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Otopeni Intl

$402+ Cheap flights from Ontario (ONT) to Otopeni Intl (OTP)

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 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — OTP
Jan 25 — Feb 11
Sat 1/25
Sat 2/1
1 adult, Economy
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Cheap flight deals from Ontario to Otopeni Intl

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Otopeni Intl (OTP). 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 20, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$531
(Delta)

One-way from

$402
(Booking.com)
Provider with most accurate pricing for Ontario-Bucharest Otopeni Intl flight deals.
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Provider most trusted by Cheapflights users for Ontario-Bucharest Otopeni Intl flights.
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From Ontario to Bucharest Otopeni Intl
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One-way flight from Ontario to Bucharest Otopeni Intl
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Find flight deals from Ontario to Otopeni Intl

Cheapest flights from Ontario to Otopeni Intl
Explore the most affordable flight options available from Ontario to Otopeni Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 20, 2025.

This Delta deal was found by Cheapflights users on 1/19. 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.
Tue 2/116:00 amONT - OTP
2 stops29h 20mDelta
Wed 2/192:00 pmOTP - ONT
2 stops56h 24mDelta
Deal found 1/19$531
This United Airlines deal was found by Cheapflights users on 1/19. 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 2/126:15 amONT - OTP
2 stops26h 10mUnited Airlines
Wed 2/196:05 amOTP - ONT
2 stops24h 35mUnited Airlines
Deal found 1/19$565
This Expedia deal was found by Cheapflights users on 1/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1311:59 pmONT - OTP
2 stops37h 26mBritish Airways
Mon 2/178:05 amOTP - ONT
2 stops44h 30mBritish Airways
Deal found 1/19$575
This United deal was found by Cheapflights users on 1/19. 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 4/13:55 pmONT - OTP
2 stops21h 35mMultiple Airlines
Tue 4/81:50 pmOTP - ONT
2 stops31h 15mMultiple Airlines
Deal found 1/19$758
This American Airlines deal was found by Cheapflights users on 1/19. 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.
Thu 2/1310:51 amONT - OTP
2 stops18h 49mAmerican Airlines
Mon 2/178:05 amOTP - ONT
3 stops24h 11mAmerican Airlines
Deal found 1/19$957
This Air Serbia deal was found by Cheapflights users on 1/18. 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.
Sun 5/1111:37 pmONT - OTP
2 stops29h 43mAir Serbia
Tue 5/274:05 pmOTP - ONT
2 stops40h 17mAir Serbia
Deal found 1/18$1,074

Find flights from Ontario to Otopeni Intl within your budget

Customize your flight search to find flights from Ontario to Otopeni Intl 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 20, 2025.

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Any airport

Route

Depart

Return

Price

OntarioBucharest

ONT - OTP

ONTOTP

Ontario

Tue 2/11

6:00 am-9:20 pm

2 stops29h 20m

Bucharest Otopeni Intl

Mon 2/17

2:00 pm-11:51 pm

2 stops43h 51m

$531

OntarioBucharest

ONT - OTP

ONTOTP

Ontario

Wed 2/12

6:15 am-6:25 pm

2 stops26h 10m

Bucharest Otopeni Intl

Wed 2/19

6:05 am-8:40 pm

2 stops24h 35m

$565

OntarioBucharest

ONT - OTP

ONTOTP

Ontario

Thu 2/13

11:59 pm-11:25 pm

2 stops37h 26m

Bucharest Otopeni Intl

Mon 2/17

8:05 am-6:35 pm

2 stops44h 30m

$575

OntarioBucharest

ONT - OTP

ONTOTP

Ontario

Tue 4/1

3:55 pm-11:30 pm

2 stops21h 35m

Bucharest Otopeni Intl

Tue 4/8

1:50 pm-11:05 am

2 stops31h 15m

$758

OntarioBucharest

ONT - OTP

ONTOTP

Ontario

Thu 2/13

10:51 am-3:40 pm

2 stops18h 49m

Bucharest Otopeni Intl

Mon 2/17

8:05 am-10:16 pm

3 stops24h 11m

$957

OntarioBucharest

ONT - OTP

ONTOTP

Ontario

Sun 5/11

11:37 pm-3:20 pm

2 stops29h 43m

Bucharest Otopeni Intl

Tue 5/27

4:05 pm-10:22 pm

2 stops40h 17m

$1,074

OntarioBucharest

ONT - OTP

ONTOTP

Ontario

Tue 2/4

4:25 pm-11:05 pm

2 stops20h 40m

$402

OntarioBucharest

ONT - OTP

ONTOTP

Ontario

Tue 1/28

7:05 am-12:40 pm

2 stops19h 35m

$425

OntarioBucharest

ONT - OTP

ONTOTP

Ontario

Sun 2/16

6:00 am-6:30 pm

2 stops26h 30m

$444

OntarioBucharest

ONT - OTP

ONTOTP

Ontario

Tue 1/28

5:10 am-1:45 pm

3 stops22h 35m

$503

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Compare providers for flights from Ontario to Otopeni Intl

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 Ontario to Otopeni Intl in January.
ProviderPrice AccuracyTrust Score*
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice 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 Ontario-Bucharest Otopeni Intl Airport flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Ontario-Bucharest Otopeni Intl Airport flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Ontario-Bucharest Otopeni Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Bucharest Otopeni Intl Airport flights, Cheapflights users trust AranGrant the most. AranGrant 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 Otopeni Intl Airport 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 Otopeni Intl

Have a flexible travel schedule? Discover the best time to fly to Otopeni Intl 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 Otopeni Intl

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

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

Currently, November is the cheapest month in which you can book a flight from Ontario to Bucharest Otopeni Intl Airport (average of $604). Flying from Ontario to Bucharest Otopeni Intl Airport 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 OTP?

Find hourly flight availability from Ontario to Otopeni Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 20, 2025.

A simple way to save on the total cost of your ticket is to fly from Ontario to Bucharest Otopeni Intl Airport in the morning. If you’re flexible enough to do this you can expect to save up to 38% on your trip compared to booking a flight at noon.

Rainfall in Otopeni Intl by month

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

In terms of precipitation, rainfall in Bucharest Otopeni Intl Airport 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 Otopeni Intl Airport when rainfall is around 0.8 in.

Temperature in Otopeni Intl by month

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

If weather is an important factor for your trip to Bucharest Otopeni Intl Airport, 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 Otopeni Intl

Get insights into the airlines that provide service to Otopeni Intl. 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 Otopeni Intl. Reviews last updated January 20, 2025.
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

Crew

8.6

Overall

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

Comfort

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

Crew

8.6

Overall

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
8,982 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

Crew

8.6

Overall

8.0

Reviews

1 / 10

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

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

Crew

8.6

Overall

8.0

Reviews

1 / 10

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

Air Canada
7.0
Good
8,627 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

Crew

8.6

Overall

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

Comfort

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

Crew

8.6

Overall

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 Otopeni Intl. 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 Otopeni Intl?

    If you book a flight to Bucharest Otopeni Intl from Ontario, you will be flying from 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 Ontario to Bucharest Otopeni Intl per day from 0 different airlines.

  • What are the cheapest airlines flying from Ontario to Bucharest Otopeni Intl Airport round-trip?

    Our cheapest airline available from Ontario to Bucharest Otopeni Intl Airport is Delta. Our recent data shows that you can find tickets from as low as $531 on this airline. Additional options worth looking into are United Airlines and British Airways, starting at $565 and $575 round-trip.

  • What are the cheapest airlines to fly from Ontario to Bucharest Otopeni Intl Airport one-way?

    $402 is the cheapest one-way deal found within the past few days, from British Airways. You may also be able to find cheap deals on Delta and United Airlines, with prices starting from $425 and $444, respectively.

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

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

  • How can I find direct flights from Ontario to Otopeni Intl?

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

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

    Yes. Cheapflights offers flight deals from Ontario to Otopeni Intl 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 Otopeni Intl Airport?

    Currently, November is the cheapest month in which you can book a flight from Ontario to Bucharest Otopeni Intl Airport (average of $604). Flying from Ontario to Bucharest Otopeni Intl Airport 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

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