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$603+ 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 2/23. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — VIE
ene. 9 — ene. 161
vie. 1/9
vie. 1/16
1 adult, Economy
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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 diciembre 10, 2025.

This oojo deal was found by Cheapflights users on 12/8. 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.
mar. 12/302:49 pmONT - VIE
2 stops17h 56mBritish Airways
mar. 1/1311:30 amVIE - ONT
2 stops20h 18mBritish Airways
Deal found 12/8$1,404
This CheapOair deal was found by Cheapflights users on 12/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/126:00 amONT - VIE
2 stops30h 55mMultiple Airlines
dom. 12/1410:00 amVIE - ONT
2 stops22h 29mMultiple Airlines
Deal found 12/9$1,674
This oojo deal was found by Cheapflights users on 12/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/2510:50 amONT - VIE
2 stops22h 40mBritish Airways
jue. 1/17:25 amVIE - ONT
2 stops23h 49mBritish Airways
Deal found 12/10$2,036
This CheapOair deal was found by Cheapflights users on 12/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/1512:13 pmONT - VIE
2 stops24h 42mMultiple Airlines
lun. 12/226:45 amVIE - ONT
2 stops26h 29mMultiple Airlines
Deal found 12/9$2,083
This United Airlines deal was found by Cheapflights users on 12/8. 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. 12/166:00 amONT - VIE
2 stops17h 30mUnited Airlines
vie. 12/2610:55 amVIE - ONT
1 stop20h 30mUnited Airlines
Deal found 12/8$2,183
This oojo deal was found by Cheapflights users on 12/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/93:04 pmONT - VIE
2 stops34h 11mBritish Airways
lun. 3/99:15 pmVIE - ONT
2 stops32h 52mBritish Airways
Deal found 12/9$2,204
This oojo deal was found by Cheapflights users on 12/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/142:53 pmONT - VIE
2 stops20h 32mBritish Airways
lun. 12/229:15 pmVIE - ONT
2 stops30h 01mBritish Airways
Deal found 12/10$2,205
This oojo deal was found by Cheapflights users on 12/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/2510:50 amONT - VIE
2 stops20h 20mBritish Airways
mié. 12/3110:05 amVIE - ONT
2 stops36h 47mBritish Airways
Deal found 12/9$2,229
This United Airlines deal was found by Cheapflights users on 12/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/165:05 amONT - VIE
2 stops17h 55mUnited Airlines
jue. 1/810:35 amVIE - ONT
2 stops19h 23mUnited Airlines
Deal found 12/9$2,233
This oojo deal was found by Cheapflights users on 12/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/134:47 pmONT - VIE
2 stops32h 18mBritish Airways
lun. 12/229:15 pmVIE - ONT
2 stops33h 41mBritish Airways
Deal found 12/9$2,255
This United Airlines deal was found by Cheapflights users on 12/10. 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.
dom. 12/146:00 amONT - VIE
2 stops17h 00mUnited Airlines
lun. 12/2210:55 amVIE - ONT
1 stop20h 30mUnited Airlines
Deal found 12/10$2,258

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 diciembre 10, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$904
(oojo)

One-way from

$603
(oojo)

Popular in

June

Cheapest in

November

Average price

$1,109
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 diciembre 10, 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

lun. 3/2

10:59 am-3:20 pm

2 stops19h 21m

Vienna Intl

lun. 3/9

9:15 pm-6:42 pm

2 stops29h 27m

$904

OntarioVienna

ONT - VIE

ONTVIE

Ontario

mié. 1/28

7:16 am-4:10 pm

2 stops23h 54m

Vienna Intl

mié. 2/11

7:25 am-6:45 pm

2 stops20h 20m

$904

OntarioVienna

ONT - VIE

ONTVIE

Ontario

dom. 2/1

1:24 pm-6:05 pm

2 stops19h 41m

Vienna Intl

sáb. 2/14

10:35 am-5:41 pm

2 stops40h 06m

$933

OntarioVienna

ONT - VIE

ONTVIE

Ontario

vie. 1/30

3:09 pm-6:25 pm

2 stops18h 16m

Vienna Intl

vie. 2/13

7:25 am-10:04 pm

2 stops23h 39m

$954

OntarioVienna

ONT - VIE

ONTVIE

Ontario

jue. 1/29

10:58 am-8:15 pm

2 stops24h 17m

Vienna Intl

jue. 2/12

11:05 am-10:04 pm

2 stops19h 59m

$954

OntarioVienna

ONT - VIE

ONTVIE

Ontario

dom. 2/1

3:09 pm-10:30 pm

2 stops22h 21m

Vienna Intl

dom. 2/15

4:50 pm-6:39 pm

2 stops34h 49m

$954

OntarioVienna

ONT - VIE

ONTVIE

Ontario

mié. 3/11

10:56 am-4:10 pm

2 stops21h 14m

Vienna Intl

jue. 3/19

7:25 am-10:07 pm

2 stops22h 42m

$1,029

OntarioVienna

ONT - VIE

ONTVIE

Ontario

dom. 3/22

2:47 pm-5:55 pm

2 stops19h 08m

Vienna Intl

vie. 4/3

11:10 am-10:30 pm

2 stops20h 20m

$1,049

OntarioVienna

ONT - VIE

ONTVIE

Ontario

vie. 3/27

11:30 am-9:55 pm

2 stops26h 25m

Vienna Intl

jue. 4/2

8:05 am-10:38 pm

2 stops23h 33m

$1,071

OntarioVienna

ONT - VIE

ONTVIE

Ontario

lun. 3/9

6:37 pm-8:20 am

2 stops29h 43m

Vienna Intl

lun. 3/23

10:55 am-10:25 pm

1 stop19h 30m

$1,153

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/7

Showing 1-10 of 33 results
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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, United Airlines, and KLM fly from Ontario to Austria in about 19h 21m. The time it takes to get you to your destination can typically vary by up to 20m. 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

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