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$293+ 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 2/8. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — VIE
Feb 10 — Feb 171
Tue 2/10
Tue 2/17
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 January 11, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$903
(oojo)

One-way from

$293
(Trip.com)

Popular in

June

Cheapest in

November

Average price

$727
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. 19% potential increase in price ($207 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 11, 2026.

This oojo deal was found by Cheapflights users on 1/9. 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.
Mon 3/22:39 pmONT - VIE
2 stops22h 56mBritish Airways
Tue 3/177:25 amVIE - ONT
2 stops23h 24mBritish Airways
Deal found 1/9$903
This United Airlines deal was found by Cheapflights users on 1/10. 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 4/157:00 amONT - VIE
2 stops16h 20mUnited Airlines
Thu 4/2310:30 amVIE - ONT
1 stop20h 56mUnited Airlines
Deal found 1/10$911
This Air Canada deal was found by Cheapflights users on 1/10. 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 4/157:00 amONT - VIE
2 stops16h 20mMultiple Airlines
Thu 4/2310:30 amVIE - ONT
2 stops19h 06mMultiple Airlines
Deal found 1/10$919
This oojo deal was found by Cheapflights users on 1/9. 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 3/110:56 amONT - VIE
2 stops17h 34mBritish Airways
Sun 3/1510:55 amVIE - ONT
2 stops21h 04mBritish Airways
Deal found 1/9$953
This oojo deal was found by Cheapflights users on 1/10. 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.
Sat 4/114:52 pmONT - VIE
2 stops42h 18mBritish Airways
Sat 4/2511:45 amVIE - ONT
2 stops19h 50mBritish Airways
Deal found 1/10$959
This United Airlines deal was found by Cheapflights users on 1/9. 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 4/107:00 amONT - VIE
1 stop16h 15mUnited Airlines
Fri 4/2410:30 amVIE - ONT
2 stops20h 56mUnited Airlines
Deal found 1/9$961
This oojo deal was found by Cheapflights users on 1/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/205:02 pmONT - VIE
2 stops21h 33mBritish Airways
Sun 3/298:05 pmVIE - ONT
2 stops31h 37mBritish Airways
Deal found 1/11$1,003
This United Airlines deal was found by Cheapflights users on 1/10. 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 4/117:00 amONT - VIE
1 stop16h 15mUnited Airlines
Sat 4/2510:30 amVIE - ONT
2 stops21h 15mUnited Airlines
Deal found 1/10$1,011
This oojo deal was found by Cheapflights users on 1/10. 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 3/52:39 pmONT - VIE
2 stops16h 31mBritish Airways
Thu 3/197:25 amVIE - ONT
2 stops24h 34mBritish Airways
Deal found 1/10$1,028
This oojo deal was found by Cheapflights users on 1/10. 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.
Mon 5/114:52 pmONT - VIE
2 stops20h 48mBritish Airways
Mon 5/257:20 pmVIE - ONT
2 stops31h 52mBritish Airways
Deal found 1/10$1,048
This oojo deal was found by Cheapflights users on 1/10. 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 3/155:02 pmONT - VIE
2 stops19h 23mBritish Airways
Sun 3/227:00 pmVIE - ONT
2 stops31h 42mBritish Airways
Deal found 1/10$1,078
This oojo deal was found by Cheapflights users on 1/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/94:52 pmONT - VIE
2 stops20h 38mBritish Airways
Mon 5/1811:35 amVIE - ONT
2 stops40h 02mBritish Airways
Deal found 1/11$1,087

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 January 11, 2026.
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

Wed 4/15

4:52 pm-7:30 pm

2 stops17h 38m

Vienna Intl

Thu 4/23

7:40 am-10:35 pm

2 stops23h 55m

$903

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Wed 3/4

10:56 am-1:20 pm

2 stops17h 24m

Vienna Intl

Wed 3/18

10:05 am-10:19 pm

2 stops20h 14m

$903

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Wed 4/15

7:00 am-8:20 am

2 stops16h 20m

Vienna Intl

Thu 4/23

10:30 am-10:26 pm

1 stop20h 56m

$911

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Sun 3/1

10:56 am-1:30 pm

2 stops17h 34m

Vienna Intl

Sun 3/15

10:55 am-11:59 pm

2 stops21h 04m

$953

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Sat 4/11

4:52 pm-8:10 pm

2 stops42h 18m

Vienna Intl

Sat 4/25

11:45 am-10:35 pm

2 stops19h 50m

$959

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Fri 4/10

7:00 am-8:15 am

1 stop16h 15m

Vienna Intl

Fri 4/24

10:30 am-10:26 pm

2 stops20h 56m

$961

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Sat 4/11

7:00 am-8:15 am

1 stop16h 15m

Vienna Intl

Sat 4/25

10:30 am-10:26 pm

1 stop20h 56m

$1,003

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Sat 4/18

7:00 am-8:15 am

1 stop16h 15m

Vienna Intl

Sat 4/25

10:30 am-10:26 pm

1 stop20h 56m

$1,003

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Fri 3/20

5:02 pm-10:35 pm

2 stops21h 33m

Vienna Intl

Sun 3/29

8:05 pm-6:42 pm

2 stops31h 37m

$1,003

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Thu 3/5

2:39 pm-4:10 pm

2 stops16h 31m

Vienna Intl

Thu 3/19

7:25 am-11:59 pm

2 stops24h 34m

$1,028

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/11

Showing 1-10 of 32 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 $407). 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 British Airways and United Airlines fly from Ontario to Austria in about 16h 20m. The time it takes to get you to your destination can typically vary by up to 1h 18m. 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 $407). 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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