tue 12/2
12:25 pm-10:50 pm
2 stops24h 25m
Bucharest Otopeni Intl
Fri 12/19
6:05 am-10:29 pm
2 stops26h 24m
San FranciscoBucharest
SFO - OTP
SFOOTP
San Francisco
Mon 10/13
6:45 pm-8:10 am
1 stop27h 25m
Bucharest Otopeni Intl
Mon 10/20
9:30 am-4:40 pm
1 stop17h 10m
San FranciscoBucharest
SFO - OTP
SFOOTP
San Francisco
Thu 2/12
1:40 pm-11:50 pm
1 stop24h 10m
Bucharest Otopeni Intl
Thu 2/26
5:50 am-9:22 pm
2 stops25h 32m
San FranciscoBucharest
SFO - OTP
SFOOTP
San Francisco
Thu 12/4
11:59 pm-2:10 pm
2 stops28h 11m
Bucharest Otopeni Intl
Wed 12/17
6:05 am-3:55 pm
1 stop19h 50m
San FranciscoBucharest
SFO - OTP
SFOOTP
San Francisco
Wed 11/12
8:30 am-2:00 pm
2 stops19h 30m
Bucharest Otopeni Intl
Sun 11/16
5:55 am-12:40 pm
1 stop16h 45m
San FranciscoBucharest
SFO - OTP
SFOOTP
San Francisco
Mon 10/6
11:45 pm-4:50 pm
2 stops31h 05m
Bucharest Otopeni Intl
Fri 10/17
6:00 am-11:08 pm
2 stops27h 08m
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.
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 September 12, 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 $1,132). 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 September 16, 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.
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 September 16, 2025.
Read reviews from past customers who have flown Delta, KLM, and United 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.
Entertainment
Crew
Boarding
Food
Comfort
Overall
Reviews
Aaron,Oct 2024
LAX - LHR
Entertainment
Crew
Boarding
Food
Comfort
Overall
Reviews
Aaron,Oct 2024
LAX - LHR
Entertainment
Crew
Boarding
Food
Comfort
Overall
Reviews
Aaron,Oct 2024
LAX - LHR
Entertainment
Crew
Boarding
Food
Comfort
Overall
Reviews
Aaron,Oct 2024
LAX - LHR
Entertainment
Crew
Boarding
Food
Comfort
Overall
Reviews
Aaron,Oct 2024
LAX - LHR
Entertainment
Crew
Boarding
Food
Comfort
Overall
Reviews
Aaron,Oct 2024
LAX - LHR
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.
Traveling to a place near Bucharest?
Book flights to Bucharest if you plan to visit one of these locationsBrowse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes for San Francisco to Bucharest
See prices for flight routes from nearby airports that may be better suited for you.
Top 7 airlines flying from San Francisco to Bucharest
Discover the top 7 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 September 16, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$519 | Average$649 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$560 | Average$1,069 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$575 | Average$840 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$597 | Average$709 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$636 | Average$1,141 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$675 | Average$1,184 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$696 | Average$1,077 | FlexibilityNo cancel fee | On-time75% |