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$661+ 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 2/14. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — VIE
Jan 27 — Feb 31
Tue 1/27
Tue 2/3
1 adult, Economy
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Cheap 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 December 28, 2025.

This oojo deal was found by Cheapflights users on 12/27. 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 12/2810:50 amONT - VIE
2 stops17h 40mBritish Airways
Sun 1/117:00 pmVIE - ONT
2 stops31h 22mBritish Airways
Deal found 12/27$2,169
This oojo deal was found by Cheapflights users on 12/26. 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 12/302:49 pmONT - VIE
2 stops17h 56mBritish Airways
Tue 1/137:25 amVIE - ONT
2 stops24h 23mBritish Airways
Deal found 12/26$2,204
This oojo deal was found by Cheapflights users on 12/25. 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 12/264:47 pmONT - VIE
2 stops16h 38mBritish Airways
Mon 1/56:55 pmVIE - ONT
2 stops32h 50mBritish Airways
Deal found 12/25$2,339
This United Airlines deal was found by Cheapflights users on 12/25. 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 12/2611:59 pmONT - VIE
1 stop23h 06mUnited Airlines
Mon 1/56:50 amVIE - ONT
2 stops38h 57mUnited Airlines
Deal found 12/25$2,436
This Turkish Airlines deal was found by Cheapflights users on 12/25. 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.
Sun 12/2810:44 amONT - VIE
2 stops26h 11mMultiple Airlines
Sat 1/39:55 amVIE - ONT
2 stops32h 55mMultiple Airlines
Deal found 12/25$2,824
This oojo deal was found by Cheapflights users on 12/27. 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 12/287:10 amONT - VIE
2 stops21h 20mBritish Airways
Sun 1/44:50 pmVIE - ONT
2 stops38h 02mBritish Airways
Deal found 12/27$2,893
This oojo deal was found by Cheapflights users on 12/26. 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 12/2710:50 amONT - VIE
2 stops17h 40mBritish Airways
Thu 1/111:05 amVIE - ONT
2 stops21h 41mBritish Airways
Deal found 12/26$3,218
This Iberia deal was found by Cheapflights users on 12/26. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2810:50 amONT - VIE
2 stops19h 10mIberia
Thu 1/17:05 amVIE - ONT
2 stops24h 09mIberia
Deal found 12/26$3,547
This oojo deal was found by Cheapflights users on 12/26. 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 12/2912:48 pmONT - VIE
2 stops24h 47mBritish Airways
Wed 12/3111:40 amVIE - ONT
2 stops39h 36mBritish Airways
Deal found 12/26$3,799
This United Airlines deal was found by Cheapflights users on 12/25. 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.
Sun 12/2811:59 pmONT - VIE
1 stop23h 06mUnited Airlines
Sat 1/310:55 amVIE - ONT
1 stop20h 30mUnited Airlines
Deal found 12/25$5,071
This oojo deal was found by Cheapflights users on 12/26. 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 12/3010:50 pmONT - VIE
1 stop47h 00mMultiple Airlines
Tue 1/1310:40 amVIE - ONT
1 stop38h 10mMultiple Airlines
Deal found 12/26$10,339

Find flight deals from Ontario to Austria

Keep the following information in mind while searching for Ontario to Austria flight deals. Data was last updated December 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$892
(oojo)

One-way from

$661
(British Airways)

Popular in

June

Cheapest in

November

Average price

$1,109
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. 16% potential increase in price ($176 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 28, 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 5/5

1:33 pm-4:00 pm

2 stops17h 27m

Vienna Intl

Tue 5/12

7:35 am-5:45 pm

2 stops19h 10m

$904

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Wed 4/29

12:55 pm-3:45 pm

2 stops17h 50m

Vienna Intl

Wed 5/13

9:25 pm-5:46 pm

2 stops29h 21m

$904

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Mon 2/16

5:02 pm-9:15 am

2 stops31h 13m

Vienna Intl

Mon 3/2

9:15 pm-4:22 pm

2 stops28h 07m

$904

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Sun 3/22

6:00 am-12:20 pm

2 stops22h 20m

Vienna Intl

Sun 3/29

10:30 am-10:45 pm

2 stops45h 15m

$933

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Sun 2/15

5:06 pm-8:25 pm

2 stops18h 19m

Vienna Intl

Sun 3/1

10:55 am-10:04 pm

2 stops20h 09m

$954

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Fri 3/20

10:56 am-1:25 pm

2 stops18h 29m

Vienna Intl

Thu 4/2

11:25 am-10:07 pm

2 stops19h 42m

$954

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Sat 4/11

7:00 am-8:15 am

1 stop16h 15m

Vienna Intl

Sat 4/18

10:30 am-12:14 pm

2 stops34h 44m

$986

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Mon 3/30

12:18 pm-3:55 pm

2 stops18h 37m

Vienna Intl

Mon 4/13

11:35 am-5:45 pm

2 stops39h 10m

$1,037

OntarioInnsbruck

ONT - INN

ONTINN

Ontario

Fri 2/20

3:19 pm-11:05 am

2 stops34h 46m

Innsbruck Kranebitten

Sat 2/28

6:30 pm-6:42 pm

2 stops33h 12m

$1,047

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Sun 3/22

5:15 am-8:35 am

3 stops43h 20m

Vienna Intl

Sun 3/29

10:30 am-8:36 pm

2 stops19h 06m

$1,119

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/26

Showing 1-10 of 25 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 British Airways, United Airlines, and Iberia fly from Ontario to Austria in about 17h 27m. The time it takes to get you to your destination can typically vary by up to 24h 59m. 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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