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$627+ Cheap flights from Ontario (ONT) to Vienna (VIE)

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 11/30. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — VIE
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Ontario to Vienna

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Vienna (VIE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$896
(Air Canada)

One-way from

$627
(Iberia)

Popular in

December

Cheapest in

January

Average price

$824
From Ontario to Vienna Intl
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One-way flight from Ontario to Vienna Intl
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Highest demand for flights based on searches. 3% potential increase in price ($28 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($33 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 Ontario to Vienna

Cheapest flights from Ontario to Vienna
Explore the most affordable flight options available from Ontario to Vienna. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Air Canada deal was found by Cheapflights users on 9/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/35:05 amONT - VIE
2 stops18h 30mAir Canada
Tue 11/1810:35 amVIE - ONT
2 stops19h 09mAir Canada
Deal found 9/11$910
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Fri 10/317:00 amONT - VIE
1 stop17h 05mUnited Airlines
Fri 11/1410:55 amVIE - ONT
1 stop20h 36mUnited Airlines
Deal found 9/11$953
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/21:29 pmONT - VIE
2 stops19h 36mUnited Airlines
Sun 11/1610:35 amVIE - ONT
2 stops21h 16mUnited Airlines
Deal found 9/10$957
This Air Canada deal was found by Cheapflights users on 9/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/307:00 amONT - VIE
2 stops17h 45mMultiple Airlines
Thu 11/1310:35 amVIE - ONT
2 stops19h 09mMultiple Airlines
Deal found 9/10$966
This Expedia deal was found by Cheapflights users on 9/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/266:00 amONT - VIE
2 stops25h 20mMultiple Airlines
Sun 11/27:45 amVIE - ONT
2 stops22h 08mMultiple Airlines
Deal found 9/11$1,041
This Turkish Airlines deal was found by Cheapflights users on 9/9. 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.
Mon 9/2210:56 pmONT - VIE
2 stops28h 49mMultiple Airlines
Mon 9/296:40 amVIE - ONT
2 stops26h 23mMultiple Airlines
Deal found 9/9$1,095
This Air Canada deal was found by Cheapflights users on 9/9. 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.
Fri 12/56:00 amONT - VIE
2 stops17h 45mMultiple Airlines
Sat 12/1310:35 amVIE - ONT
2 stops19h 07mMultiple Airlines
Deal found 9/9$1,166
This Air Canada deal was found by Cheapflights users on 9/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/136:00 amONT - VIE
2 stops17h 35mMultiple Airlines
Tue 1/610:35 amVIE - ONT
2 stops19h 23mMultiple Airlines
Deal found 9/11$1,180
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/217:02 amONT - VIE
1 stop16h 18mUnited Airlines
Sat 11/110:55 amVIE - ONT
1 stop19h 36mUnited Airlines
Deal found 9/10$1,203
This Air Canada deal was found by Cheapflights users on 9/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/86:00 amONT - VIE
2 stops17h 45mMultiple Airlines
Sun 12/2810:35 amVIE - ONT
2 stops19h 32mMultiple Airlines
Deal found 9/10$1,223
This Air Canada deal was found by Cheapflights users on 9/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/66:00 amONT - VIE
2 stops17h 35mMultiple Airlines
Sun 1/1110:35 amVIE - ONT
2 stops19h 23mMultiple Airlines
Deal found 9/10$1,227

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Vienna 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 September 11, 2025.
Use the filters below to find and compare flights from Ontario to Vienna that are best for you.

Fly from

Ontario

Fly to

Vienna

Route

Depart

Return

Price

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Mon 3/9

5:40 am-8:35 am

2 stops18h 55m

Vienna Intl

Wed 3/18

10:40 am-12:33 pm

2 stops33h 53m

$896

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Sun 3/1

1:00 pm-6:05 pm

2 stops20h 05m

Vienna Intl

Wed 3/18

10:55 am-10:26 pm

1 stop19h 31m

$907

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Fri 11/14

7:00 am-8:05 am

1 stop16h 05m

Vienna Intl

Tue 11/25

10:35 am-10:51 pm

2 stops21h 16m

$953

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Fri 10/31

7:00 am-8:05 am

1 stop17h 05m

Vienna Intl

Fri 11/14

10:55 am-10:31 pm

1 stop20h 36m

$953

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Mon 3/9

7:00 am-8:05 am

1 stop17h 05m

Vienna Intl

Mon 3/23

10:55 am-10:26 pm

1 stop19h 31m

$953

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Mon 11/3

7:00 am-8:05 am

1 stop16h 05m

Vienna Intl

Mon 11/17

10:55 am-6:36 pm

1 stop16h 41m

$953

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Thu 11/6

1:29 pm-6:05 pm

2 stops19h 36m

Vienna Intl

Thu 11/13

10:35 am-10:51 pm

2 stops21h 16m

$957

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Sun 11/2

1:29 pm-6:05 pm

2 stops19h 36m

Vienna Intl

Sun 11/16

10:35 am-10:51 pm

2 stops21h 16m

$957

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Thu 10/30

7:00 am-8:45 am

2 stops17h 45m

Vienna Intl

Thu 11/13

10:35 am-8:44 pm

2 stops19h 09m

$966

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Fri 2/13

7:00 am-8:05 am

1 stop16h 05m

Vienna Intl

Sun 2/22

10:35 am-10:26 pm

2 stops20h 51m

$1,010

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 22 results
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Best time to book a flight from Ontario to Vienna

Have a flexible travel schedule? Discover the best time to fly to Vienna 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 Vienna

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

Currently, October is the cheapest month in which you can book a flight from Ontario to Vienna (average of $737). Flying from Ontario to Vienna in June is currently the most expensive (average of $1,231). 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 Vienna. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Ontario to Vienna?

    Air Canada and United Airlines can get you from Ontario to Vienna in just under 18h 55m. Your travel time can differ by up to 1h 10m. Ontario and Vienna are separated by a distance of 6089 mi. This flight may include one or multiple stops.

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

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

  • How can I find direct flights from Ontario to Vienna?

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

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

    Yes. Cheapflights offers flight deals from Ontario to Vienna 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 Vienna?

    Currently, October is the cheapest month in which you can book a flight from Ontario to Vienna (average of $737). Flying from Ontario to Vienna in June is currently the most expensive (average of $1,231). 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

Traveling to a place near Vienna?

Book flights to Vienna if you plan to visit one of these locations
Amstetten
Melk

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