HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Austria

$660+ Cheap flights from Ontario (ONT) to Austria

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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — VIE
nov. 15 — nov. 221
sáb. 11/15
sáb. 11/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Austria 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 Austria

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

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$907
(United Airlines)

One-way from

$660
(Orbitz)

Popular in

June

Cheapest in

September

Average price

$740
Provider with most accurate pricing for Los Angeles-Vienna Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Vienna Intl flights.
Search Deals
From Ontario to Austria
Search Deals
One-way flight from Ontario to Austria
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($150 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Find flight deals from Ontario to Austria

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

This United Airlines deal was found by Cheapflights users on 10/14. 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.
mié. 12/35:05 amONT - VIE
2 stops18h 00mUnited Airlines
mié. 12/1010:35 amVIE - ONT
2 stops21h 14mUnited Airlines
Deal found 10/14$907
This United Airlines deal was found by Cheapflights users on 10/16. 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.
mié. 12/105:05 amONT - VIE
2 stops18h 00mUnited Airlines
mié. 12/247:00 amVIE - ONT
2 stops24h 25mUnited Airlines
Deal found 10/16$913
This Air Canada deal was found by Cheapflights users on 10/15. 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.
mié. 12/36:00 amONT - VIE
2 stops17h 45mMultiple Airlines
jue. 12/1110:35 amVIE - ONT
2 stops19h 07mMultiple Airlines
Deal found 10/15$916
This United Airlines deal was found by Cheapflights users on 10/16. 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. 12/2311:59 pmONT - VIE
2 stops33h 06mUnited Airlines
mié. 12/3110:55 amVIE - ONT
1 stop20h 30mUnited Airlines
Deal found 10/16$1,044
This Air Canada deal was found by Cheapflights users on 10/15. 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.
jue. 12/46:00 amONT - VIE
2 stops17h 35mMultiple Airlines
vie. 12/1210:35 amVIE - ONT
2 stops19h 07mMultiple Airlines
Deal found 10/15$1,059
This United Airlines deal was found by Cheapflights users on 10/16. 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. 12/2311:59 pmONT - VIE
2 stops33h 06mUnited Airlines
mar. 12/306:50 amVIE - ONT
2 stops48h 35mUnited Airlines
Deal found 10/16$1,063
This United Airlines deal was found by Cheapflights users on 10/16. 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.
lun. 12/2211:59 pmONT - VIE
2 stops47h 31mUnited Airlines
mié. 12/3110:55 amVIE - ONT
1 stop20h 30mUnited Airlines
Deal found 10/16$1,170
This United Airlines deal was found by Cheapflights users on 10/16. 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.
lun. 12/2211:59 pmONT - VIE
2 stops47h 31mUnited Airlines
mar. 12/306:50 amVIE - ONT
2 stops48h 35mUnited Airlines
Deal found 10/16$1,189
This Air Canada deal was found by Cheapflights users on 10/16. 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. 12/86:00 amONT - VIE
2 stops17h 45mMultiple Airlines
mar. 12/2310:35 amVIE - ONT
2 stops19h 32mMultiple Airlines
Deal found 10/16$1,191
This United Airlines deal was found by Cheapflights users on 10/16. 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.
dom. 11/301:29 pmONT - VIE
2 stops19h 36mUnited Airlines
lun. 12/810:55 amVIE - ONT
2 stops20h 54mUnited Airlines
Deal found 10/16$1,199

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Austria 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 octubre 16, 2025.
Use the filters below to find and compare flights from Ontario to Austria that are best for you.

Fly from

Ontario

Fly to

Austria

Route

Depart

Return

Price

OntarioVienna

ONT - VIE

ONTVIE

Ontario

mié. 12/3

5:05 am-8:05 am

2 stops18h 00m

Vienna Intl

jue. 12/11

10:35 am-10:49 pm

2 stops21h 14m

$907

OntarioVienna

ONT - VIE

ONTVIE

Ontario

mié. 12/3

5:05 am-8:05 am

2 stops18h 00m

Vienna Intl

mié. 12/10

10:35 am-10:49 pm

2 stops21h 14m

$907

OntarioVienna

ONT - VIE

ONTVIE

Ontario

mié. 12/10

5:05 am-8:05 am

2 stops18h 00m

Vienna Intl

mié. 12/24

7:00 am-10:25 pm

2 stops24h 25m

$913

OntarioVienna

ONT - VIE

ONTVIE

Ontario

mié. 12/3

6:00 am-8:45 am

2 stops17h 45m

Vienna Intl

jue. 12/11

10:35 am-8:42 pm

2 stops19h 07m

$916

OntarioInnsbruck

ONT - INN

ONTINN

Ontario

sáb. 1/31

1:00 pm-4:35 pm

2 stops18h 35m

Innsbruck Kranebitten

sáb. 2/7

9:20 am-9:14 pm

2 stops20h 54m

$1,035

OntarioVienna

ONT - VIE

ONTVIE

Ontario

mié. 12/24

5:05 am-6:05 pm

2 stops28h 00m

Vienna Intl

mié. 12/31

10:55 am-10:25 pm

1 stop20h 30m

$1,044

OntarioVienna

ONT - VIE

ONTVIE

Ontario

mié. 4/1

4:15 pm-8:20 am

2 stops55h 05m

Vienna Intl

dom. 4/5

6:50 am-10:26 pm

2 stops48h 36m

$1,049

OntarioVienna

ONT - VIE

ONTVIE

Ontario

dom. 3/29

6:02 am-8:20 am

2 stops17h 18m

Vienna Intl

dom. 4/5

10:30 am-10:26 pm

1 stop20h 56m

$1,059

OntarioVienna

ONT - VIE

ONTVIE

Ontario

mié. 12/24

6:04 am-6:05 pm

2 stops27h 01m

Vienna Intl

mar. 12/30

6:50 am-10:25 pm

2 stops48h 35m

$1,063

OntarioVienna

ONT - VIE

ONTVIE

Ontario

mar. 12/23

11:59 pm-6:05 pm

2 stops33h 06m

Vienna Intl

mar. 12/30

6:50 am-10:25 pm

2 stops48h 35m

$1,063

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/15

Showing 1-10 of 23 results
1
2
3

Best time to book a flight from Ontario to Austria

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

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

Currently, January is the cheapest month in which you can book a flight from Ontario to Austria (average of $424). Flying from Ontario to Austria in June is currently the most expensive (average of $805). 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 Austria. 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 from for flights from Ontario to Austria?

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

  • How long is the flight from Ontario to Austria?

    Airlines like United Airlines, KLM, and British Airways fly from Ontario to Austria in about 18h. The time it takes to get you to your destination can typically vary by up to 23h. Ontario and Austria 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.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Ontario to Austria (average of $424). Flying from Ontario to Austria in June is currently the most expensive (average of $805). 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

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 Austria

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Heathrow flights
San Francisco to Heathrow flights
Los Angeles to Charles de Gaulle flights
San Francisco to Charles de Gaulle flights
Los Angeles to Leonardo da Vinci/Fiumicino flights
Los Angeles to Gatwick flights
Los Angeles to Madrid flights
Los Angeles to London City flights
San Francisco to Gatwick flights
Los Angeles to Istanbul flights
Los Angeles to Frankfurt flights
Los Angeles to Orly flights
San Francisco to London City flights
San Francisco to Leonardo da Vinci/Fiumicino flights
San Francisco to Istanbul flights
San Francisco to Barcelona-El Prat flights
Los Angeles to Barcelona-El Prat flights
Los Angeles to Dublin flights
Los Angeles to Stansted flights
San Francisco to Lisbon flights
Ontario to Leonardo da Vinci/Fiumicino flights
Ontario to Heathrow flights
Los Angeles to Luton flights
Ontario to Charles de Gaulle flights
San Francisco to Amsterdam flights
San Francisco to Dublin flights
Los Angeles to Lisbon flights
San Francisco to Madrid flights
Santa Ana to Heathrow flights
Santa Ana to Leonardo da Vinci/Fiumicino flights
Los Angeles to Amsterdam flights
San Francisco to Frankfurt flights
Los Angeles to Munich flights
San Diego to Heathrow flights
San Francisco to Stansted flights
San Francisco to Luton flights
Los Angeles to Zurich flights
San Francisco to Zurich flights
Santa Ana to Charles de Gaulle flights
San Francisco to Munich flights
Los Angeles to Malpensa flights
Los Angeles to Beauvais-Tille flights
San Francisco to Athens flights
Burbank to Charles de Gaulle flights
San Francisco to Linate flights
San Francisco to Malpensa flights
San Francisco to Orly flights
Los Angeles to Linate flights
Los Angeles to Sabiha Gokcen flights
Las Vegas to Heathrow 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.