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

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

How old do you have to be to fly from Ontario Airport to Cluj Napoca 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 Ontario Airport to Cluj Napoca Airport.

What documentation or ID do you need to fly to Cluj Napoca Airport?

The travel and health documents required for your trip to Cluj Napoca Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Cluj Napoca Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$485 Cheap Flights from Ontario to Cluj Napoca in 2026

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Find the cheapest flights from Ontario to Cluj Napoca

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

1:50 pm - 10:35 pm

CLJ

ONT

18h 45m

2 stops

$617United Airlines

Tue, Apr 28 - Tue, May 5

7:00 am - 5:25 pm

ONT

CLJ

24h 25m

2 stops

1:50 pm - 10:37 pm

CLJ

ONT

18h 47m

2 stops

$697United Airlines

Mon, May 4 - Wed, May 27

7:00 am - 1:10 pm

ONT

CLJ

20h 10m

2 stops

1:50 pm - 10:35 pm

CLJ

ONT

18h 45m

2 stops

$707United Airlines

Mon, May 4 - Mon, May 18

11:59 pm - 5:25 pm

ONT

CLJ

31h 26m

2 stops

6:00 am - 8:36 pm

CLJ

ONT

24h 36m

2 stops

$717United Airlines

Sat, Mar 28 - Tue, Apr 14

10:37 am - 5:25 pm

ONT

CLJ

20h 48m

2 stops

1:50 pm - 10:59 pm

CLJ

ONT

19h 09m

2 stops

$721United Airlines

Sun, May 3 - Tue, May 19

6:00 am - 5:25 pm

ONT

CLJ

25h 25m

2 stops

6:00 am - 5:28 pm

CLJ

ONT

21h 28m

2 stops

$747United Airlines

Thu, May 7 - Tue, May 26

1:30 pm - 5:25 pm

ONT

CLJ

41h 55m

2 stops

6:00 am - 10:35 pm

CLJ

ONT

26h 35m

2 stops

$753United Airlines

Fri, May 8 - Tue, May 19

6:00 am - 5:25 pm

ONT

CLJ

25h 25m

2 stops

1:50 pm - 9:58 pm

CLJ

ONT

42h 08m

2 stops

$757United Airlines

Thu, May 7 - Mon, May 18

6:59 pm - 5:25 pm

ONT

CLJ

36h 26m

2 stops

1:50 pm - 10:59 pm

CLJ

ONT

43h 09m

2 stops

$763United Airlines

Fri, May 8 - Mon, May 18

6:59 pm - 5:25 pm

ONT

CLJ

36h 26m

2 stops

1:50 pm - 5:52 pm

CLJ

ONT

62h 02m

3 stops

$779United Airlines

Sat, May 2 - Sun, May 17

United Airlines flights from Ontario to Cluj Napoca

Our best United Airlines deals on Ontario to Cluj Napoca flight tickets

United Airlines

Apr 28

ONT7:00 amOntario

24h 25m

2 stops

CLJ5:25 pmCluj Napoca

May 5

CLJ1:50 pmCluj Napoca

18h 45m

2 stops

ONT10:35 pmOntario

$617

United Airlines

May 4

ONT7:00 amOntario

24h 25m

2 stops

CLJ5:25 pmCluj Napoca

May 27

CLJ1:50 pmCluj Napoca

18h 47m

2 stops

ONT10:37 pmOntario

$697

United Airlines

May 4

ONT7:00 amOntario

20h 10m

2 stops

CLJ1:10 pmCluj Napoca

May 18

CLJ1:50 pmCluj Napoca

18h 45m

2 stops

ONT10:35 pmOntario

$707

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioCluj Napoca

ONT - CLJ

ONTCLJ

Ontario

Tue 4/28

7:00 am-5:25 pm

2 stops24h 25m

Cluj Napoca

Tue 5/5

1:50 pm-10:35 pm

2 stops18h 45m

$617

OntarioCluj Napoca

ONT - CLJ

ONTCLJ

Ontario

Mon 5/4

7:00 am-5:25 pm

2 stops24h 25m

Cluj Napoca

Wed 5/27

1:50 pm-10:37 pm

2 stops18h 47m

$697

Quickest round-trip

OntarioCluj Napoca

ONT - CLJ

ONTCLJ

Ontario

Mon 5/4

7:00 am-1:10 pm

2 stops20h 10m

Cluj Napoca

Mon 5/18

1:50 pm-10:35 pm

2 stops18h 45m

$707

OntarioCluj Napoca

ONT - CLJ

ONTCLJ

Ontario

Sat 3/28

11:59 pm-5:25 pm

2 stops31h 26m

Cluj Napoca

Tue 4/14

6:00 am-8:36 pm

2 stops24h 36m

$717

OntarioCluj Napoca

ONT - CLJ

ONTCLJ

Ontario

Sun 5/3

10:37 am-5:25 pm

2 stops20h 48m

Cluj Napoca

Tue 5/19

1:50 pm-10:59 pm

2 stops19h 09m

$721

OntarioCluj Napoca

ONT - CLJ

ONTCLJ

Ontario

Thu 5/7

6:00 am-5:25 pm

2 stops25h 25m

Cluj Napoca

Tue 5/26

6:00 am-5:28 pm

2 stops21h 28m

$747

OntarioCluj Napoca

ONT - CLJ

ONTCLJ

Ontario

Fri 5/8

1:30 pm-5:25 pm

2 stops41h 55m

Cluj Napoca

Tue 5/19

6:00 am-10:35 pm

2 stops26h 35m

$753

OntarioCluj Napoca

ONT - CLJ

ONTCLJ

Ontario

Thu 5/7

6:00 am-5:25 pm

2 stops25h 25m

Cluj Napoca

Mon 5/18

1:50 pm-9:58 pm

2 stops42h 08m

$757

OntarioCluj Napoca

ONT - CLJ

ONTCLJ

Ontario

Fri 5/8

6:59 pm-5:25 pm

2 stops36h 26m

Cluj Napoca

Mon 5/18

1:50 pm-10:59 pm

2 stops43h 09m

$763

OntarioCluj Napoca

ONT - CLJ

ONTCLJ

Ontario

Sat 5/2

6:59 pm-5:25 pm

2 stops36h 26m

Cluj Napoca

Sun 5/17

1:50 pm-5:52 pm

3 stops62h 02m

$779

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ontario to Cluj Napoca

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 Cluj Napoca?

United Airlines is the most popular carrier operating from Ontario to Cluj Napoca

What airlines fly to Cluj Napoca?

Lufthansa, United Airlines and Turkish Airlines are the top three most popular airlines that fly to Cluj Napoca from Ontario according to our data. Lufthansa is the first choice among our users, with 67% of people opting to fly with this airline when traveling to Cluj Napoca. Keep in mind that there are 4 different airlines that fly to Cluj Napoca on a routine basis, so you have a few additional options to choose from.

When to book flights from Ontario to Cluj Napoca

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Cluj Napoca according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Ontario to Cluj Napoca (ONT to CLJ) flight deals and tips

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

Fastest flight time	20h 10m
Direct flights	None

The fastest flight from Ontario to Cluj Napoca takes 20h 10m

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

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How far is Ontario to Cluj Napoca by plane?
Cluj Napoca is 6350.7 mi away from Ontario. By plane, this route typically takes 20h 10m.
When did momondo last update prices for flights from Ontario Airport to Cluj Napoca Airport?
Prices for flights from Ontario Airport to Cluj Napoca Airport were last updated today.
How old do you have to be to fly from Ontario Airport to Cluj Napoca 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 Ontario Airport to Cluj Napoca Airport.
What documentation or ID do you need to fly to Cluj Napoca Airport?
The travel and health documents required for your trip to Cluj Napoca Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Cluj Napoca Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Cluj Napoca from Ontario.

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

All flight searches from Ontario to Cluj Napoca on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Ontario to Cluj Napoca?

Once all potential Ontario to Cluj Napoca flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to Cluj Napoca from Ontario. 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.