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$611+ 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 2/23. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — VIE
Dec 24 — Dec 311
Wed 12/24
Wed 12/31
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 24, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$882
(United Airlines)

One-way from

$611
(oojo)

Popular in

June

Cheapest in

September

Average price

$956
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. 14% potential increase in price ($150 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 24, 2025.

This Mytrip deal was found by Cheapflights users on 11/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/3012:42 amONT - VIE
3 stops29h 38mMultiple Airlines
Mon 12/87:50 amVIE - ONT
2 stops19h 54mMultiple Airlines
Deal found 11/24$1,200
This Expedia deal was found by Cheapflights users on 11/24. 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.
Thu 12/1112:13 pmONT - VIE
2 stops18h 07mMultiple Airlines
Wed 12/245:10 pmVIE - ONT
2 stops40h 04mMultiple Airlines
Deal found 11/24$1,213
This oojo deal was found by Cheapflights users on 11/24. 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.
Wed 12/2412:48 pmONT - VIE
2 stops18h 22mBritish Airways
Sun 1/1111:40 amVIE - ONT
2 stops40h 05mBritish Airways
Deal found 11/24$1,305
This Air Canada deal was found by Cheapflights users on 11/22. 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 12/85:05 amONT - VIE
2 stops18h 30mAir Canada
Tue 12/1610:35 amVIE - ONT
2 stops19h 07mAir Canada
Deal found 11/22$1,409
This oojo deal was found by Cheapflights users on 11/22. 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.
Tue 12/94:47 pmONT - VIE
2 stops20h 48mBritish Airways
Sun 2/86:50 amVIE - ONT
2 stops24h 58mBritish Airways
Deal found 11/22$1,482
This oojo deal was found by Cheapflights users on 11/23. 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.
Sun 12/284:47 pmONT - VIE
2 stops18h 38mBritish Airways
Sun 1/117:00 pmVIE - ONT
2 stops31h 22mBritish Airways
Deal found 11/23$1,509
This Air Canada deal was found by Cheapflights users on 11/24. 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 12/115:05 amONT - VIE
3 stops19h 40mAir Canada
Wed 12/246:00 amVIE - ONT
3 stops24h 07mAir Canada
Deal found 11/24$1,537
This oojo deal was found by Cheapflights users on 11/24. 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.
Fri 12/262:42 pmONT - VIE
2 stops22h 53mBritish Airways
Fri 1/99:05 pmVIE - ONT
2 stops30h 40mBritish Airways
Deal found 11/24$1,571
This Priceline deal was found by Cheapflights users on 11/23. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/26:10 amONT - VIE
2 stops31h 25mBritish Airways
Thu 2/511:05 amVIE - ONT
2 stops20h 08mBritish Airways
Deal found 11/23$1,605
This oojo deal was found by Cheapflights users on 11/23. 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 12/2510:50 amONT - VIE
2 stops20h 20mBritish Airways
Thu 1/88:55 pmVIE - ONT
2 stops29h 27mBritish Airways
Deal found 11/23$1,636
This Air Canada deal was found by Cheapflights users on 11/22. 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 12/126:00 amONT - VIE
2 stops17h 45mMultiple Airlines
Fri 12/1910:35 amVIE - ONT
2 stops19h 32mMultiple Airlines
Deal found 11/22$1,765

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 24, 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

Tue 2/24

5:00 am-6:05 pm

2 stops28h 05m

Vienna Intl

Tue 3/10

10:35 am-12:18 pm

2 stops33h 43m

$882

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Tue 1/13

5:05 am-8:30 am

2 stops18h 25m

Vienna Intl

Tue 1/27

10:35 am-5:43 pm

2 stops40h 08m

$886

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Fri 1/16

3:09 pm-6:25 pm

2 stops18h 16m

Vienna Intl

Fri 1/30

11:30 am-10:48 pm

2 stops20h 18m

$959

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Thu 2/26

2:47 pm-4:10 pm

2 stops16h 23m

Vienna Intl

Thu 3/12

7:25 am-10:07 pm

2 stops22h 42m

$959

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Sun 2/22

5:06 pm-8:25 pm

2 stops18h 19m

Vienna Intl

Sun 3/8

10:55 am-9:07 pm

2 stops19h 12m

$959

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Sat 2/14

5:06 pm-10:30 pm

2 stops20h 24m

Vienna Intl

Mon 2/23

9:15 pm-4:25 pm

2 stops28h 10m

$959

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Sat 1/17

5:05 am-8:30 am

2 stops18h 25m

Vienna Intl

Sat 1/31

10:30 am-8:58 pm

2 stops19h 28m

$1,007

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Tue 3/24

3:19 pm-5:45 pm

2 stops18h 26m

Vienna Intl

Tue 4/7

7:35 am-9:56 pm

2 stops23h 21m

$1,054

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Fri 3/27

11:30 am-9:55 pm

2 stops26h 25m

Vienna Intl

Sun 4/5

10:30 am-10:53 am

2 stops33h 23m

$1,071

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Tue 1/6

10:44 am-9:55 pm

2 stops26h 11m

Vienna Intl

Tue 1/13

6:45 am-3:08 pm

2 stops41h 23m

$1,095

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/23

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 $408). 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, British Airways, and American Airlines fly from Ontario to Austria in about 18h 16m. The time it takes to get you to your destination can typically vary by up to 9h 49m. 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 $408). 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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