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$412+ Cheap flights from Ontario (ONT) to Bucharest (BUH)

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 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BUH
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap flight deals from Ontario to Bucharest

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

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$510
(Booking.com)

One-way from

$412
(British Airways)
Provider with most accurate pricing for Ontario-Bucharest (BUH) flight deals.
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Provider most trusted by Cheapflights users for Ontario-Bucharest (BUH) flights.
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From Ontario to Bucharest (BUH)
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One-way flight from Ontario to Bucharest (BUH)
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Find flight deals from Ontario to Bucharest

Cheapest flights from Ontario to Bucharest
Explore the most affordable flight options available from Ontario to Bucharest. 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 1/21. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/2510:57 amONT - OTP
2 stops27h 08mBritish Airways
Tue 4/86:15 pmOTP - ONT
2 stops34h 05mBritish Airways
Deal found 1/21$510
This United 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/256:00 amONT - OTP
3 stops46h 55mMultiple Airlines
Tue 4/81:50 pmOTP - ONT
2 stops35h 00mMultiple Airlines
Deal found 1/21$558
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.
Tue 3/256:00 amONT - OTP
3 stops27h 30mUnited Airlines
Tue 4/86:05 amOTP - ONT
2 stops25h 53mUnited Airlines
Deal found 1/21$563
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 8/411:45 pmONT - OTP
2 stops41h 20mAir Serbia
Mon 8/114:40 amOTP - ONT
2 stops27h 50mAir Serbia
Deal found 1/21$1,241
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/202:00 pmONT - OTP
2 stops17h 20mDelta
Fri 6/277:00 amOTP - ONT
2 stops20h 22mDelta
Deal found 1/21$1,298

Find flights from Ontario to Bucharest within your budget

Customize your flight search to find flights from Ontario to Bucharest 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.

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Fly to

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Route

Depart

Return

Price

OntarioBucharest

ONT - OTP

ONTOTP

Ontario

Tue 3/25

10:57 am-11:05 pm

2 stops27h 08m

Bucharest Otopeni Intl

Tue 4/8

6:15 pm-6:20 pm

2 stops34h 05m

$510

OntarioBucharest

ONT - OTP

ONTOTP

Ontario

Tue 3/25

6:00 am-1:55 pm

3 stops46h 55m

Bucharest Otopeni Intl

Tue 4/8

1:50 pm-2:50 pm

2 stops35h 00m

$558

OntarioBucharest

ONT - OTP

ONTOTP

Ontario

Tue 3/25

6:00 am-6:30 pm

3 stops27h 30m

Bucharest Otopeni Intl

Tue 4/8

6:05 am-9:58 pm

2 stops25h 53m

$563

OntarioBucharest

ONT - OTP

ONTOTP

Ontario

Fri 6/20

2:00 pm-5:20 pm

2 stops17h 20m

Bucharest Otopeni Intl

Fri 6/27

7:00 am-5:22 pm

2 stops20h 22m

$1,298

OntarioBucharest

ONT - OTP

ONTOTP

Ontario

Mon 6/23

11:45 pm-3:05 am

2 stops41h 20m

Bucharest Otopeni Intl

Mon 7/7

4:05 pm-10:30 pm

2 stops40h 25m

$1,328

OntarioBucharest

ONT - OTP

ONTOTP

Ontario

Tue 1/28

4:25 pm-11:05 pm

2 stops20h 40m

$412

OntarioBucharest

ONT - OTP

ONTOTP

Ontario

Tue 1/28

6:15 am-3:45 pm

2 stops47h 30m

$441

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

  • Most accurate provider: When it comes to deals on Ontario-Bucharest flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Ontario-Bucharest flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Ontario-Bucharest flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Bucharest flights, Cheapflights users trust eDreams the most. eDreams 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 Ontario-Bucharest 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 Ontario to Bucharest

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

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

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

Currently, November is the cheapest month in which you can book a flight from Ontario to Bucharest (average of $604). Flying from Ontario to Bucharest in June is currently the most expensive (average of $1,175). 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.

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

Find hourly flight availability from Ontario to Bucharest. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 21, 2025.

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

Rainfall in Bucharest by month

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

In terms of precipitation, rainfall in Bucharest ranges from 0.8 - 3.1 inches per month. June is typically the wettest month, when rainfall can reach 3.1 in. October is typically the driest time to visit Bucharest when rainfall is around 0.8 in.

Temperature in Bucharest by month

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

If weather is an important factor for your trip to Bucharest, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Bucharest

Get insights into the airlines that provide service to Bucharest. 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 Bucharest. Reviews last updated January 21, 2025.
Delta
8.0
Very good
8,521 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,521 reviews
Delta
8.0
Very good
8,521 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
8,984 reviews
Delta
8.0
Very good
8,521 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

British Airways
6.6
Okay
6,834 reviews
Delta
8.0
Very good
8,521 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air Serbia
6.4
Okay
197 reviews
Delta
8.0
Very good
8,521 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Bucharest. 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 from for flights from Ontario to Bucharest?

    Ontario (ONT), located 3.1 mi from the city center, is the airport you fly out of when you book flights from Ontario to Bucharest. 0 airlines have flights from Ontario to Bucharest on a regular basis. Booking flights from Ontario to Bucharest should not be difficult; the airport handles an average of 0 outbound flights to Bucharest per day.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Ontario to Bucharest (average of $604). Flying from Ontario to Bucharest in June is currently the most expensive (average of $1,175). 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

Traveling to a place near Ontario?

Book flights to Ontario if you plan to visit one of these locations
Otopeni

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Alternative routes for Ontario to Bucharest

See prices for flight routes from nearby airports that may be better suited for you.
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