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Cheap flights from Ontario to Bucharest from C$ 378

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 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BUH
30 May — 6 Jun1
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 30 April 2026.

Wed 3/64:40 p.m.
YUL
-
OTP
1 stop25h 30m
SWISS
Tue 16/64:10 p.m.
OTP
-
YUL
1 stop29h 50m
SWISS
Deal found 27/4C$ 977
Tue 12/58:40 p.m.
YUL
-
OTP
1 stop14h 55m
Multiple Airlines
Thu 11/66:20 a.m.
OTP
-
YUL
1 stop15h 40m
Multiple Airlines
Deal found 29/4C$ 981
Wed 3/610:10 a.m.
YUL
-
OTP
2 stops18h 50m
Multiple Airlines
Wed 24/66:20 a.m.
OTP
-
YUL
1 stop15h 40m
Multiple Airlines
Deal found 28/4C$ 982
Thu 4/64:40 p.m.
YUL
-
OTP
1 stop15h 40m
SWISS
Wed 17/66:20 a.m.
OTP
-
YUL
1 stop15h 40m
SWISS
Deal found 30/4C$ 984
Thu 4/64:40 p.m.
YUL
-
OTP
1 stop25h 30m
SWISS
Tue 16/64:10 p.m.
OTP
-
YUL
1 stop29h 50m
SWISS
Deal found 27/4C$ 985
Tue 2/69:10 a.m.
YUL
-
OTP
2 stops23h 10m
Air Canada
Wed 24/66:20 a.m.
OTP
-
YUL
1 stop15h 40m
Air Canada
Deal found 29/4C$ 988
Thu 30/48:40 p.m.
YUL
-
OTP
1 stop14h 55m
Air Canada
Tue 12/56:35 a.m.
OTP
-
YUL
1 stop14h 15m
Air Canada
Deal found 27/4C$ 989
Tue 2/65:30 p.m.
YUL
-
OTP
2 stops35h 30m
Multiple Airlines
Wed 17/66:20 a.m.
OTP
-
YUL
1 stop15h 40m
Multiple Airlines
Deal found 30/4C$ 991
Wed 3/62:10 p.m.
YUL
-
OTP
2 stops14h 50m
Multiple Airlines
Thu 18/66:20 a.m.
OTP
-
YUL
1 stop15h 40m
Multiple Airlines
Deal found 27/4C$ 992
Wed 3/611:10 a.m.
YUL
-
OTP
2 stops17h 50m
Air Canada
Thu 18/66:20 a.m.
OTP
-
YUL
1 stop15h 40m
Air Canada
Deal found 26/4C$ 993
Mon 11/54:40 p.m.
YUL
-
OTP
1 stop15h 40m
Air Canada
Tue 9/66:15 a.m.
OTP
-
YUL
2 stops19h 44m
Air Canada
Deal found 29/4C$ 995
Sun 10/54:30 p.m.
YYZ
-
OTP
1 stop15h 50m
Multiple Airlines
Wed 27/54:10 p.m.
OTP
-
YYZ
1 stop31h 05m
Multiple Airlines
Deal found 28/4C$ 1,017

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 30 April 2026.

Round-trip from

C$ 977

One-way from

C$ 378

Popular in

June

Cheapest in

November

Average price

C$ 1,099
SWISS
  • SWISS
  • 3/6-16/6
  • 2 total stops
  • 55h 20m total
  • Ontario to Bucharest
Search Deals
2/6
  • 2/6
  • 3 total stops
  • 21h 55m total
  • Ontario to Bucharest
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 111 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 30 April 2026.
Use the filters below to find and compare flights from Ontario to Bucharest that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealBucharest

YUL - OTP

YULOTP

Montreal Pierre Elliott Trudeau Intl

Thu 4/6

4:40 p.m.-3:20 p.m.

1 stop15h 40m

Bucharest Otopeni Intl

Wed 24/6

6:20 a.m.-3:00 p.m.

1 stop15h 40m

C$ 984

MontrealBucharest

YUL - OTP

YULOTP

Montreal Pierre Elliott Trudeau Intl

Thu 4/6

4:40 p.m.-3:20 p.m.

1 stop15h 40m

Bucharest Otopeni Intl

Wed 17/6

6:20 a.m.-3:00 p.m.

1 stop15h 40m

C$ 984

MontrealBucharest

YUL - OTP

YULOTP

Montreal Pierre Elliott Trudeau Intl

Wed 3/6

4:40 p.m.-3:20 p.m.

1 stop15h 40m

Bucharest Otopeni Intl

Tue 23/6

6:20 a.m.-4:22 p.m.

2 stops17h 02m

C$ 988

MontrealBucharest

YUL - OTP

YULOTP

Montreal Pierre Elliott Trudeau Intl

Tue 12/5

6:50 p.m.-5:20 p.m.

1 stop15h 30m

Bucharest Otopeni Intl

Tue 19/5

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

1 stop16h 50m

C$ 1,010

TorontoBucharest

YTZ - OTP

YTZOTP

Toronto Island

Mon 11/5

4:00 p.m.-1:35 a.m.

2 stops26h 35m

Bucharest Otopeni Intl

Wed 27/5

8:00 a.m.-10:20 p.m.

2 stops21h 20m

C$ 1,018

MontrealBucharest

YUL - OTP

YULOTP

Montreal Pierre Elliott Trudeau Intl

Wed 10/6

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

1 stop12h 45m

Bucharest Otopeni Intl

Mon 29/6

2:00 p.m.-8:33 a.m.

2 stops25h 33m

C$ 1,040

TorontoBucharest

YYZ - OTP

YYZOTP

Toronto Pearson Intl

Wed 13/5

4:45 p.m.-5:20 p.m.

1 stop17h 35m

Bucharest Otopeni Intl

Sat 20/6

2:00 p.m.-1:20 p.m.

1 stop30h 20m

C$ 1,049

TorontoBucharest

YYZ - OTP

YYZOTP

Toronto Pearson Intl

Mon 11/5

9:55 p.m.-12:55 a.m.

1 stop20h 00m

Bucharest Otopeni Intl

Thu 21/5

6:10 p.m.-1:20 p.m.

1 stop26h 10m

C$ 1,052

MontrealBucharest

YUL - OTP

YULOTP

Montreal Pierre Elliott Trudeau Intl

Mon 8/6

10:00 p.m.-1:20 a.m.

1 stop20h 20m

Bucharest Otopeni Intl

Tue 30/6

6:10 p.m.-8:15 p.m.

1 stop33h 05m

C$ 1,063

MontrealBucharest

YUL - OTP

YULOTP

Montreal Pierre Elliott Trudeau Intl

Sat 6/6

10:00 p.m.-12:20 a.m.

1 stop19h 20m

Bucharest Otopeni Intl

Sun 21/6

8:10 a.m.-8:15 p.m.

1 stop19h 05m

C$ 1,063

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/4

Showing 1-10 of 60 resultsSorted by cheapest first
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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

How far ahead should I book a flight from Region of Ontario to Bucharest?

The best time to book flights from Region of Ontario to Bucharest is 66 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, May is the cheapest month in which you can book a flight from Region of Ontario to Bucharest (average of C$ 449). Flying from Region of Ontario to Bucharest in July is currently the most expensive (average of C$ 1,021). 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 15h 30m. Fly via SWISS, Delta, or KLM to get the fastest option. There are 7277 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$ 697. 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 Montreal Pierre Elliott Trudeau Intl - Bucharest Otopeni Intl or Toronto Island - Bucharest Otopeni Intl, Toronto Pearson 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, May is the cheapest month in which you can book a flight from Region of Ontario to Bucharest (average of C$ 449). Flying from Region of Ontario to Bucharest in July is currently the most expensive (average of C$ 1,021). 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.

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 30 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapestC$ 761AverageC$ 908FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
SWISSCheapestC$ 784AverageC$ 1,039FlexibilityNo cancel feeOn-time79%
Search SWISS flights
American AirlinesCheapestC$ 807AverageC$ 857FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
British AirwaysCheapestC$ 825AverageC$ 1,237FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air CanadaCheapestC$ 876AverageC$ 1,165FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air FranceCheapestC$ 888AverageC$ 1,553FlexibilityNo cancel feeOn-time77%
Search Air France flights
DeltaCheapestC$ 898AverageC$ 1,164FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
LOTCheapestC$ 906AverageC$ 1,334FlexibilityNo cancel feeOn-time81%
Search LOT flights
LufthansaCheapestC$ 924AverageC$ 1,134FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Austrian AirlinesCheapestC$ 958AverageC$ 1,235FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines 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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