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Cheap flights from Ontario to Vienna from $618

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 11/4. 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

United Airlines Logo
7:00 am - 8:05 amONT-VIE
16h 05m1 stop
United Airlines Logo
10:55 am - 10:31 pmVIE-ONT
20h 36m1 stop
$903United Airlines
Find Deal
Wed, Nov 5 - Wed, Nov 19
United Airlines Logo
5:05 am - 8:30 amONT-VIE
18h 25m2 stops
United Airlines Logo
10:30 am - 8:58 pmVIE-ONT
19h 28m2 stops
$908United Airlines
Find Deal
Tue, Jan 13 - Tue, Jan 27
United Airlines Logo
5:05 am - 8:30 amONT-VIE
18h 25m2 stops
United Airlines Logo
10:35 am - 10:57 pmVIE-ONT
21h 22m2 stops
$910United Airlines
Find Deal
Tue, Feb 10 - Tue, Feb 24
Logo
11:59 am - 3:20 pmONT-VIE
19h 21m2 stops
Logo
11:10 am - 8:53 pmVIE-ONT
18h 43m2 stops
$950
Find Deal
Mon, Oct 27 - Mon, Nov 3
Air Canada Logo
5:05 am - 8:45 amONT-VIE
18h 40m2 stops
Air Canada Logo
10:35 am - 12:47 pmVIE-ONT
35h 12m2 stops
$959Air Canada
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Thu, Dec 25 - Fri, Jan 9
Logo
6:00 am - 8:35 amONT-VIE
17h 35m2 stops
Logo
10:35 am - 8:58 pmVIE-ONT
19h 23m2 stops
$960
Find Deal
Fri, Jan 16 - Fri, Jan 30
Air Canada Logo
5:05 am - 8:45 amONT-VIE
18h 40m2 stops
Air Canada Logo
10:35 am - 8:58 pmVIE-ONT
19h 23m2 stops
$1,009Air Canada
Find Deal
Thu, Dec 25 - Sat, Jan 10
American Airlines Logo
4:45 pm - 6:05 pmONT-VIE
16h 20m2 stops
American Airlines Logo
7:25 am - 5:53 pmVIE-ONT
19h 28m2 stops
$1,127American Airlines
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Sat, Dec 27 - Fri, Jan 9
British Airways Logo
12:48 pm - 4:10 pmONT-VIE
18h 22m2 stops
British Airways Logo
10:05 am - 7:47 pmVIE-ONT
18h 42m2 stops
$1,281British Airways
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Wed, Dec 24 - Wed, Jan 7
British Airways Logo
12:48 pm - 4:10 pmONT-VIE
18h 22m2 stops
British Airways Logo
7:25 am - 10:02 pmVIE-ONT
23h 37m2 stops
$1,760British Airways
Find Deal
Wed, Dec 24 - Wed, Jan 7

British Airways flights from Ontario to Vienna

Our best British Airways deals on Ontario to Vienna flight tickets
British Airways
Dec 24
ONT12:48 pmOntario
18h 22m
2 stops
VIE4:10 pmVienna Intl
Jan 7
VIE10:05 amVienna Intl
18h 42m
2 stops
ONT7:47 pmOntario
$1,281
Find similar
British Airways
Dec 24
ONT12:48 pmOntario
18h 22m
2 stops
VIE4:10 pmVienna Intl
Jan 7
VIE7:25 amVienna Intl
23h 37m
2 stops
ONT10:02 pmOntario
$1,760
Find similar
British Airways
Nov 26
ONT10:47 amOntario
17h 33m
2 stops
VIE1:20 pmVienna Intl
Dec 3
VIE10:05 amVienna Intl
18h 58m
2 stops
ONT8:03 pmOntario
$1,896
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Iberia flights from Ontario to Vienna

Our best Iberia deals on Ontario to Vienna flight tickets
Iberia
Dec 14
ONT6:00 amOntario
24h 00m
2 stops
VIE3:00 pmVienna Intl
Jan 12
VIE7:45 pmVienna Intl
27h 03m
2 stops
ONT1:48 pmOntario
$1,301
Find similar
Iberia
Oct 13
ONT2:51 pmOntario
19h 09m
2 stops
VIE7:00 pmVienna Intl
Oct 20
VIE7:00 amVienna Intl
21h 02m
2 stops
ONT7:02 pmOntario
$1,429
Find similar
Iberia
Oct 6
ONT2:51 pmOntario
19h 09m
2 stops
VIE7:00 pmVienna Intl
Oct 20
VIE7:00 amVienna Intl
21h 02m
2 stops
ONT7:02 pmOntario
$1,731
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 September 15, 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 11/5

7:00 am-8:05 am

1 stop16h 05m

Vienna Intl

Wed 11/19

10:55 am-10:31 pm

1 stop20h 36m

$903

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Tue 1/13

5:05 am-8:30 am

2 stops18h 25m

Vienna Intl

Tue 1/27

10:30 am-8:58 pm

2 stops19h 28m

$908

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Tue 2/10

5:05 am-8:30 am

2 stops18h 25m

Vienna Intl

Tue 2/24

10:35 am-10:57 pm

2 stops21h 22m

$910

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Mon 10/27

11:59 am-3:20 pm

2 stops19h 21m

Vienna Intl

Mon 11/3

11:10 am-8:53 pm

2 stops18h 43m

$950

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Thu 12/25

5:05 am-8:45 am

2 stops18h 40m

Vienna Intl

Fri 1/9

10:35 am-12:47 pm

2 stops35h 12m

$959

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Fri 1/16

6:00 am-8:35 am

2 stops17h 35m

Vienna Intl

Fri 1/30

10:35 am-8:58 pm

2 stops19h 23m

$960

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Thu 12/25

5:05 am-8:45 am

2 stops18h 40m

Vienna Intl

Sat 1/10

10:35 am-8:58 pm

2 stops19h 23m

$1,009

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Sat 12/27

4:45 pm-6:05 pm

2 stops16h 20m

Vienna Intl

Fri 1/9

7:25 am-5:53 pm

2 stops19h 28m

$1,127

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Wed 12/24

12:48 pm-4:10 pm

2 stops18h 22m

Vienna Intl

Wed 1/7

10:05 am-7:47 pm

2 stops18h 42m

$1,281

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Wed 12/24

12:48 pm-4:10 pm

2 stops18h 22m

Vienna Intl

Wed 1/7

7:25 am-10:02 pm

2 stops23h 37m

$1,760

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 $1,055. 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 $1,187.

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 16h 05m.

  • 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
Wiener Neustadt
Schwechat
Steyr
Melk
Krems an der Donau
Semmering

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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