How long is the flight from Austria to Ontario?

For as low as $692, American Airlines can have you in Ontario from Austria in 19h 04m. Austria and Ontario 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.

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

What are the most popular routes from Austria to Ontario?

The most popular flight routes from Austria to Ontario are Vienna Intl - Ontario, Graz Thalerhof - Ontario and Linz Hoersching - Ontario.

What is the cheapest time of day to fly from AT to ONT?

When flying from Austria to Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What airport do you fly into for flights to Ontario from Austria?

Ontario (ONT), located 3.1 mi from the city center, is the airport you fly into when you book flights from Austria to Ontario.

Can I find deals for flights from Austria to Ontario that include hotel bookings?

Yes. In addition to deals on Austria to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Austria to Ontario?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Austria to Ontario.

Can I find deals for business class flights from Austria to Ontario?

Yes. Cheapflights offers flight deals from Austria to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$520+ Flights from Austria to Ontario

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Cheap flight deals from Austria to Ontario

Round-trip from	$692 (American Airlines)
One-way from	$520 (Flightnetwork)
Popular in	December
Cheapest in	April
Average price	$737

From Austria to Ontario

Search Deals

One-way flight from Austria to Ontario

Search Deals

Highest demand for flights based on searches. 2% potential increase in price ($19 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($12 potential savings vs. average RT price).

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Average for round-trip flights in September 2025

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Find flight deals from Austria to Ontario

Cheapest flights from Austria to Ontario
Explore the most affordable flight options available from Austria to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

Tue 9/237:35 amVIE - ONT

2 stops19h 41mAmerican Airlines

Sat 11/224:47 pmONT - VIE

2 stops16h 18mAmerican Airlines

Deal found 9/15

$692

Tue 9/237:35 amVIE - ONT

2 stops19h 41mAmerican Airlines

Mon 11/2412:53 pmONT - VIE

2 stops17h 27mAmerican Airlines

Deal found 9/16

$693

Fri 10/3110:55 amVIE - ONT

2 stops19h 56mUnited Airlines

Wed 11/57:00 amONT - VIE

1 stop16h 05mUnited Airlines

Deal found 9/15

$706

Fri 10/3110:55 amVIE - ONT

1 stop19h 36mUnited Airlines

Thu 11/61:29 pmONT - VIE

2 stops19h 36mUnited Airlines

Deal found 9/16

$709

Tue 10/147:35 amVIE - ONT

2 stops20h 17mBritish Airways

Tue 10/214:49 pmONT - VIE

2 stops18h 36mBritish Airways

Deal found 9/16

$711

Thu 11/610:35 amVIE - ONT

2 stops20h 56mUnited Airlines

Mon 11/107:00 amONT - VIE

1 stop16h 05mUnited Airlines

Deal found 9/15

$712

Wed 10/17:05 amVIE - ONT

2 stops18h 55mDelta

Sun 10/124:35 pmONT - VIE

2 stops17h 35mDelta

Deal found 9/14

$734

Sat 11/156:05 amGRZ - ONT

3 stops25h 46mUnited Airlines

Wed 11/196:00 amONT - GRZ

2 stops22h 35mUnited Airlines

Deal found 9/14

$738

Sat 12/2712:10 pmVIE - ONT

2 stops19h 04mBritish Airways

Fri 1/165:03 pmONT - VIE

2 stops16h 22mBritish Airways

Deal found 9/14

$800

Wed 10/19:25 amVIE - ONT

2 stops17h 15mUnited Airlines

Tue 10/147:02 amONT - VIE

1 stop16h 18mUnited Airlines

Deal found 9/14

$843

Thu 12/2510:35 amVIE - ONT

2 stops19h 32mAir Canada

Thu 1/85:05 amONT - VIE

2 stops18h 30mAir Canada

Deal found 9/15

$844

Fri 10/2410:30 amVIE - ONT

1 stop21h 00mUnited Airlines

Thu 11/61:29 pmONT - VIE

2 stops19h 36mUnited Airlines

Deal found 9/14

$849

Best flights from Austria to Ontario
Discover carefully curated flight deals from Austria to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 16, 2025.

Sat 12/2712:10 pmVIE - ONT

2 stops19h 04mAmerican Airlines

Thu 1/85:03 pmONT - VIE

2 stops16h 27mAmerican Airlines

Deal found 9/15

$692

Sat 1/177:25 amVIE - ONT

2 stops19h 28mBritish Airways

Sat 1/315:03 pmONT - VIE

2 stops16h 02mBritish Airways

Deal found 9/16

$695

Fri 10/3110:55 amVIE - ONT

2 stops19h 56mUnited Airlines

Wed 11/57:00 amONT - VIE

1 stop16h 05mUnited Airlines

Deal found 9/15

$706

Wed 3/410:05 amVIE - ONT

2 stops22h 38mAmerican Airlines

Mon 3/163:09 pmONT - VIE

2 stops23h 26mAmerican Airlines

Deal found 9/14

$692

Sat 11/156:05 amGRZ - ONT

3 stops25h 46mUnited Airlines

Wed 11/196:00 amONT - GRZ

2 stops22h 35mUnited Airlines

Deal found 9/13

$738

Thu 2/57:25 amVIE - ONT

2 stops19h 28mAmerican Airlines

Fri 2/275:03 pmONT - VIE

2 stops16h 22mAmerican Airlines

Deal found 9/15

$692

Tue 10/216:00 amGRZ - ONT

2 stops20h 40mUnited Airlines

Thu 11/66:00 amONT - GRZ

2 stops22h 35mUnited Airlines

Deal found 9/15

$738

Sat 12/2712:10 pmVIE - ONT

2 stops19h 04mAmerican Airlines

Fri 1/910:57 amONT - VIE

2 stops17h 28mAmerican Airlines

Deal found 9/15

$692

Tue 3/36:05 amGRZ - ONT

2 stops25h 52mUnited Airlines

Tue 3/101:00 pmONT - GRZ

2 stops16h 35mUnited Airlines

Deal found 9/15

$738

Fri 2/277:25 amVIE - ONT

2 stops19h 26mAmerican Airlines

Sat 3/143:09 pmONT - VIE

2 stops42h 46mAmerican Airlines

Deal found 9/14

$692

Thu 2/2611:05 amVIE - ONT

2 stops21h 38mAmerican Airlines

Tue 3/173:09 pmONT - VIE

2 stops18h 36mAmerican Airlines

Deal found 9/14

$692

Sat 2/287:25 amVIE - ONT

2 stops19h 26mAmerican Airlines

Wed 3/116:46 amONT - VIE

2 stops22h 34mAmerican Airlines

Deal found 9/14

$692

Sat 11/86:05 amGRZ - ONT

2 stops25h 46mUnited Airlines

Sun 11/301:40 pmONT - GRZ

2 stops38h 55mUnited Airlines

Deal found 9/15

$878

Wed 2/410:05 amVIE - ONT

2 stops20h 57mAmerican Airlines

Fri 2/275:03 pmONT - VIE

2 stops16h 22mAmerican Airlines

Deal found 9/15

$692

Wed 3/410:05 amVIE - ONT

2 stops20h 52mAmerican Airlines

Sun 3/810:57 amONT - VIE

2 stops25h 28mAmerican Airlines

Deal found 9/14

$692

Mon 12/156:05 amGRZ - ONT

2 stops20h 32mUnited Airlines

Sun 12/2810:42 amONT - GRZ

2 stops17h 53mUnited Airlines

Deal found 9/15

$941

Sat 2/287:25 amVIE - ONT

2 stops19h 26mAmerican Airlines

Sun 3/156:46 amONT - VIE

2 stops22h 44mAmerican Airlines

Deal found 9/14

$692

Wed 12/246:05 amGRZ - ONT

2 stops24h 02mUnited Airlines

Sat 3/281:00 pmONT - GRZ

2 stops40h 10mUnited Airlines

Deal found 9/14

$997

Sat 11/156:05 amGRZ - ONT

2 stops39h 28mUnited Airlines

Sun 11/236:38 pmONT - GRZ

2 stops33h 57mUnited Airlines

Deal found 9/15

$2,199

Last-minute flights from Austria to Ontario
Discover last-minute flight deals from Austria to Ontario. Data last updated September 16, 2025 and is based on user searches.

Tue 9/237:35 amVIE - ONT

2 stops19h 41mAmerican Airlines

Sat 11/224:47 pmONT - VIE

2 stops16h 18mAmerican Airlines

Deal found 9/15

$692

Tue 9/237:35 amVIE - ONT

2 stops20h 19mAmerican Airlines

Mon 11/2412:53 pmONT - VIE

2 stops17h 27mAmerican Airlines

Deal found 9/16

$693

Tue 9/237:35 amVIE - ONT

2 stops19h 41mBritish Airways

Wed 11/264:47 pmONT - VIE

2 stops18h 13mBritish Airways

Deal found 9/16

$725

Wed 10/17:05 amVIE - ONT

2 stops18h 55mDelta

Sun 10/124:35 pmONT - VIE

2 stops17h 35mDelta

Deal found 9/14

$734

Wed 10/16:00 amGRZ - ONT

2 stops20h 40mUnited Airlines

Wed 10/89:36 amONT - GRZ

2 stops19h 34mUnited Airlines

Deal found 9/16

$779

Wed 10/87:45 amVIE - ONT

2 stops20h 18mBritish Airways

Wed 10/154:49 pmONT - VIE

2 stops17h 31mBritish Airways

Deal found 9/16

$711

Wed 10/89:20 amVIE - ONT

2 stops22h 21mDelta

Sat 10/187:05 amONT - VIE

2 stops17h 05mDelta

Deal found 9/16

$728

Tue 10/216:00 amGRZ - ONT

2 stops20h 40mUnited Airlines

Thu 11/66:00 amONT - GRZ

2 stops22h 35mUnited Airlines

Deal found 9/15

$738

Fri 10/247:00 amVIE - ONT

2 stops24h 52mUnited Airlines

Sat 11/17:00 amONT - VIE

2 stops41h 30mUnited Airlines

Deal found 9/16

$700

Fri 10/247:00 amVIE - ONT

2 stops24h 52mUnited Airlines

Sun 11/25:00 amONT - VIE

2 stops21h 20mUnited Airlines

Deal found 9/16

$702

Fri 10/247:05 amVIE - ONT

2 stops17h 48mDelta

Thu 10/301:15 pmONT - VIE

2 stops18h 55mDelta

Deal found 9/16

$791

Fri 10/3110:55 amVIE - ONT

2 stops19h 56mUnited Airlines

Wed 11/57:00 amONT - VIE

1 stop16h 05mUnited Airlines

Deal found 9/15

$706

One-way flights from Austria to Ontario
Search for one-way flight options from Austria to Ontario. Find affordable one-way fares based on user searches. Data last updated September 16, 2025.

Tue 2/2411:30 amVIE - ONT

2 stops19h 27mBritish Airways

Deal found 9/16

$520

Sat 1/177:25 amVIE - ONT

2 stops19h 28mBritish Airways

Deal found 9/15

$521

Fri 11/1411:30 amVIE - ONT

2 stops19h 59mAmerican Airlines

Deal found 9/15

$546

Sun 11/1610:55 amVIE - ONT

2 stops20h 04mBritish Airways

Deal found 9/15

$561

Sun 1/2510:55 amVIE - ONT

2 stops20h 07mBritish Airways

Deal found 9/16

$563

Wed 11/1910:05 amVIE - ONT

2 stops21h 24mAmerican Airlines

Deal found 9/15

$658

Tue 12/1611:30 amVIE - ONT

2 stops35h 25mBritish Airways

Deal found 9/14

$674

Fri 1/167:25 amVIE - ONT

2 stops19h 28mBritish Airways

Deal found 9/15

$701

Fri 12/127:05 amVIE - ONT

2 stops24h 23mIberia

Deal found 9/16

$708

Mon 12/297:25 amVIE - ONT

2 stops25h 21mBritish Airways

Deal found 9/16

$724

Mon 1/57:15 pmVIE - ONT

2 stops31h 38mMultiple Airlines

Deal found 9/13

$753

Thu 1/111:05 amVIE - ONT

2 stops19h 47mBritish Airways

Deal found 9/16

$774

Fly from

Fly to

Route

Depart

Return

Price

ViennaOntario

VIE - ONT

VIEONT

Vienna Intl

Sat 12/27

12:10 pm-10:14 pm

2 stops19h 04m

Ontario

Thu 1/8

5:03 pm-6:30 pm

2 stops16h 27m

$692

ViennaOntario

VIE - ONT

VIEONT

Vienna Intl

Wed 3/4

10:05 am-11:43 pm

2 stops22h 38m

Ontario

Mon 3/16

3:09 pm-10:35 pm

2 stops23h 26m

$692

ViennaOntario

VIE - ONT

VIEONT

Vienna Intl

Thu 2/5

7:25 am-5:53 pm

2 stops19h 28m

Ontario

Fri 2/27

5:03 pm-6:25 pm

2 stops16h 22m

$692

ViennaOntario

VIE - ONT

VIEONT

Vienna Intl

Sat 12/27

12:10 pm-10:14 pm

2 stops19h 04m

Ontario

Fri 1/9

10:57 am-1:25 pm

2 stops17h 28m

$692

ViennaOntario

VIE - ONT

VIEONT

Vienna Intl

Fri 2/27

7:25 am-5:51 pm

2 stops19h 26m

Ontario

Sat 3/14

3:09 pm-5:55 pm

2 stops42h 46m

$692

ViennaOntario

VIE - ONT

VIEONT

Vienna Intl

Thu 2/26

11:05 am-11:43 pm

2 stops21h 38m

Ontario

Tue 3/17

3:09 pm-5:45 pm

2 stops18h 36m

$692

ViennaOntario

VIE - ONT

VIEONT

Vienna Intl

Sat 2/28

7:25 am-5:51 pm

2 stops19h 26m

Ontario

Wed 3/11

6:46 am-1:20 pm

2 stops22h 34m

$692

ViennaOntario

VIE - ONT

VIEONT

Vienna Intl

Wed 2/4

10:05 am-10:02 pm

2 stops20h 57m

Ontario

Fri 2/27

5:03 pm-6:25 pm

2 stops16h 22m

$692

ViennaOntario

VIE - ONT

VIEONT

Vienna Intl

Wed 3/4

10:05 am-9:57 pm

2 stops20h 52m

Ontario

Sun 3/8

10:57 am-8:25 pm

2 stops25h 28m

$692

ViennaOntario

VIE - ONT

VIEONT

Vienna Intl

Sat 2/28

7:25 am-5:51 pm

2 stops19h 26m

Ontario

Sun 3/15

6:46 am-1:30 pm

2 stops22h 44m

$692

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 33 results

Best time to book a flight from Austria to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Austria 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 Austria to Ontario

What is the cheapest month to book a flight from Austria to Ontario?

Currently, August is the cheapest month in which you can book a flight from Austria to Ontario (average of $246). Flying from Austria to Ontario in March is currently the most expensive (average of $327). 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

What airport do you fly into for flights to Ontario from Austria?
Ontario (ONT), located 3.1 mi from the city center, is the airport you fly into when you book flights from Austria to Ontario.
How long is the flight from Austria to Ontario?
For as low as $692, American Airlines can have you in Ontario from Austria in 19h 04m. Austria and Ontario 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 most popular routes from Austria to Ontario?
The most popular flight routes from Austria to Ontario are Vienna Intl - Ontario, Graz Thalerhof - Ontario and Linz Hoersching - Ontario.
Can I find deals for flights from Austria to Ontario that include hotel bookings?
Yes. In addition to deals on Austria to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Austria to Ontario?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Austria to Ontario.
Can I find deals for business class flights from Austria to Ontario?
Yes. Cheapflights offers flight deals from Austria to Ontario 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 Austria to Ontario?
Currently, August is the cheapest month in which you can book a flight from Austria to Ontario (average of $246). Flying from Austria to Ontario in March is currently the most expensive (average of $327). 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.

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$520+ Cheap flights from Austria to Ontario (ONT)

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.

Find cheap flights from Austria to Ontario with Cheapflights

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Cheap flight deals from Austria to Ontario

Keep the following information in mind while searching for Austria to Ontario flight deals. Data was last updated September 16, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Austria to Ontario

Cheapest flights from Austria to OntarioExplore the most affordable flight options available from Austria to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

Explore the most affordable flight options available from Austria to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Austria to Ontario that are best for you.

Best time to book a flight from Austria to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Austria with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Austria to Ontario

What is the cheapest month to book a flight from Austria to Ontario?

Related info for your journey

Find useful and relevant information for your journey from Austria to Ontario. 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 into for flights to Ontario from Austria?

How long is the flight from Austria to Ontario?

What are the most popular routes from Austria to Ontario?

Can I find deals for flights from Austria to Ontario that include hotel bookings?

How can I find direct flights from Austria to Ontario?

Can I find deals for business class flights from Austria to Ontario?

What is the cheapest month to book a flight from Austria to Ontario?

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Cheapest flights from Austria to Ontario
Explore the most affordable flight options available from Austria to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.