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Cheap flights from Ontario to Vienna from $555

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 5/14. 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 Vienna

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
11:59 pm - 1:50 pm
ONT
-
VIE
28h 51m2 stops
British Airways Logo
9:15 pm - 4:24 pm
VIE
-
ONT
28h 09m2 stops
$905British Airways
Sun, Feb 8 - Mon, Feb 23
Multiple Airlines Logo
11:02 pm - 3:20 pm
ONT
-
VIE
31h 18m3 stops
Multiple Airlines Logo
7:50 am - 6:44 pm
VIE
-
ONT
19h 54m2 stops
$937Multiple Airlines
Sun, Feb 8 - Mon, Feb 23
British Airways Logo
10:56 am - 1:30 pm
ONT
-
VIE
18h 34m2 stops
British Airways Logo
11:35 am - 6:42 pm
VIE
-
ONT
40h 07m2 stops
$943British Airways
Sat, Mar 21 - Mon, Mar 30
British Airways Logo
10:59 am - 1:20 pm
ONT
-
VIE
17h 21m2 stops
British Airways Logo
7:25 am - 11:59 pm
VIE
-
ONT
24h 34m2 stops
$955British Airways
Wed, Mar 4 - Sat, Mar 14
Multiple Airlines Logo
11:53 am - 9:55 pm
ONT
-
VIE
25h 02m2 stops
Multiple Airlines Logo
9:55 am - 10:59 am
VIE
-
ONT
34h 04m2 stops
$962Multiple Airlines
Sat, Jan 31 - Sat, Feb 7
British Airways Logo
5:06 pm - 10:30 pm
ONT
-
VIE
20h 24m2 stops
British Airways Logo
7:25 am - 10:49 pm
VIE
-
ONT
24h 24m2 stops
$1,005British Airways
Sat, Feb 14 - Sat, Feb 21
Multiple Airlines Logo
6:00 am - 8:45 am
ONT
-
VIE
17h 45m2 stops
Multiple Airlines Logo
10:40 am - 10:25 pm
VIE
-
ONT
19h 45m2 stops
$1,013Multiple Airlines
Fri, Mar 6 - Sat, Mar 14
British Airways Logo
10:56 am - 1:50 pm
ONT
-
VIE
18h 54m2 stops
British Airways Logo
11:10 am - 11:59 pm
VIE
-
ONT
21h 49m2 stops
$1,050British Airways
Mon, Mar 23 - Fri, Apr 3
Multiple Airlines Logo
12:42 am - 3:20 pm
ONT
-
VIE
29h 38m3 stops
Multiple Airlines Logo
7:50 am - 6:44 pm
VIE
-
ONT
19h 54m2 stops
$1,054Multiple Airlines
Sun, Feb 1 - Mon, Feb 16
United Airlines Logo
11:59 pm - 8:05 am
ONT
-
VIE
24h 06m1 stop
United Airlines Logo
10:35 am - 12:18 pm
VIE
-
ONT
33h 43m2 stops
$1,087United Airlines
Thu, Mar 19 - Tue, Mar 24

British Airways flights from Ontario to Vienna

Our best British Airways deals on Ontario to Vienna flight tickets
British Airways
Feb 8
ONT11:59 pmOntario
28h 51m
2 stops
VIE1:50 pmVienna Intl
Feb 23
VIE9:15 pmVienna Intl
28h 09m
2 stops
ONT4:24 pmOntario
$905
Find similar
British Airways
Mar 21
ONT10:56 amOntario
18h 34m
2 stops
VIE1:30 pmVienna Intl
Mar 30
VIE11:35 amVienna Intl
40h 07m
2 stops
ONT6:42 pmOntario
$943
Find similar
British Airways
Mar 4
ONT10:59 amOntario
17h 21m
2 stops
VIE1:20 pmVienna Intl
Mar 14
VIE7:25 amVienna Intl
24h 34m
2 stops
ONT11:59 pmOntario
$955
Find similar

Iberia flights from Ontario to Vienna

Our best Iberia deals on Ontario to Vienna flight tickets
Iberia
Feb 8
ONT6:00 amOntario
20h 40m
2 stops
VIE11:40 amVienna Intl
Feb 20
VIE7:05 amVienna Intl
24h 44m
2 stops
ONT10:49 pmOntario
$1,163
Find similar
Iberia
Jan 15
ONT10:58 amOntario
19h 02m
2 stops
VIE3:00 pmVienna Intl
Jan 30
VIE7:05 amVienna Intl
24h 43m
2 stops
ONT10:48 pmOntario
$1,463
Find similar
Iberia
Feb 13
ONT10:59 amOntario
47h 06m
2 stops
VIE7:05 pmVienna Intl
Feb 22
VIE12:20 pmVienna Intl
43h 29m
2 stops
ONT10:49 pmOntario
$2,084
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 December 18, 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

Sun 2/8

11:59 pm-1:50 pm

2 stops28h 51m

Vienna Intl

Mon 2/23

9:15 pm-4:24 pm

2 stops28h 09m

$905

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Sun 2/8

11:02 pm-3:20 pm

3 stops31h 18m

Vienna Intl

Mon 2/23

7:50 am-6:44 pm

2 stops19h 54m

$937

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Sat 3/21

10:56 am-1:30 pm

2 stops18h 34m

Vienna Intl

Mon 3/30

11:35 am-6:42 pm

2 stops40h 07m

$943

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Wed 3/4

10:59 am-1:20 pm

2 stops17h 21m

Vienna Intl

Sat 3/14

7:25 am-11:59 pm

2 stops24h 34m

$955

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Sat 1/31

11:53 am-9:55 pm

2 stops25h 02m

Vienna Intl

Sat 2/7

9:55 am-10:59 am

2 stops34h 04m

$962

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Sat 2/14

5:06 pm-10:30 pm

2 stops20h 24m

Vienna Intl

Sat 2/21

7:25 am-10:49 pm

2 stops24h 24m

$1,005

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Fri 3/6

6:00 am-8:45 am

2 stops17h 45m

Vienna Intl

Sat 3/14

10:40 am-10:25 pm

2 stops19h 45m

$1,013

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Mon 3/23

10:56 am-1:50 pm

2 stops18h 54m

Vienna Intl

Fri 4/3

11:10 am-11:59 pm

2 stops21h 49m

$1,050

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Sun 2/1

12:42 am-3:20 pm

3 stops29h 38m

Vienna Intl

Mon 2/16

7:50 am-6:44 pm

2 stops19h 54m

$1,054

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Thu 3/19

11:59 pm-8:05 am

1 stop24h 06m

Vienna Intl

Tue 3/24

10:35 am-12:18 pm

2 stops33h 43m

$1,087

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 $1,062. 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 $1,205.

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

Fastest flight time

17h 12m

Direct flights

None
The fastest flight from Ontario to Vienna takes 17h 12m
There are no direct flights from Ontario to Vienna. There are no popular flight routes from Ontario to Vienna.
Search flight deals

  • 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 17h 12m.

  • 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
Semmering
Steyr
Melk
Stegersbach
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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