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$490+ 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 6/19. Fares are subject to change and may not be available on all flights or dates of travel.
VIE — ONT
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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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 junio 12, 2025.

Round-trip from

$654
(American Airlines)

One-way from

$490
(flugladen.de)

Popular in

December

Cheapest in

April

Average price

$832
From Austria to Ontario
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One-way flight from Austria to Ontario
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Highest demand for flights based on searches. 1% potential increase in price ($14 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in June 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 junio 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/167:45 amVIE - ONT
2 stops19h 00mAmerican Airlines
lun. 10/275:02 pmONT - VIE
2 stops20h 53mAmerican Airlines
Deal found 6/11$654
This Delta deal was found by Cheapflights users on 6/12. 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.
lun. 8/257:05 amVIE - ONT
2 stops18h 03mDelta
lun. 9/87:05 amONT - VIE
2 stops19h 15mDelta
Deal found 6/12$656
This British Airways deal was found by Cheapflights users on 6/12. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/267:35 amVIE - ONT
2 stops24h 13mBritish Airways
mar. 9/92:54 pmONT - VIE
2 stops22h 36mBritish Airways
Deal found 6/12$657
This Air France deal was found by Cheapflights users on 6/12. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/267:05 amVIE - ONT
2 stops18h 03mMultiple Airlines
lun. 9/811:45 amONT - VIE
2 stops20h 15mMultiple Airlines
Deal found 6/12$663
This KLM deal was found by Cheapflights users on 6/12. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/257:05 amVIE - ONT
2 stops19h 06mKLM
mié. 9/101:15 pmONT - VIE
2 stops20h 55mKLM
Deal found 6/12$776
This United Airlines deal was found by Cheapflights users on 6/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/1610:35 amVIE - ONT
2 stops20h 51mUnited Airlines
mié. 1/77:00 amONT - VIE
1 stop16h 05mUnited Airlines
Deal found 6/11$792
This Air Canada deal was found by Cheapflights users on 6/12. 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.
lun. 8/2510:30 amVIE - ONT
2 stops35h 02mAir Canada
dom. 9/76:38 pmONT - VIE
2 stops28h 42mAir Canada
Deal found 6/12$977
This Iberia deal was found by Cheapflights users on 6/10. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/107:00 amVIE - ONT
2 stops20h 53mIberia
vie. 7/182:40 pmONT - VIE
2 stops19h 20mIberia
Deal found 6/10$991
This flugladen.de deal was found by Cheapflights users on 6/11. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 6/1210:35 amGRZ - ONT
2 stops21h 10mAir Canada
jue. 6/191:36 pmONT - GRZ
2 stops19h 44mAir Canada
Deal found 6/11$1,750

Cheapflights Fare Finder

Customize your flight search to find flights from Austria to Ontario 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 junio 12, 2025.
Use the filters below to find and compare flights from Austria to Ontario that are best for you.

Fly from

Austria

Fly to

Ontario

Route

Depart

Return

Price

ViennaOntario

VIE - ONT

VIEONT

Vienna Intl

jue. 10/16

7:45 am-5:45 pm

2 stops19h 00m

Ontario

lun. 10/27

5:02 pm-9:55 pm

2 stops20h 53m

$654

ViennaOntario

VIE - ONT

VIEONT

Vienna Intl

lun. 8/25

7:05 am-4:08 pm

2 stops18h 03m

Ontario

lun. 9/8

7:05 am-11:20 am

2 stops19h 15m

$656

ViennaOntario

VIE - ONT

VIEONT

Vienna Intl

mar. 8/26

7:35 am-10:48 pm

2 stops24h 13m

Ontario

mar. 9/9

2:54 pm-10:30 pm

2 stops22h 36m

$657

ViennaOntario

VIE - ONT

VIEONT

Vienna Intl

mar. 8/26

7:05 am-4:08 pm

2 stops18h 03m

Ontario

lun. 9/8

11:45 am-5:00 pm

2 stops20h 15m

$663

ViennaOntario

VIE - ONT

VIEONT

Vienna Intl

lun. 8/25

7:05 am-5:11 pm

2 stops19h 06m

Ontario

mié. 9/10

1:15 pm-7:10 pm

2 stops20h 55m

$776

ViennaOntario

VIE - ONT

VIEONT

Vienna Intl

sáb. 8/23

7:00 am-8:33 pm

2 stops22h 33m

Ontario

mar. 9/9

7:00 am-8:20 am

1 stop16h 20m

$793

ViennaOntario

VIE - ONT

VIEONT

Vienna Intl

lun. 8/25

10:30 am-12:32 pm

2 stops35h 02m

Ontario

dom. 9/7

6:38 pm-8:20 am

2 stops28h 42m

$977

ViennaOntario

VIE - ONT

VIEONT

Vienna Intl

jue. 7/10

7:00 am-6:53 pm

2 stops20h 53m

Ontario

vie. 7/18

2:40 pm-7:00 pm

2 stops19h 20m

$991

ViennaOntario

VIE - ONT

VIEONT

Vienna Intl

lun. 6/23

11:25 am-6:00 pm

1 stop39h 35m

Ontario

vie. 6/27

12:10 am-7:00 am

1 stop45h 50m

$8,665

ViennaOntario

VIE - ONT

VIEONT

Vienna Intl

jue. 6/19

7:40 am-8:51 pm

2 stops22h 11m

$490

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 18 results
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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 $328). 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.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

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.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated junio 12, 2025.
Get a feel of what it's like to fly with China Airlines, Delta and KLM from Austria to Ontario by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
China Airlines
8.3
Very good
738 reviews

Entertainment

8.0

Overall

8.3

Boarding

8.3

Food

7.8

Crew

8.5

Comfort

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
China Airlines
8.3
Very good
738 reviews
China Airlines
8.3
Very good
738 reviews

Entertainment

8.0

Overall

8.3

Boarding

8.3

Food

7.8

Crew

8.5

Comfort

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
Delta
8.0
Very good
7,946 reviews
China Airlines
8.3
Very good
738 reviews

Entertainment

8.0

Overall

8.3

Boarding

8.3

Food

7.8

Crew

8.5

Comfort

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
KLM
7.8
Good
1,358 reviews
China Airlines
8.3
Very good
738 reviews

Entertainment

8.0

Overall

8.3

Boarding

8.3

Food

7.8

Crew

8.5

Comfort

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
United Airlines
7.4
Good
8,790 reviews
China Airlines
8.3
Very good
738 reviews

Entertainment

8.0

Overall

8.3

Boarding

8.3

Food

7.8

Crew

8.5

Comfort

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
American Airlines
7.2
Good
10,000 reviews
China Airlines
8.3
Very good
738 reviews

Entertainment

8.0

Overall

8.3

Boarding

8.3

Food

7.8

Crew

8.5

Comfort

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver

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?

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

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

    The cheapest airlines for a one-way flight from Austria to Ontario are American Airlines ($743), British Airways ($752), and Delta ($776).

  • 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 $328). 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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