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Cheap flights from Ontario to Austria from $508

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Austria departing on 7/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Ontario to Austria

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
12:19 pm - 8:10 pm
ONT
-
VIE
22h 51m
2 stops
British Airways Logo
7:30 am - 4:22 pm
VIE
-
ONT
17h 52m
2 stops
$906British Airways
Sun, Apr 12 - Tue, Apr 28
United Airlines Logo
7:00 am - 8:15 am
ONT
-
VIE
16h 15m
1 stop
United Airlines Logo
10:30 am - 12:14 pm
VIE
-
ONT
34h 44m
2 stops
$938United Airlines
Thu, Apr 9 - Thu, Apr 23
United Airlines Logo
7:00 am - 8:15 am
ONT
-
VIE
16h 15m
1 stop
United Airlines Logo
10:30 am - 10:26 pm
VIE
-
ONT
20h 56m
1 stop
$954United Airlines
Thu, Apr 9 - Thu, Apr 23
British Airways Logo
4:52 pm - 10:30 pm
ONT
-
VIE
20h 38m
2 stops
British Airways Logo
7:25 am - 4:22 pm
VIE
-
ONT
17h 57m
2 stops
$956British Airways
Wed, Apr 15 - Sun, May 10
Multiple Airlines Logo
12:02 pm - 1:05 pm
ONT
-
VIE
40h 03m
2 stops
Multiple Airlines Logo
7:05 pm - 11:08 am
VIE
-
ONT
48h 03m
2 stops
$959Multiple Airlines
Thu, Mar 5 - Thu, Mar 12
United Airlines Logo
7:00 am - 8:15 am
ONT
-
VIE
16h 15m
1 stop
United Airlines Logo
10:30 am - 10:30 pm
VIE
-
ONT
21h 00m
1 stop
$1,004United Airlines
Thu, Apr 30 - Sun, May 10
British Airways Logo
10:59 am - 3:45 pm
ONT
-
VIE
19h 46m
2 stops
British Airways Logo
7:25 am - 4:22 pm
VIE
-
ONT
17h 57m
2 stops
$1,006British Airways
Thu, Apr 30 - Sun, May 10
United Airlines Logo
11:59 pm - 8:45 am
ONT
-
VIE
47h 46m
2 stops
United Airlines Logo
6:50 am - 10:18 pm
VIE
-
ONT
47h 28m
2 stops
$1,046United Airlines
Thu, Mar 5 - Mon, Mar 9
Multiple Airlines Logo
7:00 am - 8:20 am
ONT
-
VIE
16h 20m
2 stops
Multiple Airlines Logo
10:30 am - 8:36 pm
VIE
-
ONT
19h 06m
2 stops
$1,095Multiple Airlines
Fri, Apr 10 - Fri, Apr 24
KLM Logo
10:59 pm - 3:50 pm
ONT
-
INN
31h 51m
2 stops
KLM Logo
2:25 pm - 4:14 pm
INN
-
ONT
34h 49m
2 stops
$5,474KLM
Thu, May 28 - Sun, Jun 7

United Airlines flights from Ontario to Austria

Our best United Airlines deals on Ontario to Austria flight tickets
United Airlines
Apr 9
ONT7:00 amOntario
16h 15m
1 stop
VIE8:15 amVienna Intl
Apr 23
VIE10:30 amVienna Intl
34h 44m
2 stops
ONT12:14 pmOntario
$938
United Airlines
Apr 9
ONT7:00 amOntario
16h 15m
1 stop
VIE8:15 amVienna Intl
Apr 23
VIE10:30 amVienna Intl
20h 56m
1 stop
ONT10:26 pmOntario
$954
United Airlines
Apr 30
ONT7:00 amOntario
16h 15m
1 stop
VIE8:15 amVienna Intl
May 10
VIE10:30 amVienna Intl
21h 00m
1 stop
ONT10:30 pmOntario
$1,004

British Airways flights from Ontario to Austria

Our best British Airways deals on Ontario to Austria flight tickets
British Airways
Apr 12
ONT12:19 pmOntario
22h 51m
2 stops
VIE8:10 pmVienna Intl
Apr 28
VIE7:30 amVienna Intl
17h 52m
2 stops
ONT4:22 pmOntario
$906
British Airways
Apr 15
ONT4:52 pmOntario
20h 38m
2 stops
VIE10:30 pmVienna Intl
May 10
VIE7:25 amVienna Intl
17h 57m
2 stops
ONT4:22 pmOntario
$956
British Airways
Apr 30
ONT10:59 amOntario
19h 46m
2 stops
VIE3:45 pmVienna Intl
May 10
VIE7:25 amVienna Intl
17h 57m
2 stops
ONT4:22 pmOntario
$1,006

momondo 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, momondo users made 832,500 searches. Data last updated February 3, 2026.
Use the filters below to find and compare flights from Ontario to Austria that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Sun 4/12

12:19 pm-8:10 pm

2 stops22h 51m

Vienna Intl

Tue 4/28

7:30 am-4:22 pm

2 stops17h 52m

$906

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Thu 4/9

7:00 am-8:15 am

1 stop16h 15m

Vienna Intl

Thu 4/23

10:30 am-12:14 pm

2 stops34h 44m

$938

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Thu 4/9

7:00 am-8:15 am

1 stop16h 15m

Vienna Intl

Thu 4/23

10:30 am-10:26 pm

1 stop20h 56m

$954

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Wed 4/15

4:52 pm-10:30 pm

2 stops20h 38m

Vienna Intl

Sun 5/10

7:25 am-4:22 pm

2 stops17h 57m

$956

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Thu 3/5

12:02 pm-1:05 pm

2 stops40h 03m

Vienna Intl

Thu 3/12

7:05 pm-11:08 am

2 stops48h 03m

$959

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Thu 4/30

7:00 am-8:15 am

1 stop16h 15m

Vienna Intl

Sun 5/10

10:30 am-10:30 pm

1 stop21h 00m

$1,004

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Thu 4/30

10:59 am-3:45 pm

2 stops19h 46m

Vienna Intl

Sun 5/10

7:25 am-4:22 pm

2 stops17h 57m

$1,006

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Thu 3/5

11:59 pm-8:45 am

2 stops47h 46m

Vienna Intl

Mon 3/9

6:50 am-10:18 pm

2 stops47h 28m

$1,046

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Fri 4/10

7:00 am-8:20 am

2 stops16h 20m

Vienna Intl

Fri 4/24

10:30 am-8:36 pm

2 stops19h 06m

$1,095

OntarioInnsbruck

ONT - INN

ONTINN

Ontario

Thu 5/28

10:59 pm-3:50 pm

2 stops31h 51m

Innsbruck Kranebitten

Sun 6/7

2:25 pm-4:14 pm

2 stops34h 49m

$5,474

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Austria from

How to get the cheapest flight ticket from Ontario to Austria

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Ontario to Austria?

British Airways, Turkish Airlines, and United Airlines are the most popular carriers operating from Ontario to Austria

What airlines fly to Austria?

Austrian Airlines, Scandinavian Airlines and Condor are the top three most popular airlines that fly to Austria from Ontario according to our data. Austrian Airlines is the first choice among our users, with 36% of people opting to fly with this airline when traveling to Austria. Keep in mind that there are 10 different airlines that fly to Austria on a routine basis, so you have a few additional options to choose from.

Cheap Ontario to Austria flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Austria

Fastest flight time

16h 15m

Direct flights

None
The fastest flight from Ontario to Austria takes 16h 15m
There are no direct flights from Ontario to Austria. There are no popular flight routes from Ontario to Austria.
Search flight deals

  • When did momondo last update prices for flights from Ontario Airport to Austria?

    Prices for flights from Ontario Airport to Austria are refreshed on a daily basis.

  • How old do you have to be to fly from Ontario Airport to Austria?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Austria.

  • What documentation or ID do you need to fly to Austria?

    The required travel and health documents for your Austria trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Austria. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Austria?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Austria from Ontario.

Can I find flights from Ontario to Austria with flexible booking policies on momondo?

All flight searches from Ontario to Austria on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Ontario to Austria?

momondo helps you find the best flight between Ontario and Austria by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Ontario to Austria right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Ontario to Austria flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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