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

Prices for flights from Ontario Airport to Romania refresh daily.

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.

$391 Cheap Flights from Ontario to Romania in 2026

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 - 5:25 pm

ONT

CLJ

24h 25m

2 stops

6:00 am - 8:53 pm

CLJ

ONT

24h 53m

2 stops

$751United Airlines

Sun, Sep 13 - Tue, Sep 22

7:13 pm - 1:10 pm

ONT

CLJ

31h 57m

3 stops

6:00 am - 8:53 pm

CLJ

ONT

24h 53m

2 stops

$751United Airlines

Sun, Sep 13 - Wed, Sep 23

7:13 pm - 1:10 pm

ONT

CLJ

31h 57m

3 stops

6:00 am - 8:53 pm

CLJ

ONT

24h 53m

2 stops

$751United Airlines

Sun, Sep 13 - Tue, Sep 22

7:00 am - 5:25 pm

ONT

CLJ

24h 25m

2 stops

6:00 am - 5:51 pm

CLJ

ONT

21h 51m

2 stops

$751United Airlines

Sun, Sep 13 - Thu, Sep 24

9:01 am - 5:25 pm

ONT

CLJ

22h 24m

2 stops

6:00 am - 6:16 pm

CLJ

ONT

22h 16m

2 stops

$751United Airlines

Sun, Sep 13 - Wed, Sep 23

7:13 pm - 1:10 pm

ONT

CLJ

31h 57m

3 stops

6:00 am - 8:53 pm

CLJ

ONT

24h 53m

2 stops

$751United Airlines

Sun, Sep 13 - Tue, Sep 22

7:00 am - 5:25 pm

ONT

CLJ

24h 25m

2 stops

6:00 am - 8:53 pm

CLJ

ONT

24h 53m

2 stops

$751United Airlines

Sun, Sep 13 - Tue, Sep 22

9:01 am - 5:25 pm

ONT

CLJ

22h 24m

2 stops

6:00 am - 8:58 pm

CLJ

ONT

24h 58m

2 stops

$751United Airlines

Mon, Sep 14 - Fri, Sep 25

5:00 am - 5:25 pm

ONT

CLJ

26h 25m

2 stops

6:00 am - 8:53 pm

CLJ

ONT

24h 53m

2 stops

$751United Airlines

Sun, Sep 13 - Wed, Sep 23

6:20 am - 1:40 pm

ONT

OTP

21h 20m

2 stops

7:05 am - 10:43 pm

OTP

ONT

25h 38m

2 stops

$753Delta

Tue, Aug 25 - Wed, Oct 21

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Delta flights from Ontario to Romania

Our best Delta deals on Ontario to Romania flight tickets

Delta

Aug 25

ONT6:20 amOntario

21h 20m

2 stops

OTP1:40 pmBucharest Otopeni Intl

Oct 20

OTP7:05 amBucharest Otopeni Intl

20h 07m

2 stops

ONT5:12 pmOntario

$753

Delta

Nov 1

ONT6:20 amOntario

24h 40m

2 stops

OTP5:00 pmBucharest Otopeni Intl

Nov 14

OTP6:00 amBucharest Otopeni Intl

21h 13m

2 stops

ONT5:13 pmOntario

$778

Delta

Aug 25

ONT6:20 amOntario

21h 20m

2 stops

OTP1:40 pmBucharest Otopeni Intl

Oct 17

OTP7:05 amBucharest Otopeni Intl

20h 07m

2 stops

ONT5:12 pmOntario

$813

United Airlines flights from Ontario to Romania

Our best United Airlines deals on Ontario to Romania flight tickets

United Airlines

Sep 13

ONT5:00 amOntario

26h 25m

2 stops

CLJ5:25 pmCluj Napoca

Sep 23

CLJ6:00 amCluj Napoca

24h 53m

2 stops

ONT8:53 pmOntario

$751

United Airlines

Aug 24

ONT1:18 pmOntario

19h 17m

2 stops

OTP6:35 pmBucharest Otopeni Intl

Oct 23

OTP1:45 pmBucharest Otopeni Intl

19h 06m

2 stops

ONT10:51 pmOntario

$756

United Airlines

Aug 26

ONT7:00 amOntario

19h 50m

2 stops

OTP12:50 pmBucharest Otopeni Intl

Oct 21

OTP1:45 pmBucharest Otopeni Intl

19h 06m

2 stops

ONT10:51 pmOntario

$768

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioCluj Napoca

ONT - CLJ

ONTCLJ

Ontario

Sun 9/13

7:00 am-5:25 pm

2 stops24h 25m

Cluj Napoca

Tue 9/22

6:00 am-8:53 pm

2 stops24h 53m

$751

OntarioCluj Napoca

ONT - CLJ

ONTCLJ

Ontario

Sun 9/13

7:13 pm-1:10 pm

3 stops31h 57m

Cluj Napoca

Wed 9/23

6:00 am-8:53 pm

2 stops24h 53m

$751

OntarioCluj Napoca

ONT - CLJ

ONTCLJ

Ontario

Sun 9/13

7:13 pm-1:10 pm

3 stops31h 57m

Cluj Napoca

Tue 9/22

6:00 am-8:53 pm

2 stops24h 53m

$751

OntarioCluj Napoca

ONT - CLJ

ONTCLJ

Ontario

Sun 9/13

7:00 am-5:25 pm

2 stops24h 25m

Cluj Napoca

Thu 9/24

6:00 am-5:51 pm

2 stops21h 51m

$751

Quickest round-trip

OntarioCluj Napoca

ONT - CLJ

ONTCLJ

Ontario

Sun 9/13

9:01 am-5:25 pm

2 stops22h 24m

Cluj Napoca

Wed 9/23

6:00 am-6:16 pm

2 stops22h 16m

$751

OntarioCluj Napoca

ONT - CLJ

ONTCLJ

Ontario

Sun 9/13

7:13 pm-1:10 pm

3 stops31h 57m

Cluj Napoca

Tue 9/22

6:00 am-8:53 pm

2 stops24h 53m

$751

OntarioCluj Napoca

ONT - CLJ

ONTCLJ

Ontario

Sun 9/13

7:00 am-5:25 pm

2 stops24h 25m

Cluj Napoca

Tue 9/22

6:00 am-8:53 pm

2 stops24h 53m

$751

OntarioCluj Napoca

ONT - CLJ

ONTCLJ

Ontario

Mon 9/14

9:01 am-5:25 pm

2 stops22h 24m

Cluj Napoca

Fri 9/25

6:00 am-8:58 pm

2 stops24h 58m

$751

OntarioCluj Napoca

ONT - CLJ

ONTCLJ

Ontario

Sun 9/13

5:00 am-5:25 pm

2 stops26h 25m

Cluj Napoca

Wed 9/23

6:00 am-8:53 pm

2 stops24h 53m

$751

OntarioBucharest

ONT - OTP

ONTOTP

Ontario

Tue 8/25

6:20 am-1:40 pm

2 stops21h 20m

Bucharest Otopeni Intl

Wed 10/21

7:05 am-10:43 pm

2 stops25h 38m

$753

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?

British Airways, United Airlines, and American Airlines are the most popular carriers 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 61% of people opting to fly with this airline when traveling to Romania. Keep in mind that there are 10 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	17h 28m
Direct flights	None

The fastest flight from Ontario to Romania takes 17h 28m

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 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.

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.