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Cheap flights from Ontario to Bucharest from C$ 405

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 15/5. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BUH
28 Feb — 7 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Bucharest

Enter your travel dates to find the best prices.

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 29 January 2026.

Tue 14/45:00 p.m.
YUL
-
OTP
1 stop15h 50m
Multiple Airlines
Thu 23/47:00 a.m.
OTP
-
YUL
1 stop16h 55m
Multiple Airlines
Deal found 27/1C$ 728
Wed 4/25:00 p.m.
YUL
-
OTP
1 stop12h 05m
Delta
Wed 25/26:00 a.m.
OTP
-
YUL
1 stop18h 20m
Delta
Deal found 26/1C$ 729
Mon 2/27:05 p.m.
YUL
-
OTP
1 stop13h 45m
Air France
Sun 8/26:05 a.m.
OTP
-
YUL
1 stop16h 15m
Air France
Deal found 26/1C$ 730
Tue 3/25:00 p.m.
YUL
-
OTP
1 stop22h 50m
Delta
Tue 17/21:55 p.m.
OTP
-
YUL
1 stop34h 25m
Delta
Deal found 27/1C$ 732
Thu 19/36:00 p.m.
YUL
-
OTP
1 stop12h 05m
Delta
Wed 1/47:05 a.m.
OTP
-
YUL
1 stop16h 50m
Delta
Deal found 29/1C$ 733
Tue 3/28:40 p.m.
YUL
-
OTP
1 stop19h 15m
American Airlines
Fri 20/28:00 a.m.
OTP
-
YUL
1 stop17h 45m
American Airlines
Deal found 27/1C$ 734
Wed 11/25:00 p.m.
YUL
-
OTP
1 stop12h 05m
Delta
Wed 18/26:00 a.m.
OTP
-
YUL
1 stop18h 20m
Delta
Deal found 29/1C$ 736
Tue 14/47:00 p.m.
YUL
-
OTP
1 stop20h 50m
Air France
Thu 23/46:00 a.m.
OTP
-
YUL
1 stop16h 00m
Air France
Deal found 28/1C$ 739
Wed 8/45:00 p.m.
YUL
-
OTP
1 stop12h 45m
Delta
Wed 6/56:00 a.m.
OTP
-
YUL
1 stop13h 00m
Delta
Deal found 28/1C$ 740
Mon 9/28:40 p.m.
YUL
-
OTP
1 stop11h 50m
British Airways
Mon 16/28:25 p.m.
OTP
-
YUL
1 stop29h 20m
British Airways
Deal found 27/1C$ 741
Sun 26/46:50 p.m.
YUL
-
OTP
1 stop15h 30m
Multiple Airlines
Sun 10/58:40 a.m.
OTP
-
YUL
1 stop13h 20m
Multiple Airlines
Deal found 27/1C$ 745
Thu 30/46:05 p.m.
YYZ
-
OTP
1 stop24h 15m
British Airways
Mon 4/58:15 a.m.
OTP
-
YYZ
1 stop14h 50m
British Airways
Deal found 28/1C$ 805

Find flight deals from Ontario to Bucharest

Keep the following information in mind while searching for Ontario to Bucharest flight deals. Data was last updated 29 January 2026.

Round-trip from

C$ 728

One-way from

C$ 405

Popular in

August

Cheapest in

November

Average price

C$ 976
KLM
  • KLM
  • 14/4-23/4
  • 2 total stops
  • 32h 45m total
  • Ontario to Bucharest
Search Deals
15/5
  • 15/5
  • 2 total stops
  • 25h 30m total
  • Ontario to Bucharest
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 195 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 29 January 2026.
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 16/3

8:05 p.m.-10:50 p.m.

1 stop20h 45m

Bucharest Otopeni Intl

Wed 8/4

2:00 p.m.-4:55 p.m.

1 stop33h 55m

C$ 729

MontrealBucharest

YUL - OTP

YULOTP

Montreal Pierre Elliott Trudeau Intl

Mon 9/2

7:05 p.m.-10:50 p.m.

1 stop20h 45m

Bucharest Otopeni Intl

Wed 18/2

6:00 a.m.-5:20 p.m.

1 stop18h 20m

C$ 729

MontrealBucharest

YUL - OTP

YULOTP

Montreal Pierre Elliott Trudeau Intl

Mon 9/2

7:05 p.m.-10:50 p.m.

1 stop20h 45m

Bucharest Otopeni Intl

Tue 17/2

1:55 p.m.-5:20 p.m.

1 stop34h 25m

C$ 729

MontrealBucharest

YUL - OTP

YULOTP

Montreal Pierre Elliott Trudeau Intl

Thu 19/3

6:00 p.m.-12:05 p.m.

1 stop12h 05m

Bucharest Otopeni Intl

Wed 1/4

7:05 a.m.-4:55 p.m.

1 stop16h 50m

C$ 733

MontrealBucharest

YUL - OTP

YULOTP

Montreal Pierre Elliott Trudeau Intl

Wed 11/2

5:00 p.m.-12:05 p.m.

1 stop12h 05m

Bucharest Otopeni Intl

Wed 18/2

6:00 a.m.-5:20 p.m.

1 stop18h 20m

C$ 736

MontrealBucharest

YUL - OTP

YULOTP

Montreal Pierre Elliott Trudeau Intl

Mon 9/2

8:40 p.m.-3:30 p.m.

1 stop11h 50m

Bucharest Otopeni Intl

Mon 16/2

8:25 p.m.-6:45 p.m.

1 stop29h 20m

C$ 741

MontrealBucharest

YUL - OTP

YULOTP

Montreal Pierre Elliott Trudeau Intl

Wed 4/3

8:40 p.m.-11:30 p.m.

1 stop19h 50m

Bucharest Otopeni Intl

Wed 25/3

3:50 p.m.-8:05 p.m.

1 stop34h 15m

C$ 741

MontrealBucharest

YUL - OTP

YULOTP

Montreal Pierre Elliott Trudeau Intl

Mon 20/4

5:00 p.m.-12:45 p.m.

1 stop12h 45m

Bucharest Otopeni Intl

Wed 27/5

6:00 a.m.-12:00 p.m.

1 stop13h 00m

C$ 762

MontrealBucharest

YUL - OTP

YULOTP

Montreal Pierre Elliott Trudeau Intl

Tue 21/4

5:00 p.m.-12:45 p.m.

1 stop12h 45m

Bucharest Otopeni Intl

Wed 27/5

6:00 a.m.-12:00 p.m.

1 stop13h 00m

C$ 762

MontrealBucharest

YUL - OTP

YULOTP

Montreal Pierre Elliott Trudeau Intl

Tue 14/4

12:30 p.m.-3:25 p.m.

2 stops19h 55m

Bucharest Otopeni Intl

Thu 23/4

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

1 stop19h 00m

C$ 786

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/1

Showing 1-10 of 60 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, November is the cheapest month in which you can book a flight from Region of Ontario to Bucharest (average of C$ 721). Flying from Region of Ontario to Bucharest in July is currently the most expensive (average of C$ 1,157). 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.

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 20h 20m. Fly via Delta, British Airways, 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 cheapest airlines to fly from Region of Ontario to Bucharest one-way?

    The cheapest airline one-way is Lufthansa, with whom users have recently found tickets for as low as C$ 691. However, be on the lookout for offers from Air Canada and LOT, as they are both options that can get you from Region of Ontario to Bucharest for a low price.

  • 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, November is the cheapest month in which you can book a flight from Region of Ontario to Bucharest (average of C$ 721). Flying from Region of Ontario to Bucharest in July is currently the most expensive (average of C$ 1,157). 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
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Pierre Elliott Trudeau Intl to Cluj Napoca flights
Pierre Elliott Trudeau Intl to Timisoara flights
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Pierre Elliott Trudeau Intl to Sibiu flights
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Fort St. John to Cluj Napoca flights
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St John to Otopeni Intl flights
Windsor to Timisoara flights
Windsor to Sibiu flights
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Québec City to Otopeni Intl flights
Ottawa to Timisoara flights

Top 10 airlines flying from Ontario to Bucharest

Discover the top 10 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 29 January 2026.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapestC$ 694AverageC$ 1,031FlexibilityNo cancel feeOn-time79%
Search SWISS flights
American AirlinesCheapestC$ 801AverageC$ 850FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Austrian AirlinesCheapestC$ 807AverageC$ 1,193FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
LOTCheapestC$ 899AverageC$ 1,316FlexibilityNo cancel feeOn-time81%
Search LOT flights
British AirwaysCheapestC$ 902AverageC$ 1,219FlexibilityNo cancel feeOn-time70%
Search British Airways flights
DeltaCheapestC$ 927AverageC$ 1,050FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air FranceCheapestC$ 933AverageC$ 1,255FlexibilityNo cancel feeOn-time77%
Search Air France flights
Air CanadaCheapestC$ 938AverageC$ 1,171FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
KLMCheapestC$ 940AverageC$ 1,224FlexibilityNo cancel feeOn-time75%
Search KLM flights
LufthansaCheapestC$ 1,013AverageC$ 1,124FlexibilityNo 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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