HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$569+ Cheap flights from Romania to Ontario (ONT)

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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
OTP — ONT
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Romania to Ontario with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 October 16, 2025.

This United Airlines deal was found by Cheapflights users on 10/14. 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.
Fri 11/285:55 amOTP - ONT
2 stops26h 36mUnited Airlines
Fri 12/55:05 amONT - OTP
2 stops27h 30mUnited Airlines
Deal found 10/14$915
This Gotogate deal was found by Cheapflights users on 10/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/258:00 amOTP - ONT
2 stops24h 14mBritish Airways
Thu 1/83:09 pmONT - OTP
2 stops18h 21mBritish Airways
Deal found 10/14$916
This United Airlines deal was found by Cheapflights users on 10/14. 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.
Thu 11/275:50 amOTP - ONT
2 stops19h 31mUnited Airlines
Sat 2/76:00 amONT - OTP
2 stops22h 05mUnited Airlines
Deal found 10/14$918
This KLM deal was found by Cheapflights users on 10/16. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/16:00 amOTP - ONT
2 stops25h 41mMultiple Airlines
Wed 11/57:05 amONT - OTP
2 stops19h 00mMultiple Airlines
Deal found 10/16$919
This United Airlines deal was found by Cheapflights users on 10/14. 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.
Sat 11/152:50 pmOTP - ONT
3 stops42h 01mUnited Airlines
Sat 2/216:37 pmONT - OTP
2 stops43h 13mUnited Airlines
Deal found 10/14$995
This United Airlines deal was found by Cheapflights users on 10/14. 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.
Sun 11/25:55 amOTP - ONT
2 stops26h 36mUnited Airlines
Sat 11/87:00 amONT - OTP
2 stops21h 05mUnited Airlines
Deal found 10/14$1,010
This United Airlines deal was found by Cheapflights users on 10/14. 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.
Sun 11/162:50 pmOTP - ONT
2 stops18h 01mUnited Airlines
Sun 2/221:52 pmONT - OTP
2 stops23h 58mUnited Airlines
Deal found 10/14$1,011
This British Airways deal was found by Cheapflights users on 10/13. 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.
Sun 12/77:35 amOTP - ONT
2 stops22h 28mBritish Airways
Sat 2/710:58 amONT - OTP
2 stops18h 07mBritish Airways
Deal found 10/13$1,052
This United Airlines deal was found by Cheapflights users on 10/15. 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.
Thu 10/161:55 pmOTP - ONT
2 stops18h 57mUnited Airlines
Thu 10/237:02 amONT - OTP
2 stops19h 58mUnited Airlines
Deal found 10/15$1,241
This American Airlines deal was found by Cheapflights users on 10/14. 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.
Wed 10/298:05 amOTP - ONT
2 stops35h 02mAmerican Airlines
Sun 11/25:10 amONT - OTP
2 stops22h 45mAmerican Airlines
Deal found 10/14$1,296
This United Airlines deal was found by Cheapflights users on 10/14. 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.
Sun 11/25:55 amOTP - ONT
2 stops21h 39mUnited Airlines
Fri 11/71:29 pmONT - OTP
2 stops19h 06mUnited Airlines
Deal found 10/14$1,298

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 October 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$896
(Gotogate)

One-way from

$569
(Booking.com)

Popular in

July

Cheapest in

March

Average price

$852
Provider with most accurate pricing for Bucharest (BUH)-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Bucharest (BUH)-Los Angeles flights.
Search Deals
From Romania to Ontario
Search Deals
One-way flight from Romania to Ontario
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($68 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 October 16, 2025.
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

Sat 2/14

8:05 am-9:40 pm

2 stops23h 35m

Ontario

Sat 2/28

11:05 am-3:05 pm

2 stops18h 00m

$896

BucharestOntario

OTP - ONT

OTPONT

Bucharest Otopeni Intl

Fri 11/28

5:55 am-10:31 pm

2 stops26h 36m

Ontario

Fri 12/5

5:05 am-6:35 pm

2 stops27h 30m

$915

BucharestOntario

OTP - ONT

OTPONT

Bucharest Otopeni Intl

Thu 12/25

8:00 am-10:14 pm

2 stops24h 14m

Ontario

Thu 1/8

3:09 pm-7:30 pm

2 stops18h 21m

$916

BucharestOntario

OTP - ONT

OTPONT

Bucharest Otopeni Intl

Thu 11/27

5:50 am-3:21 pm

2 stops19h 31m

Ontario

Sat 2/7

6:00 am-2:05 pm

2 stops22h 05m

$918

BucharestOntario

OTP - ONT

OTPONT

Bucharest Otopeni Intl

Sat 11/1

6:00 am-10:41 pm

2 stops25h 41m

Ontario

Wed 11/5

7:05 am-12:05 pm

2 stops19h 00m

$919

BucharestOntario

OTP - ONT

OTPONT

Bucharest Otopeni Intl

Fri 2/13

8:00 am-5:51 pm

2 stops43h 51m

Ontario

Tue 2/17

6:47 am-10:55 pm

2 stops30h 08m

$923

BucharestOntario

OTP - ONT

OTPONT

Bucharest Otopeni Intl

Fri 2/13

1:55 pm-10:38 pm

2 stops42h 43m

Ontario

Tue 2/17

6:00 am-10:50 pm

2 stops30h 50m

$950

BucharestOntario

OTP - ONT

OTPONT

Bucharest Otopeni Intl

Sun 11/2

5:55 am-11:31 pm

2 stops26h 36m

Ontario

Sat 11/8

7:00 am-2:05 pm

2 stops21h 05m

$1,010

BucharestOntario

OTP - ONT

OTPONT

Bucharest Otopeni Intl

Fri 3/27

5:55 am-10:15 pm

2 stops25h 20m

Ontario

Sat 4/25

1:00 pm-4:50 pm

2 stops17h 50m

$1,022

BucharestOntario

OTP - ONT

OTPONT

Bucharest Otopeni Intl

Sun 11/2

5:55 am-6:34 pm

2 stops21h 39m

Ontario

Fri 11/7

1:29 pm-6:35 pm

2 stops19h 06m

$1,298

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/15

Showing 1-10 of 22 results
1
2
3

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 $489). Flying from Romania to Ontario in July is currently the most expensive (average of $771). 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 $896, British Airways can have you in Ontario from Romania in 23h 35m. The distance from Romania to Ontario is about 6541 mi. This flight may include one or multiple stops.

  • 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 $489). Flying from Romania to Ontario in July is currently the most expensive (average of $771). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Romania to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
Charles de Gaulle to Los Angeles flights
Heathrow to Los Angeles flights
Frankfurt to Los Angeles flights
Frankfurt to San Francisco flights
Orly to Los Angeles flights
Charles de Gaulle to San Francisco flights
Heathrow to San Francisco flights
Frederic Chopin to Los Angeles flights
Heathrow to Las Vegas flights
Munich to San Francisco flights
Frankfurt to Las Vegas flights
Madrid to Los Angeles flights
Gatwick to Los Angeles flights
Amsterdam to Los Angeles flights
Charles de Gaulle to Burbank flights
Frankfurt to Ontario flights
London City to Los Angeles flights
Frankfurt to San Jose flights
Charles de Gaulle to Las Vegas flights
Munich to Los Angeles flights
Frankfurt to Santa Ana flights
Gatwick to San Francisco flights
Frankfurt to Long Beach flights
Charles de Gaulle to Santa Ana flights
Zurich to Los Angeles flights
Heathrow to Ontario flights
London City to San Francisco flights
Orly to Las Vegas flights
Heathrow to Santa Ana flights
Bruxelles-National to Los Angeles flights
Zurich to San Francisco flights
Duesseldorf Intl to Los Angeles flights
Beauvais-Tille to Los Angeles flights
Leonardo da Vinci/Fiumicino to Los Angeles flights
Stansted to Los Angeles flights
Gatwick to Las Vegas flights
Luton to Los Angeles flights
Vienna to Los Angeles flights
Heathrow to San Jose flights
Heathrow to Oakland flights
London City to Las Vegas flights
Dublin to Los Angeles flights
Frankfurt-Hahn to San Francisco flights
Heathrow to San Diego flights
Lisbon to San Francisco flights
Amsterdam to Ontario flights
Charles de Gaulle to Long Beach flights
Copenhagen to Los Angeles flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.