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$270+ 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 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — VIE
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
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 8, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$903
(oojo)

One-way from

$270
(Trip.com)

Popular in

June

Cheapest in

November

Average price

$737
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 ($197 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($36 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 8, 2026.

This oojo deal was found by Cheapflights users on 1/7. 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
Tue 3/177:25 amVIE - ONT
2 stops19h 17mBritish Airways
Deal found 1/7$903
This United Airlines deal was found by Cheapflights users on 1/6. 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.
Tue 4/77:00 amONT - VIE
1 stop16h 15mUnited Airlines
Tue 4/2110:45 amVIE - ONT
2 stops20h 05mUnited Airlines
Deal found 1/6$907
This oojo deal was found by Cheapflights users on 1/6. 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 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 3/87:25 amVIE - ONT
2 stops19h 17mBritish Airways
Deal found 1/6$953
This oojo deal was found by Cheapflights users on 1/7. 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 4/2511:40 amVIE - ONT
2 stops19h 55mBritish Airways
Deal found 1/7$960
This United Airlines deal was found by Cheapflights users on 1/6. 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.
Fri 4/107:00 amONT - VIE
1 stop16h 15mUnited Airlines
Fri 4/2410:30 amVIE - ONT
2 stops20h 56mUnited Airlines
Deal found 1/6$961
This Air Canada deal was found by Cheapflights users on 1/6. 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 2/266:10 amONT - VIE
2 stops17h 35mMultiple Airlines
Thu 3/1210:40 amVIE - ONT
2 stops19h 45mMultiple Airlines
Deal found 1/6$965
This United Airlines deal was found by Cheapflights users on 1/7. 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
1 stop20h 56mUnited Airlines
Deal found 1/7$1,003
This oojo deal was found by Cheapflights users on 1/6. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/710:59 amONT - VIE
2 stops26h 56mIberia
Tue 4/217:00 amVIE - ONT
2 stops24h 35mIberia
Deal found 1/6$1,094
This oojo deal was found by Cheapflights users on 1/6. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/710:59 amONT - VIE
2 stops19h 41mBritish Airways
Thu 5/2111:25 amVIE - ONT
2 stops19h 26mBritish Airways
Deal found 1/6$1,098
This United Airlines deal was found by Cheapflights users on 1/5. 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.
Thu 4/26:00 amONT - VIE
2 stops17h 20mUnited Airlines
Thu 4/2310:30 amVIE - ONT
2 stops35h 07mUnited Airlines
Deal found 1/5$1,101
This United Airlines deal was found by Cheapflights users on 1/6. 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.
Sun 5/107:00 amONT - VIE
1 stop16h 15mUnited Airlines
Sun 5/2410:30 amVIE - ONT
1 stop20h 56mUnited Airlines
Deal found 1/6$1,108
This lol.travel deal was found by Cheapflights users on 1/6. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/202:39 pmONT - INN
2 stops18h 01mBritish Airways
Sat 3/710:25 amINN - ONT
2 stops21h 24mBritish Airways
Deal found 1/6$1,244

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 8, 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

Sun 3/1

10:56 am-1:30 pm

2 stops17h 34m

Vienna Intl

Tue 3/17

7:25 am-6:42 pm

2 stops19h 17m

$903

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Mon 3/2

2:39 pm-10:35 pm

2 stops22h 56m

Vienna Intl

Mon 3/16

9:15 pm-6:42 pm

2 stops29h 27m

$903

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Wed 4/8

5:10 am-8:10 am

2 stops18h 00m

Vienna Intl

Wed 4/22

10:45 am-8:36 pm

2 stops18h 51m

$907

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Tue 4/7

7:00 am-8:15 am

1 stop16h 15m

Vienna Intl

Tue 4/21

10:45 am-9:50 pm

2 stops20h 05m

$907

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Sun 4/19

2:08 pm-10:35 pm

2 stops23h 27m

Vienna Intl

Sun 4/26

7:30 am-6:37 pm

2 stops20h 07m

$953

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Fri 2/27

5:02 pm-6:25 pm

2 stops16h 23m

Vienna Intl

Fri 3/13

11:30 am-11:59 pm

2 stops20h 29m

$953

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Fri 4/10

12:19 pm-5:50 pm

2 stops20h 31m

Vienna Intl

Fri 4/24

7:45 am-9:59 pm

2 stops23h 14m

$953

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Sat 4/11

4:52 pm-8:10 pm

2 stops42h 18m

Vienna Intl

Sat 4/25

11:40 am-10:35 pm

2 stops19h 55m

$960

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

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/6

Showing 1-10 of 36 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 17h 34m. The time it takes to get you to your destination can typically vary by up to 26m. 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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