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.

$607 Cheap Flights from Ontario to Cluj Napoca in 2026/27

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.

11:10 am - 5:25 pmONT Ontario-CLJ Cluj Napoca

20h 15m2 stops San Francisco Munich Franz Josef Strauss

6:10 am - 9:40 pmCLJ Cluj Napoca-ONT Ontario

25h 30m2 stops Munich Franz Josef Strauss Houston George Bush Intcntl

$767United Airlines

Wed, Oct 21 - Sat, Nov 14

1:24 pm - 5:25 pmONT Ontario-CLJ Cluj Napoca

42h 01m2 stops Denver Intl Munich Franz Josef Strauss

2:35 pm - 10:48 pmCLJ Cluj Napoca-ONT Ontario

18h 13m2 stops Munich Franz Josef Strauss San Francisco

$823United Airlines

Thu, Oct 22 - Sun, Nov 15

8:03 pm - 1:10 pmONT Ontario-CLJ Cluj Napoca

31h 07m3 stops Dallas/Fort Worth Toronto Pearson Intl Munich Franz Josef Strauss

6:10 am - 7:08 pmCLJ Cluj Napoca-ONT Ontario

21h 58m3 stops Munich Franz Josef Strauss Frankfurt am Main Dallas/Fort Worth

$1,147Multiple Airlines

Fri, Oct 9 - Fri, Oct 30

9:25 am - 1:50 pmONT Ontario-CLJ Cluj Napoca

18h 25m2 stops San Francisco Munich Franz Josef Strauss

2:35 pm - 10:48 pmCLJ Cluj Napoca-ONT Ontario

18h 13m2 stops Munich Franz Josef Strauss San Francisco

$1,187Lufthansa

Mon, Nov 16 - Fri, Nov 20

11:20 am - 1:50 pmONT Ontario-CLJ Cluj Napoca

16h 30m2 stops San Francisco Munich Franz Josef Strauss

6:10 am - 5:36 pmCLJ Cluj Napoca-ONT Ontario

21h 26m2 stops Munich Franz Josef Strauss San Francisco

$1,191United Airlines

Mon, Dec 7 - Fri, Dec 11

11:20 am - 1:50 pmONT Ontario-CLJ Cluj Napoca

16h 30m2 stops San Francisco Munich Franz Josef Strauss

6:10 am - 5:36 pmCLJ Cluj Napoca-ONT Ontario

21h 26m2 stops Munich Franz Josef Strauss San Francisco

$1,192United Airlines

Mon, Dec 7 - Fri, Dec 11

6:40 pm - 1:50 pmONT Ontario-CLJ Cluj Napoca

33h 10m3 stops San Francisco Boston Logan Intl Munich Franz Josef Strauss

6:10 am - 8:38 pmCLJ Cluj Napoca-ONT Ontario

24h 28m2 stops Munich Franz Josef Strauss San Francisco

$1,209United Airlines

Mon, Dec 7 - Fri, Dec 11

6:40 pm - 1:50 pmONT Ontario-CLJ Cluj Napoca

33h 10m3 stops San Francisco Boston Logan Intl Munich Franz Josef Strauss

6:10 am - 8:38 pmCLJ Cluj Napoca-ONT Ontario

24h 28m2 stops Munich Franz Josef Strauss San Francisco

$1,210United Airlines

Mon, Dec 7 - Fri, Dec 11

11:05 pm - 8:15 pmONT Ontario-CLJ Cluj Napoca

35h 10m2 stops New York John F Kennedy Intl Istanbul

9:55 am - 10:20 pmCLJ Cluj Napoca-ONT Ontario

21h 25m2 stops Istanbul Denver Intl

$1,622Multiple Airlines

Fri, Oct 9 - Fri, Oct 30

2:13 pm - 8:15 pmONT Ontario-CLJ Cluj Napoca

20h 02m2 stops Seattle/Tacoma Intl Istanbul

9:55 am - 10:17 amCLJ Cluj Napoca-ONT Ontario

33h 22m2 stops Istanbul Seattle/Tacoma Intl

$1,706Multiple Airlines

Thu, Oct 8 - Wed, Oct 28

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

United Airlines flights from Ontario to Cluj Napoca

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

United Airlines

Oct 21

ONT11:10 amOntario

20h 15m

2 stops

CLJ5:25 pmCluj Napoca

Nov 14

CLJ6:10 amCluj Napoca

25h 30m

2 stops

ONT9:40 pmOntario

$767

United Airlines

Oct 22

ONT1:24 pmOntario

42h 01m

2 stops

CLJ5:25 pmCluj Napoca

Nov 15

CLJ2:35 pmCluj Napoca

18h 13m

2 stops

ONT10:48 pmOntario

$823

United Airlines

Sep 22

ONT9:01 amOntario

42h 09m

2 stops

CLJ1:10 pmCluj Napoca

Sep 30

CLJ1:50 pmCluj Napoca

42h 59m

2 stops

ONT10:49 pmOntario

$967

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioCluj Napoca

ONT Ontario - CLJ Cluj Napoca

ONTCLJ

Ontario

Wed 10/21

11:10 am-5:25 pm

2 stops20h 15m

Cluj Napoca

Sat 11/14

6:10 am-9:40 pm

2 stops25h 30m

$767

OntarioCluj Napoca

ONT Ontario - CLJ Cluj Napoca

ONTCLJ

Ontario

Thu 10/22

1:24 pm-5:25 pm

2 stops42h 01m

Cluj Napoca

Sun 11/15

2:35 pm-10:48 pm

2 stops18h 13m

$823

OntarioCluj Napoca

ONT Ontario - CLJ Cluj Napoca

ONTCLJ

Ontario

Fri 10/9

8:03 pm-1:10 pm

3 stops31h 07m

Cluj Napoca

Fri 10/30

6:10 am-7:08 pm

3 stops21h 58m

$1,147

Quickest round-trip

OntarioCluj Napoca

ONT Ontario - CLJ Cluj Napoca

ONTCLJ

Ontario

Mon 11/16

9:25 am-1:50 pm

2 stops18h 25m

Cluj Napoca

Fri 11/20

2:35 pm-10:48 pm

2 stops18h 13m

$1,187

OntarioCluj Napoca

ONT Ontario - CLJ Cluj Napoca

ONTCLJ

Ontario

Mon 12/7

11:20 am-1:50 pm

2 stops16h 30m

Cluj Napoca

Fri 12/11

6:10 am-5:36 pm

2 stops21h 26m

$1,191

OntarioCluj Napoca

ONT Ontario - CLJ Cluj Napoca

ONTCLJ

Ontario

Mon 12/7

11:20 am-1:50 pm

2 stops16h 30m

Cluj Napoca

Fri 12/11

6:10 am-5:36 pm

2 stops21h 26m

$1,192

OntarioCluj Napoca

ONT Ontario - CLJ Cluj Napoca

ONTCLJ

Ontario

Mon 12/7

6:40 pm-1:50 pm

3 stops33h 10m

Cluj Napoca

Fri 12/11

6:10 am-8:38 pm

2 stops24h 28m

$1,209

OntarioCluj Napoca

ONT Ontario - CLJ Cluj Napoca

ONTCLJ

Ontario

Mon 12/7

6:40 pm-1:50 pm

3 stops33h 10m

Cluj Napoca

Fri 12/11

6:10 am-8:38 pm

2 stops24h 28m

$1,210

OntarioCluj Napoca

ONT Ontario - CLJ Cluj Napoca

ONTCLJ

Ontario

Fri 10/9

11:05 pm-8:15 pm

2 stops35h 10m

Cluj Napoca

Fri 10/30

9:55 am-10:20 pm

2 stops21h 25m

$1,622

OntarioCluj Napoca

ONT Ontario - CLJ Cluj Napoca

ONTCLJ

Ontario

Thu 10/8

2:13 pm-8:15 pm

2 stops20h 02m

Cluj Napoca

Wed 10/28

9:55 am-10:17 am

2 stops33h 22m

$1,706

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 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, Turkish Airlines and United 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 60% of people opting to fly with this airline when traveling to Cluj Napoca. Keep in mind that there are 5 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

Best Price Found	$607
Fastest flight time	16h 30m
Direct flights	None

The best one-way flight to Cluj Napoca from Ontario in the past 72 hours is $607. The best round-trip flight deal from Ontario to Cluj Napoca found on momondo in the last 72 hours is $767.

The fastest flight from Ontario to Cluj Napoca takes 16h 30m

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

Search flight deals

Frequently asked questions about flying from Ontario to Cluj Napoca

How far is Ontario to Cluj Napoca by plane?
Cluj Napoca is 6350.7 mi away from Ontario. By plane, this route typically takes 16h 30m.
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.

Turda

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.