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Cluj Napoca

$414+ Cheap flights from Ontario (ONT) to Cluj Napoca (CLJ)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/27. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CLJ
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Ontario to Cluj Napoca

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Cluj Napoca (CLJ). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2025.

Round-trip from

$554
(United Airlines)

One-way from

$414
(United Airlines)

Popular in

July

Cheapest in

October

Average price

$955
From Ontario to Cluj Napoca
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One-way flight from Ontario to Cluj Napoca
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Highest demand for flights based on searches. 17% potential increase in price ($167 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Ontario to Cluj Napoca

Cheapest flights from Ontario to Cluj Napoca
Explore the most affordable flight options available from Ontario to Cluj Napoca. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/295:05 amONT - CLJ
2 stops26h 10mUnited Airlines
Fri 8/296:00 amCLJ - ONT
2 stops21h 29mUnited Airlines
Deal found 6/10$554

Cheapflights Fare Finder

Customize your flight search to find flights from Ontario to Cluj Napoca that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Ontario to Cluj Napoca that are best for you.

Fly from

Ontario

Fly to

Cluj Napoca

Route

Depart

Return

Price

OntarioCluj Napoca

ONT - CLJ

ONTCLJ

Ontario

Tue 7/29

7:00 am-1:05 pm

2 stops20h 05m

Cluj Napoca

Thu 8/28

6:00 am-8:33 pm

2 stops24h 33m

$554

OntarioCluj Napoca

ONT - CLJ

ONTCLJ

Ontario

Sun 7/27

7:00 am-1:05 pm

2 stops20h 05m

$414

OntarioCluj Napoca

ONT - CLJ

ONTCLJ

Ontario

Sat 9/6

10:56 pm-5:30 pm

2 stops32h 34m

$2,670

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Best time to book a flight from Ontario to Cluj Napoca

Have a flexible travel schedule? Discover the best time to fly to Cluj Napoca from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Cluj Napoca

What is the cheapest month to book a flight from Ontario to Cluj Napoca?

Currently, January is the cheapest month in which you can book a flight from Ontario to Cluj Napoca (average of $674). Flying from Ontario to Cluj Napoca in June is currently the most expensive (average of $1,320). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Rainfall in Cluj Napoca by month

Plan your trip to Cluj Napoca by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Cluj Napoca ranges from 0.8 - 3.1 inches per month. June is typically the wettest month, when rainfall can reach 3.1 in. January is typically the driest time to visit Cluj Napoca when rainfall is around 0.8 in.

Temperature in Cluj Napoca by month

Plan your trip to Cluj Napoca by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Cluj Napoca, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 64.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.6 F).

Reviews of airlines servicing Cluj Napoca

Get insights into the airlines that provide service to Cluj Napoca. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Cluj Napoca. Reviews last updated June 12, 2025.
LOT
7.6
Good
1,077 reviews

Entertainment

7.0

Crew

8.2

Overall

7.6

Comfort

7.5

Boarding

7.6

Food

7.2

Reviews

1 / 20
2.0
Mediocre

Hinesh,May 2025

LHR - WAW

Would not recommend this airline flight was delayed baggage was lost bad communication, our bag landed at the destination airport at 12 midday but did not arrive at the hotel till midnight no urgency at all this totally ruined the first 2 days of our trip worst airline I have used.
LOT
7.6
Good
1,077 reviews
LOT
7.6
Good
1,077 reviews

Entertainment

7.0

Crew

8.2

Overall

7.6

Comfort

7.5

Boarding

7.6

Food

7.2

Reviews

1 / 20
2.0
Mediocre

Hinesh,May 2025

LHR - WAW

Would not recommend this airline flight was delayed baggage was lost bad communication, our bag landed at the destination airport at 12 midday but did not arrive at the hotel till midnight no urgency at all this totally ruined the first 2 days of our trip worst airline I have used.
United Airlines
7.4
Good
8,790 reviews
LOT
7.6
Good
1,077 reviews

Entertainment

7.0

Crew

8.2

Overall

7.6

Comfort

7.5

Boarding

7.6

Food

7.2

Reviews

1 / 20
2.0
Mediocre

Hinesh,May 2025

LHR - WAW

Would not recommend this airline flight was delayed baggage was lost bad communication, our bag landed at the destination airport at 12 midday but did not arrive at the hotel till midnight no urgency at all this totally ruined the first 2 days of our trip worst airline I have used.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Cluj Napoca. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find deals for flights from Ontario to Cluj Napoca that include hotel bookings?

    Yes. In addition to deals on Ontario to Cluj Napoca flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Cluj Napoca?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Cluj Napoca.

  • Can I find deals for business class flights from Ontario to Cluj Napoca?

    Yes. Cheapflights offers flight deals from Ontario to Cluj Napoca by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ontario to Cluj Napoca?

    Currently, January is the cheapest month in which you can book a flight from Ontario to Cluj Napoca (average of $674). Flying from Ontario to Cluj Napoca in June is currently the most expensive (average of $1,320). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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