HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Vienna

$646+ 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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — VIE
Feb 27 — Mar 61
Thu 2/27
Thu 3/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Vienna with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 February 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,241
(Air Canada)

One-way from

$646
(American Airlines)

Popular in

June

Cheapest in

January

Average price

$967
Provider with most accurate pricing for Ontario-Vienna Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Vienna Intl flights.
Search Deals
From Ontario to Vienna Intl
Search Deals
One-way flight from Ontario to Vienna Intl
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($236 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
Search Deals

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 February 22, 2025.

This United Airlines deal was found by Cheapflights users on 2/21. 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 9/297:00 amONT - VIE
1 stop16h 20mUnited Airlines
Thu 10/2310:30 amVIE - ONT
1 stop20h 56mUnited Airlines
Deal found 2/21$1,237
This Air Canada deal was found by Cheapflights users on 2/21. 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.
Tue 4/156:00 amONT - VIE
2 stops17h 20mMultiple Airlines
Wed 4/3010:30 amVIE - ONT
2 stops19h 12mMultiple Airlines
Deal found 2/21$1,241
This oojo deal was found by Cheapflights users on 2/22. 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 5/192:44 pmONT - VIE
2 stops23h 11mIberia
Tue 6/107:00 amVIE - ONT
2 stops20h 59mIberia
Deal found 2/22$1,463
This American Airlines deal was found by Cheapflights users on 2/21. 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 3/910:57 amONT - VIE
2 stops18h 33mAmerican Airlines
Thu 3/1311:10 amVIE - ONT
2 stops19h 17mAmerican Airlines
Deal found 2/21$1,859
This oojo deal was found by Cheapflights users on 2/21. 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.
Fri 4/2512:10 amONT - VIE
1 stop45h 50mChina Airlines
Fri 5/211:25 amVIE - ONT
1 stop39h 35mChina Airlines
Deal found 2/21$9,034

Find flights from Ontario to Vienna within your budget

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 February 22, 2025.

Fly from

Ontario

Fly to

Vienna

Route

Depart

Return

Price

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Tue 4/15

6:00 am-8:20 am

2 stops17h 20m

Vienna Intl

Wed 4/30

10:30 am-8:42 pm

2 stops19h 12m

$1,241

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Tue 4/15

5:00 am-7:50 am

2 stops17h 50m

Vienna Intl

Tue 4/29

10:30 am-8:42 pm

2 stops19h 12m

$1,242

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Mon 5/19

2:44 pm-10:55 pm

2 stops23h 11m

Vienna Intl

Tue 6/10

7:00 am-6:59 pm

2 stops20h 59m

$1,463

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Sun 3/9

10:57 am-1:30 pm

2 stops18h 33m

Vienna Intl

Thu 3/13

11:10 am-10:27 pm

2 stops19h 17m

$1,859

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Fri 4/25

12:10 am-7:00 am

1 stop45h 50m

Vienna Intl

Fri 5/2

11:25 am-6:00 pm

1 stop39h 35m

$9,034

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Fri 5/9

4:35 pm-7:05 pm

2 stops17h 30m

$646

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Wed 3/26

7:00 am-4:05 pm

2 stops25h 05m

$661

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Wed 4/30

4:35 pm-7:20 pm

2 stops17h 45m

$755

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Tue 8/5

5:10 am-8:35 am

2 stops18h 25m

$866

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Mon 5/12

6:48 pm-8:20 am

2 stops28h 32m

$868

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/21

Showing 1-10 of 13 results
1
2

Compare providers for flights from Ontario to Vienna

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Vienna in February.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-Vienna flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Vienna flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Vienna flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Vienna flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Vienna flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

Travel insights for flights from Ontario to Vienna

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

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 $1,318). 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 Vienna by month

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

In terms of precipitation, rainfall in Vienna ranges from 0.8 - 2.6 inches per month. July is typically the wettest month, when rainfall can reach 2.6 in. January is typically the driest time to visit Vienna when rainfall is around 0.8 in.

Temperature in Vienna by month

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

If weather is an important factor for your trip to Vienna, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

Reviews of airlines servicing Vienna

Get insights into the airlines that provide service to Vienna. 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 Vienna. Reviews last updated February 22, 2025.
China Airlines
8.2
Very good
726 reviews

Boarding

8.3

Food

7.8

Overall

8.2

Comfort

8.0

Crew

8.5

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
726 reviews
China Airlines
8.2
Very good
726 reviews

Boarding

8.3

Food

7.8

Overall

8.2

Comfort

8.0

Crew

8.5

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
8,203 reviews
China Airlines
8.2
Very good
726 reviews

Boarding

8.3

Food

7.8

Overall

8.2

Comfort

8.0

Crew

8.5

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
8,754 reviews
China Airlines
8.2
Very good
726 reviews

Boarding

8.3

Food

7.8

Overall

8.2

Comfort

8.0

Crew

8.5

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
726 reviews

Boarding

8.3

Food

7.8

Overall

8.2

Comfort

8.0

Crew

8.5

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

Air Canada
7.0
Good
8,757 reviews
China Airlines
8.2
Very good
726 reviews

Boarding

8.3

Food

7.8

Overall

8.2

Comfort

8.0

Crew

8.5

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 Ontario to Vienna. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Ontario to Vienna round-trip?

    Cheapflights users have booked flights from Ontario to Vienna round-trip from $1,242. Other airlines that can offer you cheap pricing are Iberia, from $1,463, and American Airlines, from $1,859.

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

    The cheapest airlines for a one-way flight from Ontario to Vienna are American Airlines ($646), British Airways ($755), and Air Canada ($866).

  • 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 $1,318). 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 Ontario?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Vienna

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Vienna flights
San Francisco to Vienna flights
San Jose to Vienna flights
San Diego to Vienna flights
Santa Ana to Vienna flights
Oakland to Vienna flights
San Francisco to Salzburg flights
Sacramento to Vienna flights
Las Vegas to Vienna flights
San Diego to Salzburg flights
San Francisco to Innsbruck flights
San Jose to Innsbruck flights
Burbank to Vienna flights
Los Angeles to Innsbruck flights
San Jose to Salzburg flights
San Francisco to Linz flights
Los Angeles to Salzburg flights
San Francisco to Graz flights
Santa Barbara to Vienna flights
Los Angeles to Graz flights
Sacramento to Salzburg flights
Los Angeles to Linz flights
Las Vegas to Innsbruck flights
San Jose to Graz flights
Santa Rosa to Vienna flights
Monterey to Innsbruck flights
Las Vegas to Graz flights
Monterey to Vienna flights
Reno to Vienna flights
Sacramento to Innsbruck flights
San Luis Obispo to Vienna flights
Los Angeles to Klagenfurt flights
Santa Ana to Salzburg flights
Santa Ana to Innsbruck flights
Ontario to Innsbruck flights
Medford to Vienna flights
San Luis Obispo to Salzburg flights
San Francisco to Klagenfurt flights
Oakland to Innsbruck flights
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.