Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from California to Bucharest from $219

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from California to Bucharest departing on 11/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from California to Bucharest

Cheap round-trip flights

Multiple Airlines Logo
6:00 am - 3:25 pmONT-OTP
23h 25m2 stops
Multiple Airlines Logo
8:40 am - 11:03 pmOTP-ONT
24h 23m2 stops
$488Multiple Airlines
Find Deal
Tue, Nov 25 - Thu, Dec 11
Delta Logo
6:45 am - 10:50 pmONT-OTP
30h 05m2 stops
Delta Logo
6:05 am - 11:59 pmOTP-ONT
27h 54m2 stops
$495Delta
Find Deal
Wed, Nov 26 - Thu, Dec 11
United Airlines Logo
9:35 pm - 11:50 pmONT-OTP
40h 15m2 stops
United Airlines Logo
5:55 am - 12:32 pmOTP-ONT
40h 37m2 stops
$515United Airlines
Find Deal
Sat, Nov 29 - Tue, Dec 9
Lufthansa Logo
6:25 pm - 1:05 amSNA-OTP
20h 40m2 stops
Lufthansa Logo
5:55 am - 6:47 pmOTP-SNA
22h 52m2 stops
$516Lufthansa
Find Deal
Tue, Nov 18 - Tue, Dec 2
United Airlines Logo
6:38 pm - 6:35 pmONT-OTP
37h 57m2 stops
United Airlines Logo
2:50 pm - 12:17 pmOTP-ONT
31h 27m2 stops
$522United Airlines
Find Deal
Sun, Nov 23 - Tue, Dec 9
British Airways Logo
3:00 pm - 11:30 pmONT-OTP
22h 30m2 stops
British Airways Logo
8:05 am - 10:02 pmOTP-ONT
23h 57m2 stops
$549British Airways
Find Deal
Wed, Jan 21 - Wed, Feb 4
British Airways Logo
6:00 pm - 10:55 pmSAN-OTP
18h 55m1 stop
British Airways Logo
4:00 pm - 4:10 pmOTP-SAN
34h 10m1 stop
$554British Airways
Find Deal
Tue, Nov 11 - Mon, Nov 17
Austrian Airlines Logo
7:45 am - 9:05 amLAX-OTP
39h 20m2 stops
Austrian Airlines Logo
7:10 pm - 1:05 pmOTP-LAX
27h 55m2 stops
$555Austrian Airlines
Find Deal
Mon, Dec 8 - Mon, Jan 12
Lufthansa Logo
5:35 pm - 6:35 pmSAN-OTP
15h 00m1 stop
Lufthansa Logo
6:05 am - 5:24 pmOTP-SAN
21h 19m2 stops
$556Lufthansa
Find Deal
Tue, Nov 11 - Wed, Nov 19
Austrian Airlines Logo
6:30 pm - 11:50 pmLAX-OTP
20h 20m2 stops
Austrian Airlines Logo
7:10 pm - 1:05 pmOTP-LAX
27h 55m2 stops
$559Austrian Airlines
Find Deal
Tue, Oct 28 - Mon, Nov 3

British Airways flights from California to Bucharest Otopeni Intl Airport

Our best British Airways deals on California to Bucharest Otopeni Intl Airport flight tickets
British Airways
Jan 21
ONT3:00 pmOntario
22h 30m
2 stops
OTP11:30 pmBucharest Otopeni Intl
Feb 4
OTP8:05 amBucharest Otopeni Intl
23h 57m
2 stops
ONT10:02 pmOntario
$549
Find similar
British Airways
Nov 11
SAN6:00 pmSan Diego
18h 55m
1 stop
OTP10:55 pmBucharest Otopeni Intl
Nov 17
OTP4:00 pmBucharest Otopeni Intl
34h 10m
1 stop
SAN4:10 pmSan Diego
$554
Find similar
British Airways
Mar 11
LAX10:00 pmLos Angeles
16h 30m
1 stop
OTP11:30 pmBucharest Otopeni Intl
Mar 21
OTP8:05 amBucharest Otopeni Intl
22h 38m
2 stops
LAX9:43 pmLos Angeles
$565
Find similar

Austrian Airlines flights from California to Bucharest Otopeni Intl Airport

Our best Austrian Airlines deals on California to Bucharest Otopeni Intl Airport flight tickets
Austrian Airlines
Dec 8
LAX7:45 amLos Angeles
39h 20m
2 stops
OTP9:05 amBucharest Otopeni Intl
Jan 12
OTP7:10 pmBucharest Otopeni Intl
27h 55m
2 stops
LAX1:05 pmLos Angeles
$555
Find similar
Austrian Airlines
Oct 28
LAX6:30 pmLos Angeles
20h 20m
2 stops
OTP11:50 pmBucharest Otopeni Intl
Nov 3
OTP7:10 pmBucharest Otopeni Intl
27h 55m
2 stops
LAX1:05 pmLos Angeles
$559
Find similar
Austrian Airlines
Dec 7
LAX5:30 pmLos Angeles
20h 20m
2 stops
OTP11:50 pmBucharest Otopeni Intl
Jan 12
OTP1:20 pmBucharest Otopeni Intl
33h 45m
2 stops
LAX1:05 pmLos Angeles
$571
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from California to Bucharest Otopeni Intl Airport 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, momondo users made 832,500 searches. Data last updated September 21, 2025.
Use the filters below to find and compare flights from California to Bucharest Otopeni Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioBucharest

ONT - OTP

ONTOTP

Ontario

Tue 11/25

6:00 am-3:25 pm

2 stops23h 25m

Bucharest Otopeni Intl

Thu 12/11

8:40 am-11:03 pm

2 stops24h 23m

$488

OntarioBucharest

ONT - OTP

ONTOTP

Ontario

Wed 11/26

6:45 am-10:50 pm

2 stops30h 05m

Bucharest Otopeni Intl

Thu 12/11

6:05 am-11:59 pm

2 stops27h 54m

$495

OntarioBucharest

ONT - OTP

ONTOTP

Ontario

Sat 11/29

9:35 pm-11:50 pm

2 stops40h 15m

Bucharest Otopeni Intl

Tue 12/9

5:55 am-12:32 pm

2 stops40h 37m

$515

Santa AnaBucharest

SNA - OTP

SNAOTP

Santa Ana J. Wayne/Orange Cnty

Tue 11/18

6:25 pm-1:05 am

2 stops20h 40m

Bucharest Otopeni Intl

Tue 12/2

5:55 am-6:47 pm

2 stops22h 52m

$516

OntarioBucharest

ONT - OTP

ONTOTP

Ontario

Sun 11/23

6:38 pm-6:35 pm

2 stops37h 57m

Bucharest Otopeni Intl

Tue 12/9

2:50 pm-12:17 pm

2 stops31h 27m

$522

OntarioBucharest

ONT - OTP

ONTOTP

Ontario

Wed 1/21

3:00 pm-11:30 pm

2 stops22h 30m

Bucharest Otopeni Intl

Wed 2/4

8:05 am-10:02 pm

2 stops23h 57m

$549

San DiegoBucharest

SAN - OTP

SANOTP

San Diego

Tue 11/11

6:00 pm-10:55 pm

1 stop18h 55m

Bucharest Otopeni Intl

Mon 11/17

4:00 pm-4:10 pm

1 stop34h 10m

$554

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Mon 12/8

7:45 am-9:05 am

2 stops39h 20m

Bucharest Otopeni Intl

Mon 1/12

7:10 pm-1:05 pm

2 stops27h 55m

$555

San DiegoBucharest

SAN - OTP

SANOTP

San Diego

Tue 11/11

5:35 pm-6:35 pm

1 stop15h 00m

Bucharest Otopeni Intl

Wed 11/19

6:05 am-5:24 pm

2 stops21h 19m

$556

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Tue 10/28

6:30 pm-11:50 pm

2 stops20h 20m

Bucharest Otopeni Intl

Mon 11/3

7:10 pm-1:05 pm

2 stops27h 55m

$559

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Bucharest from

How to get the cheapest flight ticket from California to Bucharest Otopeni Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Bucharest Otopeni Intl Airport?

If you aren’t able to travel during the month of November, then book flights to Bucharest Otopeni Intl Airport from California during February instead. Flights to Bucharest Otopeni Intl Airport in February, while not as cheap as those in November, still average around $601.

What is the cheapest day to depart on your flight to Bucharest Otopeni Intl Airport?

Our data shows that Wednesday is the least expensive day to fly to Bucharest Otopeni Intl Airport. Tickets to fly out on this day can be as low as $704. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from California to Bucharest Otopeni Intl Airport for around $824.

What is the cheapest time of day to depart on your flight to Bucharest Otopeni Intl Airport?

Our most recent data shows that the best time of day to fly to Bucharest Otopeni Intl Airport is in the morning. Flights from California to Bucharest Otopeni Intl Airport during this time can be as low as $715. In the afternoon is when there is more demand to fly to Bucharest Otopeni Intl Airport, so prices are often more expensive at around $792 per ticket.

How far in advance should I book a flight to Bucharest Otopeni Intl Airport?

You are more likely to see cheaper flights to Bucharest Otopeni Intl Airport from California when booking weeks ahead of your departure date. In general, you can expect to find flights to Bucharest Otopeni Intl Airport for around $702 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bucharest Otopeni Intl Airport from California for as low as $620 on momondo.

Can stopping save me money on California to Bucharest Otopeni Intl Airport flights?

You could potentially save up to 6% on your flight if you consider stops on a California to Bucharest Otopeni Intl Airport flight.

Cheap California to Bucharest Otopeni Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from California to Bucharest Otopeni Intl Airport

Direct flights

None
There are no direct flights from California to Bucharest Otopeni Intl Airport. There are no popular flight routes from California to Bucharest Otopeni Intl Airport.
Search flight deals

  • When did momondo last update prices for flights from California to Bucharest Otopeni Intl Airport?

    Prices for flights from California to Bucharest Otopeni Intl Airport refresh daily.

  • How many operators does momondo search for flights from California to Bucharest Otopeni Intl Airport?

  • How old do you have to be to fly from California to Bucharest Otopeni Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from California to Bucharest Otopeni Intl Airport.

  • What documentation or ID do you need to fly to Bucharest Otopeni Intl Airport?

    The necessary travel and health documents for your Bucharest Otopeni Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from California to Bucharest Otopeni Intl Airport

Compare and see reviews for airlines that fly from California to Bucharest Otopeni Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom $443Free CancellationRating
6.8
7,419 reviews
Search Lufthansa flights
Scandinavian AirlinesPriceFrom $481Free CancellationRating
7.4
1,490 reviews
Search Scandinavian Airlines flights
SWISSPriceFrom $494Free CancellationRating
7.5
1,740 reviews
Search SWISS flights
British AirwaysPriceFrom $499Free CancellationRating
6.7
7,380 reviews
Search British Airways flights
American AirlinesPriceFrom $502Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
LOTPriceFrom $507Free CancellationRating
7.6
1,119 reviews
Search LOT flights
United AirlinesPriceFrom $527Free CancellationRating
7.4
8,923 reviews
Search United Airlines flights
Air FrancePriceFrom $550Free CancellationRating
7.4
1,467 reviews
Search Air France flights
KLMPriceFrom $552Free CancellationRating
7.8
1,387 reviews
Search KLM flights
Austrian AirlinesPriceFrom $555Free CancellationRating
7.6
851 reviews
Search Austrian Airlines flights

Traveling to a place near Bucharest?

Book flights to Bucharest if you plan to visit one of these locations
Otopeni

Why use momondo?

Why should I use momondo to find a flight deal from California to Bucharest?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from California to Bucharest. momondo saves you time and could save you money on your trip.

Can I find flights from California to Bucharest with flexible booking policies on momondo?

Yes. All flights to Bucharest from California on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from California to Bucharest?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Bucharest from California.

I’m not ready to book a flight from California to Bucharest right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Bucharest from California. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Bucharest Otopeni Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 10/21
Tue 10/28
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Bucharest