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Ontario

$794+ Cheap flights from Romania to Ontario (ONT)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
OTP — ONT
Feb 14 — Feb 211
Sat 2/14
Sat 2/21
1 adult, Economy
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Cheap flight deals from Romania to Ontario

Keep the following information in mind while searching for Romania to Ontario flight deals. Data was last updated January 15, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$794
(United Airlines)

Popular in

July

Cheapest in

March

Average price

$851
Provider with most accurate pricing for Bucharest (BUH)-Los Angeles flight deals.
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Provider most trusted by Cheapflights users for Bucharest (BUH)-Los Angeles flights.
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From Romania to Ontario
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($64 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find flight deals from Romania to Ontario

Cheapest flights from Romania to Ontario
Explore the most affordable flight options available from Romania to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 15, 2026.

This United Airlines deal was found by Cheapflights users on 1/15. 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.
Sun 3/12:50 pm
OTP
-
ONT
2 stops18h 07m
United Airlines
Sun 3/811:59 pm
ONT
-
OTP
2 stops33h 36m
United Airlines
Deal found 1/15$794
This United Airlines deal was found by Cheapflights users on 1/14. 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 2/35:55 am
OTP
-
ONT
2 stops22h 00m
United Airlines
Tue 2/175:00 am
ONT
-
OTP
2 stops22h 55m
United Airlines
Deal found 1/14$796
This United Airlines deal was found by Cheapflights users on 1/13. 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.
Fri 3/65:55 am
OTP
-
ONT
2 stops24h 55m
United Airlines
Sat 4/181:34 pm
ONT
-
OTP
2 stops16h 56m
United Airlines
Deal found 1/13$913
This American Airlines deal was found by Cheapflights users on 1/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/308:00 am
OTP
-
ONT
3 stops24h 13m
American Airlines
Tue 2/37:16 am
ONT
-
OTP
3 stops21h 29m
American Airlines
Deal found 1/14$921
This Iberia deal was found by Cheapflights users on 1/13. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/68:00 am
OTP
-
ONT
2 stops24h 48m
Multiple Airlines
Fri 2/2010:56 am
ONT
-
OTP
2 stops18h 14m
Multiple Airlines
Deal found 1/13$979
This Ovago deal was found by Cheapflights users on 1/14. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/308:15 am
OTP
-
ONT
2 stops24h 20m
British Airways
Sun 5/106:00 am
ONT
-
OTP
2 stops22h 05m
British Airways
Deal found 1/14$1,123
This American Airlines deal was found by Cheapflights users on 1/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/257:35 am
OTP
-
ONT
2 stops25h 13m
American Airlines
Tue 1/273:09 pm
ONT
-
OTP
2 stops42h 51m
American Airlines
Deal found 1/15$1,148
This British Airways deal was found by Cheapflights users on 1/13. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/224:35 pm
OTP
-
ONT
2 stops34h 47m
British Airways
Sun 1/2510:58 am
ONT
-
OTP
2 stops22h 37m
British Airways
Deal found 1/13$1,154

Cheapflights Fare Finder

 
Customize your flight search to find flights from Romania to Ontario 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 January 15, 2026.
Use the filters below to find and compare flights from Romania to Ontario that are best for you.

Fly from

Romania

Fly to

Ontario

Route

Depart

Return

Price

BucharestOntario

OTP - ONT

OTPONT

Bucharest Otopeni Intl

Sun 3/1

2:50 pm-10:57 pm

2 stops18h 07m

Ontario

Sun 3/8

11:59 pm-6:35 pm

2 stops33h 36m

$794

BucharestOntario

OTP - ONT

OTPONT

Bucharest Otopeni Intl

Tue 2/3

5:55 am-5:55 pm

2 stops22h 00m

Ontario

Tue 2/17

6:10 am-1:55 pm

2 stops21h 45m

$796

BucharestOntario

OTP - ONT

OTPONT

Bucharest Otopeni Intl

Fri 3/6

5:55 am-8:50 pm

2 stops24h 55m

Ontario

Sat 4/18

1:34 pm-4:30 pm

2 stops16h 56m

$913

BucharestOntario

OTP - ONT

OTPONT

Bucharest Otopeni Intl

Fri 1/30

8:00 am-10:13 pm

3 stops24h 13m

Ontario

Tue 2/3

7:16 am-2:45 pm

3 stops21h 29m

$921

BucharestOntario

OTP - ONT

OTPONT

Bucharest Otopeni Intl

Fri 2/6

8:00 am-10:48 pm

2 stops24h 48m

Ontario

Fri 2/20

10:56 am-3:10 pm

2 stops18h 14m

$979

BucharestOntario

OTP - ONT

OTPONT

Bucharest Otopeni Intl

Sun 3/29

8:10 am-10:30 pm

2 stops24h 20m

Ontario

Fri 4/17

2:08 pm-7:05 pm

2 stops18h 57m

$1,216

BucharestOntario

OTP - ONT

OTPONT

Bucharest Otopeni Intl

Sun 1/25

5:55 am-5:43 pm

2 stops21h 48m

Ontario

Wed 1/28

5:05 am-2:00 pm

2 stops22h 55m

$1,249

BucharestOntario

OTP - ONT

OTPONT

Bucharest Otopeni Intl

Fri 2/20

8:00 am-10:29 pm

2 stops24h 29m

Ontario

Fri 3/6

10:56 am-11:25 pm

2 stops26h 29m

$1,263

BucharestOntario

OTP - ONT

OTPONT

Bucharest Otopeni Intl

Thu 1/29

9:50 pm-11:56 pm

2 stops36h 06m

$906

BucharestOntario

OTP - ONT

OTPONT

Bucharest Otopeni Intl

Fri 1/30

10:10 am-11:56 pm

2 stops23h 46m

$906

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/13

Showing 1-10 of 14 results
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Best time to book a flight from Romania to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Romania 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 Romania to Ontario

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

Currently, September is the cheapest month in which you can book a flight from Romania to Ontario (average of $493). Flying from Romania to Ontario in December is currently the most expensive (average of $780). 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.

Related info for your journey

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

  • What airport do you fly into for flights to Ontario from Romania?

    For a flight from Romania to Ontario, you will be flying into Ontario. Ontario (ONT) is just 3.1 mi from the center of the city.

  • How long is the flight from Romania to Ontario?

    For as low as $794, United Airlines can have you in Ontario from Romania in 18h 07m. The distance from Romania to Ontario is about 6541 mi.

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

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

  • How can I find direct flights from Romania to Ontario?

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

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

    Yes. Cheapflights offers flight deals from Romania to Ontario 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 Romania to Ontario?

    Currently, September is the cheapest month in which you can book a flight from Romania to Ontario (average of $493). Flying from Romania to Ontario in December is currently the most expensive (average of $780). 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.

See more FAQs

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