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Cheap flights from California to Bucharest from $281

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 2/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

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Multiple Airlines Logo
10:58 am - 3:30 pmONT-OTP
18h 32m2 stops
Multiple Airlines Logo
8:00 am - 10:48 pmOTP-ONT
24h 48m2 stops
$463Multiple Airlines
Find Deal
Mon, Jan 12 - Thu, Jan 22
Multiple Airlines Logo
10:58 am - 3:10 pmONT-OTP
18h 12m2 stops
Multiple Airlines Logo
8:05 am - 10:02 pmOTP-ONT
22h 57m2 stops
$508Multiple Airlines
Find Deal
Fri, Jan 16 - Wed, Mar 11
United Airlines Logo
1:24 pm - 11:55 pmONT-OTP
24h 31m2 stops
United Airlines Logo
6:05 am - 8:58 pmOTP-ONT
24h 53m2 stops
$511United Airlines
Find Deal
Wed, Jan 7 - Wed, Jan 21
British Airways Logo
6:00 pm - 10:55 pmSAN-OTP
18h 55m1 stop
British Airways Logo
8:05 am - 4:10 pmOTP-SAN
18h 05m1 stop
$522British Airways
Find Deal
Tue, Jan 27 - Mon, Feb 9
Lufthansa Logo
5:35 pm - 1:05 amSAN-OTP
21h 30m1 stop
Lufthansa Logo
6:05 am - 3:45 pmOTP-SAN
19h 40m1 stop
$528Lufthansa
Find Deal
Sun, Jan 11 - Sun, Jan 18
Lufthansa Logo
7:00 am - 6:35 pmSAN-OTP
25h 35m2 stops
Lufthansa Logo
6:05 am - 3:45 pmOTP-SAN
19h 40m1 stop
$532Lufthansa
Find Deal
Sun, Jan 11 - Sun, Jan 18
Air Canada Logo
6:10 pm - 6:35 pmLAX-OTP
38h 25m2 stops
Air Canada Logo
6:05 am - 4:28 pmOTP-LAX
44h 23m2 stops
$535Air Canada
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Sat, Apr 18 - Sun, Apr 26
United Airlines Logo
6:00 am - 2:00 pmONT-OTP
22h 00m2 stops
United Airlines Logo
2:50 pm - 10:53 pmOTP-ONT
18h 03m2 stops
$536United Airlines
Find Deal
Wed, Jan 14 - Sat, Jan 31
Air Canada Logo
6:05 pm - 2:10 pmSAN-OTP
34h 05m2 stops
Air Canada Logo
6:05 am - 5:24 pmOTP-SAN
21h 19m2 stops
$547Air Canada
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Thu, Jan 29 - Wed, Feb 11
British Airways Logo
8:55 pm - 7:30 pmLAS-OTP
36h 35m1 stop
British Airways Logo
8:00 am - 6:50 pmOTP-LAS
20h 50m1 stop
$589British Airways
Find Deal
Wed, Dec 24 - Thu, Jan 8

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 27
SAN6:00 pmSan Diego
18h 55m
1 stop
OTP10:55 pmBucharest Otopeni Intl
Feb 9
OTP8:05 amBucharest Otopeni Intl
18h 05m
1 stop
SAN4:10 pmSan Diego
$522
Find similar
British Airways
Jan 29
SAN3:12 pmSan Diego
18h 18m
2 stops
OTP7:30 pmBucharest Otopeni Intl
Feb 9
OTP8:05 amBucharest Otopeni Intl
18h 05m
1 stop
SAN4:10 pmSan Diego
$554
Find similar
British Airways
Dec 24
LAS8:55 pmLas Vegas Harry Reid Intl
36h 35m
1 stop
OTP7:30 pmBucharest Otopeni Intl
Jan 8
OTP8:00 amBucharest Otopeni Intl
20h 50m
1 stop
LAS6:50 pmLas Vegas Harry Reid Intl
$589
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 29
LAX5:30 pmLos Angeles
20h 20m
2 stops
OTP11:50 pmBucharest Otopeni Intl
Jan 14
OTP7:10 pmBucharest Otopeni Intl
27h 55m
2 stops
LAX1:05 pmLos Angeles
$538
Find similar
Austrian Airlines
Nov 28
LAX5:30 pmLos Angeles
20h 20m
2 stops
OTP11:50 pmBucharest Otopeni Intl
Jan 12
OTP7:10 pmBucharest Otopeni Intl
33h 59m
2 stops
LAX7:09 pmLos Angeles
$659
Find similar
Austrian Airlines
Nov 15
LAX8:15 amLos Angeles
38h 50m
2 stops
OTP9:05 amBucharest Otopeni Intl
Dec 1
OTP7:10 pmBucharest Otopeni Intl
54h 05m
2 stops
LAX3:15 pmLos Angeles
$688
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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 November 14, 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

Mon 1/12

10:58 am-3:30 pm

2 stops18h 32m

Bucharest Otopeni Intl

Thu 1/22

8:00 am-10:48 pm

2 stops24h 48m

$463

OntarioBucharest

ONT - OTP

ONTOTP

Ontario

Fri 1/16

10:58 am-3:10 pm

2 stops18h 12m

Bucharest Otopeni Intl

Wed 3/11

8:05 am-10:02 pm

2 stops22h 57m

$508

OntarioBucharest

ONT - OTP

ONTOTP

Ontario

Wed 1/7

1:24 pm-11:55 pm

2 stops24h 31m

Bucharest Otopeni Intl

Wed 1/21

6:05 am-8:58 pm

2 stops24h 53m

$511

San DiegoBucharest

SAN - OTP

SANOTP

San Diego

Tue 1/27

6:00 pm-10:55 pm

1 stop18h 55m

Bucharest Otopeni Intl

Mon 2/9

8:05 am-4:10 pm

1 stop18h 05m

$522

San DiegoBucharest

SAN - OTP

SANOTP

San Diego

Sun 1/11

5:35 pm-1:05 am

1 stop21h 30m

Bucharest Otopeni Intl

Sun 1/18

6:05 am-3:45 pm

1 stop19h 40m

$528

San DiegoBucharest

SAN - OTP

SANOTP

San Diego

Sun 1/11

7:00 am-6:35 pm

2 stops25h 35m

Bucharest Otopeni Intl

Sun 1/18

6:05 am-3:45 pm

1 stop19h 40m

$532

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Sat 4/18

6:10 pm-6:35 pm

2 stops38h 25m

Bucharest Otopeni Intl

Sun 4/26

6:05 am-4:28 pm

2 stops44h 23m

$535

OntarioBucharest

ONT - OTP

ONTOTP

Ontario

Wed 1/14

6:00 am-2:00 pm

2 stops22h 00m

Bucharest Otopeni Intl

Sat 1/31

2:50 pm-10:53 pm

2 stops18h 03m

$536

San DiegoBucharest

SAN - OTP

SANOTP

San Diego

Thu 1/29

6:05 pm-2:10 pm

2 stops34h 05m

Bucharest Otopeni Intl

Wed 2/11

6:05 am-5:24 pm

2 stops21h 19m

$547

Las VegasBucharest

LAS - OTP

LASOTP

Las Vegas Harry Reid Intl

Wed 12/24

8:55 pm-7:30 pm

1 stop36h 35m

Bucharest Otopeni Intl

Thu 1/8

8:00 am-6:50 pm

1 stop20h 50m

$589

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 September, then book flights to Bucharest Otopeni Intl Airport from California during March instead. Flights to Bucharest Otopeni Intl Airport in March, while not as cheap as those in September, still average around $620.

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 $719 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 8% 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.
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  • 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 $444Free CancellationRating
6.8
7,572 reviews
Search Lufthansa flights
Scandinavian AirlinesPriceFrom $481Free CancellationRating
7.4
1,575 reviews
Search Scandinavian Airlines flights
British AirwaysPriceFrom $499Free CancellationRating
6.7
7,520 reviews
Search British Airways flights
American AirlinesPriceFrom $502Free CancellationRating
7.2
11,051 reviews
Search American Airlines flights
LOTPriceFrom $507Free CancellationRating
7.5
1,134 reviews
Search LOT flights
SWISSPriceFrom $529Free CancellationRating
7.5
1,784 reviews
Search SWISS flights
Austrian AirlinesPriceFrom $555Free CancellationRating
7.6
868 reviews
Search Austrian Airlines flights
Air FrancePriceFrom $559Free CancellationRating
7.4
1,487 reviews
Search Air France flights
DeltaPriceFrom $564Free CancellationRating
7.9
8,007 reviews
Search Delta flights
Turkish AirlinesPriceFrom $571Free CancellationRating
7.3
4,043 reviews
Search Turkish 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.

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