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$660+ 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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — VIE
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
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 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$886
(United Airlines)

One-way from

$660
(Travelocity)

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 6, 2025.

This Turkish Airlines deal was found by Cheapflights users on 11/6. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/36:00 amONT - VIE
2 stops30h 55mMultiple Airlines
Wed 12/1010:00 amVIE - ONT
2 stops34h 19mMultiple Airlines
Deal found 11/6$1,158
This Air Canada deal was found by Cheapflights users on 11/6. 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
Thu 12/1110:35 amVIE - ONT
2 stops34h 57mAir Canada
Deal found 11/6$1,186
This Air Canada deal was found by Cheapflights users on 11/5. 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
Fri 12/1210:35 amVIE - ONT
2 stops19h 07mMultiple Airlines
Deal found 11/5$1,215
This United Airlines deal was found by Cheapflights users on 11/5. 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
Tue 12/910:35 amVIE - ONT
2 stops34h 42mUnited Airlines
Deal found 11/5$1,386
This Air Canada deal was found by Cheapflights users on 11/6. 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 12/25:05 amONT - VIE
2 stops42h 40mAir Canada
Thu 12/1110:35 amVIE - ONT
2 stops34h 57mAir Canada
Deal found 11/6$1,392
This Air Canada deal was found by Cheapflights users on 11/6. 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.
Sat 11/299:35 pmONT - VIE
2 stops50h 10mAir Canada
Thu 12/1110:35 amVIE - ONT
2 stops34h 57mAir Canada
Deal found 11/6$1,402
This United Airlines deal was found by Cheapflights users on 11/6. 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
Thu 12/117:00 amVIE - ONT
2 stops22h 42mUnited Airlines
Deal found 11/6$1,408
This Air Canada deal was found by Cheapflights users on 11/5. 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
Tue 12/910:35 amVIE - ONT
2 stops19h 07mMultiple Airlines
Deal found 11/5$1,415
This Delta deal was found by Cheapflights users on 11/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/307:05 amONT - VIE
2 stops17h 10mDelta
Thu 12/116:15 amVIE - ONT
2 stops18h 54mDelta
Deal found 11/6$1,421
This Delta deal was found by Cheapflights users on 11/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2910:25 pmONT - VIE
2 stops25h 50mDelta
Mon 12/812:25 pmVIE - ONT
2 stops36h 44mDelta
Deal found 11/6$1,434
This Air Canada deal was found by Cheapflights users on 11/6. 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 11/285:05 amONT - VIE
2 stops42h 40mAir Canada
Tue 12/910:35 amVIE - ONT
2 stops34h 57mAir Canada
Deal found 11/6$1,442

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 6, 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

OntarioInnsbruck

ONT - INN

ONTINN

Ontario

Mon 2/9

10:30 pm-6:05 pm

2 stops34h 35m

Innsbruck Kranebitten

Tue 2/17

1:45 pm-9:07 pm

2 stops40h 22m

$934

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Sat 2/7

6:00 am-8:45 am

2 stops17h 45m

Vienna Intl

Sat 2/21

10:35 am-8:50 pm

2 stops19h 15m

$1,015

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Wed 4/1

1:34 pm-8:20 am

2 stops57h 46m

Vienna Intl

Sun 4/5

6:50 am-10:26 pm

2 stops48h 36m

$1,047

OntarioInnsbruck

ONT - INN

ONTINN

Ontario

Mon 2/9

6:00 am-1:55 pm

3 stops22h 55m

Innsbruck Kranebitten

Tue 2/17

8:25 am-8:50 pm

3 stops21h 25m

$1,067

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Wed 4/1

1:00 pm-1:35 pm

2 stops15h 35m

Vienna Intl

Sun 4/5

2:20 pm-11:52 pm

2 stops42h 32m

$1,122

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Fri 5/1

11:25 pm-8:55 am

2 stops24h 30m

Vienna Intl

Sun 5/10

10:30 am-10:38 pm

2 stops21h 08m

$1,134

OntarioInnsbruck

ONT - INN

ONTINN

Ontario

Thu 2/26

7:30 am-1:30 pm

2 stops21h 00m

Innsbruck Kranebitten

Mon 3/2

6:50 pm-9:07 pm

2 stops35h 17m

$1,186

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Wed 3/25

1:45 pm-6:05 pm

2 stops20h 20m

Vienna Intl

Tue 4/7

10:30 am-10:26 pm

1 stop20h 56m

$1,189

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Thu 12/4

12:12 pm-5:25 pm

2 stops20h 13m

Vienna Intl

Wed 12/10

12:15 pm-4:09 pm

2 stops36h 54m

$1,215

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Fri 12/5

6:00 am-8:45 am

2 stops17h 45m

Vienna Intl

Fri 12/12

10:35 am-8:42 pm

2 stops19h 07m

$1,215

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

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 KLM, United Airlines, and Delta fly from Ontario to Austria in about 15h 35m. The time it takes to get you to your destination can typically vary by up to 42h 11m. 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.

  • What are the cheapest airlines to fly from Ontario to Austria one-way?

    The cheapest airlines for a one-way flight from Ontario to Austria are British Airways ($738), Iberia ($751), and American Airlines ($778).

  • 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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