How does KAYAK find such low prices on flights from Ontario to Vienna?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to Vienna.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to Vienna?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Vienna from Ontario is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Ontario to Vienna?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Vienna with an airline and back to Ontario with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to Vienna?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Vienna from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

C$ 294 CHEAP FLIGHTS from Ontario to Vienna

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Flight Deals

Cheap Flights from Ontario to Vienna

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Ontario to Vienna

Thu, 22 Oct - Thu, 29 Oct

7:55 p.m. - 3:50 p.m.YYZ Toronto Pearson Intl-VIE Vienna Intl

13h 55m1 stop Frankfurt am Main

7:50 a.m. - 2:50 p.m.VIE Vienna Intl-YYZ Toronto Pearson Intl

12h 00m1 stop Frankfurt am Main

C$ 831Condor

Wed, 30 Dec - Wed, 6 Jan

10:45 p.m. - 9:00 p.m.YYZ Toronto Pearson Intl-VIE Vienna Intl

16h 15m1 stop Lisbon Humberto Delgado

7:40 a.m. - 9:15 p.m.VIE Vienna Intl-YYZ Toronto Pearson Intl

19h 35m1 stop Lisbon Humberto Delgado

C$ 832Multiple Airlines

Sun, 25 Oct - Sat, 31 Oct

5:00 p.m. - 10:20 a.m.YYZ Toronto Pearson Intl-VIE Vienna Intl

12h 20m1 stop Frankfurt am Main

7:50 a.m. - 2:50 p.m.VIE Vienna Intl-YYZ Toronto Pearson Intl

12h 00m1 stop Frankfurt am Main

C$ 835Condor

Thu, 15 Oct - Sat, 31 Oct

11:55 p.m. - 10:05 p.m.YYZ Toronto Pearson Intl-VIE Vienna Intl

16h 10m1 stop Dublin

2:00 p.m. - 3:05 p.m.VIE Vienna Intl-YYZ Toronto Pearson Intl

54h 05m2 stops Bergamo Orio Al Serio Paris Orly

C$ 839Multiple Airlines

Mon, 1 Mar - Thu, 4 Mar

7:20 p.m. - 9:10 a.m.YUL Montreal Pierre Elliott Trudeau Intl-VIE Vienna Intl

31h 50m1 stop London Heathrow

7:20 a.m. - 11:45 a.m.VIE Vienna Intl-YUL Montreal Pierre Elliott Trudeau Intl

10h 25m1 stop Brussels Bruxelles-National

C$ 890Austrian Airlines

Tue, 2 Mar - Thu, 4 Mar

7:20 p.m. - 10:40 p.m.YUL Montreal Pierre Elliott Trudeau Intl-VIE Vienna Intl

21h 20m1 stop London Heathrow

8:25 p.m. - 11:20 a.m.VIE Vienna Intl-YUL Montreal Pierre Elliott Trudeau Intl

20h 55m1 stop Paris Charles de Gaulle

C$ 894Austrian Airlines

Sat, 14 Nov - Mon, 16 Nov

6:10 p.m. - 3:05 p.m.YUL Montreal Pierre Elliott Trudeau Intl-VIE Vienna Intl

14h 55m2 stops Toronto Pearson Intl Frankfurt am Main

12:35 p.m. - 3:35 p.m.VIE Vienna Intl-YUL Montreal Pierre Elliott Trudeau Intl

33h 00m1 stop London Heathrow

C$ 906Air Canada

Wed, 18 Nov - Wed, 9 Dec

5:10 p.m. - 9:35 a.m.YYZ Toronto Pearson Intl-VIE Vienna Intl

10h 25m1 stop Kastrup Copenhagen

10:15 a.m. - 3:40 p.m.VIE Vienna Intl-YYZ Toronto Pearson Intl

11h 25m1 stop Kastrup Copenhagen

C$ 908Scandinavian Airlines

Tue, 17 Nov - Wed, 9 Dec

5:10 p.m. - 9:35 a.m.YYZ Toronto Pearson Intl-VIE Vienna Intl

10h 25m1 stop Kastrup Copenhagen

10:15 a.m. - 3:40 p.m.VIE Vienna Intl-YYZ Toronto Pearson Intl

11h 25m1 stop Kastrup Copenhagen

C$ 908Scandinavian Airlines

Tue, 2 Mar - Fri, 5 Mar

3:10 p.m. - 8:40 a.m.YUL Montreal Pierre Elliott Trudeau Intl-VIE Vienna Intl

35h 30m2 stops Toronto Pearson Intl Zurich

6:50 a.m. - 3:40 p.m.VIE Vienna Intl-YUL Montreal Pierre Elliott Trudeau Intl

14h 50m1 stop London Heathrow

C$ 920Air Canada

Recent last minute flight deals from Ontario to Vienna

Mon, 21 Sep - Fri, 16 Oct

7:55 p.m. - 3:50 p.m.YYZ Toronto Pearson Intl-VIE Vienna Intl

13h 55m1 stop Frankfurt am Main

11:05 a.m. - 5:55 p.m.VIE Vienna Intl-YYZ Toronto Pearson Intl

12h 50m1 stop Frankfurt am Main

C$ 831Condor

Tue, 22 Sep - Thu, 15 Oct

7:55 p.m. - 3:50 p.m.YYZ Toronto Pearson Intl-VIE Vienna Intl

13h 55m1 stop Frankfurt am Main

8:40 a.m. - 5:55 p.m.VIE Vienna Intl-YYZ Toronto Pearson Intl

15h 15m1 stop Frankfurt am Main

C$ 862Condor

Mon, 21 Sep - Mon, 19 Oct

11:55 p.m. - 9:00 a.m.YYZ Toronto Pearson Intl-VIE Vienna Intl

27h 05m2 stops Dublin Milan Malpensa

8:55 p.m. - 3:40 p.m.VIE Vienna Intl-YYZ Toronto Pearson Intl

24h 45m1 stop London Stansted

C$ 995Multiple Airlines

Mon, 21 Sep - Sat, 3 Oct

8:25 p.m. - 10:15 a.m.YUL Montreal Pierre Elliott Trudeau Intl-VIE Vienna Intl

31h 50m1 stop Rome Fiumicino

1:15 p.m. - 2:15 p.m.VIE Vienna Intl-YUL Montreal Pierre Elliott Trudeau Intl

31h 00m2 stops Krakow J. Paul II Balice London Stansted

C$ 1,031Multiple Airlines

Mon, 21 Sep - Wed, 7 Oct

4:40 p.m. - 10:10 a.m.YUL Montreal Pierre Elliott Trudeau Intl-VIE Vienna Intl

11h 30m1 stop Zurich

11:00 a.m. - 1:50 p.m.VIE Vienna Intl-YUL Montreal Pierre Elliott Trudeau Intl

8h 50mdirect

C$ 1,069Air Canada

Mon, 21 Sep - Mon, 19 Oct

9:30 a.m. - 8:50 a.m.YTZ Toronto Island-VIE Vienna Intl

17h 20m2 stops Montreal Pierre Elliott Trudeau Intl Zurich

11:00 a.m. - 9:30 p.m.VIE Vienna Intl-YTZ Toronto Island

16h 30m1 stop Montreal Pierre Elliott Trudeau Intl

C$ 1,102Air Canada

Tue, 22 Sep - Thu, 15 Oct

11:00 a.m. - 8:10 a.m.YYZ Toronto Pearson Intl-VIE Vienna Intl

15h 10m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl

10:30 a.m. - 3:46 p.m.VIE Vienna Intl-YYZ Toronto Pearson Intl

35h 16m1 stop Chicago O'Hare Intl

C$ 1,118United Airlines

Tue, 22 Sep - Thu, 15 Oct

11:00 a.m. - 8:10 a.m.YYZ Toronto Pearson Intl-VIE Vienna Intl

15h 10m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl

10:45 a.m. - 6:25 a.m.VIE Vienna Intl-YYZ Toronto Pearson Intl

49h 40m2 stops Newark Ottawa

C$ 1,118United Airlines

Sun, 20 Sep - Wed, 30 Sep

6:20 p.m. - 9:00 a.m.YUL Montreal Pierre Elliott Trudeau Intl-VIE Vienna Intl

32h 40m1 stop Paris Charles de Gaulle

6:10 p.m. - 10:40 a.m.VIE Vienna Intl-YUL Montreal Pierre Elliott Trudeau Intl

22h 30m1 stop Brussels Bruxelles-National

C$ 1,193Austrian Airlines

Sun, 20 Sep - Wed, 30 Sep

6:20 p.m. - 10:10 p.m.YUL Montreal Pierre Elliott Trudeau Intl-VIE Vienna Intl

21h 50m1 stop Paris Charles de Gaulle

12:20 p.m. - 10:40 a.m.VIE Vienna Intl-YUL Montreal Pierre Elliott Trudeau Intl

28h 20m1 stop Brussels Bruxelles-National

C$ 1,197Austrian Airlines