HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$715+ Cheap flights from Bucharest (BUH) 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 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
BUH — ONT
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Bucharest 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.

Cheap flight deals from Bucharest to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Bucharest (BUH) to Ontario (ONT). 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 January 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$718
(Booking.com)

One-way from

$715
(Gotogate)
Provider with most accurate pricing for Bucharest (BUH)-Ontario flight deals.
Search Deals
Provider most trusted by Cheapflights users for Bucharest (BUH)-Ontario flights.
Search Deals
From Bucharest (BUH) to Ontario
Search Deals
One-way flight from Bucharest (BUH) to Ontario
Search Deals

Find flight deals from Bucharest to Ontario

Cheapest flights from Bucharest to Ontario
Explore the most affordable flight options available from Bucharest to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This Booking.com deal was found by Cheapflights users on 1/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/88:10 amOTP - ONT
2 stops24h 35mBritish Airways
Sat 2/2210:51 amONT - OTP
2 stops18h 09mBritish Airways
Deal found 1/20$718
This United Airlines deal was found by Cheapflights users on 1/21. 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.
Wed 6/186:05 amOTP - ONT
2 stops24h 59mUnited Airlines
Sat 6/286:32 pmONT - OTP
2 stops36h 18mUnited Airlines
Deal found 1/21$726
This Netflights deal was found by Cheapflights users on 1/20. 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 Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/206:00 amOTP - ONT
2 stops26h 52mKLM
Thu 2/276:00 amONT - OTP
2 stops23h 25mKLM
Deal found 1/20$850
This American Airlines deal was found by Cheapflights users on 1/21. 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.
Tue 2/48:05 amOTP - ONT
3 stops24h 40mAmerican Airlines
Sat 2/87:00 amONT - OTP
2 stops22h 00mAmerican Airlines
Deal found 1/21$936
This Air Serbia deal was found by Cheapflights users on 1/21. 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 Air Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/284:05 pmOTP - ONT
2 stops40h 25mAir Serbia
Sun 8/2411:45 pmONT - OTP
2 stops29h 35mAir Serbia
Deal found 1/21$1,116
This Qatar Airways deal was found by Cheapflights users on 1/21. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/275:30 pmOTP - ONT
2 stops34h 47mQatar Airways
Thu 8/212:59 pmONT - OTP
2 stops30h 41mQatar Airways
Deal found 1/21$1,743

Find flights from Bucharest to Ontario within your budget

Customize your flight search to find flights from Bucharest 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 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BucharestOntario

OTP - ONT

OTPONT

Bucharest Otopeni Intl

Sat 2/8

8:10 am-10:45 pm

2 stops24h 35m

Ontario

Sat 2/22

10:51 am-3:00 pm

2 stops18h 09m

$718

BucharestOntario

OTP - ONT

OTPONT

Bucharest Otopeni Intl

Wed 6/18

6:05 am-9:04 pm

2 stops24h 59m

Ontario

Sat 6/28

6:32 pm-4:50 pm

2 stops36h 18m

$726

BucharestOntario

OTP - ONT

OTPONT

Bucharest Otopeni Intl

Thu 2/20

6:00 am-10:52 pm

2 stops26h 52m

Ontario

Thu 2/27

6:00 am-3:25 pm

2 stops23h 25m

$850

BucharestOntario

OTP - ONT

OTPONT

Bucharest Otopeni Intl

Tue 2/4

8:05 am-10:45 pm

3 stops24h 40m

Ontario

Sat 2/8

7:00 am-3:00 pm

2 stops22h 00m

$936

BucharestOntario

OTP - ONT

OTPONT

Bucharest Otopeni Intl

Sun 7/20

4:05 pm-10:30 pm

2 stops40h 25m

Ontario

Mon 9/15

11:37 pm-3:05 am

2 stops41h 28m

$1,210

BucharestOntario

OTP - ONT

OTPONT

Bucharest Otopeni Intl

Wed 4/2

5:30 pm-2:00 pm

2 stops30h 30m

Ontario

Sun 5/4

2:44 pm-7:40 am

2 stops30h 56m

$1,796

BucharestOntario

OTP - ONT

OTPONT

Bucharest Otopeni Intl

Thu 5/1

8:25 am-9:59 pm

2 stops23h 34m

$715

BucharestOntario

OTP - ONT

OTPONT

Bucharest Otopeni Intl

Thu 2/13

6:00 am-8:52 pm

2 stops24h 52m

$821

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Compare providers for flights from Bucharest to Ontario

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Bucharest to Ontario in January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Bucharest-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Bucharest-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Bucharest-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Bucharest-Ontario flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Bucharest-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Bucharest to Ontario

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

Travel insights for flights from Bucharest to Ontario

Get recent, data-driven insights about flights from Bucharest to Ontario including ideal travel times, pricing trends, and more.

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

Currently, August is the cheapest month in which you can book a flight from Bucharest to Ontario (average of $246). Flying from Bucharest to Ontario in March is currently the most expensive (average of $310). 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

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

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

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated January 21, 2025.
KLM
7.8
Good
1,341 reviews

Boarding

7.8

Overall

7.8

Food

7.3

Comfort

7.7

Crew

8.4

Entertainment

7.2

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

KLM
7.8
Good
1,341 reviews
KLM
7.8
Good
1,341 reviews

Boarding

7.8

Overall

7.8

Food

7.3

Comfort

7.7

Crew

8.4

Entertainment

7.2

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Qatar Airways
7.5
Good
3,754 reviews
KLM
7.8
Good
1,341 reviews

Boarding

7.8

Overall

7.8

Food

7.3

Comfort

7.7

Crew

8.4

Entertainment

7.2

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

United Airlines
7.4
Good
8,984 reviews
KLM
7.8
Good
1,341 reviews

Boarding

7.8

Overall

7.8

Food

7.3

Comfort

7.7

Crew

8.4

Entertainment

7.2

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

American Airlines
7.2
Good
10,000 reviews
KLM
7.8
Good
1,341 reviews

Boarding

7.8

Overall

7.8

Food

7.3

Comfort

7.7

Crew

8.4

Entertainment

7.2

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

British Airways
6.6
Okay
6,834 reviews
KLM
7.8
Good
1,341 reviews

Boarding

7.8

Overall

7.8

Food

7.3

Comfort

7.7

Crew

8.4

Entertainment

7.2

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Related info for your journey

Find useful and relevant information for your journey from Bucharest 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 Bucharest?

    If you book a flight to Ontario from Bucharest, you will be flying to Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the center of Ontario. There are 0 flights from Bucharest to Ontario per day from 0 different airlines.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Bucharest to Ontario (average of $246). Flying from Bucharest to Ontario in March is currently the most expensive (average of $310). 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.
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.