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Cheap flights from Ontario to Bucharest from C$ 326

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 4/10. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BUH
15 Oct — 22 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Ontario to Bucharest

Keep the following information in mind while searching for Ontario to Bucharest flight deals. Data was last updated 15 September 2025.

Round-trip from

C$ 771

One-way from

C$ 326

Popular in

December

Cheapest in

January

Average price

C$ 1,166
British Airways
  • British Airways
  • 10/3-30/3
  • 2 total stops
  • 38h 05m total
  • Ontario to Bucharest
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4/10
  • 4/10
  • 1 total stop
  • 22h 25m total
  • Ontario to Bucharest
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (C$ 11 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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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 15 September 2025.

Mon 13/1010:10 p.m.YUL - OTP
1 stop20h 15mAmerican Airlines
Wed 29/108:05 a.m.OTP - YUL
1 stop17h 40mAmerican Airlines
Deal found 15/9C$ 769
Tue 21/1010:10 p.m.YUL - OTP
1 stop20h 15mBritish Airways
Wed 5/118:05 a.m.OTP - YUL
1 stop17h 40mBritish Airways
Deal found 14/9C$ 771
Mon 13/1010:10 p.m.YUL - OTP
1 stop20h 15mBritish Airways
Wed 29/108:05 a.m.OTP - YUL
1 stop17h 40mBritish Airways
Deal found 15/9C$ 772
Mon 13/1010:30 a.m.YUL - OTP
2 stops23h 55mMultiple Airlines
Wed 29/108:05 a.m.OTP - YUL
1 stop17h 40mMultiple Airlines
Deal found 14/9C$ 810
Tue 14/1010:10 p.m.YUL - OTP
1 stop20h 15mBritish Airways
Tue 28/104:40 p.m.OTP - YUL
1 stop33h 05mBritish Airways
Deal found 14/9C$ 811
Mon 6/1010:10 p.m.YUL - OTP
1 stop20h 15mBritish Airways
Tue 21/106:15 p.m.OTP - YUL
1 stop33h 00mBritish Airways
Deal found 13/9C$ 821
Mon 29/910:10 p.m.YUL - OTP
1 stop20h 15mBritish Airways
Mon 1/128:05 a.m.OTP - YUL
1 stop17h 40mBritish Airways
Deal found 14/9C$ 822
Tue 7/1010:30 a.m.YUL - OTP
2 stops21h 55mAmerican Airlines
Tue 21/108:25 a.m.OTP - YUL
2 stops32h 25mAmerican Airlines
Deal found 13/9C$ 836
Sun 28/128:40 p.m.YUL - OTP
1 stop20h 05mBritish Airways
Tue 20/18:00 a.m.OTP - YUL
1 stop17h 45mBritish Airways
Deal found 15/9C$ 837
Tue 7/1010:10 p.m.YUL - OTP
1 stop20h 15mBritish Airways
Tue 14/106:15 p.m.OTP - YUL
1 stop33h 00mBritish Airways
Deal found 14/9C$ 859
Mon 29/94:09 p.m.YUL - OTP
2 stops18h 16mMultiple Airlines
Wed 19/118:05 a.m.OTP - YUL
2 stops35h 10mMultiple Airlines
Deal found 15/9C$ 866
Fri 7/1110:40 p.m.YYZ - OTP
1 stop20h 05mLOT
Sat 15/112:35 p.m.OTP - YYZ
1 stop13h 05mLOT
Deal found 15/9C$ 870

Cheapflights Fare Finder

 
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 629,999 searches. Data last updated 15 September 2025.
Use the filters below to find and compare flights from Ontario to Bucharest that are best for you.

Fly from

Ontario

Fly to

Bucharest

Route

Depart

Return

Price

MontrealBucharest

YUL - OTP

YULOTP

Montreal Pierre Elliott Trudeau Intl

Mon 17/11

8:40 p.m.-11:00 p.m.

1 stop19h 20m

Bucharest Otopeni Intl

Wed 8/4

8:25 a.m.-8:15 p.m.

1 stop18h 50m

C$ 771

MontrealBucharest

YUL - OTP

YULOTP

Montreal Pierre Elliott Trudeau Intl

Mon 9/3

9:40 p.m.-3:30 p.m.

1 stop11h 50m

Bucharest Otopeni Intl

Wed 1/4

8:25 a.m.-8:15 p.m.

1 stop18h 50m

C$ 771

MontrealBucharest

YUL - OTP

YULOTP

Montreal Pierre Elliott Trudeau Intl

Wed 10/12

8:40 p.m.-8:00 p.m.

1 stop16h 20m

Bucharest Otopeni Intl

Thu 8/1

9:00 p.m.-6:45 p.m.

1 stop28h 45m

C$ 821

MontrealBucharest

YUL - OTP

YULOTP

Montreal Pierre Elliott Trudeau Intl

Mon 6/10

10:10 p.m.-1:25 a.m.

1 stop20h 15m

Bucharest Otopeni Intl

Wed 22/10

8:25 a.m.-8:15 p.m.

1 stop18h 50m

C$ 821

MontrealBucharest

YUL - OTP

YULOTP

Montreal Pierre Elliott Trudeau Intl

Wed 10/12

8:40 p.m.-3:45 p.m.

1 stop12h 05m

Bucharest Otopeni Intl

Wed 7/1

8:05 a.m.-6:45 p.m.

1 stop17h 40m

C$ 821

MontrealBucharest

YUL - OTP

YULOTP

Montreal Pierre Elliott Trudeau Intl

Mon 6/10

10:10 p.m.-1:25 a.m.

1 stop20h 15m

Bucharest Otopeni Intl

Tue 21/10

6:15 p.m.-8:15 p.m.

1 stop33h 00m

C$ 821

MontrealBucharest

YUL - OTP

YULOTP

Montreal Pierre Elliott Trudeau Intl

Mon 29/9

10:10 p.m.-1:25 a.m.

1 stop20h 15m

Bucharest Otopeni Intl

Mon 1/12

8:05 a.m.-6:45 p.m.

1 stop17h 40m

C$ 822

MontrealBucharest

YUL - OTP

YULOTP

Montreal Pierre Elliott Trudeau Intl

Tue 30/9

10:10 p.m.-1:25 a.m.

1 stop20h 15m

Bucharest Otopeni Intl

Tue 2/12

8:00 a.m.-6:45 p.m.

1 stop17h 45m

C$ 822

TorontoBucharest

YYZ - OTP

YYZOTP

Toronto Pearson Intl

Thu 2/10

8:15 p.m.-1:05 a.m.

1 stop21h 50m

Bucharest Otopeni Intl

Thu 4/12

6:30 a.m.-4:25 p.m.

1 stop16h 55m

C$ 886

TorontoBucharest

YYZ - OTP

YYZOTP

Toronto Pearson Intl

Sun 1/3

8:25 p.m.-3:50 p.m.

1 stop12h 25m

Bucharest Otopeni Intl

Mon 16/3

6:30 a.m.-7:39 a.m.

2 stops31h 09m

C$ 886

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/9

Showing 1-10 of 59 results
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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.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Bucharest

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

Currently, October is the cheapest month in which you can book a flight from Region of Ontario to Bucharest (average of C$ 760). Flying from Region of Ontario to Bucharest in July is currently the most expensive (average of C$ 1,125). 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 ON 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 15 September 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to Bucharest as you normally would.

How much does it cost to fly round-trip from Region of Ontario to Bucharest?

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.

  • How long is the flight from Region of Ontario to Bucharest?

    There are many flights that can get you from Region of Ontario to Bucharest in 12h 25m. Fly via British Airways, SWISS, or Air Canada to get the fastest option. There are 7757 km between Region of Ontario and Bucharest. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most popular routes from Region of Ontario to Bucharest?

    While some choose either Toronto Pearson Intl - Bucharest Otopeni Intl or Toronto Island - Bucharest Otopeni Intl, Montreal Pierre Elliott Trudeau Intl - Bucharest Otopeni Intl is the most popular route from Region of Ontario to Bucharest.

  • 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 Region of Ontario to Bucharest?

    Currently, October is the cheapest month in which you can book a flight from Region of Ontario to Bucharest (average of C$ 760). Flying from Region of Ontario to Bucharest in July is currently the most expensive (average of C$ 1,125). 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

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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.
Pierre Elliott Trudeau Intl to Otopeni Intl flights
Pearson Intl to Otopeni Intl flights
Toronto Island to Otopeni Intl flights
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Pearson Intl to Timisoara flights
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Pierre Elliott Trudeau Intl to Cluj Napoca flights
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Calgary to Cluj Napoca flights
Pearson Intl to Iaşi flights
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Vancouver Intl to Sibiu flights
Vancouver Intl to Iaşi flights
Québec City to Otopeni Intl flights
Pearson Intl to Sibiu flights
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Pearson Intl to Suceava flights
Halifax to Otopeni Intl flights
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Ottawa to Timisoara flights
Prince George to Otopeni Intl flights
London to Cluj Napoca flights
London to Otopeni Intl flights
Windsor to Timisoara flights
Victoria to Otopeni Intl flights
Windsor to Otopeni Intl flights
St John to Otopeni Intl flights
Windsor to Sibiu flights
Vancouver Intl to Bacău flights
Fort St. John to Cluj Napoca flights
Vancouver Intl to Timisoara flights

Top 9 airlines flying from Ontario to Bucharest

Discover the top 9 airlines that operate flights from Ontario to Bucharest. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 15 September 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapestC$ 706AverageC$ 1,049FlexibilityNo cancel feeOn-time79%
Search SWISS flights
LOTCheapestC$ 914AverageC$ 1,340FlexibilityNo cancel feeOn-time81%
Search LOT flights
British AirwaysCheapestC$ 918AverageC$ 1,096FlexibilityNo cancel feeOn-time70%
Search British Airways flights
DeltaCheapestC$ 944AverageC$ 1,149FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air FranceCheapestC$ 949AverageC$ 1,274FlexibilityNo cancel feeOn-time77%
Search Air France flights
KLMCheapestC$ 951AverageC$ 1,248FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air CanadaCheapestC$ 982AverageC$ 1,210FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Austrian AirlinesCheapestC$ 1,000AverageC$ 1,250FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
LufthansaCheapestC$ 1,007AverageC$ 1,194FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario to Bucharest?

Cheapflights makes it easy to find Ontario to Bucharest flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Bucharest?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Bucharest from Ontario.

Can Cheapflights find flights from Ontario to Bucharest with no change fees?

Certainly. Search results for flights to Bucharest from Ontario shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Ontario to Bucharest become cheaper?

Yes, Cheapflights offers price alerts on Ontario to Bucharest flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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