HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Bucharest

$144+ 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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BUH
Apr 12 — Apr 191
Sun 4/12
Sun 4/19
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 March 13, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/8. 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.
Mon 4/65:30 pm
LAX
-
OTP
1 stop21h 40m
Multiple Airlines
Mon 4/136:55 pm
OTP
-
LAX
2 stops30h 20m
Multiple Airlines
Deal found 3/8$532
This Kiwi.com deal was found by Cheapflights users on 3/9. 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.
Mon 4/137:35 pm
LAX
-
OTP
1 stop19h 30m
Multiple Airlines
Mon 4/277:20 pm
OTP
-
LAX
1 stop29h 55m
Multiple Airlines
Deal found 3/9$538
This Mytrip deal was found by Cheapflights users on 3/9. 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 8/107:35 pm
LAX
-
OTP
1 stop33h 45m
SWISS
Mon 8/244:10 pm
OTP
-
LAX
1 stop34h 20m
SWISS
Deal found 3/9$545
This Air France deal was found by Cheapflights users on 3/9. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/69:00 pm
LAX
-
OTP
1 stop15h 35m
Multiple Airlines
Mon 4/204:50 pm
OTP
-
LAX
1 stop29h 00m
Multiple Airlines
Deal found 3/9$555
This American Airlines deal was found by Cheapflights users on 3/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/94:20 pm
LAX
-
OTP
1 stop22h 30m
American Airlines
Fri 11/138:00 am
OTP
-
LAX
1 stop17h 20m
American Airlines
Deal found 3/9$558
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/145:30 pm
LAX
-
OTP
1 stop15h 05m
Lufthansa
Tue 4/286:05 am
OTP
-
LAX
1 stop17h 05m
Lufthansa
Deal found 3/13$559
This FlightHub deal was found by Cheapflights users on 3/9. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/85:30 pm
LAX
-
OTP
1 stop21h 40m
Lufthansa
Wed 4/156:05 am
OTP
-
LAX
2 stops27h 39m
Lufthansa
Deal found 3/9$560
This Kiwi.com deal was found by Cheapflights users on 3/11. 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.
Mon 5/48:10 am
LAX
-
OTP
2 stops18h 15m
Multiple Airlines
Tue 5/126:15 am
OTP
-
LAX
1 stop19h 00m
Multiple Airlines
Deal found 3/11$564
This United Airlines deal was found by Cheapflights users on 3/9. 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 4/85:10 am
ONT
-
OTP
2 stops34h 00m
United Airlines
Wed 4/151:45 pm
OTP
-
ONT
2 stops30h 11m
United Airlines
Deal found 3/9$572
This Iberia deal was found by Cheapflights users on 3/10. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/810:59 am
ONT
-
OTP
2 stops17h 36m
Multiple Airlines
Wed 4/228:15 am
OTP
-
ONT
2 stops24h 21m
Multiple Airlines
Deal found 3/10$574
This United Airlines deal was found by Cheapflights users on 3/9. 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 4/65:10 am
ONT
-
OTP
2 stops27h 25m
United Airlines
Mon 4/1312:45 pm
OTP
-
ONT
2 stops39h 17m
United Airlines
Deal found 3/9$584
This Mytrip deal was found by Cheapflights users on 3/12. 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 11/27:25 pm
SFO
-
OTP
1 stop34h 25m
SWISS
Thu 11/124:40 pm
OTP
-
SFO
1 stop33h 50m
SWISS
Deal found 3/12$588

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 March 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$532
(Kiwi.com)

One-way from

$144
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$598
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. 12% potential increase in price ($91 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 13, 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

Wed 4/8

5:10 am-1:10 am

2 stops34h 00m

Bucharest Otopeni Intl

Wed 4/15

1:45 pm-9:56 am

2 stops30h 11m

$572

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles Los Angeles

Mon 7/27

5:30 pm-1:10 am

1 stop21h 40m

Bucharest Otopeni Intl

Tue 9/1

1:50 pm-7:49 pm

2 stops39h 59m

$591

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles Los Angeles

Wed 8/5

7:45 am-1:00 pm

2 stops19h 15m

Bucharest Otopeni Intl

Wed 10/7

2:00 pm-11:55 pm

2 stops19h 55m

$605

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles Los Angeles

Wed 4/8

12:55 pm-6:35 pm

2 stops19h 40m

Bucharest Otopeni Intl

Wed 4/15

6:05 am-1:10 pm

1 stop17h 05m

$611

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles Los Angeles

Mon 4/13

7:35 pm-3:20 pm

1 stop33h 45m

Bucharest Otopeni Intl

Mon 4/27

4:10 pm-8:25 pm

2 stops38h 15m

$622

OntarioBucharest

ONT - OTP

ONTOTP

Ontario

Tue 4/28

1:34 pm-4:20 pm

2 stops16h 46m

Bucharest Otopeni Intl

Tue 5/12

1:50 pm-10:59 pm

2 stops19h 09m

$633

OntarioBucharest

ONT - OTP

ONTOTP

Ontario

Wed 4/29

1:38 pm-4:20 pm

2 stops16h 42m

Bucharest Otopeni Intl

Tue 5/12

1:50 pm-10:59 pm

2 stops19h 09m

$633

OntarioBucharest

ONT - OTP

ONTOTP

Ontario

Tue 4/28

1:34 pm-4:20 pm

2 stops16h 46m

Bucharest Otopeni Intl

Wed 5/13

12:45 pm-10:59 pm

2 stops20h 14m

$635
Quickest round-trip

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles Los Angeles

Mon 4/27

6:00 am-12:45 pm

2 stops20h 45m

Bucharest Otopeni Intl

Fri 5/15

7:05 am-11:50 am

1 stop14h 45m

$640

OntarioBucharest

ONT - OTP

ONTOTP

Ontario

Fri 4/24

1:27 pm-6:35 pm

2 stops43h 08m

Bucharest Otopeni Intl

Mon 5/4

6:55 pm-10:35 pm

2 stops37h 40m

$642

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/9

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, September is the cheapest month in which you can book a flight from California to Bucharest (average of $441). Flying from California to Bucharest in June is currently the most expensive (average of $679). 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?

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 19h 15m. United Airlines provides one of the quickest options available for as low as $605. 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 KLM from $240 and Lufthansa from $331 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, September is the cheapest month in which you can book a flight from California to Bucharest (average of $441). Flying from California to Bucharest in June is currently the most expensive (average of $679). 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 March 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$454Average$831FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$481Average$646FlexibilityNo cancel feeOn-time77%
KLMCheapest$489Average$939FlexibilityNo cancel feeOn-time75%
SWISSCheapest$490Average$659FlexibilityNo cancel feeOn-time79%
DeltaCheapest$491Average$1,040FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$501Average$939FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$506Average$743FlexibilityNo cancel feeOn-time70%
LOTCheapest$507Average$706FlexibilityNo cancel feeOn-time81%
Austrian AirlinesCheapest$544Average$792FlexibilityNo cancel feeOn-time78%
Air FranceCheapest$568Average$841FlexibilityNo 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.