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Cheap flights from Ontario to Vienna from $605

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 Vienna departing on 2/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Ontario to Vienna

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:00 am - 8:35 amONT-VIE
17h 35m2 stops
Multiple Airlines Logo
10:40 am - 10:15 pmVIE-ONT
19h 35m2 stops
$903Multiple Airlines
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Wed, Mar 4 - Wed, Mar 18
Multiple Airlines Logo
6:00 am - 8:45 amONT-VIE
17h 45m2 stops
Multiple Airlines Logo
10:35 am - 8:50 pmVIE-ONT
19h 15m2 stops
$905Multiple Airlines
Find Deal
Mon, Feb 9 - Tue, Feb 17
Delta Logo
1:00 pm - 5:00 pmONT-VIE
19h 00m2 stops
Delta Logo
9:20 am - 9:14 pmVIE-ONT
44h 54m2 stops
$916Delta
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Wed, Apr 1 - Sun, Apr 5
British Airways Logo
1:33 pm - 3:45 pmONT-VIE
17h 12m2 stops
British Airways Logo
11:10 am - 9:56 pmVIE-ONT
19h 46m2 stops
$919British Airways
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Wed, Apr 8 - Wed, Apr 15
United Airlines Logo
11:50 pm - 8:15 amONT-VIE
23h 25m1 stop
United Airlines Logo
10:30 am - 10:26 pmVIE-ONT
20h 56m1 stop
$953United Airlines
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Sat, Mar 28 - Mon, Apr 6
United Airlines Logo
4:15 pm - 8:20 amONT-VIE
55h 05m2 stops
United Airlines Logo
6:50 am - 10:26 pmVIE-ONT
48h 36m2 stops
$1,048United Airlines
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Wed, Apr 1 - Sun, Apr 5
Delta Logo
1:00 pm - 1:35 pmONT-VIE
15h 35m2 stops
Delta Logo
2:20 pm - 11:52 pmVIE-ONT
42h 32m2 stops
$1,122Delta
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Wed, Apr 1 - Sun, Apr 5
British Airways Logo
3:19 pm - 5:45 pmONT-VIE
17h 26m2 stops
British Airways Logo
11:30 am - 10:28 pmVIE-ONT
19h 58m2 stops
$1,170British Airways
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Tue, Dec 2 - Tue, Dec 9
Air Canada Logo
5:05 am - 8:35 amONT-VIE
18h 30m2 stops
Air Canada Logo
10:35 am - 8:42 pmVIE-ONT
19h 07m2 stops
$1,409Air Canada
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Mon, Nov 24 - Thu, Dec 11
Air Canada Logo
5:05 am - 8:45 amONT-VIE
18h 40m2 stops
Air Canada Logo
10:35 am - 8:42 pmVIE-ONT
19h 07m2 stops
$1,815Air Canada
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Mon, Dec 1 - Sun, Dec 7

United Airlines flights from Ontario to Vienna

Our best United Airlines deals on Ontario to Vienna flight tickets
United Airlines
Mar 28
ONT11:50 pmOntario
23h 25m
1 stop
VIE8:15 amVienna Intl
Apr 6
VIE10:30 amVienna Intl
20h 56m
1 stop
ONT10:26 pmOntario
$953
Find similar
United Airlines
Nov 6
ONT5:05 amOntario
18h 25m
2 stops
VIE8:30 amVienna Intl
Nov 8
VIE6:50 amVienna Intl
48h 41m
2 stops
ONT10:31 pmOntario
$1,031
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United Airlines
Apr 1
ONT4:15 pmOntario
55h 05m
2 stops
VIE8:20 amVienna Intl
Apr 5
VIE6:50 amVienna Intl
48h 36m
2 stops
ONT10:26 pmOntario
$1,048
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British Airways flights from Ontario to Vienna

Our best British Airways deals on Ontario to Vienna flight tickets
British Airways
Apr 8
ONT1:33 pmOntario
17h 12m
2 stops
VIE3:45 pmVienna Intl
Apr 15
VIE11:10 amVienna Intl
19h 46m
2 stops
ONT9:56 pmOntario
$919
Find similar
British Airways
Dec 2
ONT3:19 pmOntario
17h 26m
2 stops
VIE5:45 pmVienna Intl
Dec 9
VIE11:30 amVienna Intl
19h 58m
2 stops
ONT10:28 pmOntario
$1,170
Find similar
British Airways
Dec 2
ONT3:19 pmOntario
17h 26m
2 stops
VIE5:45 pmVienna Intl
Dec 10
VIE10:05 amVienna Intl
18h 58m
2 stops
ONT8:03 pmOntario
$1,369
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to Vienna 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 November 5, 2025.
Use the filters below to find and compare flights from Ontario to Vienna that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Wed 3/4

6:00 am-8:35 am

2 stops17h 35m

Vienna Intl

Wed 3/18

10:40 am-10:15 pm

2 stops19h 35m

$903

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Mon 2/9

6:00 am-8:45 am

2 stops17h 45m

Vienna Intl

Tue 2/17

10:35 am-8:50 pm

2 stops19h 15m

$905

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Wed 4/1

1:00 pm-5:00 pm

2 stops19h 00m

Vienna Intl

Sun 4/5

9:20 am-9:14 pm

2 stops44h 54m

$916

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Wed 4/8

1:33 pm-3:45 pm

2 stops17h 12m

Vienna Intl

Wed 4/15

11:10 am-9:56 pm

2 stops19h 46m

$919

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Sat 3/28

11:50 pm-8:15 am

1 stop23h 25m

Vienna Intl

Mon 4/6

10:30 am-10:26 pm

1 stop20h 56m

$953

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Wed 4/1

4:15 pm-8:20 am

2 stops55h 05m

Vienna Intl

Sun 4/5

6:50 am-10:26 pm

2 stops48h 36m

$1,048

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Wed 4/1

1:00 pm-1:35 pm

2 stops15h 35m

Vienna Intl

Sun 4/5

2:20 pm-11:52 pm

2 stops42h 32m

$1,122

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Tue 12/2

3:19 pm-5:45 pm

2 stops17h 26m

Vienna Intl

Tue 12/9

11:30 am-10:28 pm

2 stops19h 58m

$1,170

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Mon 11/24

5:05 am-8:35 am

2 stops18h 30m

Vienna Intl

Thu 12/11

10:35 am-8:42 pm

2 stops19h 07m

$1,409

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Mon 12/1

5:05 am-8:45 am

2 stops18h 40m

Vienna Intl

Sun 12/7

10:35 am-8:42 pm

2 stops19h 07m

$1,815

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 Vienna from

How to get the cheapest flight ticket from Ontario to Vienna

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 day to depart on your flight to Vienna?

On average, the least expensive day to fly to Vienna from Ontario is on a Thursday. momondo users have found tickets for Thursday departures for as low as $1,052. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Ontario because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,198.

What is the cheapest time of day to depart on your flight to Vienna?

The cheapest time of day to fly to Vienna is in the evening when flights can be purchased for as low as $852. Try not to purchase tickets in the morning because they tend to be around $1,196. Of course, these prices can vary depending on the time of year and what airport you fly to.

When to book flights from Ontario to Vienna

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Vienna according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ontario to Vienna (ONT to VIE) flight deals and tips

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

Direct flights

None
There are no direct flights from Ontario to Vienna. There are no popular flight routes from Ontario to Vienna.
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  • How far is Ontario to Vienna Intl by plane?

    A flight from Ontario to Vienna Intl will travel around 6079.7 mi. By plane, this route typically takes 15h 35m.

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

    Prices for flights from Ontario Airport to Vienna Intl Airport refresh daily.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Vienna Intl Airport.

  • What documentation or ID do you need to fly to Vienna Intl Airport?

    The required travel and health documents for your Vienna Intl Airport 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 Vienna Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Vienna?

Book flights to Vienna if you plan to visit one of these locations
Schwechat
Wiener Neustadt
Steyr
Semmering
Melk
Krems an der Donau

Why use momondo?

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

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 Vienna from Ontario.

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

Flights from Ontario to Vienna with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo helps you find the best flight between Ontario and Vienna 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 Vienna right now. Can momondo alert me if prices change?

Price alerts on flights to Vienna from Ontario are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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