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Cheap flights from Ontario to Vienna from $505

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 8/23. 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 Vienna

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:24 pm - 6:15 pm
ONT
-
VIE
33h 51m
2 stops
Multiple Airlines Logo
8:05 am - 11:24 pm
VIE
-
ONT
24h 19m
2 stops
$1,007Multiple Airlines
Sat, Aug 8 - Sat, Aug 22
Multiple Airlines Logo
11:50 pm - 12:50 pm
ONT
-
VIE
28h 00m
2 stops
Multiple Airlines Logo
8:05 am - 11:11 pm
VIE
-
ONT
24h 06m
2 stops
$1,016Multiple Airlines
Mon, Aug 3 - Mon, Aug 17
Multiple Airlines Logo
11:24 pm - 9:50 pm
ONT
-
VIE
37h 26m
2 stops
Multiple Airlines Logo
8:05 am - 11:11 pm
VIE
-
ONT
24h 06m
2 stops
$1,059Multiple Airlines
Sat, Aug 1 - Sat, Aug 15
Multiple Airlines Logo
11:50 pm - 9:50 pm
ONT
-
VIE
37h 00m
2 stops
Multiple Airlines Logo
8:05 am - 11:11 pm
VIE
-
ONT
24h 06m
2 stops
$1,065Multiple Airlines
Sun, Aug 2 - Sun, Aug 16
Multiple Airlines Logo
11:50 pm - 6:15 pm
ONT
-
VIE
33h 25m
2 stops
Multiple Airlines Logo
10:05 am - 11:24 pm
VIE
-
ONT
22h 19m
2 stops
$1,076Multiple Airlines
Wed, Aug 5 - Wed, Aug 19
Turkish Airlines Logo
11:50 pm - 12:50 pm
ONT
-
VIE
28h 00m
2 stops
Turkish Airlines Logo
4:35 pm - 8:13 pm
VIE
-
ONT
36h 38m
2 stops
$1,080Turkish Airlines
Tue, Aug 25 - Tue, Sep 15
Multiple Airlines Logo
11:58 am - 9:50 pm
ONT
-
VIE
24h 52m
2 stops
Multiple Airlines Logo
8:05 am - 11:24 pm
VIE
-
ONT
24h 19m
2 stops
$1,087Multiple Airlines
Mon, Sep 7 - Mon, Sep 14
Multiple Airlines Logo
11:50 pm - 3:35 pm
ONT
-
VIE
30h 45m
2 stops
Multiple Airlines Logo
10:05 am - 11:24 pm
VIE
-
ONT
22h 19m
2 stops
$1,136Multiple Airlines
Thu, Aug 6 - Thu, Aug 20
Multiple Airlines Logo
11:50 pm - 9:50 pm
ONT
-
VIE
37h 00m
2 stops
Multiple Airlines Logo
10:05 am - 11:24 pm
VIE
-
ONT
22h 19m
2 stops
$1,146Multiple Airlines
Sun, Jul 26 - Wed, Aug 19
Multiple Airlines Logo
5:30 am - 3:50 pm
ONT
-
VIE
25h 20m
2 stops
Multiple Airlines Logo
7:40 am - 10:45 pm
VIE
-
ONT
24h 05m
2 stops
$1,171Multiple Airlines
Tue, Jun 16 - Tue, Jun 23

Turkish Airlines flights from Ontario to Vienna

Our best Turkish Airlines deals on Ontario to Vienna flight tickets
Turkish Airlines
Aug 25
ONT11:50 pmOntario
28h 00m
2 stops
VIE12:50 pmVienna Intl
Sep 15
VIE4:35 pmVienna Intl
36h 38m
2 stops
ONT8:13 pmOntario
$1,080
Turkish Airlines
Sep 21
ONT9:10 pmOntario
26h 55m
2 stops
VIE9:05 amVienna Intl
Oct 5
VIE4:35 pmVienna Intl
60h 38m
2 stops
ONT8:13 pmOntario
$1,185
Turkish Airlines
Aug 31
ONT11:50 pmOntario
24h 15m
2 stops
VIE9:05 amVienna Intl
Sep 14
VIE4:35 pmVienna Intl
60h 38m
2 stops
ONT8:13 pmOntario
$1,265

United Airlines flights from Ontario to Vienna

Our best United Airlines deals on Ontario to Vienna flight tickets
United Airlines
Oct 31
ONT7:00 amOntario
17h 05m
1 stop
VIE8:05 amVienna Intl
Nov 14
VIE10:55 amVienna Intl
20h 31m
1 stop
ONT10:26 pmOntario
$1,223
United Airlines
Oct 28
ONT7:00 amOntario
17h 05m
1 stop
VIE8:05 amVienna Intl
Nov 11
VIE10:55 amVienna Intl
20h 31m
1 stop
ONT10:26 pmOntario
$1,268
United Airlines
Jul 20
ONT6:30 amOntario
16h 45m
1 stop
VIE8:15 amVienna Intl
Aug 21
VIE10:30 amVienna Intl
16h 49m
1 stop
ONT6:19 pmOntario
$1,323

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 May 5, 2026.
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

Cheapest round-trip

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Sat 8/8

11:24 pm-6:15 pm

2 stops33h 51m

Vienna Intl

Sat 8/22

8:05 am-11:24 pm

2 stops24h 19m

$1,007

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Mon 8/3

11:50 pm-12:50 pm

2 stops28h 00m

Vienna Intl

Mon 8/17

8:05 am-11:11 pm

2 stops24h 06m

$1,016

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Sat 8/1

11:24 pm-9:50 pm

2 stops37h 26m

Vienna Intl

Sat 8/15

8:05 am-11:11 pm

2 stops24h 06m

$1,059

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Sun 8/2

11:50 pm-9:50 pm

2 stops37h 00m

Vienna Intl

Sun 8/16

8:05 am-11:11 pm

2 stops24h 06m

$1,065

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Wed 8/5

11:50 pm-6:15 pm

2 stops33h 25m

Vienna Intl

Wed 8/19

10:05 am-11:24 pm

2 stops22h 19m

$1,076

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Tue 8/25

11:50 pm-12:50 pm

2 stops28h 00m

Vienna Intl

Tue 9/15

4:35 pm-8:13 pm

2 stops36h 38m

$1,080
Quickest round-trip

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Mon 9/7

11:58 am-9:50 pm

2 stops24h 52m

Vienna Intl

Mon 9/14

8:05 am-11:24 pm

2 stops24h 19m

$1,087

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Thu 8/6

11:50 pm-3:35 pm

2 stops30h 45m

Vienna Intl

Thu 8/20

10:05 am-11:24 pm

2 stops22h 19m

$1,136

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Sun 7/26

11:50 pm-9:50 pm

2 stops37h 00m

Vienna Intl

Wed 8/19

10:05 am-11:24 pm

2 stops22h 19m

$1,146

OntarioVienna

ONT - VIE

ONTVIE

Ontario

Tue 6/16

5:30 am-3:50 pm

2 stops25h 20m

Vienna Intl

Tue 6/23

7:40 am-10:45 pm

2 stops24h 05m

$1,171

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 Tuesday. momondo users have found tickets for Tuesday departures for as low as $942. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Friday 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 $1,140.

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

16h 15m

Direct flights

None
The fastest flight from Ontario to Vienna takes 16h 15m
There are no direct flights from Ontario to Vienna. There are no popular flight routes from Ontario to Vienna.
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Frequently asked questions about flying from Ontario to Vienna

  • 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 15m.

  • 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
Semmering
Steyr
Stegersbach
Krems an der Donau
Rust
Melk

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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