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Cheap flights from Bucharest to Los Angeles from $777

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Bucharest to Los Angeles departing on 9/30. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Bucharest to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
Qatar Airways Logo
5:10 pm - 2:16 pmOTP  Bucharest Otopeni Intl-ONT Ontario
55h 06m2 stops Doha Hamad Intl Seattle/Tacoma Intl
Qatar Airways Logo
7:59 pm - 7:45 amONT  Ontario-OTP Bucharest Otopeni Intl
49h 46m2 stops Seattle/Tacoma Intl Doha Hamad Intl
$996Qatar Airways
Mon, Sep 21 - Fri, Oct 2
Qatar Airways Logo
5:10 pm - 11:24 pmOTP  Bucharest Otopeni Intl-ONT Ontario
40h 14m2 stops Doha Hamad Intl Seattle/Tacoma Intl
Qatar Airways Logo
3:14 pm - 7:45 amONT  Ontario-OTP Bucharest Otopeni Intl
54h 31m2 stops Seattle/Tacoma Intl Doha Hamad Intl
$997Qatar Airways
Thu, Sep 10 - Fri, Sep 25
Qatar Airways Logo
5:10 pm - 7:03 pmOTP  Bucharest Otopeni Intl-ONT Ontario
35h 53m2 stops Doha Hamad Intl Seattle/Tacoma Intl
Qatar Airways Logo
11:13 am - 7:45 amONT  Ontario-OTP Bucharest Otopeni Intl
34h 32m2 stops Seattle/Tacoma Intl Doha Hamad Intl
$998Qatar Airways
Thu, Sep 24 - Wed, Oct 7
Qatar Airways Logo
10:40 am - 2:16 pmOTP  Bucharest Otopeni Intl-ONT Ontario
61h 36m2 stops Doha Hamad Intl Seattle/Tacoma Intl
Qatar Airways Logo
2:13 pm - 7:45 amONT  Ontario-OTP Bucharest Otopeni Intl
55h 32m2 stops Seattle/Tacoma Intl Doha Hamad Intl
$999Qatar Airways
Sun, Sep 27 - Wed, Oct 7
Qatar Airways Logo
5:10 pm - 11:24 pmOTP  Bucharest Otopeni Intl-ONT Ontario
40h 14m2 stops Doha Hamad Intl Seattle/Tacoma Intl
Qatar Airways Logo
12:12 pm - 7:45 amONT  Ontario-OTP Bucharest Otopeni Intl
33h 33m2 stops Seattle/Tacoma Intl Doha Hamad Intl
$1,017Qatar Airways
Thu, Sep 10 - Sat, Sep 19
Qatar Airways Logo
10:40 am - 7:03 pmOTP  Bucharest Otopeni Intl-ONT Ontario
42h 23m2 stops Doha Hamad Intl Seattle/Tacoma Intl
Qatar Airways Logo
7:59 pm - 7:45 amONT  Ontario-OTP Bucharest Otopeni Intl
49h 46m2 stops Seattle/Tacoma Intl Doha Hamad Intl
$1,018Qatar Airways
Fri, Sep 25 - Fri, Oct 2
United Airlines Logo
6:05 am - 8:01 pmOTP  Bucharest Otopeni Intl-ONT Ontario
23h 56m3 stops Frankfurt am Main Seattle/Tacoma Intl San Francisco
United Airlines Logo
9:25 am - 6:35 pmONT  Ontario-OTP Bucharest Otopeni Intl
23h 10m2 stops San Francisco Munich Franz Josef Strauss
$1,048United Airlines
Fri, Sep 11 - Mon, Sep 28
Delta Logo
7:05 am - 8:24 pmOTP  Bucharest Otopeni Intl-ONT Ontario
23h 19m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
Delta Logo
6:00 am - 5:20 pmONT  Ontario-OTP Bucharest Otopeni Intl
25h 20m2 stops Seattle/Tacoma Intl Amsterdam Schiphol
$1,054Delta
Wed, Sep 9 - Thu, Sep 24
American Airlines Logo
8:15 am - 10:37 pmOTP  Bucharest Otopeni Intl-ONT Ontario
24h 22m3 stops London Heathrow Charlotte Douglas Dallas/Fort Worth
American Airlines Logo
2:22 pm - 1:20 amONT  Ontario-OTP Bucharest Otopeni Intl
24h 58m2 stops Dallas/Fort Worth London Heathrow
$1,062American Airlines
Wed, Sep 9 - Thu, Sep 24
Delta Logo
7:05 am - 5:19 pmOTP  Bucharest Otopeni Intl-ONT Ontario
20h 14m2 stops Amsterdam Schiphol Seattle/Tacoma Intl
Delta Logo
12:18 pm - 5:40 pmONT  Ontario-OTP Bucharest Otopeni Intl
19h 22m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol
$1,077Delta
Tue, Sep 22 - Fri, Oct 9

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British Airways flights from Bucharest to Ontario

Our best British Airways deals on Bucharest to Ontario flight tickets
British Airways
Aug 28
OTP8:15 amBucharest Otopeni Intl
24h 44m
2 stops
ONT10:59 pmOntario
Sep 13
ONT10:25 amOntario
28h 25m
2 stops
OTP12:50 amBucharest Otopeni Intl
$1,130
British Airways
Sep 11
OTP8:15 amBucharest Otopeni Intl
21h 52m
2 stops
ONT8:07 pmOntario
Sep 28
ONT1:04 pmOntario
18h 16m
2 stops
OTP5:20 pmBucharest Otopeni Intl
$1,172
British Airways
Oct 2
OTP8:15 amBucharest Otopeni Intl
21h 54m
2 stops
ONT8:09 pmOntario
Oct 16
ONT1:05 pmOntario
20h 00m
2 stops
OTP7:05 pmBucharest Otopeni Intl
$1,179

Qatar Airways flights from Bucharest to Ontario

Our best Qatar Airways deals on Bucharest to Ontario flight tickets
Qatar Airways
Sep 21
OTP5:10 pmBucharest Otopeni Intl
55h 06m
2 stops
ONT2:16 pmOntario
Oct 2
ONT7:59 pmOntario
49h 46m
2 stops
OTP7:45 amBucharest Otopeni Intl
$996
Qatar Airways
Sep 10
OTP5:10 pmBucharest Otopeni Intl
40h 14m
2 stops
ONT11:24 pmOntario
Sep 25
ONT3:14 pmOntario
54h 31m
2 stops
OTP7:45 amBucharest Otopeni Intl
$997
Qatar Airways
Sep 24
OTP5:10 pmBucharest Otopeni Intl
35h 53m
2 stops
ONT7:03 pmOntario
Oct 7
ONT11:13 amOntario
34h 32m
2 stops
OTP7:45 amBucharest Otopeni Intl
$998

momondo Fare Finder

 
Customize your flight search to find flights from Bucharest to Ontario 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 August 8, 2026.
Use the filters below to find and compare flights from Bucharest to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BucharestOntario

OTP Bucharest Otopeni Intl - ONT Ontario

OTPONT

Bucharest Otopeni Intl

Mon 9/21

5:10 pm-2:16 pm

2 stops55h 06m

Ontario

Fri 10/2

7:59 pm-7:45 am

2 stops49h 46m

$996

BucharestOntario

OTP Bucharest Otopeni Intl - ONT Ontario

OTPONT

Bucharest Otopeni Intl

Thu 9/10

5:10 pm-11:24 pm

2 stops40h 14m

Ontario

Fri 9/25

3:14 pm-7:45 am

2 stops54h 31m

$997

BucharestOntario

OTP Bucharest Otopeni Intl - ONT Ontario

OTPONT

Bucharest Otopeni Intl

Thu 9/24

5:10 pm-7:03 pm

2 stops35h 53m

Ontario

Wed 10/7

11:13 am-7:45 am

2 stops34h 32m

$998

BucharestOntario

OTP Bucharest Otopeni Intl - ONT Ontario

OTPONT

Bucharest Otopeni Intl

Sun 9/27

10:40 am-2:16 pm

2 stops61h 36m

Ontario

Wed 10/7

2:13 pm-7:45 am

2 stops55h 32m

$999

BucharestOntario

OTP Bucharest Otopeni Intl - ONT Ontario

OTPONT

Bucharest Otopeni Intl

Thu 9/10

5:10 pm-11:24 pm

2 stops40h 14m

Ontario

Sat 9/19

12:12 pm-7:45 am

2 stops33h 33m

$1,017

BucharestOntario

OTP Bucharest Otopeni Intl - ONT Ontario

OTPONT

Bucharest Otopeni Intl

Fri 9/25

10:40 am-7:03 pm

2 stops42h 23m

Ontario

Fri 10/2

7:59 pm-7:45 am

2 stops49h 46m

$1,018

BucharestOntario

OTP Bucharest Otopeni Intl - ONT Ontario

OTPONT

Bucharest Otopeni Intl

Fri 9/11

6:05 am-8:01 pm

3 stops23h 56m

Ontario

Mon 9/28

9:25 am-6:35 pm

2 stops23h 10m

$1,048

BucharestOntario

OTP Bucharest Otopeni Intl - ONT Ontario

OTPONT

Bucharest Otopeni Intl

Wed 9/9

7:05 am-8:24 pm

2 stops23h 19m

Ontario

Thu 9/24

6:00 am-5:20 pm

2 stops25h 20m

$1,054

BucharestOntario

OTP Bucharest Otopeni Intl - ONT Ontario

OTPONT

Bucharest Otopeni Intl

Wed 9/9

8:15 am-10:37 pm

3 stops24h 22m

Ontario

Thu 9/24

2:22 pm-1:20 am

2 stops24h 58m

$1,062
Quickest round-trip

BucharestOntario

OTP Bucharest Otopeni Intl - ONT Ontario

OTPONT

Bucharest Otopeni Intl

Tue 9/22

7:05 am-5:19 pm

2 stops20h 14m

Ontario

Fri 10/9

12:18 pm-5:40 pm

2 stops19h 22m

$1,077

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 Los Angeles from

How to get the cheapest flight ticket from Bucharest to Ontario

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 airline that flies from Bucharest to Ontario?

British Airways, Qatar Airways, and Air Serbia are the most popular carriers operating from Bucharest to Ontario

What airlines fly to Ontario?

Turkish Airlines, KLM and LOT are the top three most popular airlines that fly to Ontario from Bucharest according to our data. Turkish Airlines is the first choice among our users, with 55% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 6 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

When to book flights from Bucharest to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Bucharest to Ontario according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Bucharest to Ontario (BUH to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Bucharest to Ontario

Fastest flight time

20h 00m

Direct flights

None
The fastest flight from Bucharest to Ontario takes 20h 00m
There are no direct flights from Bucharest to Ontario. There are no popular flight routes from Bucharest to Ontario.
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Frequently asked questions about flying from Bucharest to Ontario

  • How far is Bucharest to Ontario by plane?

    A flight from Bucharest to Ontario will travel around 6550.5 mi. Typically, this will take 20h 00m by plane in normal conditions.

  • When did momondo last update prices for flights from Bucharest to Ontario Airport?

    Prices for flights from Bucharest to Ontario Airport were last updated today.

  • How old do you have to be to fly from Bucharest to Ontario Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Bucharest to Ontario Airport.

  • What documentation or ID do you need to fly to Ontario Airport?

    The travel and health documents you'll need for your trip to Ontario Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

Finding the right flight to Ontario from Bucharest is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Ontario quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for Bucharest to Ontario flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between Bucharest and Ontario by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes. momondo can track prices for Bucharest to Ontario flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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