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

Prices for flights from Ontario Airport to Romania refresh daily.

How many operators does momondo search for flights from Ontario Airport to Romania?

The number of operators available for flights from Ontario Airport to Romania is 1 as of April 2026.

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

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 Romania.

What documentation or ID do you need to fly to Romania?

The necessary travel and health documents for your Romania 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.

$384 Cheap Flights from Ontario to Romania in 2026

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Find the cheapest flights from Ontario to Romania

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 am - 12:00 pm

ONT

OTP

19h 00m

2 stops

6:15 am - 6:11 pm

OTP

ONT

21h 56m

2 stops

$754United Airlines

Sun, Sep 13 - Tue, Sep 22

9:39 am - 4:20 pm

ONT

OTP

20h 41m

2 stops

6:05 am - 8:16 pm

OTP

ONT

24h 11m

2 stops

$765United Airlines

Wed, Oct 7 - Thu, Oct 15

11:20 am - 6:35 pm

ONT

OTP

21h 15m

2 stops

6:05 am - 8:16 pm

OTP

ONT

24h 11m

2 stops

$783United Airlines

Tue, Oct 6 - Thu, Oct 15

5:00 am - 5:25 pm

ONT

CLJ

26h 25m

2 stops

6:00 am - 10:58 pm

CLJ

ONT

26h 58m

2 stops

$783United Airlines

Mon, Sep 7 - Thu, Sep 10

11:20 am - 6:35 pm

ONT

OTP

21h 15m

2 stops

7:10 pm - 10:26 pm

OTP

ONT

37h 16m

2 stops

$788United Airlines

Thu, Oct 22 - Thu, Nov 5

4:03 pm - 11:50 pm

ONT

OTP

21h 47m

2 stops

6:05 am - 8:16 pm

OTP

ONT

24h 11m

2 stops

$796United Airlines

Mon, Oct 5 - Thu, Oct 15

10:25 am - 3:25 pm

ONT

OTP

19h 00m

2 stops

8:15 am - 6:57 pm

OTP

ONT

20h 42m

2 stops

$820Multiple Airlines

Tue, Sep 22 - Tue, Oct 6

4:59 pm - 12:20 am

ONT

OTP

21h 21m

2 stops

8:15 am - 9:08 pm

OTP

ONT

22h 53m

2 stops

$835British Airways

Wed, Sep 9 - Thu, Sep 17

9:10 pm - 9:05 am

ONT

CLJ

25h 55m

2 stops

9:55 am - 8:13 pm

CLJ

ONT

44h 18m

2 stops

$1,570Turkish Airlines

Fri, Oct 2 - Mon, Oct 5

10:41 pm - 9:05 am

ONT

CLJ

24h 24m

2 stops

9:05 pm - 8:47 pm

CLJ

ONT

57h 42m

2 stops

$1,933Turkish Airlines

Fri, May 22 - Sun, May 24

United Airlines flights from Ontario to Romania

Our best United Airlines deals on Ontario to Romania flight tickets

United Airlines

Sep 13

ONT7:00 amOntario

19h 00m

2 stops

OTP12:00 pmBucharest Otopeni Intl

Sep 22

OTP6:15 amBucharest Otopeni Intl

21h 56m

2 stops

ONT6:11 pmOntario

$754

United Airlines

Oct 7

ONT9:39 amOntario

20h 41m

2 stops

OTP4:20 pmBucharest Otopeni Intl

Oct 15

OTP6:05 amBucharest Otopeni Intl

24h 11m

2 stops

ONT8:16 pmOntario

$765

United Airlines

Oct 6

ONT11:20 amOntario

21h 15m

2 stops

OTP6:35 pmBucharest Otopeni Intl

Oct 15

OTP6:05 amBucharest Otopeni Intl

24h 11m

2 stops

ONT8:16 pmOntario

$783

British Airways flights from Ontario to Romania

Our best British Airways deals on Ontario to Romania flight tickets

British Airways

Sep 9

ONT4:59 pmOntario

21h 21m

2 stops

OTP12:20 amBucharest Otopeni Intl

Sep 17

OTP8:15 amBucharest Otopeni Intl

22h 53m

2 stops

ONT9:08 pmOntario

$835

British Airways

Oct 23

ONT12:35 pmOntario

25h 15m

2 stops

OTP11:50 pmBucharest Otopeni Intl

Nov 6

OTP8:00 amBucharest Otopeni Intl

24h 23m

2 stops

ONT10:23 pmOntario

$871

British Airways

Sep 23

ONT4:59 pmOntario

21h 21m

2 stops

OTP12:20 amBucharest Otopeni Intl

Oct 7

OTP8:15 amBucharest Otopeni Intl

24h 51m

2 stops

ONT11:06 pmOntario

$927

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioBucharest

ONT - OTP

ONTOTP

Ontario

Sun 9/13

7:00 am-12:00 pm

2 stops19h 00m

Bucharest Otopeni Intl

Tue 9/22

6:15 am-6:11 pm

2 stops21h 56m

$754

OntarioBucharest

ONT - OTP

ONTOTP

Ontario

Wed 10/7

9:39 am-4:20 pm

2 stops20h 41m

Bucharest Otopeni Intl

Thu 10/15

6:05 am-8:16 pm

2 stops24h 11m

$765

OntarioBucharest

ONT - OTP

ONTOTP

Ontario

Tue 10/6

11:20 am-6:35 pm

2 stops21h 15m

Bucharest Otopeni Intl

Thu 10/15

6:05 am-8:16 pm

2 stops24h 11m

$783

OntarioCluj Napoca

ONT - CLJ

ONTCLJ

Ontario

Mon 9/7

5:00 am-5:25 pm

2 stops26h 25m

Cluj Napoca

Thu 9/10

6:00 am-10:58 pm

2 stops26h 58m

$783

OntarioBucharest

ONT - OTP

ONTOTP

Ontario

Thu 10/22

11:20 am-6:35 pm

2 stops21h 15m

Bucharest Otopeni Intl

Thu 11/5

7:10 pm-10:26 pm

2 stops37h 16m

$788

OntarioBucharest

ONT - OTP

ONTOTP

Ontario

Mon 10/5

4:03 pm-11:50 pm

2 stops21h 47m

Bucharest Otopeni Intl

Thu 10/15

6:05 am-8:16 pm

2 stops24h 11m

$796

Quickest round-trip

OntarioBucharest

ONT - OTP

ONTOTP

Ontario

Tue 9/22

10:25 am-3:25 pm

2 stops19h 00m

Bucharest Otopeni Intl

Tue 10/6

8:15 am-6:57 pm

2 stops20h 42m

$820

OntarioBucharest

ONT - OTP

ONTOTP

Ontario

Wed 9/9

4:59 pm-12:20 am

2 stops21h 21m

Bucharest Otopeni Intl

Thu 9/17

8:15 am-9:08 pm

2 stops22h 53m

$835

OntarioCluj Napoca

ONT - CLJ

ONTCLJ

Ontario

Fri 10/2

9:10 pm-9:05 am

2 stops25h 55m

Cluj Napoca

Mon 10/5

9:55 am-8:13 pm

2 stops44h 18m

$1,570

OntarioCluj Napoca

ONT - CLJ

ONTCLJ

Ontario

Fri 5/22

10:41 pm-9:05 am

2 stops24h 24m

Cluj Napoca

Sun 5/24

9:05 pm-8:47 pm

2 stops57h 42m

$1,933

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ontario to Romania

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 Romania?

United Airlines is the most popular carrier operating from Ontario to Romania

What airlines fly to Romania?

Lufthansa, Turkish Airlines and United Airlines are the top three most popular airlines that fly to Romania from Ontario according to our data. Lufthansa is the first choice among our users, with 63% of people opting to fly with this airline when traveling to Romania. Keep in mind that there are 11 different airlines that fly to Romania on a routine basis, so you have a few additional options to choose from.

Cheap Ontario to Romania flight deals and tips

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

Fastest flight time	19h 00m
Direct flights	None

The fastest flight from Ontario to Romania takes 19h 00m

There are no direct flights from Ontario to Romania. There are no popular flight routes from Ontario to Romania.

Search flight deals

Frequently asked questions about flying from Ontario to Romania

When did momondo last update prices for flights from Ontario Airport to Romania?
Prices for flights from Ontario Airport to Romania refresh daily.
How many operators does momondo search for flights from Ontario Airport to Romania?
The number of operators available for flights from Ontario Airport to Romania is 1 as of April 2026.
How old do you have to be to fly from Ontario Airport to Romania?
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 Romania.
What documentation or ID do you need to fly to Romania?
The necessary travel and health documents for your Romania 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 Ontario to Romania

Compare and see reviews for airlines that fly from Ontario to Romania with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $539	Free Cancellation	Rating 7.4 9,672 reviews		Search United Airlines flights

Why use momondo?

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

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

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

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

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

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 Romania from Ontario.

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

If you are not ready to book a flight from Ontario to Romania now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Romania and let you know when they change.