HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Austria

$602+ 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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — VIE
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
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

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 December 15, 2025.

This oojo deal was found by Cheapflights users on 12/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/284:47 pmONT - VIE
2 stops18h 38mBritish Airways
Sun 1/117:00 pmVIE - ONT
2 stops31h 22mBritish Airways
Deal found 12/12$1,454
This oojo deal was found by Cheapflights users on 12/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/274:47 pmONT - VIE
2 stops16h 18mBritish Airways
Sun 1/117:00 pmVIE - ONT
2 stops31h 22mBritish Airways
Deal found 12/12$1,504
This United Airlines deal was found by Cheapflights users on 12/14. 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.
Sun 12/2811:59 pmONT - VIE
1 stop23h 06mUnited Airlines
Sun 1/1110:35 amVIE - ONT
2 stops40h 08mUnited Airlines
Deal found 12/14$1,507
This oojo deal was found by Cheapflights users on 12/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/284:47 pmONT - VIE
2 stops18h 38mBritish Airways
Sat 1/107:25 pmVIE - ONT
2 stops33h 45mBritish Airways
Deal found 12/14$1,644
This oojo deal was found by Cheapflights users on 12/13. 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.
Wed 12/2412:45 pmONT - VIE
2 stops18h 25mBritish Airways
Mon 1/199:15 pmVIE - ONT
2 stops30h 30mBritish Airways
Deal found 12/13$1,780
This Mytrip deal was found by Cheapflights users on 12/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2511:02 pmONT - VIE
3 stops31h 18mMultiple Airlines
Sun 1/45:10 pmVIE - ONT
2 stops34h 34mMultiple Airlines
Deal found 12/12$1,859
This oojo deal was found by Cheapflights users on 12/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/264:47 pmONT - VIE
2 stops16h 38mBritish Airways
Sun 1/117:00 pmVIE - ONT
2 stops31h 22mBritish Airways
Deal found 12/14$1,867
This United Airlines deal was found by Cheapflights users on 12/14. 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.
Tue 12/231:40 pmONT - VIE
2 stops33h 20mUnited Airlines
Tue 1/612:35 pmVIE - ONT
2 stops38h 08mUnited Airlines
Deal found 12/14$1,932
This oojo deal was found by Cheapflights users on 12/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2410:50 amONT - VIE
2 stops20h 20mBritish Airways
Thu 1/17:25 amVIE - ONT
2 stops23h 49mBritish Airways
Deal found 12/14$2,124
This United Airlines deal was found by Cheapflights users on 12/14. 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.
Fri 12/2611:59 pmONT - VIE
1 stop23h 06mUnited Airlines
Sun 1/1110:35 amVIE - ONT
2 stops40h 08mUnited Airlines
Deal found 12/14$2,192
This oojo deal was found by Cheapflights users on 12/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/154:47 pmONT - VIE
2 stops31h 28mBritish Airways
Mon 12/229:15 pmVIE - ONT
2 stops33h 41mBritish Airways
Deal found 12/15$2,205

Find flight deals from Ontario to Austria

Keep the following information in mind while searching for Ontario to Austria flight deals. Data was last updated December 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$905
(oojo)

One-way from

$602
(Gotogate)

Popular in

June

Cheapest in

November

Average price

$1,106
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. 16% potential increase in price ($176 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 15, 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

Sun 3/15

5:02 pm-8:25 pm

2 stops19h 23m

Vienna Intl

Mon 3/23

9:15 pm-6:42 pm

2 stops29h 27m

$905

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Sun 2/8

10:58 am-8:25 pm

2 stops24h 27m

Vienna Intl

Sun 2/15

10:55 am-10:49 pm

2 stops20h 54m

$954

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Fri 3/20

2:47 pm-6:25 pm

2 stops19h 38m

Vienna Intl

Thu 4/2

11:25 am-10:07 pm

2 stops19h 42m

$955

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Thu 2/26

5:06 pm-6:30 pm

2 stops16h 24m

Vienna Intl

Wed 3/18

10:05 am-10:19 pm

2 stops20h 14m

$955

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Fri 2/27

5:06 pm-6:25 pm

2 stops16h 19m

Vienna Intl

Tue 3/3

4:05 pm-4:24 pm

2 stops33h 19m

$1,104

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Thu 3/19

6:00 am-8:35 am

2 stops18h 35m

Vienna Intl

Tue 3/24

10:35 am-10:25 pm

2 stops19h 50m

$1,113

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Sun 3/15

11:59 pm-8:05 am

1 stop24h 06m

Vienna Intl

Mon 3/23

10:55 am-10:25 pm

1 stop19h 30m

$1,153

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Thu 2/12

5:06 pm-6:30 pm

2 stops16h 24m

Vienna Intl

Sun 2/15

7:25 am-6:39 pm

2 stops20h 14m

$1,155

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Tue 5/19

1:33 pm-10:30 pm

2 stops23h 57m

Vienna Intl

Mon 5/25

7:20 pm-4:32 pm

2 stops30h 12m

$1,195

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Thu 3/12

6:00 am-3:00 pm

2 stops25h 00m

Vienna Intl

Thu 3/19

7:45 pm-10:30 pm

2 stops34h 45m

$1,285

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 38 results
1
2
3
4

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, October is the cheapest month in which you can book a flight from Ontario to Austria (average of $408). 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 British Airways, Iberia, and KLM fly from Ontario to Austria in about 19h 23m. The time it takes to get you to your destination can typically vary by up to 4h 02m. 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, October is the cheapest month in which you can book a flight from Ontario to Austria (average of $408). 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
San Francisco to Leonardo da Vinci/Fiumicino flights
Los Angeles to Istanbul flights
Los Angeles to Gatwick flights
Los Angeles to London City flights
Los Angeles to Madrid flights
San Francisco to Gatwick flights
San Francisco to London City flights
Los Angeles to Orly flights
Los Angeles to Amsterdam flights
San Francisco to Istanbul flights
San Francisco to Lisbon flights
San Francisco to Frankfurt flights
San Francisco to Barcelona-El Prat flights
Los Angeles to Barcelona-El Prat flights
Los Angeles to Dublin flights
Los Angeles to Frankfurt flights
Los Angeles to Stansted flights
San Francisco to Dublin flights
San Francisco to Amsterdam flights
San Diego to Heathrow flights
Los Angeles to Lisbon flights
San Francisco to Zurich flights
Ontario to Heathrow flights
Ontario to Charles de Gaulle flights
San Francisco to Orly flights
San Francisco to Madrid flights
San Francisco to Stansted flights
Los Angeles to Athens flights
Los Angeles to Zurich flights
Los Angeles to Malpensa flights
Las Vegas to Heathrow flights
San Francisco to Malpensa flights
Ontario to Palma de Mallorca flights
San Francisco to Munich flights
San Francisco to Athens flights
Los Angeles to Sabiha Gokcen flights
Santa Ana to Charles de Gaulle flights
Los Angeles to Palma de Mallorca flights
San Jose to Charles de Gaulle flights
Los Angeles to Linate flights
Los Angeles to Copenhagen flights
Los Angeles to Munich flights
Ontario to Leonardo da Vinci/Fiumicino flights
Los Angeles to Luton flights
Santa Ana to Leonardo da Vinci/Fiumicino 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.