HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Bucharest

$265+ 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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BUH
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
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.

Find 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 October 30, 2025.

This CrystalTravel deal was found by Cheapflights users on 10/28. 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.
Mon 12/89:40 pmSFO - OTP
1 stop17h 25mLufthansa
Fri 1/165:55 amOTP - SFO
1 stop16h 45mLufthansa
Deal found 10/28$507
This United Airlines deal was found by Cheapflights users on 10/29. 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 11/267:00 amONT - OTP
2 stops21h 00mUnited Airlines
Fri 1/162:50 pmOTP - ONT
2 stops18h 03mUnited Airlines
Deal found 10/29$511
This KAYAK deal was found by Cheapflights users on 10/28. 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.
Fri 12/57:25 pmSFO - OTP
1 stop34h 25mSWISS
Wed 1/144:35 pmOTP - SFO
1 stop33h 55mSWISS
Deal found 10/28$519
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Sun 11/309:35 pmONT - OTP
2 stops35h 00mUnited Airlines
Sun 12/145:55 amOTP - ONT
2 stops26h 54mUnited Airlines
Deal found 10/30$523
This KAYAK deal was found by Cheapflights users on 10/28. 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.
Wed 12/108:40 pmSFO - OTP
1 stop16h 50mBritish Airways
Tue 1/138:00 amOTP - SFO
1 stop17h 00mBritish Airways
Deal found 10/28$523
This Flightnetwork deal was found by Cheapflights users on 10/29. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/277:25 pmSFO - OTP
1 stop34h 25mMultiple Airlines
Wed 12/106:30 amOTP - SFO
2 stops24h 52mMultiple Airlines
Deal found 10/29$524
This Flightnetwork deal was found by Cheapflights users on 10/29. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/279:40 pmSFO - OTP
1 stop17h 25mLufthansa
Wed 12/106:05 amOTP - SFO
1 stop16h 35mLufthansa
Deal found 10/29$526
This Iberia deal was found by Cheapflights users on 10/28. 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.
Fri 11/2810:47 amONT - OTP
2 stops26h 38mMultiple Airlines
Fri 12/58:00 amOTP - ONT
2 stops24h 28mMultiple Airlines
Deal found 10/28$529
This Booking.com deal was found by Cheapflights users on 10/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/299:40 pmSFO - OTP
1 stop17h 25mLufthansa
Sat 12/131:05 pmOTP - SFO
1 stop16h 30mLufthansa
Deal found 10/29$529
This CrystalTravel deal was found by Cheapflights users on 10/28. 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.
Mon 12/88:30 amSFO - OTP
2 stops18h 00mMultiple Airlines
Fri 1/165:55 amOTP - SFO
1 stop16h 45mMultiple Airlines
Deal found 10/28$531
This Air Canada deal was found by Cheapflights users on 10/28. 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.
Fri 11/2811:20 amSFO - OTP
2 stops21h 15mAir Canada
Fri 12/55:55 amOTP - SFO
2 stops40h 25mAir Canada
Deal found 10/28$532
This Air Canada deal was found by Cheapflights users on 10/28. 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.
Fri 12/511:11 amSFO - OTP
2 stops21h 24mAir Canada
Sun 1/185:55 amOTP - SFO
2 stops40h 25mAir Canada
Deal found 10/28$533

Cheap flight deals from California to Bucharest

Keep the following information in mind while searching for California to Bucharest flight deals. Data was last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$500
(United Airlines)

One-way from

$265
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$580
Provider with most accurate pricing for Los Angeles-Bucharest (BUH) flight deals.
Search Deals
Provider most trusted by Cheapflights users for 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. 7% potential increase in price ($54 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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 October 30, 2025.
Use the filters below to find and compare flights from California to Bucharest that are best for you.

Fly from

California

Fly to

Bucharest

Route

Depart

Return

Price

OntarioBucharest

ONT - OTP

ONTOTP

Ontario

Wed 1/28

10:58 am-8:00 pm

2 stops23h 02m

Bucharest Otopeni Intl

Wed 2/11

8:05 am-10:48 pm

2 stops24h 43m

$504

OntarioBucharest

ONT - OTP

ONTOTP

Ontario

Tue 1/27

7:16 am-2:45 pm

2 stops21h 29m

Bucharest Otopeni Intl

Tue 2/10

8:00 am-10:48 pm

2 stops24h 48m

$504

OntarioBucharest

ONT - OTP

ONTOTP

Ontario

Sun 11/30

9:35 pm-6:35 pm

2 stops35h 00m

Bucharest Otopeni Intl

Sun 12/14

5:55 am-10:49 pm

2 stops26h 54m

$523

OntarioBucharest

ONT - OTP

ONTOTP

Ontario

Fri 1/30

7:16 am-3:10 pm

2 stops21h 54m

Bucharest Otopeni Intl

Fri 2/13

8:00 am-10:31 pm

2 stops24h 31m

$529

OntarioBucharest

ONT - OTP

ONTOTP

Ontario

Fri 11/28

6:00 am-2:10 pm

2 stops22h 10m

Bucharest Otopeni Intl

Fri 12/5

5:55 am-10:49 pm

3 stops26h 54m

$536

OntarioBucharest

ONT - OTP

ONTOTP

Ontario

Thu 11/27

1:40 pm-11:50 pm

2 stops24h 10m

Bucharest Otopeni Intl

Wed 1/14

6:05 am-8:58 pm

2 stops24h 53m

$536

Las VegasBucharest

LAS - OTP

LASOTP

Las Vegas Harry Reid Intl

Thu 12/25

8:55 pm-11:45 pm

1 stop16h 50m

Bucharest Otopeni Intl

Fri 1/9

8:00 am-6:50 pm

1 stop20h 50m

$537

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Mon 12/8

2:50 pm-6:35 pm

2 stops17h 45m

Bucharest Otopeni Intl

Sun 1/18

2:50 pm-8:10 pm

1 stop15h 20m

$537

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Mon 12/8

1:30 pm-6:35 pm

2 stops19h 05m

Bucharest Otopeni Intl

Tue 1/13

5:55 am-3:55 pm

1 stop20h 00m

$537

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Fri 11/28

6:00 am-1:50 pm

2 stops21h 50m

Bucharest Otopeni Intl

Fri 12/5

6:00 am-11:50 am

1 stop15h 50m

$538

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 60 results
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 $685). 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 CA to BUH?

Find hourly flight availability from California 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 October 30, 2025.

It’s optimal to fly from California to Bucharest in the afternoon. By choosing this option you can save up to 26% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from California to Bucharest?

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

Travelers seeking maximum savings on their California to Bucharest flight should consider departing on Tuesday at noon when fares are most often at their lowest. Sunday at noon 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 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 16h 50m. United Airlines provides one of the quickest options available for as low as $537. California and Bucharest are separated by a distance of 6355 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 $402 on Delta. Other airlines that offer cheap prices include British Airways from $415 and United Airlines from $424 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 - 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 $685). 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.

Alternative routes for California to Bucharest

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Otopeni Intl flights
Newark to Otopeni Intl flights
O'Hare Intl to Otopeni Intl flights
LaGuardia to Otopeni Intl flights
Miami to Otopeni Intl flights
Boston to Otopeni Intl flights
Los Angeles to Otopeni Intl flights
Dulles Intl to Otopeni Intl flights
Seattle to Otopeni Intl flights
Reagan-National to Otopeni Intl flights
John F Kennedy Intl to Cluj Napoca flights
O'Hare Intl to Cluj Napoca flights
San Francisco to Otopeni Intl flights
Atlanta to Otopeni Intl flights
Sky Harbor Intl to Otopeni Intl flights
Baltimore to Otopeni Intl flights
Ontario to Otopeni Intl flights
Hobby to Otopeni Intl flights
Newark to Cluj Napoca flights
Dallas/Fort Worth to Otopeni Intl flights
George Bush Intcntl to Otopeni Intl flights
Fort Lauderdale to Otopeni Intl flights
LaGuardia to Cluj Napoca flights
Midway to Otopeni Intl flights
Detroit to Otopeni Intl flights
Denver to Otopeni Intl flights
Las Vegas to Otopeni Intl flights
Portland to Otopeni Intl flights
Orlando to Otopeni Intl flights
Atlanta to Cluj Napoca flights
Santa Ana to Otopeni Intl flights
Miami to Sibiu flights
Love Field to Otopeni Intl flights
John F Kennedy Intl to Iaşi flights
Detroit to Cluj Napoca flights
Los Angeles to Cluj Napoca flights
New Orleans to Otopeni Intl flights
Seattle to Cluj Napoca flights
Reagan-National to Cluj Napoca flights
Tampa to Otopeni Intl flights
Cleveland to Otopeni Intl flights
Dulles Intl to Cluj Napoca flights
Philadelphia to Otopeni Intl flights
Charlotte to Otopeni Intl flights
Austin to Otopeni Intl flights
Newark to Sibiu flights
John F Kennedy Intl to Sibiu flights
O'Hare Intl to Iaşi flights
West Palm Beach to Otopeni Intl flights
Raleigh to Otopeni Intl flights

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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$444Average$940FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$481Average$648FlexibilityNo cancel feeOn-time77%
SWISSCheapest$495Average$671FlexibilityNo cancel feeOn-time79%
British AirwaysCheapest$499Average$791FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$502Average$746FlexibilityNo cancel feeOn-time71%
LOTCheapest$507Average$726FlexibilityNo cancel feeOn-time81%
Austrian AirlinesCheapest$555Average$795FlexibilityNo cancel feeOn-time78%
DeltaCheapest$564Average$1,020FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$568Average$800FlexibilityNo cancel feeOn-time77%
Turkish AirlinesCheapest$571Average$682FlexibilityNo 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.