HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Austria

$600+ Cheap flights from Ontario (ONT) to Austria

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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — VIE
Nov 12 — Nov 191
Wed 11/12
Wed 11/19
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Austria with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Ontario to Austria

Keep the following information in mind while searching for Ontario to Austria flight deals. Data was last updated October 13, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$903
(Air Canada)

One-way from

$600
(Gotogate)

Popular in

June

Cheapest in

September

Average price

$740
Provider with most accurate pricing for Los Angeles-Vienna Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Vienna Intl flights.
Search Deals
From Ontario to Austria
Search Deals
One-way flight from Ontario to Austria
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($150 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Find flight deals from Ontario to Austria

Cheapest flights from Ontario to Austria
Explore the most affordable flight options available from Ontario to Austria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 13, 2025.

This Air Canada deal was found by Cheapflights users on 10/11. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/36:00 amONT - VIE
2 stops17h 45mMultiple Airlines
Sat 12/1310:35 amVIE - ONT
2 stops19h 07mMultiple Airlines
Deal found 10/11$966
This Air Canada deal was found by Cheapflights users on 10/11. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/56:00 amONT - VIE
2 stops17h 45mMultiple Airlines
Sun 12/1410:35 amVIE - ONT
2 stops19h 07mMultiple Airlines
Deal found 10/11$1,016
This Booking.com deal was found by Cheapflights users on 10/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/23:19 pmONT - VIE
2 stops17h 26mBritish Airways
Tue 12/1611:30 amVIE - ONT
2 stops19h 58mBritish Airways
Deal found 10/13$1,046
This Expedia deal was found by Cheapflights users on 10/11. 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.
Sat 11/811:59 amONT - VIE
2 stops24h 56mMultiple Airlines
Sat 11/154:25 pmVIE - ONT
2 stops40h 07mMultiple Airlines
Deal found 10/11$1,071
This Air Canada deal was found by Cheapflights users on 10/11. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/56:00 amONT - VIE
2 stops17h 45mMultiple Airlines
Tue 12/910:35 amVIE - ONT
2 stops19h 07mMultiple Airlines
Deal found 10/11$1,116
This Air Canada deal was found by Cheapflights users on 10/11. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/116:00 amONT - VIE
2 stops17h 35mMultiple Airlines
Sun 12/1410:35 amVIE - ONT
2 stops19h 07mMultiple Airlines
Deal found 10/11$1,159
This United Airlines deal was found by Cheapflights users on 10/13. 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.
Thu 11/271:40 pmONT - VIE
2 stops19h 25mUnited Airlines
Thu 12/410:35 amVIE - ONT
3 stops45h 14mUnited Airlines
Deal found 10/13$1,183
This Air Canada deal was found by Cheapflights users on 10/12. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/266:00 amONT - VIE
2 stops17h 45mMultiple Airlines
Sun 12/1410:35 amVIE - ONT
2 stops19h 07mMultiple Airlines
Deal found 10/12$1,216
This United Airlines deal was found by Cheapflights users on 10/11. 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.
Sat 11/86:00 amONT - VIE
2 stops21h 20mUnited Airlines
Sat 11/1510:55 amVIE - ONT
1 stop20h 36mUnited Airlines
Deal found 10/11$1,249
This United Airlines deal was found by Cheapflights users on 10/11. 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.
Mon 11/107:00 amONT - VIE
1 stop16h 05mUnited Airlines
Sun 5/3110:30 amVIE - ONT
1 stop20h 56mUnited Airlines
Deal found 10/11$1,323

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Austria 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 October 13, 2025.
Use the filters below to find and compare flights from Ontario to Austria that are best for you.

Fly from

Ontario

Fly to

Austria

Route

Depart

Return

Price

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Mon 3/2

5:40 am-8:35 am

2 stops17h 55m

Vienna Intl

Thu 3/12

10:40 am-10:15 pm

2 stops19h 35m

$903

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Tue 1/13

5:05 am-8:35 am

2 stops18h 30m

Vienna Intl

Tue 1/27

10:35 am-8:58 pm

2 stops19h 23m

$909

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Thu 3/12

5:40 am-8:25 am

2 stops18h 45m

Vienna Intl

Fri 3/20

10:55 am-10:15 pm

1 stop19h 20m

$953

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Fri 4/10

7:00 am-8:20 am

1 stop16h 20m

Vienna Intl

Fri 4/24

10:30 am-10:26 pm

1 stop20h 56m

$953

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Thu 2/12

5:40 am-8:25 am

2 stops17h 45m

Vienna Intl

Thu 2/26

10:35 am-10:57 pm

2 stops21h 22m

$959

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Wed 3/11

6:00 am-8:35 am

2 stops18h 35m

Vienna Intl

Wed 3/25

10:40 am-10:15 pm

2 stops19h 35m

$1,003

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Fri 3/13

11:50 pm-8:05 am

1 stop24h 15m

Vienna Intl

Sat 3/21

10:55 am-10:15 pm

1 stop19h 20m

$1,003

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Thu 3/12

5:40 am-8:25 am

2 stops18h 45m

Vienna Intl

Sat 3/21

10:55 am-10:15 pm

1 stop19h 20m

$1,003

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Wed 4/1

4:15 pm-8:20 am

2 stops55h 05m

Vienna Intl

Sun 4/5

6:50 am-10:26 pm

2 stops48h 36m

$1,049

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Wed 3/11

5:40 am-8:25 am

2 stops18h 45m

Vienna Intl

Wed 3/25

10:55 am-10:15 pm

1 stop19h 20m

$1,103

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/13

Showing 1-10 of 29 results
1
2
3

Best time to book a flight from Ontario to Austria

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

What is the cheapest month to book a flight from Ontario to Austria?

Currently, January is the cheapest month in which you can book a flight from Ontario to Austria (average of $424). Flying from Ontario to Austria in June is currently the most expensive (average of $805). 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.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Austria. 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 Austria?

    Ontario (ONT), located 3.1 mi from the city center, is the airport you fly out of when you book flights from Ontario to Austria.

  • How long is the flight from Ontario to Austria?

    Airlines like United Airlines and British Airways fly from Ontario to Austria in about 18h 45m. The time it takes to get you to your destination can typically vary by up to 22h 15m. Ontario and Austria are separated by a distance of 6089 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

  • How can I find direct flights from Ontario to Austria?

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

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

    Yes. Cheapflights offers flight deals from Ontario to Austria 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 Austria?

    Currently, January is the cheapest month in which you can book a flight from Ontario to Austria (average of $424). Flying from Ontario to Austria in June is currently the most expensive (average of $805). 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.

Alternative routes for Ontario to Austria

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Heathrow flights
San Francisco to Heathrow flights
Los Angeles to Charles de Gaulle flights
San Francisco to Charles de Gaulle flights
Los Angeles to Leonardo da Vinci/Fiumicino flights
Los Angeles to Madrid flights
Los Angeles to Istanbul flights
San Francisco to Gatwick flights
Los Angeles to Frankfurt flights
Los Angeles to Gatwick flights
San Francisco to Leonardo da Vinci/Fiumicino flights
San Francisco to London City flights
Los Angeles to London City flights
Los Angeles to Orly flights
San Francisco to Lisbon flights
San Francisco to Istanbul flights
San Francisco to Amsterdam flights
Los Angeles to Barcelona-El Prat flights
San Francisco to Barcelona-El Prat flights
San Francisco to Orly flights
San Francisco to Dublin flights
San Francisco to Frankfurt flights
San Francisco to Zurich flights
Los Angeles to Lisbon flights
San Francisco to Madrid flights
Los Angeles to Amsterdam flights
San Diego to Heathrow flights
Los Angeles to Dublin flights
Los Angeles to Stansted flights
Ontario to Heathrow flights
Los Angeles to Munich flights
San Francisco to Stansted flights
Ontario to Leonardo da Vinci/Fiumicino flights
San Francisco to Malpensa flights
San Francisco to Luton flights
Los Angeles to Luton flights
Los Angeles to Malpensa flights
San Francisco to Linate flights
San Francisco to Athens flights
San Francisco to Munich flights
Los Angeles to Athens flights
Ontario to Charles de Gaulle flights
Los Angeles to Zurich flights
Los Angeles to Linate flights
Santa Ana to Heathrow flights
Los Angeles to Sabiha Gokcen flights
Santa Ana to Charles de Gaulle flights
San Francisco to Vicenza flights
Burbank to Charles de Gaulle flights
Los Angeles to Vicenza flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.