How long does it take to fly to Ontario?

Average flight duration from Romania to Ontario depends on which airport you fly into and out of. Flying from Bucharest to Los Angeles is 16h on average, while flying from Cluj Napoca to Los Angeles is 23h 25m on average. Los Angeles is the most popular airport in Ontario.

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

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

How old do you have to be to fly from Romania to Ontario Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Romania to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The necessary travel and health documents for your Ontario Airport 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.

$969 Cheap Flights from Romania to Ontario in 2026/27

Find the cheapest flights from Romania to Los Angeles

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2:35 pm - 9:38 amCLJ Cluj Napoca-ONT Ontario

29h 03m2 stops Munich Franz Josef Strauss San Francisco

9:45 am - 1:50 pmONT Ontario-CLJ Cluj Napoca

18h 05m2 stops San Francisco Munich Franz Josef Strauss

$1,080United Airlines

Tue, Dec 1 - Sat, Feb 6

6:10 am - 9:11 pmCLJ Cluj Napoca-ONT Ontario

25h 01m2 stops Munich Franz Josef Strauss Denver Intl

7:25 am - 1:50 pmONT Ontario-CLJ Cluj Napoca

20h 25m2 stops San Francisco Munich Franz Josef Strauss

$1,086United Airlines

Fri, Dec 4 - Mon, Feb 8

9:55 am - 12:24 amCLJ Cluj Napoca-ONT Ontario

24h 29m2 stops Istanbul San Francisco

6:45 am - 10:35 pmONT Ontario-CLJ Cluj Napoca

29h 50m3 stops Denver Intl Reykjavik Keflavik Intl Dublin

$1,279Multiple Airlines

Sat, Nov 21 - Wed, Nov 25

9:55 am - 10:45 amCLJ Cluj Napoca-ONT Ontario

34h 50m3 stops Istanbul San Francisco Denver Intl

8:15 am - 8:35 pmONT Ontario-CLJ Cluj Napoca

26h 20m3 stops Las Vegas Harry Reid Intl San Francisco Istanbul

$1,292Multiple Airlines

Sat, Nov 21 - Wed, Nov 25

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

21h 26m2 stops Munich Franz Josef Strauss San Francisco

5:00 am - 1:50 pmONT Ontario-CLJ Cluj Napoca

22h 50m2 stops Denver Intl Munich Franz Josef Strauss

$1,432United Airlines

Thu, Dec 3 - Mon, Dec 7

6:10 am - 6:44 pmCLJ Cluj Napoca-ONT Ontario

22h 34m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl

5:00 am - 1:50 pmONT Ontario-CLJ Cluj Napoca

22h 50m2 stops Denver Intl Munich Franz Josef Strauss

$1,435United Airlines

Thu, Dec 3 - Mon, Dec 7

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

21h 26m2 stops Munich Franz Josef Strauss San Francisco

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

16h 30m2 stops San Francisco Munich Franz Josef Strauss

$1,523United Airlines

Thu, Dec 10 - Mon, Dec 14

2:35 pm - 10:53 pmCLJ Cluj Napoca-ONT Ontario

18h 18m2 stops Munich Franz Josef Strauss San Francisco

5:00 am - 1:50 pmONT Ontario-CLJ Cluj Napoca

22h 50m2 stops Denver Intl Munich Franz Josef Strauss

$1,854United Airlines

Sat, Dec 19 - Sat, Jan 9

6:10 am - 8:51 pmCLJ Cluj Napoca-ONT Ontario

24h 41m2 stops Munich Franz Josef Strauss Denver Intl

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

18h 25m2 stops San Francisco Munich Franz Josef Strauss

$1,933United Airlines

Sat, Nov 14 - Wed, Nov 18

6:10 am - 8:15 pmCLJ Cluj Napoca-ONT Ontario

24h 05m2 stops Munich Franz Josef Strauss San Francisco

6:00 am - 1:50 pmONT Ontario-CLJ Cluj Napoca

21h 50m2 stops San Francisco Munich Franz Josef Strauss

$1,987United Airlines

Sat, Nov 21 - Wed, Nov 25

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United Airlines flights from Romania to Ontario

Our best United Airlines deals on Romania to Ontario flight tickets

United Airlines

Dec 1

CLJ2:35 pmCluj Napoca

29h 03m

2 stops

ONT9:38 amOntario

Feb 6

ONT9:45 amOntario

18h 05m

2 stops

CLJ1:50 pmCluj Napoca

$1,080

United Airlines

Dec 4

CLJ6:10 amCluj Napoca

25h 01m

2 stops

ONT9:11 pmOntario

Feb 8

ONT7:25 amOntario

20h 25m

2 stops

CLJ1:50 pmCluj Napoca

$1,086

United Airlines

Dec 3

CLJ6:10 amCluj Napoca

21h 26m

2 stops

ONT5:36 pmOntario

Dec 7

ONT5:00 amOntario

22h 50m

2 stops

CLJ1:50 pmCluj Napoca

$1,432

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Cluj NapocaOntario

CLJ Cluj Napoca - ONT Ontario

CLJONT

Cluj Napoca

Tue 12/1

2:35 pm-9:38 am

2 stops29h 03m

Ontario

Sat 2/6

9:45 am-1:50 pm

2 stops18h 05m

$1,080

Cluj NapocaOntario

CLJ Cluj Napoca - ONT Ontario

CLJONT

Cluj Napoca

Fri 12/4

6:10 am-9:11 pm

2 stops25h 01m

Ontario

Mon 2/8

7:25 am-1:50 pm

2 stops20h 25m

$1,086

Cluj NapocaOntario

CLJ Cluj Napoca - ONT Ontario

CLJONT

Cluj Napoca

Sat 11/21

9:55 am-12:24 am

2 stops24h 29m

Ontario

Wed 11/25

6:45 am-10:35 pm

3 stops29h 50m

$1,279

Cluj NapocaOntario

CLJ Cluj Napoca - ONT Ontario

CLJONT

Cluj Napoca

Sat 11/21

9:55 am-10:45 am

3 stops34h 50m

Ontario

Wed 11/25

8:15 am-8:35 pm

3 stops26h 20m

$1,292

Cluj NapocaOntario

CLJ Cluj Napoca - ONT Ontario

CLJONT

Cluj Napoca

Thu 12/3

6:10 am-5:36 pm

2 stops21h 26m

Ontario

Mon 12/7

5:00 am-1:50 pm

2 stops22h 50m

$1,432

Cluj NapocaOntario

CLJ Cluj Napoca - ONT Ontario

CLJONT

Cluj Napoca

Thu 12/3

6:10 am-6:44 pm

2 stops22h 34m

Ontario

Mon 12/7

5:00 am-1:50 pm

2 stops22h 50m

$1,435

Quickest round-trip

Cluj NapocaOntario

CLJ Cluj Napoca - ONT Ontario

CLJONT

Cluj Napoca

Thu 12/10

6:10 am-5:36 pm

2 stops21h 26m

Ontario

Mon 12/14

11:20 am-1:50 pm

2 stops16h 30m

$1,523

Cluj NapocaOntario

CLJ Cluj Napoca - ONT Ontario

CLJONT

Cluj Napoca

Sat 12/19

2:35 pm-10:53 pm

2 stops18h 18m

Ontario

Sat 1/9

5:00 am-1:50 pm

2 stops22h 50m

$1,854

Cluj NapocaOntario

CLJ Cluj Napoca - ONT Ontario

CLJONT

Cluj Napoca

Sat 11/14

6:10 am-8:51 pm

2 stops24h 41m

Ontario

Wed 11/18

9:25 am-1:50 pm

2 stops18h 25m

$1,933

Cluj NapocaOntario

CLJ Cluj Napoca - ONT Ontario

CLJONT

Cluj Napoca

Sat 11/21

6:10 am-8:15 pm

2 stops24h 05m

Ontario

Wed 11/25

6:00 am-1:50 pm

2 stops21h 50m

$1,987

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted by cheapest first

How to get the cheapest flight ticket from Romania to Ontario

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

Airlines

Other information

What airlines fly to Ontario?

Turkish Airlines, Lufthansa and KLM are the top three most popular airlines that fly to Ontario from Romania according to our data. Turkish Airlines is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 7 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

Cheap Romania to Ontario flight deals and tips

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

Best Price Found	$969
Fastest flight time	21h 24m
Direct flights	None

The best one-way flight to Ontario from Romania in the past 72 hours is $969. The best round-trip flight deal from Romania to Ontario found on momondo in the last 72 hours is $1,080.

The fastest flight from Romania to Ontario takes 21h 24m

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

Search flight deals

Frequently asked questions about flying from Romania to Ontario

When did momondo last update prices for flights from Romania to Ontario Airport?
Prices for flights from Romania to Ontario Airport were last updated today.
How old do you have to be to fly from Romania to Ontario Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Romania to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The necessary travel and health documents for your Ontario Airport 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 Romania to Ontario?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Romania to Ontario. momondo saves you time and could save you money on your trip.

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

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

How can momondo help me find flights from Romania to Ontario?

momondo helps you find the best flight between Romania and Ontario by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to Ontario from Romania. 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.

An easier way to manage your Ontario trip

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Cheap flights from Romania to Los Angeles from $969

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Romania to Los Angeles departing on 12/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Frequently asked questions about flying from Romania to Ontario

Why use momondo?

An easier way to manage your Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

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