How long is the flight from California to Romania?

For as low as $469, British Airways can have you in Romania from California in 16h 57m. The distance between California and Romania is about 6541 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

The cheapest airlines for a one-way flight from California to Romania are United Airlines ($411), British Airways ($434), and American Airlines ($447).

In terms of precipitation, rainfall in Romania ranges from 0.8 - 3.1 inches per month. June is typically the wettest month, when rainfall can reach 3.1 in. October is typically the driest time to visit Romania when rainfall is around 0.8 in.

If weather is an important factor for your trip to Romania, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

How far in advance should I book a flight from California to Romania?

Users have found that booking a flight from California to Romania at least 56 days early can save you up to 33% on average compared to booking a flight this week. If booking 56 days before your flight isn’t an option for you, users have found flights from California to Romania for as little as $624 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $685 for flights departing within the next 3 days.

What is the cheapest month to fly from California to Romania?

October can be a great time to fly to Romania from California with a flight ticket averaging about $712. Cheapflights users have found deals in the month of October for as cheap as $466. The most expensive prices can be found in the month of December.

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

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

How can I find direct flights from California to Romania?

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

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

Yes. Cheapflights offers flight deals from California to Romania by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$241+ Cheap Flights from California to Romania

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from California to Romania 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 Romania

Round-trip from	$493 (Ovago)
One-way from	$241 (Mytrip)
Popular in	December
Cheapest in	October
Average price	$709

From California to Romania

Search Deals

One-way flight from California to Romania

Search Deals

Highest demand for flights based on searches. 9% potential increase in price ($75 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($30 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Find flight deals from California to Romania

Cheapest flights from California to Romania
Explore the most affordable flight options available from California to Romania. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

Sun 11/235:49 pmONT - OTP

2 stops43h 01mDelta

Tue 12/96:05 amOTP - ONT

2 stops21h 02mDelta

Deal found 9/13

$486

Sun 11/235:49 pmONT - OTP

2 stops43h 01mDelta

Mon 12/81:55 pmOTP - ONT

2 stops55h 15mDelta

Deal found 9/13

$487

Sun 11/2310:25 pmONT - OTP

2 stops32h 45mDelta

Wed 12/106:05 amOTP - ONT

2 stops27h 54mDelta

Deal found 9/13

$490

Tue 11/256:00 amONT - OTP

2 stops23h 25mMultiple Airlines

Thu 12/118:40 amOTP - ONT

2 stops24h 23mMultiple Airlines

Deal found 9/13

$498

Wed 11/266:45 amONT - OTP

2 stops44h 15mDelta

Tue 12/96:05 amOTP - ONT

2 stops21h 02mDelta

Deal found 9/13

$499

Tue 11/256:45 amONT - OTP

2 stops24h 25mDelta

Mon 12/81:55 pmOTP - ONT

2 stops44h 04mDelta

Deal found 9/13

$500

Wed 10/155:30 pmLAX - CLJ

1 stop13h 50mMultiple Airlines

Thu 10/3010:50 amCLJ - LAX

1 stop15h 45mMultiple Airlines

Deal found 9/13

$507

Sun 10/1911:59 pmLAX - CLJ

2 stops31h 21mMultiple Airlines

Mon 11/33:25 pmCLJ - LAX

1 stop35h 10mMultiple Airlines

Deal found 9/15

$509

Sat 11/2211:00 pmLAX - CLJ

2 stops28h 40mMultiple Airlines

Wed 12/36:00 amCLJ - LAX

1 stop19h 15mMultiple Airlines

Deal found 9/15

$516

Sat 11/2210:55 pmLAX - CLJ

2 stops28h 45mUnited Airlines

Wed 12/36:00 amCLJ - LAX

1 stop19h 15mUnited Airlines

Deal found 9/15

$518

Mon 11/245:05 amONT - OTP

2 stops27h 30mUnited Airlines

Tue 12/95:55 amOTP - ONT

3 stops26h 54mUnited Airlines

Deal found 9/13

$521

Mon 10/62:41 pmSNA - OTP

2 stops24h 44mMultiple Airlines

Mon 10/133:30 pmOTP - SNA

2 stops38h 33mMultiple Airlines

Deal found 9/14

$521

Best flights from California to Romania
Discover carefully curated flight deals from California to Romania that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2025.

Wed 1/145:03 pmONT - OTP

2 stops16h 57mBritish Airways

Wed 1/288:05 amOTP - ONT

2 stops23h 57mBritish Airways

Deal found 9/13

$469

Mon 11/246:45 amONT - OTP

2 stops30h 05mDelta

Fri 12/126:05 amOTP - ONT

2 stops27h 54mDelta

Deal found 9/13

$486

Tue 11/256:45 amONT - OTP

2 stops22h 40mMultiple Airlines

Tue 12/98:40 amOTP - ONT

2 stops24h 23mMultiple Airlines

Deal found 9/13

$498

Sat 11/2210:55 pmLAX - CLJ

2 stops28h 45mUnited Airlines

Wed 12/36:00 amCLJ - LAX

1 stop19h 15mUnited Airlines

Deal found 9/15

$518

Wed 10/155:30 pmLAX - CLJ

1 stop13h 50mLufthansa

Thu 10/306:00 amCLJ - LAX

2 stops17h 05mLufthansa

Deal found 9/13

$524

Fri 11/77:45 amLAX - OTP

2 stops30h 05mAustrian Airlines

Sun 11/236:40 amOTP - LAX

2 stops22h 47mAustrian Airlines

Deal found 9/14

$587

Tue 10/71:20 pmSNA - OTP

2 stops41h 30mAir Canada

Tue 10/146:00 amOTP - SNA

2 stops40h 18mAir Canada

Deal found 9/14

$592

Mon 11/38:15 amSMF - OTP

2 stops21h 15mAmerican Airlines

Sat 11/158:05 amOTP - SMF

2 stops23h 49mAmerican Airlines

Deal found 9/14

$636

Fri 10/37:30 pmSFO - CLJ

1 stop33h 20mSWISS

Mon 10/133:20 pmCLJ - SFO

1 stop34h 50mSWISS

Deal found 9/15

$725

Sun 11/235:49 pmONT - OTP

2 stops43h 01mDelta

Thu 12/116:05 amOTP - ONT

2 stops21h 02mDelta

Deal found 9/13

$486

Wed 10/155:30 pmLAX - CLJ

1 stop13h 50mMultiple Airlines

Thu 10/3010:50 amCLJ - LAX

1 stop15h 45mMultiple Airlines

Deal found 9/13

$507

Mon 11/245:05 amONT - OTP

2 stops27h 30mUnited Airlines

Thu 12/115:50 amOTP - ONT

3 stops26h 59mUnited Airlines

Deal found 9/13

$521

Last-minute flights from California to Romania
Discover last-minute flight deals from California to Romania. Data last updated September 15, 2025 and is based on user searches.

Mon 10/62:41 pmSNA - OTP

2 stops24h 44mMultiple Airlines

Mon 10/133:30 pmOTP - SNA

2 stops38h 33mMultiple Airlines

Deal found 9/14

$521

Tue 10/141:15 pmONT - OTP

2 stops19h 20mUnited Airlines

Tue 10/285:55 amOTP - ONT

2 stops20h 39mUnited Airlines

Deal found 9/13

$551

Wed 10/155:30 pmLAX - CLJ

1 stop13h 50mMultiple Airlines

Thu 10/3010:50 amCLJ - LAX

1 stop15h 45mMultiple Airlines

Deal found 9/13

$507

Wed 10/155:30 pmLAX - CLJ

1 stop13h 50mLufthansa

Thu 10/306:00 amCLJ - LAX

2 stops17h 05mLufthansa

Deal found 9/13

$524

Sun 10/1911:59 pmLAX - CLJ

2 stops31h 21mMultiple Airlines

Mon 11/33:25 pmCLJ - LAX

1 stop35h 10mMultiple Airlines

Deal found 9/15

$509

Sun 10/199:35 pmLAX - CLJ

2 stops33h 45mUnited Airlines

Mon 11/32:25 pmCLJ - LAX

2 stops37h 16mUnited Airlines

Deal found 9/15

$528

Sun 10/199:10 pmLAS - OTP

1 stop16h 40mLufthansa

Tue 11/45:55 amOTP - LAS

2 stops22h 40mLufthansa

Deal found 9/15

$544

Mon 10/201:15 pmONT - OTP

2 stops19h 20mUnited Airlines

Mon 11/35:55 amOTP - ONT

2 stops21h 39mUnited Airlines

Deal found 9/15

$547

Tue 10/281:40 pmONT - OTP

2 stops25h 15mUnited Airlines

Tue 11/42:50 pmOTP - ONT

2 stops18h 01mUnited Airlines

Deal found 9/13

$526

Tue 10/289:45 amSNA - OTP

2 stops19h 10mUnited Airlines

Tue 11/45:55 amOTP - SNA

2 stops24h 37mUnited Airlines

Deal found 9/13

$526

Wed 10/292:51 pmONT - OTP

2 stops23h 39mBritish Airways

Wed 11/53:50 pmOTP - ONT

2 stops40h 33mBritish Airways

Deal found 9/13

$536

Wed 10/291:33 pmLAS - OTP

2 stops20h 02mLufthansa

Wed 11/56:05 amOTP - LAS

2 stops24h 40mLufthansa

Deal found 9/14

$542

One-way flights from California to Romania
Search for one-way flight options from California to Romania. Find affordable one-way fares based on user searches. Data last updated September 15, 2025.

Tue 10/146:50 pmLAX - OTP

1 stop20h 45mMultiple Airlines

Deal found 9/14

$241

Mon 10/202:30 pmLAX - OTP

1 stop25h 05mMultiple Airlines

Deal found 9/14

$247

Sun 10/59:25 pmLAX - OTP

2 stops36h 00mMultiple Airlines

Deal found 9/14

$269

Fri 9/269:25 pmLAX - OTP

1 stop30h 10mMultiple Airlines

Deal found 9/15

$273

Sat 9/273:05 pmLAX - OTP

1 stop35h 05mMultiple Airlines

Deal found 9/15

$276

Thu 10/2312:22 pmSAN - OTP

3 stops44h 23mMultiple Airlines

Deal found 9/14

$297

Wed 10/228:00 amSAN - OTP

3 stops57h 10mMultiple Airlines

Deal found 9/14

$305

Wed 10/1512:00 pmSFO - OTP

2 stops53h 10mMultiple Airlines

Deal found 9/14

$318

Wed 10/1510:53 amSJC - OTP

3 stops35h 37mMultiple Airlines

Deal found 9/13

$329

Tue 10/149:36 amONT - OTP

2 stops22h 59mUnited Airlines

Deal found 9/14

$411

Wed 10/154:30 pmSFO - OTP

1 stop17h 50mBritish Airways

Deal found 9/14

$434

Wed 10/159:16 amSFO - OTP

2 stops19h 14mAmerican Airlines

Deal found 9/14

$447

Cheapflights Fare Finder

Use the filters below to find and compare flights from California to Romania that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioBucharest

ONT - OTP

ONTOTP

Ontario

Wed 1/14

5:03 pm-8:00 pm

2 stops16h 57m

Bucharest Otopeni Intl

Wed 1/28

8:05 am-10:02 pm

2 stops23h 57m

$469

OntarioBucharest

ONT - OTP

ONTOTP

Ontario

Mon 11/24

6:45 am-10:50 pm

2 stops30h 05m

Bucharest Otopeni Intl

Fri 12/12

6:05 am-11:59 pm

2 stops27h 54m

$486

OntarioBucharest

ONT - OTP

ONTOTP

Ontario

Sun 11/23

5:49 pm-10:50 pm

2 stops43h 01m

Bucharest Otopeni Intl

Thu 12/11

6:05 am-5:07 pm

2 stops21h 02m

$486

OntarioBucharest

ONT - OTP

ONTOTP

Ontario

Mon 11/24

6:45 am-10:50 pm

2 stops30h 05m

Bucharest Otopeni Intl

Wed 12/10

6:05 am-11:59 pm

2 stops27h 54m

$486

OntarioBucharest

ONT - OTP

ONTOTP

Ontario

Wed 11/26

6:00 am-5:10 pm

2 stops25h 10m

Bucharest Otopeni Intl

Wed 12/10

6:05 am-11:10 am

2 stops39h 05m

$490

OntarioBucharest

ONT - OTP

ONTOTP

Ontario

Tue 11/25

1:20 pm-5:10 pm

2 stops41h 50m

Bucharest Otopeni Intl

Tue 12/9

6:05 am-5:07 pm

2 stops21h 02m

$491

OntarioBucharest

ONT - OTP

ONTOTP

Ontario

Tue 11/25

6:45 am-3:25 pm

2 stops22h 40m

Bucharest Otopeni Intl

Tue 12/9

8:40 am-11:03 pm

2 stops24h 23m

$498

OntarioBucharest

ONT - OTP

ONTOTP

Ontario

Wed 11/26

6:45 am-1:00 pm

2 stops44h 15m

Bucharest Otopeni Intl

Tue 12/9

6:05 am-5:07 pm

2 stops21h 02m

$499

Los AngelesCluj Napoca

LAX - CLJ

LAXCLJ

Los Angeles

Wed 10/15

5:30 pm-5:20 pm

1 stop13h 50m

Cluj Napoca

Thu 10/30

10:50 am-5:35 pm

1 stop15h 45m

$507

Los AngelesCluj Napoca

LAX - CLJ

LAXCLJ

Los Angeles

Sun 10/19

11:59 pm-5:20 pm

2 stops31h 21m

Cluj Napoca

Mon 11/3

3:25 pm-4:35 pm

1 stop35h 10m

$509

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 56 results

...

Best time to book a flight from California to Romania

Have a flexible travel schedule? Discover the best time to fly to Romania 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 Romania

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

Currently, November is the cheapest month in which you can book a flight from California to Romania (average of $604). Flying from California to Romania in June is currently the most expensive (average of $1,130). 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 RO?

When flying from California to Romania, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

How long is the flight from California to Romania?
For as low as $469, British Airways can have you in Romania from California in 16h 57m. The distance between California and Romania is about 6541 mi. Both multi-stop and nonstop flights can be found to your destination and back.
What are the cheapest airlines to fly from California to Romania one-way?
The cheapest airlines for a one-way flight from California to Romania are United Airlines ($411), British Airways ($434), and American Airlines ($447).
Can I find deals for flights from California to Romania that include hotel bookings?
Yes. In addition to deals on California to Romania flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from California to Romania?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from California to Romania.
Can I find deals for business class flights from California to Romania?
Yes. Cheapflights offers flight deals from California to Romania 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 Romania?
Currently, November is the cheapest month in which you can book a flight from California to Romania (average of $604). Flying from California to Romania in June is currently the most expensive (average of $1,130). 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

Browse thousands of different options on Cheapflights for your next trip

Top 10 airlines flying from California to Romania

Airline	Cheapest	Average	Flexibility	On-time
Lufthansa	Cheapest$442	Average$1,009	FlexibilityNo cancel fee	On-time76%
Scandinavian Airlines	Cheapest$481	Average$648	FlexibilityNo cancel fee	On-time77%
SWISS	Cheapest$494	Average$841	FlexibilityNo cancel fee	On-time79%
British Airways	Cheapest$499	Average$830	FlexibilityNo cancel fee	On-time70%
American Airlines	Cheapest$502	Average$704	FlexibilityNo cancel fee	On-time71%
LOT	Cheapest$507	Average$687	FlexibilityNo cancel fee	On-time81%
United Airlines	Cheapest$527	Average$996	FlexibilityNo cancel fee	On-time69%
Air France	Cheapest$550	Average$790	FlexibilityNo cancel fee	On-time77%
KLM	Cheapest$552	Average$966	FlexibilityNo cancel fee	On-time75%
Austrian Airlines	Cheapest$561	Average$725	FlexibilityNo cancel fee	On-time78%

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.

$241+ Cheap flights from California to Romania

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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from California to Romania with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from California to Romania

Keep the following information in mind while searching for California to Romania flight deals. Data was last updated September 15, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from California to Romania

Cheapest flights from California to RomaniaExplore the most affordable flight options available from California to Romania. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

Explore the most affordable flight options available from California to Romania. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from California to Romania that are best for you.

Best time to book a flight from California to Romania

Have a flexible travel schedule? Discover the best time to fly to Romania from California with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from California to Romania

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

What is the cheapest time of day to fly from CA to RO?

Find hourly flight availability from California to Romania. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

Related info for your journey

Find useful and relevant information for your journey from California to Romania. 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 Romania?

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

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

How can I find direct flights from California to Romania?

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

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

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 Romania

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from California to Romania

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from California to Romania
Explore the most affordable flight options available from California to Romania. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.