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Cheap flights from Ontario to Austria from $337

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 8/18. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Ontario to Austria

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
2:59 pm - 5:45 pm
ONT
-
VIE
17h 46m
2 stops
British Airways Logo
11:30 am - 10:23 pm
VIE
-
ONT
19h 53m
2 stops
$846British Airways
Tue, Nov 17 - Tue, Dec 1
Multiple Airlines Logo
12:33 pm - 10:15 am
ONT
-
VIE
36h 42m
2 stops
Multiple Airlines Logo
7:45 pm - 10:59 pm
VIE
-
ONT
36h 14m
2 stops
$868Multiple Airlines
Mon, Aug 10 - Mon, Aug 24
United Airlines Logo
7:00 am - 8:15 am
ONT
-
VIE
16h 15m
1 stop
United Airlines Logo
10:30 am - 12:12 pm
VIE
-
ONT
34h 42m
2 stops
$877United Airlines
Sun, Sep 6 - Fri, Sep 18
United Airlines Logo
5:00 am - 11:55 am
ONT
-
VIE
21h 55m
2 stops
United Airlines Logo
7:00 am - 8:01 pm
VIE
-
ONT
22h 01m
2 stops
$880United Airlines
Wed, Aug 12 - Wed, Aug 26
United Airlines Logo
1:56 pm - 8:20 am
ONT
-
VIE
33h 24m
2 stops
United Airlines Logo
10:30 am - 12:12 pm
VIE
-
ONT
34h 42m
2 stops
$885United Airlines
Tue, Sep 8 - Tue, Sep 22
British Airways Logo
2:59 pm - 5:45 pm
ONT
-
VIE
17h 46m
2 stops
British Airways Logo
11:30 am - 10:23 pm
VIE
-
ONT
19h 53m
2 stops
$890British Airways
Tue, Nov 17 - Tue, Dec 1
United Airlines Logo
7:00 am - 8:15 am
ONT
-
VIE
16h 15m
1 stop
United Airlines Logo
10:30 am - 10:49 pm
VIE
-
ONT
21h 19m
1 stop
$892United Airlines
Tue, Sep 22 - Thu, Oct 22
United Airlines Logo
7:00 am - 8:15 am
ONT
-
VIE
16h 15m
1 stop
United Airlines Logo
10:30 am - 10:49 pm
VIE
-
ONT
21h 19m
2 stops
$901United Airlines
Tue, Sep 22 - Thu, Oct 22
United Airlines Logo
7:00 am - 8:15 am
ONT
-
VIE
16h 15m
1 stop
United Airlines Logo
10:30 am - 12:18 pm
VIE
-
ONT
34h 48m
2 stops
$927United Airlines
Mon, Aug 24 - Sat, Sep 26
United Airlines Logo
5:00 am - 8:15 am
ONT
-
VIE
18h 15m
2 stops
United Airlines Logo
10:30 am - 12:12 pm
VIE
-
ONT
34h 42m
2 stops
$932United Airlines
Mon, Aug 10 - Mon, Aug 24

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United Airlines flights from Ontario to Austria

Our best United Airlines deals on Ontario to Austria flight tickets
United Airlines
Sep 6
ONT7:00 amOntario
16h 15m
1 stop
VIE8:15 amVienna Intl
Sep 18
VIE10:30 amVienna Intl
34h 42m
2 stops
ONT12:12 pmOntario
$877
United Airlines
Aug 12
ONT5:00 amOntario
21h 55m
2 stops
VIE11:55 amVienna Intl
Aug 26
VIE7:00 amVienna Intl
22h 01m
2 stops
ONT8:01 pmOntario
$880
United Airlines
Sep 8
ONT1:56 pmOntario
33h 24m
2 stops
VIE8:20 amVienna Intl
Sep 22
VIE10:30 amVienna Intl
34h 42m
2 stops
ONT12:12 pmOntario
$885

Turkish Airlines flights from Ontario to Austria

Our best Turkish Airlines deals on Ontario to Austria flight tickets
Turkish Airlines
Sep 21
ONT9:10 pmOntario
36h 05m
2 stops
VIE6:15 pmVienna Intl
Oct 5
VIE7:50 pmVienna Intl
33h 23m
2 stops
ONT8:13 pmOntario
$1,084
Turkish Airlines
Sep 19
ONT9:10 pmOntario
36h 05m
2 stops
VIE6:15 pmVienna Intl
Oct 4
VIE4:35 pmVienna Intl
60h 38m
2 stops
ONT8:13 pmOntario
$1,099
Turkish Airlines
Jul 3
ONT11:54 pmOntario
33h 21m
2 stops
VIE6:15 pmVienna Intl
Jul 21
VIE4:35 pmVienna Intl
63h 09m
2 stops
ONT10:44 pmOntario
$1,954

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 June 21, 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

Cheapest round-trip

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Tue 11/17

2:59 pm-5:45 pm

2 stops17h 46m

Vienna Intl

Tue 12/1

11:30 am-10:23 pm

2 stops19h 53m

$846

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Mon 8/10

12:33 pm-10:15 am

2 stops36h 42m

Vienna Intl

Mon 8/24

7:45 pm-10:59 pm

2 stops36h 14m

$868

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Sun 9/6

7:00 am-8:15 am

1 stop16h 15m

Vienna Intl

Fri 9/18

10:30 am-12:12 pm

2 stops34h 42m

$877

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Wed 8/12

5:00 am-11:55 am

2 stops21h 55m

Vienna Intl

Wed 8/26

7:00 am-8:01 pm

2 stops22h 01m

$880

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Tue 9/8

1:56 pm-8:20 am

2 stops33h 24m

Vienna Intl

Tue 9/22

10:30 am-12:12 pm

2 stops34h 42m

$885

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Tue 11/17

2:59 pm-5:45 pm

2 stops17h 46m

Vienna Intl

Tue 12/1

11:30 am-10:23 pm

2 stops19h 53m

$890
Quickest round-trip

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Tue 9/22

7:00 am-8:15 am

1 stop16h 15m

Vienna Intl

Thu 10/22

10:30 am-10:49 pm

1 stop21h 19m

$892

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Tue 9/22

7:00 am-8:15 am

1 stop16h 15m

Vienna Intl

Thu 10/22

10:30 am-10:49 pm

2 stops21h 19m

$901

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Mon 8/24

7:00 am-8:15 am

1 stop16h 15m

Vienna Intl

Sat 9/26

10:30 am-12:18 pm

2 stops34h 48m

$927

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Mon 8/10

5:00 am-8:15 am

2 stops18h 15m

Vienna Intl

Mon 8/24

10:30 am-12:12 pm

2 stops34h 42m

$932

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?

Iberia, American Airlines, and Austrian Airlines are the most popular carriers operating from Ontario to Austria

What airlines fly to Austria?

Scandinavian Airlines, Condor and Austrian Airlines are the top three most popular airlines that fly to Austria from Ontario according to our data. Scandinavian Airlines is the first choice among our users, with 41% 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

Frequently asked questions about flying from Ontario to Austria

  • 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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Find better results for your trip to Austria

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