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$380+ 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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
VIE — ONT
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$733
(United Airlines)

One-way from

$380
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$727
Provider with most accurate pricing for Vienna Intl-Los Angeles flight deals.
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Provider most trusted by Cheapflights users for Vienna Intl-Los Angeles flights.
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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. 8% potential increase in price ($72 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 February 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 February 20, 2025.

This United Airlines deal was found by Cheapflights users on 2/20. 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 9/110:30 amVIE - ONT
2 stops42h 47mUnited Airlines
Tue 9/97:00 amONT - VIE
1 stop16h 20mUnited Airlines
Deal found 2/20$731
This Delta deal was found by Cheapflights users on 2/20. 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 8/316:30 amVIE - ONT
2 stops18h 47mDelta
Tue 9/92:00 pmONT - VIE
2 stops18h 00mDelta
Deal found 2/20$735
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Sun 8/177:30 amVIE - ONT
2 stops47h 14mAmerican Airlines
Wed 9/38:04 pmONT - VIE
2 stops41h 36mAmerican Airlines
Deal found 2/20$757
This Kissandfly.com deal was found by Cheapflights users on 2/20. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/227:45 amVIE - ONT
2 stops22h 50mBritish Airways
Fri 9/510:54 amONT - VIE
2 stops21h 56mBritish Airways
Deal found 2/20$773
This Iberia deal was found by Cheapflights users on 2/20. 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.
Fri 10/247:00 amVIE - ONT
2 stops26h 02mIberia
Thu 11/68:46 amONT - VIE
2 stops25h 19mIberia
Deal found 2/20$785
This Finnair deal was found by Cheapflights users on 2/20. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1511:35 amVIE - ONT
2 stops20h 54mMultiple Airlines
Wed 9/311:59 pmONT - VIE
2 stops33h 31mMultiple Airlines
Deal found 2/20$793
This United Airlines deal was found by Cheapflights users on 2/20. 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 4/66:00 amGRZ - ONT
2 stops24h 58mMultiple Airlines
Sun 4/134:17 pmONT - GRZ
2 stops14h 58mMultiple Airlines
Deal found 2/20$1,000
This Booking.com deal was found by Cheapflights users on 2/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/911:00 amVIE - ONT
2 stops20h 46mAir Canada
Wed 7/236:00 amONT - VIE
2 stops17h 20mAir Canada
Deal found 2/20$3,995
This oojo deal was found by Cheapflights users on 2/20. 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 2/2411:00 amVIE - ONT
1 stop38h 50mChina Airlines
Mon 3/1011:45 pmONT - VIE
1 stop47h 15mChina Airlines
Deal found 2/20$7,916

Find flights from Austria to Ontario within your budget

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 February 20, 2025.

Fly from

Austria

Fly to

Ontario

Route

Depart

Return

Price

ViennaOntario

VIE - ONT

VIEONT

Vienna Intl

Mon 8/18

10:30 am-12:33 pm

2 stops35h 03m

Ontario

Sun 8/31

7:00 am-1:45 pm

2 stops21h 45m

$733

ViennaOntario

VIE - ONT

VIEONT

Vienna Intl

Sun 8/17

7:30 am-9:44 pm

2 stops47h 14m

Ontario

Wed 9/3

8:04 pm-10:40 pm

2 stops41h 36m

$757

ViennaOntario

VIE - ONT

VIEONT

Vienna Intl

Fri 8/15

11:35 am-11:29 pm

2 stops20h 54m

Ontario

Wed 9/3

11:59 pm-6:30 pm

2 stops33h 31m

$793

ViennaOntario

VIE - ONT

VIEONT

Vienna Intl

Mon 6/23

7:20 pm-5:46 pm

2 stops31h 26m

Ontario

Tue 7/29

12:43 pm-10:30 pm

2 stops24h 47m

$821

ViennaOntario

VIE - ONT

VIEONT

Vienna Intl

Thu 6/26

7:00 am-6:59 pm

2 stops20h 59m

Ontario

Sat 7/12

2:53 pm-7:00 pm

2 stops19h 07m

$837

GrazOntario

GRZ - ONT

GRZONT

Graz Thalerhof

Sun 4/6

6:00 am-9:58 pm

2 stops24h 58m

Ontario

Sun 4/13

4:17 pm-4:15 pm

2 stops14h 58m

$1,000

ViennaOntario

VIE - ONT

VIEONT

Vienna Intl

Sat 8/16

6:55 am-4:17 pm

2 stops18h 22m

Ontario

Thu 9/4

2:00 pm-5:00 pm

2 stops18h 00m

$1,235

ViennaOntario

VIE - ONT

VIEONT

Vienna Intl

Wed 7/9

11:00 am-10:46 pm

2 stops20h 46m

Ontario

Wed 7/23

6:00 am-8:20 am

2 stops17h 20m

$3,995

ViennaOntario

VIE - ONT

VIEONT

Vienna Intl

Mon 4/7

8:10 am-3:04 pm

3 stops39h 54m

$380

ViennaOntario

VIE - ONT

VIEONT

Vienna Intl

Thu 4/3

7:45 am-7:01 pm

2 stops20h 16m

$709

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 17 results
1
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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.

Travel insights for flights from Austria to Ontario

Get recent, data-driven insights about flights from Austria to Ontario including ideal travel times, pricing trends, and more.

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 $315). 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 February 20, 2025.
China Airlines
8.2
Very good
727 reviews

Crew

8.5

Boarding

8.3

Comfort

8.0

Food

7.8

Overall

8.2

Entertainment

8.0

Reviews

1 / 20

6.0
Good

Alex,Dec 2024

SYD - TPE

For the money it’s good value. Seat space rather small

China Airlines
8.2
Very good
727 reviews
China Airlines
8.2
Very good
727 reviews

Crew

8.5

Boarding

8.3

Comfort

8.0

Food

7.8

Overall

8.2

Entertainment

8.0

Reviews

1 / 20

6.0
Good

Alex,Dec 2024

SYD - TPE

For the money it’s good value. Seat space rather small

Delta
8.0
Very good
8,220 reviews
China Airlines
8.2
Very good
727 reviews

Crew

8.5

Boarding

8.3

Comfort

8.0

Food

7.8

Overall

8.2

Entertainment

8.0

Reviews

1 / 20

6.0
Good

Alex,Dec 2024

SYD - TPE

For the money it’s good value. Seat space rather small

KLM
7.8
Good
1,333 reviews
China Airlines
8.2
Very good
727 reviews

Crew

8.5

Boarding

8.3

Comfort

8.0

Food

7.8

Overall

8.2

Entertainment

8.0

Reviews

1 / 20

6.0
Good

Alex,Dec 2024

SYD - TPE

For the money it’s good value. Seat space rather small

United Airlines
7.4
Good
8,766 reviews
China Airlines
8.2
Very good
727 reviews

Crew

8.5

Boarding

8.3

Comfort

8.0

Food

7.8

Overall

8.2

Entertainment

8.0

Reviews

1 / 20

6.0
Good

Alex,Dec 2024

SYD - TPE

For the money it’s good value. Seat space rather small

American Airlines
7.2
Good
10,000 reviews
China Airlines
8.2
Very good
727 reviews

Crew

8.5

Boarding

8.3

Comfort

8.0

Food

7.8

Overall

8.2

Entertainment

8.0

Reviews

1 / 20

6.0
Good

Alex,Dec 2024

SYD - TPE

For the money it’s good value. Seat space rather small

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 ($709), British Airways ($712), and Iberia ($713).

  • What are the most popular routes from Austria to Ontario?

    The most popular flight routes from Austria to Ontario are Vienna Intl - Ontario, Linz Hoersching - Ontario and Graz Thalerhof - 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 $315). 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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