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Cheap flights from Ontario to Bucharest from $450

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Ontario to Bucharest

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:18 pm - 3:50 pmONT  Ontario-OTP Bucharest Otopeni Intl
17h 32m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle
Multiple Airlines Logo
6:00 am - 4:22 pmOTP  Bucharest Otopeni Intl-ONT Ontario
20h 22m2 stops Amsterdam Schiphol Salt Lake City
$720Multiple Airlines
Wed, Nov 25 - Wed, Dec 9
United Airlines Logo
1:24 pm - 6:35 pmONT  Ontario-OTP Bucharest Otopeni Intl
19h 11m2 stops Denver Intl Munich Franz Josef Strauss
United Airlines Logo
6:00 am - 6:01 pmOTP  Bucharest Otopeni Intl-ONT Ontario
22h 01m2 stops Munich Franz Josef Strauss San Francisco
$753United Airlines
Mon, Sep 28 - Tue, Nov 3
United Airlines Logo
11:10 am - 6:35 pmONT  Ontario-OTP Bucharest Otopeni Intl
21h 25m2 stops San Francisco Munich Franz Josef Strauss
United Airlines Logo
6:00 am - 8:15 pmOTP  Bucharest Otopeni Intl-ONT Ontario
23h 15m2 stops Munich Franz Josef Strauss San Francisco
$754United Airlines
Tue, Oct 13 - Tue, Oct 27
United Airlines Logo
11:10 am - 4:20 pmONT  Ontario-OTP Bucharest Otopeni Intl
19h 10m2 stops San Francisco Frankfurt am Main
United Airlines Logo
6:00 am - 6:47 pmOTP  Bucharest Otopeni Intl-ONT Ontario
22h 47m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl
$766United Airlines
Tue, Sep 29 - Tue, Nov 3
Delta Logo
6:00 am - 5:00 pmONT  Ontario-OTP Bucharest Otopeni Intl
25h 00m2 stops Salt Lake City Amsterdam Schiphol
Delta Logo
6:00 am - 4:30 pmOTP  Bucharest Otopeni Intl-ONT Ontario
20h 30m2 stops Amsterdam Schiphol Salt Lake City
$774Delta
Sun, Nov 1 - Sat, Nov 14
American Airlines Logo
2:22 pm - 12:05 amONT  Ontario-OTP Bucharest Otopeni Intl
23h 43m2 stops Dallas/Fort Worth London Heathrow
American Airlines Logo
7:35 am - 10:57 pmOTP  Bucharest Otopeni Intl-ONT Ontario
25h 22m3 stops London Heathrow Philadelphia Dallas/Fort Worth
$778American Airlines
Sun, Nov 1 - Sat, Nov 14
United Airlines Logo
5:00 am - 6:35 pmONT  Ontario-OTP Bucharest Otopeni Intl
27h 35m2 stops Denver Intl Munich Franz Josef Strauss
United Airlines Logo
1:45 pm - 10:51 pmOTP  Bucharest Otopeni Intl-ONT Ontario
19h 06m2 stops Frankfurt am Main San Francisco
$783United Airlines
Mon, Oct 5 - Wed, Oct 14
United Airlines Logo
1:56 pm - 6:35 pmONT  Ontario-OTP Bucharest Otopeni Intl
42h 39m2 stops San Francisco Munich Franz Josef Strauss
United Airlines Logo
6:55 pm - 10:49 pmOTP  Bucharest Otopeni Intl-ONT Ontario
37h 54m2 stops Vienna Intl Chicago O'Hare Intl
$797United Airlines
Mon, Sep 21 - Mon, Oct 5
United Airlines Logo
9:25 am - 1:00 amONT  Ontario-OTP Bucharest Otopeni Intl
29h 35m2 stops San Francisco Munich Franz Josef Strauss
United Airlines Logo
7:10 pm - 12:34 pmOTP  Bucharest Otopeni Intl-ONT Ontario
51h 24m3 stops Vienna Intl Chicago O'Hare Intl Denver Intl
$798United Airlines
Thu, Nov 26 - Thu, Dec 10
United Airlines Logo
4:17 pm - 6:30 pmONT  Ontario-OTP Bucharest Otopeni Intl
40h 13m2 stops San Francisco Munich Franz Josef Strauss
United Airlines Logo
7:10 pm - 12:34 pmOTP  Bucharest Otopeni Intl-ONT Ontario
51h 24m3 stops Vienna Intl Chicago O'Hare Intl Denver Intl
$799United Airlines
Sun, Nov 22 - Sun, Dec 6

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American Airlines flights from Ontario to Bucharest Otopeni Intl Airport

Our best American Airlines deals on Ontario to Bucharest Otopeni Intl Airport flight tickets
American Airlines
Nov 1
ONT2:22 pmOntario
23h 43m
2 stops
OTP12:05 amBucharest Otopeni Intl
Nov 14
OTP7:35 amBucharest Otopeni Intl
25h 22m
3 stops
ONT10:57 pmOntario
$778
American Airlines
Sep 8
ONT2:27 pmOntario
24h 53m
2 stops
OTP1:20 amBucharest Otopeni Intl
Sep 17
OTP8:15 amBucharest Otopeni Intl
25h 21m
2 stops
ONT11:36 pmOntario
$854

British Airways flights from Ontario to Bucharest Otopeni Intl Airport

Our best British Airways deals on Ontario to Bucharest Otopeni Intl Airport flight tickets
British Airways
Feb 18
ONT10:31 amOntario
19h 14m
2 stops
OTP3:45 pmBucharest Otopeni Intl
Mar 4
OTP8:15 amBucharest Otopeni Intl
20h 54m
2 stops
ONT7:09 pmOntario
$942
British Airways
Jan 21
ONT10:31 amOntario
19h 14m
2 stops
OTP3:45 pmBucharest Otopeni Intl
Feb 4
OTP8:15 amBucharest Otopeni Intl
24h 30m
2 stops
ONT10:45 pmOntario
$943
British Airways
Jan 21
ONT10:31 amOntario
19h 14m
2 stops
OTP3:45 pmBucharest Otopeni Intl
Feb 4
OTP8:15 amBucharest Otopeni Intl
24h 30m
2 stops
ONT10:45 pmOntario
$959

momondo Fare Finder

 
Use the filters below to find and compare flights from Ontario to Bucharest Otopeni Intl Airport that are best for you.

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Cheapest round-trip
Quickest round-trip

OntarioBucharest

ONT Ontario - OTP Bucharest Otopeni Intl

ONTOTP

Ontario

Wed 11/25

12:18 pm-3:50 pm

2 stops17h 32m

Bucharest Otopeni Intl

Wed 12/9

6:00 am-4:22 pm

2 stops20h 22m

$720

OntarioBucharest

ONT Ontario - OTP Bucharest Otopeni Intl

ONTOTP

Ontario

Mon 9/28

1:24 pm-6:35 pm

2 stops19h 11m

Bucharest Otopeni Intl

Tue 11/3

6:00 am-6:01 pm

2 stops22h 01m

$753

OntarioBucharest

ONT Ontario - OTP Bucharest Otopeni Intl

ONTOTP

Ontario

Tue 10/13

11:10 am-6:35 pm

2 stops21h 25m

Bucharest Otopeni Intl

Tue 10/27

6:00 am-8:15 pm

2 stops23h 15m

$754

OntarioBucharest

ONT Ontario - OTP Bucharest Otopeni Intl

ONTOTP

Ontario

Tue 9/29

11:10 am-4:20 pm

2 stops19h 10m

Bucharest Otopeni Intl

Tue 11/3

6:00 am-6:47 pm

2 stops22h 47m

$766

OntarioBucharest

ONT Ontario - OTP Bucharest Otopeni Intl

ONTOTP

Ontario

Sun 11/1

6:00 am-5:00 pm

2 stops25h 00m

Bucharest Otopeni Intl

Sat 11/14

6:00 am-4:30 pm

2 stops20h 30m

$774

OntarioBucharest

ONT Ontario - OTP Bucharest Otopeni Intl

ONTOTP

Ontario

Sun 11/1

2:22 pm-12:05 am

2 stops23h 43m

Bucharest Otopeni Intl

Sat 11/14

7:35 am-10:57 pm

3 stops25h 22m

$778

OntarioBucharest

ONT Ontario - OTP Bucharest Otopeni Intl

ONTOTP

Ontario

Mon 10/5

5:00 am-6:35 pm

2 stops27h 35m

Bucharest Otopeni Intl

Wed 10/14

1:45 pm-10:51 pm

2 stops19h 06m

$783

OntarioBucharest

ONT Ontario - OTP Bucharest Otopeni Intl

ONTOTP

Ontario

Mon 9/21

1:56 pm-6:35 pm

2 stops42h 39m

Bucharest Otopeni Intl

Mon 10/5

6:55 pm-10:49 pm

2 stops37h 54m

$797

OntarioBucharest

ONT Ontario - OTP Bucharest Otopeni Intl

ONTOTP

Ontario

Thu 11/26

9:25 am-1:00 am

2 stops29h 35m

Bucharest Otopeni Intl

Thu 12/10

7:10 pm-12:34 pm

3 stops51h 24m

$798

OntarioBucharest

ONT Ontario - OTP Bucharest Otopeni Intl

ONTOTP

Ontario

Sun 11/22

4:17 pm-6:30 pm

2 stops40h 13m

Bucharest Otopeni Intl

Sun 12/6

7:10 pm-12:34 pm

3 stops51h 24m

$799

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
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See travel insights to Bucharest from

How to get the cheapest flight ticket from Ontario 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 airline that flies from Ontario to Bucharest Otopeni Intl?

British Airways, United Airlines, and Lufthansa are the most popular carriers operating from Ontario to Bucharest Otopeni Intl

What airlines fly to Bucharest Otopeni Intl Airport?

Lufthansa, Turkish Airlines and British Airways are the top three most popular airlines that fly to Bucharest Otopeni Intl Airport from Ontario according to our data. Lufthansa is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Bucharest Otopeni Intl Airport. Keep in mind that there are 10 different airlines that fly to Bucharest Otopeni Intl Airport on a routine basis, so you have a few additional options to choose from.

When to book flights from Ontario to Bucharest Otopeni Intl Airport

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

Cheap Ontario to Bucharest Otopeni Intl Airport (ONT to OTP) flight deals and tips

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

Best Price Found

$450

Fastest flight time

17h 32m

Direct flights

None
The best one-way flight to Bucharest Otopeni Intl Airport from Ontario in the past 72 hours is $450. The best round-trip flight deal from Ontario to Bucharest Otopeni Intl Airport found on momondo in the last 72 hours is $720.
The fastest flight from Ontario to Bucharest Otopeni Intl Airport takes 17h 32m
There are no direct flights from Ontario to Bucharest Otopeni Intl Airport. There are no popular flight routes from Ontario to Bucharest Otopeni Intl Airport.
Search flight deals

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

  • How far is Ontario to Bucharest Otopeni Intl by plane?

    Ontario and Bucharest Otopeni Intl are 6542.2 mi apart from one another. By plane, this route typically takes 17h 32m.

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

    Prices for flights from Ontario Airport to Bucharest Otopeni Intl Airport are updated daily.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ontario Airport 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.

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 Ontario to Bucharest?

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

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

Flights from Ontario to Bucharest with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo helps you find the best flight between Ontario and Bucharest 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 Ontario to Bucharest right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Bucharest, momondo offers a useful price alert feature which will track prices for flights to Bucharest from Ontario and alert you when they change.

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