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$520+ 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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — VIE
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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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 November 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$909
(Air Canada)

One-way from

$520
(flugladen.de)

Popular in

June

Cheapest in

September

Average price

$844
Provider with most accurate pricing for Los Angeles-Vienna Intl flight deals.
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Provider most trusted by Cheapflights users for Los Angeles-Vienna Intl flights.
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From Ontario to Austria
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One-way flight from Ontario to Austria
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Highest demand for flights based on searches. 15% potential increase in price ($163 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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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 November 3, 2025.

This United Airlines deal was found by Cheapflights users on 11/1. 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 12/255:05 amONT - VIE
2 stops18h 25mUnited Airlines
Wed 1/76:50 amVIE - ONT
2 stops19h 53mUnited Airlines
Deal found 11/1$1,121
This United Airlines deal was found by Cheapflights users on 11/1. 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 12/17:00 amONT - VIE
1 stop16h 05mUnited Airlines
Fri 12/1210:55 amVIE - ONT
2 stops20h 54mUnited Airlines
Deal found 11/1$1,153
This Air Canada deal was found by Cheapflights users on 11/1. 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 12/35:05 amONT - VIE
2 stops18h 40mAir Canada
Tue 3/310:35 amVIE - ONT
2 stops19h 15mAir Canada
Deal found 11/1$1,154
This United Airlines deal was found by Cheapflights users on 11/1. 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 12/15:05 amONT - VIE
2 stops18h 00mUnited Airlines
Tue 3/310:30 amVIE - ONT
2 stops19h 20mUnited Airlines
Deal found 11/1$1,157
This Air Canada deal was found by Cheapflights users on 11/1. 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.
Mon 12/17:00 amONT - VIE
2 stops16h 45mMultiple Airlines
Fri 12/1210:35 amVIE - ONT
2 stops19h 07mMultiple Airlines
Deal found 11/1$1,166
This United Airlines deal was found by Cheapflights users on 11/1. 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.
Fri 12/51:34 pmONT - VIE
2 stops19h 31mUnited Airlines
Fri 12/1210:55 amVIE - ONT
2 stops20h 54mUnited Airlines
Deal found 11/1$1,199
This United Airlines deal was found by Cheapflights users on 10/31. 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 12/17:00 amONT - VIE
1 stop16h 05mUnited Airlines
Mon 12/1510:55 amVIE - ONT
2 stops20h 54mUnited Airlines
Deal found 10/31$1,203
This Air Canada deal was found by Cheapflights users on 11/1. 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 12/45:05 amONT - VIE
2 stops18h 30mAir Canada
Fri 12/1210:35 amVIE - ONT
2 stops19h 07mAir Canada
Deal found 11/1$1,209
This United Airlines deal was found by Cheapflights users on 11/1. 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.
Fri 12/55:05 amONT - VIE
2 stops28h 00mUnited Airlines
Sat 12/1310:35 amVIE - ONT
2 stops34h 43mUnited Airlines
Deal found 11/1$1,233
This United Airlines deal was found by Cheapflights users on 11/2. 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.
Wed 12/245:05 amONT - VIE
3 stops42h 40mUnited Airlines
Tue 12/307:00 amVIE - ONT
2 stops24h 25mUnited Airlines
Deal found 11/2$1,278
This Air Canada deal was found by Cheapflights users on 11/2. 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.
Tue 12/235:05 amONT - VIE
2 stops42h 40mAir Canada
Tue 12/3010:35 amVIE - ONT
2 stops43h 32mAir Canada
Deal found 11/2$1,322
This oojo deal was found by Cheapflights users on 10/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1812:45 pmONT - INN
2 stops39h 20mBritish Airways
Fri 12/261:15 pmINN - ONT
2 stops33h 37mBritish Airways
Deal found 10/31$9,251

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 November 3, 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

Sun 3/29

6:02 am-8:20 am

2 stops17h 18m

Vienna Intl

Sun 4/12

10:30 am-10:26 pm

1 stop20h 56m

$959

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Thu 4/2

7:00 am-8:15 am

1 stop16h 15m

Vienna Intl

Sun 4/12

10:30 am-10:26 pm

1 stop20h 56m

$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

$1,048

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Mon 12/1

7:00 am-8:05 am

1 stop16h 05m

Vienna Intl

Fri 12/12

10:55 am-10:49 pm

2 stops20h 54m

$1,153

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Wed 12/3

5:05 am-8:05 am

2 stops18h 00m

Vienna Intl

Tue 3/3

10:30 am-8:50 pm

2 stops19h 20m

$1,157

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Tue 12/2

6:00 am-8:00 am

2 stops17h 00m

Vienna Intl

Tue 3/3

10:30 am-8:50 pm

2 stops19h 20m

$1,157

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Mon 12/1

5:05 am-8:05 am

2 stops18h 00m

Vienna Intl

Tue 3/3

10:30 am-8:50 pm

2 stops19h 20m

$1,157

OntarioInnsbruck

ONT - INN

ONTINN

Ontario

Thu 2/26

6:00 am-6:35 pm

2 stops27h 35m

Innsbruck Kranebitten

Mon 3/2

6:50 pm-9:07 pm

2 stops35h 17m

$1,187

OntarioInnsbruck

ONT - INN

ONTINN

Ontario

Thu 2/26

10:59 am-1:05 pm

2 stops41h 06m

Innsbruck Kranebitten

Mon 3/2

7:25 pm-10:51 pm

2 stops36h 26m

$1,533

OntarioInnsbruck

ONT - INN

ONTINN

Ontario

Thu 12/18

12:45 pm-1:05 pm

2 stops39h 20m

Innsbruck Kranebitten

Fri 12/26

1:15 pm-1:52 pm

2 stops33h 37m

$9,251

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

Showing 1-10 of 26 results
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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, October is the cheapest month in which you can book a flight from Ontario to Austria (average of $412). 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, KLM, and British Airways fly from Ontario to Austria in about 17h 18m. The time it takes to get you to your destination can typically vary by up to 23h 48m. 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, October is the cheapest month in which you can book a flight from Ontario to Austria (average of $412). 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

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