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 66% 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 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.

$488 Cheap Flights from Ontario to Cluj Napoca in 2025/26

1 adult

0 bags

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Find the cheapest flights from Ontario to Cluj Napoca

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 1:40 pm

ONT

CLJ

21h 40m2 stops

6:00 am - 5:43 pm

CLJ

ONT

21h 43m2 stops

$546United Airlines

Thu, Jan 22 - Mon, Jan 26

1:50 pm - 1:40 pm

ONT

CLJ

37h 50m2 stops

6:00 am - 5:41 pm

CLJ

ONT

21h 41m2 stops

$615United Airlines

Fri, Feb 20 - Wed, Mar 4

6:00 am - 1:40 pm

ONT

CLJ

21h 40m2 stops

6:00 am - 10:53 pm

CLJ

ONT

26h 53m2 stops

$1,012United Airlines

Sat, Jan 3 - Thu, Jan 29

United Airlines flights from Ontario to Cluj Napoca

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

United Airlines

Jan 19

ONT6:00 amOntario

21h 40m

2 stops

CLJ1:40 pmCluj Napoca

Feb 3

CLJ6:00 amCluj Napoca

21h 55m

2 stops

ONT5:55 pmOntario

$488

Find similar

United Airlines

Jan 22

ONT5:05 amOntario

22h 35m

2 stops

CLJ1:40 pmCluj Napoca

Jan 26

CLJ6:00 amCluj Napoca

24h 58m

2 stops

ONT8:58 pmOntario

$546

Find similar

United Airlines

Dec 28

ONT10:42 amOntario

16h 58m

2 stops

CLJ1:40 pmCluj Napoca

Jun 16

CLJ6:00 amCluj Napoca

21h 18m

2 stops

ONT5:18 pmOntario

$696

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OntarioCluj Napoca

ONT - CLJ

ONTCLJ

Ontario

Thu 1/22

6:00 am-1:40 pm

2 stops21h 40m

Cluj Napoca

Mon 1/26

6:00 am-5:43 pm

2 stops21h 43m

$546

OntarioCluj Napoca

ONT - CLJ

ONTCLJ

Ontario

Fri 2/20

1:50 pm-1:40 pm

2 stops37h 50m

Cluj Napoca

Wed 3/4

6:00 am-5:41 pm

2 stops21h 41m

$615

OntarioCluj Napoca

ONT - CLJ

ONTCLJ

Ontario

Sat 1/3

6:00 am-1:40 pm

2 stops21h 40m

Cluj Napoca

Thu 1/29

6:00 am-10:53 pm

2 stops26h 53m

$1,012

Flights are sorted by cheapest round-trip flights first.

Sorted 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

Prices

Airlines

What is the cheapest day to depart on your flight to Cluj Napoca?

According to our data, Wednesday is the cheapest day to fly to Cluj Napoca from Ontario. The lowest ticket price found for a Wednesday departure recently was $781. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Cluj Napoca on Sunday is $974.

What is the cheapest time of day to depart on your flight to Cluj Napoca?

The cheapest time of day to fly to Cluj Napoca is in the evening when flights can be purchased for as low as $778. Try not to purchase tickets at noon because they tend to be around $904. Of course, these prices can vary depending on the time of year and what airport you fly to.

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	22h 35m
Direct flights	None

The fastest flight from Ontario to Cluj Napoca takes 22h 35m

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 22h 35m.
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.