How far in advance should I book a flight from Romania to Ontario?

Travelers have found it’s best to book a flight 39 days in advance to save up to 52% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 39 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Romania to Ontario 1-2 weeks in advance for as low as $868, or $923 for flights within the next 24 hours.

What is the cheapest month to fly from Romania to Ontario?

The best pricing can be found in the month of February. Prices to Ontario from Romania average $870. You can even find prices in February for less than $870, as users have found deals to Ontario from as low as $651. The month of July appears to be one of the more expensive times to travel to Ontario from Romania. Flying in the targeted month can save you up to 14%.

What is the cheapest time of day to fly from RO to ONT?

When flying from Romania to Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

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.

$1,201+ Flights from Romania to Ontario

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Cheap flight deals from Romania to Ontario

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$837 (Gotogate)
Popular in	July
Cheapest in	February
Average price	$811

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 ($60 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($12 potential savings vs. average RT price).

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Average for round-trip flights in March 2025

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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 March 31, 2025.

Wed 12/33:35 pmOTP - ONT

2 stops36h 12mBritish Airways

Wed 12/106:40 amONT - OTP

2 stops23h 10mBritish Airways

Deal found 3/30

$835

Wed 4/161:45 pmOTP - ONT

2 stops19h 56mDelta

Sun 4/207:00 amONT - OTP

2 stops19h 10mDelta

Deal found 3/31

$861

Mon 9/11:55 pmOTP - ONT

2 stops18h 58mUnited Airlines

Mon 9/1510:00 amONT - OTP

2 stops22h 35mUnited Airlines

Deal found 3/31

$939

Mon 6/1612:50 pmOTP - ONT

2 stops43h 40mAir Serbia

Sun 6/2211:45 pmONT - OTP

2 stops30h 40mAir Serbia

Deal found 3/30

$1,270

Wed 4/236:05 amOTP - ONT

2 stops24h 37mMultiple Airlines

Thu 6/51:33 pmONT - OTP

2 stops17h 17mMultiple Airlines

Deal found 3/30

$1,280

Wed 10/15:10 pmOTP - ONT

2 stops35h 13mQatar Airways

Thu 10/163:00 pmONT - OTP

2 stops30h 45mQatar Airways

Deal found 3/31

$1,644

Best flights from Romania to Ontario
Discover carefully curated flight deals from Romania to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 31, 2025.

Thu 6/128:25 amOTP - ONT

2 stops24h 37mBritish Airways

Sat 11/13:00 pmONT - OTP

2 stops23h 45mBritish Airways

Deal found 3/31

$837

Wed 4/161:45 pmOTP - ONT

2 stops19h 56mDelta

Sun 4/207:00 amONT - OTP

2 stops19h 10mDelta

Deal found 3/31

$861

Mon 9/11:55 pmOTP - ONT

2 stops18h 58mUnited Airlines

Mon 9/1510:00 amONT - OTP

2 stops22h 35mUnited Airlines

Deal found 3/31

$939

Mon 6/1612:50 pmOTP - ONT

2 stops43h 40mAir Serbia

Sun 6/2211:45 pmONT - OTP

2 stops30h 40mAir Serbia

Deal found 3/30

$1,270

Wed 4/236:05 amOTP - ONT

2 stops24h 37mMultiple Airlines

Thu 6/51:33 pmONT - OTP

2 stops17h 17mMultiple Airlines

Deal found 3/30

$1,280

Fri 7/45:10 pmOTP - ONT

2 stops41h 03mQatar Airways

Thu 7/246:00 amONT - OTP

2 stops39h 45mQatar Airways

Deal found 3/30

$1,710

Last-minute flights from Romania to Ontario
Discover last-minute flight deals from Romania to Ontario. Data last updated March 31, 2025 and is based on user searches.

Tue 4/18:25 amOTP - ONT

2 stops20h 08mBritish Airways

Wed 4/304:35 pmONT - OTP

2 stops17h 45mBritish Airways

Deal found 3/31

$1,353

Sun 4/65:10 pmOTP - ONT

2 stops30h 39mQatar Airways

Sat 4/192:44 pmONT - OTP

2 stops31h 01mQatar Airways

Deal found 3/31

$1,815

Wed 4/161:45 pmOTP - ONT

2 stops19h 56mDelta

Sun 4/207:00 amONT - OTP

2 stops19h 10mDelta

Deal found 3/31

$861

Wed 4/2312:40 pmOTP - ONT

2 stops42h 02mUnited Airlines

Thu 6/126:00 amONT - OTP

2 stops33h 00mUnited Airlines

Deal found 3/30

$1,085

Wed 4/236:05 amOTP - ONT

2 stops24h 37mMultiple Airlines

Thu 6/51:33 pmONT - OTP

2 stops17h 17mMultiple Airlines

Deal found 3/30

$1,280

Cheapflights Fare Finder

Use the filters below to find and compare flights from Romania to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BucharestOntario

OTP - ONT

OTPONT

Bucharest Otopeni Intl

Thu 6/12

8:25 am-11:02 pm

2 stops24h 37m

Ontario

Sat 11/1

3:00 pm-11:45 pm

2 stops23h 45m

$837

BucharestOntario

OTP - ONT

OTPONT

Bucharest Otopeni Intl

Wed 4/16

1:45 pm-11:41 pm

2 stops19h 56m

Ontario

Sun 4/20

7:00 am-12:10 pm

2 stops19h 10m

$861

BucharestOntario

OTP - ONT

OTPONT

Bucharest Otopeni Intl

Mon 9/1

1:55 pm-10:53 pm

2 stops18h 58m

Ontario

Mon 9/15

10:00 am-6:35 pm

2 stops22h 35m

$939

BucharestOntario

OTP - ONT

OTPONT

Bucharest Otopeni Intl

Mon 6/16

12:50 pm-10:30 pm

2 stops43h 40m

Ontario

Sun 6/22

11:45 pm-4:25 pm

2 stops30h 40m

$1,270

BucharestOntario

OTP - ONT

OTPONT

Bucharest Otopeni Intl

Wed 4/23

6:05 am-8:42 pm

2 stops24h 37m

Ontario

Thu 6/5

1:33 pm-4:50 pm

2 stops17h 17m

$1,280

BucharestOntario

OTP - ONT

OTPONT

Bucharest Otopeni Intl

Fri 7/4

5:10 pm-12:13 am

2 stops41h 03m

Ontario

Thu 7/24

6:00 am-7:45 am

2 stops39h 45m

$1,710

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

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, August is the cheapest month in which you can book a flight from Romania to Ontario (average of $246). Flying from Romania to Ontario in March is currently the most expensive (average of $326). 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 Ontario by month

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Delta

8.0

Very good

7,899 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very good

7,899 reviews

Delta

8.0

Very good

7,899 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Qatar Airways

7.4

Good

3,541 reviews

Delta

8.0

Very good

7,899 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines

7.4

Good

8,614 reviews

Delta

8.0

Very good

7,899 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

British Airways

6.6

Okay

6,713 reviews

Delta

8.0

Very good

7,899 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air Serbia

6.3

Okay

196 reviews

Delta

8.0

Very good

7,899 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

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.
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, August is the cheapest month in which you can book a flight from Romania to Ontario (average of $246). Flying from Romania to Ontario in March is currently the most expensive (average of $326). 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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$835+ 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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Romania to Ontario with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 March 31, 2025.

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Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Romania to Ontario

Cheapest flights from Romania to OntarioExplore 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 March 31, 2025.

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 March 31, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Romania to Ontario that are best for you.

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.

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?

Rainfall in Ontario by month

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

Temperature in Ontario by month

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

Reviews of airlines servicing Ontario

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?

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

How can I find direct flights from Romania to Ontario?

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

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

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.

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Travel Smart

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 March 31, 2025.