HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Bucharest

$298+ Cheap flights from California 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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BUH
Aug 31 — Sep 71
Mon 8/31
Mon 9/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from California 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.

Cheap flight deals from California to Bucharest

Cheapest flights from California to Bucharest
Explore the most affordable flight options available from California to Bucharest. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 1, 2026.

This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/24:05 pm
SMF
-
OTP
2 stops40h 25m
Multiple Airlines
Thu 11/126:00 am
OTP
-
SMF
2 stops19h 21m
Multiple Airlines
Deal found 7/31$707
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:13 am
SNA
-
OTP
2 stops24h 22m
United Airlines
Wed 9/166:05 am
OTP
-
SNA
2 stops36h 56m
United Airlines
Deal found 7/31$751
This Delta deal was found by Cheapflights users on 7/27. 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.
Tue 8/256:20 am
ONT
-
OTP
2 stops21h 20m
Delta
Tue 10/207:05 am
OTP
-
ONT
2 stops20h 07m
Delta
Deal found 7/27$753
This United Airlines deal was found by Cheapflights users on 7/27. 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 8/241:18 pm
ONT
-
OTP
2 stops19h 17m
United Airlines
Wed 10/211:45 pm
OTP
-
ONT
2 stops19h 06m
United Airlines
Deal found 7/27$756
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/59:05 pm
SNA
-
OTP
2 stops35h 30m
United Airlines
Thu 9/171:45 pm
OTP
-
SNA
3 stops29h 22m
United Airlines
Deal found 7/31$756
This United Airlines deal was found by Cheapflights users on 7/30. 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 8/318:21 pm
LAX
-
OTP
2 stops36h 14m
United Airlines
Mon 9/146:55 pm
OTP
-
LAX
1 stop28h 10m
United Airlines
Deal found 7/30$761
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.
Mon 9/148:15 am
LAX
-
OTP
2 stops18h 50m
Multiple Airlines
Mon 9/286:55 pm
OTP
-
LAX
2 stops28h 15m
Multiple Airlines
Deal found 7/31$762
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:13 am
SNA
-
OTP
2 stops24h 22m
United Airlines
Tue 9/1512:45 pm
OTP
-
SNA
2 stops41h 59m
United Airlines
Deal found 7/31$762
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.
Wed 9/25:00 am
ONT
-
OTP
2 stops32h 50m
United Airlines
Wed 9/166:05 am
OTP
-
ONT
2 stops23h 56m
United Airlines
Deal found 8/1$763
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/112:49 pm
LAX
-
OTP
2 stops24h 41m
United Airlines
Thu 9/176:05 am
OTP
-
LAX
2 stops21h 32m
United Airlines
Deal found 7/31$763
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:45 am
SNA
-
OTP
3 stops31h 05m
United Airlines
Fri 9/186:05 am
OTP
-
SNA
2 stops24h 07m
United Airlines
Deal found 7/31$763
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/110:47 am
LAX
-
OTP
2 stops26h 43m
United Airlines
Tue 9/1512:45 pm
OTP
-
LAX
1 stop36h 30m
United Airlines
Deal found 7/31$764

Find flight deals from California to Bucharest

Keep the following information in mind while searching for California to Bucharest flight deals. Data was last updated August 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$707
(Expedia)

One-way from

$298
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$800
Provider with most accurate pricing for Los Angeles Los Angeles-Bucharest (BUH) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles Los Angeles-Bucharest (BUH) flights.
Search Deals
From California to Bucharest (BUH)
Search Deals
One-way flight from California to Bucharest (BUH)
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($211 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from California 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 1, 2026.
Use the filters below to find and compare flights from California to Bucharest that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioBucharest

ONT - OTP

ONTOTP

Ontario

Tue 8/25

1:18 pm-6:35 pm

2 stops19h 17m

Bucharest Otopeni Intl

Fri 10/23

1:45 pm-10:51 pm

2 stops19h 06m

$756

Santa AnaBucharest

SNA - OTP

SNAOTP

Santa Ana J. Wayne/Orange Cnty

Tue 9/1

8:13 am-6:35 pm

2 stops24h 22m

Bucharest Otopeni Intl

Tue 9/15

12:45 pm-8:44 pm

2 stops41h 59m

$762

OntarioBucharest

ONT - OTP

ONTOTP

Ontario

Wed 8/26

7:00 am-12:50 pm

2 stops19h 50m

Bucharest Otopeni Intl

Fri 10/23

1:45 pm-10:51 pm

2 stops19h 06m

$767

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles Los Angeles

Tue 9/15

8:10 pm-2:35 pm

1 stop32h 25m

Bucharest Otopeni Intl

Tue 10/20

9:30 am-6:15 pm

1 stop18h 45m

$769

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles Los Angeles

Sun 9/20

6:10 am-12:45 pm

2 stops20h 35m

Bucharest Otopeni Intl

Tue 10/6

7:05 am-2:45 pm

1 stop17h 40m

$769

OntarioBucharest

ONT - OTP

ONTOTP

Ontario

Sun 11/1

6:20 am-5:00 pm

2 stops24h 40m

Bucharest Otopeni Intl

Sat 11/14

6:00 am-5:13 pm

2 stops21h 13m

$773

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles Los Angeles

Mon 9/14

6:45 pm-11:50 pm

2 stops19h 05m

Bucharest Otopeni Intl

Mon 9/28

1:50 pm-10:55 pm

2 stops43h 05m

$774

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles Los Angeles

Tue 9/15

6:10 am-12:45 pm

2 stops20h 35m

Bucharest Otopeni Intl

Tue 10/20

7:05 am-5:10 pm

2 stops20h 05m

$778

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles Los Angeles

Tue 9/22

6:10 am-12:45 pm

2 stops20h 35m

Bucharest Otopeni Intl

Wed 10/28

6:00 am-6:23 pm

2 stops21h 23m

$779

OntarioBucharest

ONT - OTP

ONTOTP

Ontario

Mon 9/28

1:24 pm-6:35 pm

2 stops19h 11m

Bucharest Otopeni Intl

Wed 10/7

1:45 pm-10:51 pm

2 stops19h 06m

$781

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from California to Bucharest

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

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

Currently, January is the cheapest month in which you can book a flight from California to Bucharest (average of $632). Flying from California to Bucharest in June is currently the most expensive (average of $1,105). 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 California to Bucharest?

Airfare is typical for this route at the moment.
California to Bucharest flights typically cost between $712 and $895 in August.
The cheapest round-trip price found within the last 5 days was $761 on United Airlines (Aug 31-Sep 14).

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

The best time to book flights from California to Bucharest is 77 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.

Related info for your journey

Find useful and relevant information for your journey from California to Bucharest. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from California to Bucharest?

    A quick flight from California to Bucharest can take about 20h 35m. United Airlines provides one of the quickest options available for as low as $769. California and Bucharest are separated by a distance of 6568 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    One-way options have recently been found by users for as low as $226 on Delta. Other airlines that offer cheap prices include Air France from $226 and American Airlines from $227 one-way.

  • What are the most popular routes from California to Bucharest?

    While some choose either San Francisco - Bucharest Otopeni Intl or Ontario - Bucharest Otopeni Intl, Los Angeles Los Angeles - Bucharest Otopeni Intl is the most popular route from California to Bucharest.

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

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

  • How can I find direct flights from California to Bucharest?

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

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

    Yes. Cheapflights offers flight deals from California 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 California to Bucharest?

    Currently, January is the cheapest month in which you can book a flight from California to Bucharest (average of $632). Flying from California to Bucharest in June is currently the most expensive (average of $1,105). 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

Browse 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.

Top 10 airlines flying from California to Bucharest

Discover the top 10 airlines that operate flights from California 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 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
LOTCheapest$475Average$735FlexibilityNo cancel feeOn-time81%
KLMCheapest$489Average$849FlexibilityNo cancel feeOn-time75%
SWISSCheapest$490Average$856FlexibilityNo cancel feeOn-time79%
DeltaCheapest$491Average$900FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$499Average$801FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$501Average$881FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$501Average$785FlexibilityNo cancel feeOn-time70%
Austrian AirlinesCheapest$580Average$928FlexibilityNo cancel feeOn-time78%
Air FranceCheapest$581Average$974FlexibilityNo cancel feeOn-time77%
Turkish AirlinesCheapest$592Average$700FlexibilityNo cancel feeOn-time77%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.