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Cheap flights from California to Bucharest from $319

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 11/3. 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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Find the cheapest flights from California to Bucharest

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
9:05 pm - 1:10 am
SFO
-
OTP
18h 05m
1 stop
Lufthansa Logo
6:05 am - 3:15 pm
OTP
-
SFO
19h 10m
1 stop
$642Lufthansa
Tue, Jul 28 - Sat, Aug 22
British Airways Logo
7:54 am - 1:20 am
SFO
-
OTP
31h 26m
2 stops
British Airways Logo
4:40 pm - 3:00 pm
OTP
-
SFO
32h 20m
1 stop
$736British Airways
Tue, Oct 20 - Tue, Nov 3
Multiple Airlines Logo
8:30 am - 12:00 pm
SFO
-
OTP
17h 30m
2 stops
Multiple Airlines Logo
6:00 am - 12:35 pm
OTP
-
SFO
16h 35m
1 stop
$743Multiple Airlines
Wed, Oct 21 - Wed, Nov 4
Multiple Airlines Logo
9:05 pm - 12:25 pm
SFO
-
OTP
29h 20m
2 stops
Multiple Airlines Logo
6:30 am - 9:44 pm
OTP
-
SFO
25h 14m
2 stops
$746Multiple Airlines
Wed, Oct 21 - Wed, Nov 4
United Airlines Logo
6:05 am - 4:20 pm
ONT
-
OTP
24h 15m
2 stops
United Airlines Logo
7:10 pm - 10:26 pm
OTP
-
ONT
37h 16m
2 stops
$749United Airlines
Wed, Oct 21 - Wed, Nov 4
Delta Logo
6:45 pm - 1:40 pm
SNA
-
OTP
32h 55m
2 stops
Delta Logo
2:00 pm - 10:17 am
OTP
-
SNA
30h 17m
2 stops
$750Delta
Sun, Jul 26 - Thu, Aug 13
United Airlines Logo
10:20 am - 6:35 pm
SNA
-
OTP
22h 15m
2 stops
United Airlines Logo
6:05 am - 10:17 pm
OTP
-
SNA
26h 12m
3 stops
$753United Airlines
Wed, Jul 29 - Fri, Aug 14
Delta Logo
6:00 am - 2:10 pm
SFO
-
OTP
22h 10m
2 stops
Delta Logo
6:00 am - 11:45 am
OTP
-
SFO
15h 45m
1 stop
$755Delta
Mon, Nov 2 - Thu, Nov 12
Air Canada Logo
9:10 am - 3:50 pm
LAS
-
OTP
44h 40m
2 stops
Air Canada Logo
6:30 am - 8:39 pm
OTP
-
LAS
24h 09m
2 stops
$801Air Canada
Tue, Nov 3 - Thu, Nov 19
Air Canada Logo
11:30 pm - 6:35 pm
LAS
-
OTP
33h 05m
2 stops
Air Canada Logo
6:30 am - 8:39 pm
OTP
-
LAS
24h 09m
2 stops
$804Air Canada
Sun, Nov 1 - Thu, Nov 19

Delta flights from California to Bucharest Otopeni Intl Airport

Our best Delta deals on California to Bucharest Otopeni Intl Airport flight tickets
Delta
Jul 26
SNA6:45 pmSanta Ana J. Wayne/Orange Cnty
32h 55m
2 stops
OTP1:40 pmBucharest Otopeni Intl
Aug 13
OTP2:00 pmBucharest Otopeni Intl
30h 17m
2 stops
SNA10:17 amSanta Ana J. Wayne/Orange Cnty
$750
Delta
Jul 29
SNA8:00 amSanta Ana J. Wayne/Orange Cnty
19h 00m
2 stops
OTP1:00 pmBucharest Otopeni Intl
Aug 13
OTP2:00 pmBucharest Otopeni Intl
30h 17m
2 stops
SNA10:17 amSanta Ana J. Wayne/Orange Cnty
$755
Delta
Aug 1
SNA2:09 pmSanta Ana J. Wayne/Orange Cnty
41h 31m
2 stops
OTP5:40 pmBucharest Otopeni Intl
Aug 13
OTP2:00 pmBucharest Otopeni Intl
30h 17m
2 stops
SNA10:17 amSanta Ana J. Wayne/Orange Cnty
$760

Lufthansa flights from California to Bucharest Otopeni Intl Airport

Our best Lufthansa deals on California to Bucharest Otopeni Intl Airport flight tickets
Lufthansa
Jul 28
SFO9:05 pmSan Francisco
18h 05m
1 stop
OTP1:10 amBucharest Otopeni Intl
Aug 22
OTP6:05 amBucharest Otopeni Intl
19h 10m
1 stop
SFO3:15 pmSan Francisco
$642
Lufthansa
Oct 27
SFO10:40 pmSan Francisco
17h 25m
1 stop
OTP1:05 amBucharest Otopeni Intl
Nov 10
OTP2:35 pmBucharest Otopeni Intl
15h 35m
1 stop
SFO8:10 pmSan Francisco
$738
Lufthansa
Aug 25
SFO9:05 pmSan Francisco
18h 05m
1 stop
OTP1:10 amBucharest Otopeni Intl
Sep 8
OTP6:15 amBucharest Otopeni Intl
22h 45m
1 stop
SFO7:00 pmSan Francisco
$757

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 May 27, 2026.
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

Cheapest round-trip

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Tue 7/28

9:05 pm-1:10 am

1 stop18h 05m

Bucharest Otopeni Intl

Sat 8/22

6:05 am-3:15 pm

1 stop19h 10m

$642

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Tue 10/20

7:54 am-1:20 am

2 stops31h 26m

Bucharest Otopeni Intl

Tue 11/3

4:40 pm-3:00 pm

1 stop32h 20m

$736
Quickest round-trip

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Wed 10/21

8:30 am-12:00 pm

2 stops17h 30m

Bucharest Otopeni Intl

Wed 11/4

6:00 am-12:35 pm

1 stop16h 35m

$743

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Wed 10/21

9:05 pm-12:25 pm

2 stops29h 20m

Bucharest Otopeni Intl

Wed 11/4

6:30 am-9:44 pm

2 stops25h 14m

$746

OntarioBucharest

ONT - OTP

ONTOTP

Ontario

Wed 10/21

6:05 am-4:20 pm

2 stops24h 15m

Bucharest Otopeni Intl

Wed 11/4

7:10 pm-10:26 pm

2 stops37h 16m

$749

Santa AnaBucharest

SNA - OTP

SNAOTP

Santa Ana J. Wayne/Orange Cnty

Sun 7/26

6:45 pm-1:40 pm

2 stops32h 55m

Bucharest Otopeni Intl

Thu 8/13

2:00 pm-10:17 am

2 stops30h 17m

$750

Santa AnaBucharest

SNA - OTP

SNAOTP

Santa Ana J. Wayne/Orange Cnty

Wed 7/29

10:20 am-6:35 pm

2 stops22h 15m

Bucharest Otopeni Intl

Fri 8/14

6:05 am-10:17 pm

3 stops26h 12m

$753

San FranciscoBucharest

SFO - OTP

SFOOTP

San Francisco

Mon 11/2

6:00 am-2:10 pm

2 stops22h 10m

Bucharest Otopeni Intl

Thu 11/12

6:00 am-11:45 am

1 stop15h 45m

$755

Las VegasBucharest

LAS - OTP

LASOTP

Las Vegas Harry Reid Intl

Tue 11/3

9:10 am-3:50 pm

2 stops44h 40m

Bucharest Otopeni Intl

Thu 11/19

6:30 am-8:39 pm

2 stops24h 09m

$801

Las VegasBucharest

LAS - OTP

LASOTP

Las Vegas Harry Reid Intl

Sun 11/1

11:30 pm-6:35 pm

2 stops33h 05m

Bucharest Otopeni Intl

Thu 11/19

6:30 am-8:39 pm

2 stops24h 09m

$804

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 September instead. Flights to Bucharest Otopeni Intl Airport in September, while not as cheap as those in November, still average around $424.

How far in advance should I book a flight from California 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 $738 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 $648 on momondo.

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

You could potentially save up to 14% 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

Fastest flight time

15h 05m

Direct flights

None
The fastest flight from California to Bucharest Otopeni Intl Airport takes 15h 05m
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

Frequently asked questions about flying from California to Bucharest Otopeni Intl Airport

  • 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
LOTPriceFrom $475Free CancellationRating
7.5
1,195 reviews
Search LOT flights
KLMPriceFrom $489Free CancellationRating
7.8
1,522 reviews
Search KLM flights
SWISSPriceFrom $490Free CancellationRating
7.5
1,959 reviews
Search SWISS flights
DeltaPriceFrom $491Free CancellationRating
7.9
8,423 reviews
Search Delta flights
LufthansaPriceFrom $491Free CancellationRating
6.8
8,032 reviews
Search Lufthansa flights
United AirlinesPriceFrom $501Free CancellationRating
7.4
9,753 reviews
Search United Airlines flights
British AirwaysPriceFrom $506Free CancellationRating
6.7
8,006 reviews
Search British Airways flights
Air FrancePriceFrom $550Free CancellationRating
7.4
1,592 reviews
Search Air France flights
Austrian AirlinesPriceFrom $555Free CancellationRating
7.6
921 reviews
Search Austrian Airlines flights
Turkish AirlinesPriceFrom $592Free CancellationRating
7.4
4,396 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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