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Cheap flights from St. Louis to Vienna from $472

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Vienna departing on 11/19. 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 St. Louis to Vienna (STL-VIE)

Cheap round-trip flights

Air Canada Logo
4:05 pm - 10:40 pmSTL-VIE
23h 35m2 stops
Air Canada Logo
10:40 am - 5:39 pmVIE-STL
37h 59m2 stops
$596Air Canada
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Wed, Nov 19 - Thu, Nov 27
Logo
4:05 pm - 10:40 pmSTL-VIE
47h 35m2 stops
Logo
10:55 am - 5:03 pmVIE-STL
13h 08m1 stop
$615
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Mon, Dec 1 - Fri, Dec 12
Logo
3:50 pm - 7:30 pmSTL-VIE
20h 40m1 stop
Logo
10:35 am - 3:46 pmVIE-STL
36h 11m2 stops
$619
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Wed, Nov 19 - Thu, Nov 27
United Airlines Logo
6:43 pm - 8:30 amSTL-VIE
30h 47m2 stops
United Airlines Logo
10:35 am - 10:46 amVIE-STL
31h 11m2 stops
$629United Airlines
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Mon, Dec 1 - Fri, Dec 12
Air Canada Logo
1:30 pm - 8:35 amSTL-VIE
12h 05m1 stop
Air Canada Logo
11:00 am - 10:49 amVIE-STL
30h 49m2 stops
$665Air Canada
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Wed, Oct 15 - Wed, Oct 22
United Airlines Logo
11:05 am - 8:05 amSTL-VIE
14h 00m1 stop
United Airlines Logo
7:00 am - 1:55 pmVIE-STL
13h 55m1 stop
$716United Airlines
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Fri, Nov 28 - Sun, Dec 7
Iberia Logo
10:36 am - 3:00 pmSTL-VIE
21h 24m2 stops
Iberia Logo
7:00 am - 11:54 pmVIE-STL
23h 54m2 stops
$774Iberia
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Thu, Oct 16 - Wed, Oct 22
Iberia Logo
10:36 am - 3:00 pmSTL-VIE
21h 24m2 stops
Iberia Logo
9:40 am - 11:54 pmVIE-STL
45h 14m2 stops
$781Iberia
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Thu, Oct 16 - Tue, Oct 21
Lufthansa Logo
3:30 pm - 3:05 pmSTL-VIE
16h 35m1 stop
Lufthansa Logo
7:25 pm - 1:30 pmVIE-STL
25h 05m1 stop
$792Lufthansa
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Fri, Oct 17 - Tue, Oct 21
Scandinavian Airlines Logo
1:30 pm - 6:20 pmSTL-VIE
21h 50m3 stops
Scandinavian Airlines Logo
10:15 am - 11:39 pmVIE-STL
20h 24m2 stops
$832Scandinavian Airlines
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Mon, Dec 1 - Fri, Dec 12

United Airlines flights from St. Louis to Vienna

Our best United Airlines deals on St. Louis to Vienna flight tickets
United Airlines
Dec 1
STL6:43 pmLambert-St Louis
30h 47m
2 stops
VIE8:30 amVienna Intl
Dec 12
VIE10:35 amVienna Intl
31h 11m
2 stops
STL10:46 amLambert-St Louis
$629
Find similar
United Airlines
Nov 28
STL11:05 amLambert-St Louis
14h 00m
1 stop
VIE8:05 amVienna Intl
Dec 7
VIE7:00 amVienna Intl
13h 55m
1 stop
STL1:55 pmLambert-St Louis
$716
Find similar
United Airlines
Nov 28
STL11:05 amLambert-St Louis
14h 00m
1 stop
VIE8:05 amVienna Intl
Dec 7
VIE10:35 amVienna Intl
20h 07m
2 stops
STL11:42 pmLambert-St Louis
$720
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Air Canada flights from St. Louis to Vienna

Our best Air Canada deals on St. Louis to Vienna flight tickets
Air Canada
Nov 19
STL4:05 pmLambert-St Louis
23h 35m
2 stops
VIE10:40 pmVienna Intl
Nov 27
VIE10:40 amVienna Intl
37h 59m
2 stops
STL5:39 pmLambert-St Louis
$596
Find similar
Air Canada
Oct 15
STL1:30 pmLambert-St Louis
12h 05m
1 stop
VIE8:35 amVienna Intl
Oct 22
VIE11:00 amVienna Intl
30h 49m
2 stops
STL10:49 amLambert-St Louis
$665
Find similar
Air Canada
Oct 12
STL9:15 amLambert-St Louis
16h 05m
1 stop
VIE8:20 amVienna Intl
Oct 21
VIE11:00 amVienna Intl
30h 49m
2 stops
STL10:49 amLambert-St Louis
$672
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momondo Fare Finder

 
Customize your flight search to find flights from St. Louis 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 August 21, 2025.
Use the filters below to find and compare flights from St. Louis to Vienna that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Wed 11/19

4:05 pm-10:40 pm

2 stops23h 35m

Vienna Intl

Thu 11/27

10:40 am-5:39 pm

2 stops37h 59m

$596

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Mon 12/1

4:05 pm-10:40 pm

2 stops47h 35m

Vienna Intl

Fri 12/12

10:55 am-5:03 pm

1 stop13h 08m

$615

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Wed 11/19

3:50 pm-7:30 pm

1 stop20h 40m

Vienna Intl

Thu 11/27

10:35 am-3:46 pm

2 stops36h 11m

$619

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Mon 12/1

6:43 pm-8:30 am

2 stops30h 47m

Vienna Intl

Fri 12/12

10:35 am-10:46 am

2 stops31h 11m

$629

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Wed 10/15

1:30 pm-8:35 am

1 stop12h 05m

Vienna Intl

Wed 10/22

11:00 am-10:49 am

2 stops30h 49m

$665

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Fri 11/28

11:05 am-8:05 am

1 stop14h 00m

Vienna Intl

Sun 12/7

7:00 am-1:55 pm

1 stop13h 55m

$716

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Thu 10/16

10:36 am-3:00 pm

2 stops21h 24m

Vienna Intl

Wed 10/22

7:00 am-11:54 pm

2 stops23h 54m

$774

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Thu 10/16

10:36 am-3:00 pm

2 stops21h 24m

Vienna Intl

Tue 10/21

9:40 am-11:54 pm

2 stops45h 14m

$781

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Fri 10/17

3:30 pm-3:05 pm

1 stop16h 35m

Vienna Intl

Tue 10/21

7:25 pm-1:30 pm

1 stop25h 05m

$792

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Mon 12/1

1:30 pm-6:20 pm

3 stops21h 50m

Vienna Intl

Fri 12/12

10:15 am-11:39 pm

2 stops20h 24m

$832

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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See travel insights to Vienna from

How to get the cheapest flight ticket from St. Louis 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 month to fly to Vienna?

In general, February is the cheapest month to fly from St. Louis to Vienna. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $638. If you aren’t able to travel to Vienna during the month of February, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $781.

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

On average, the least expensive day to fly to Vienna from St. Louis is on a Monday. momondo users have found tickets for Monday departures for as low as $813. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Saturday is the most expensive day to depart from St. Louis because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,290.

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 $804. Try not to purchase tickets in the morning because they tend to be around $1,245. Of course, these prices can vary depending on the time of year and what airport you fly to.

Can stopping save me money on St. Louis to Vienna flights?

You could potentially save up to 31% on your flight if you consider stops on a St. Louis to Vienna flight.

When to book flights from St. Louis to Vienna

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

Cheap St. Louis to Vienna (STL to VIE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Vienna

Direct flights

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

    Lambert-St Louis and Vienna Intl are 4938.1 mi apart from one another. A reasonable flight in good conditions will take 12h 05m.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Vienna Intl Airport?

    Prices for flights from Lambert-St Louis Airport to Vienna Intl Airport are updated daily.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Vienna Intl Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to Vienna Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis 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.

  • What is the most popular airline from St. Louis to Vienna?

Best airlines flying from St. Louis to Vienna

Compare and see reviews for airlines that fly from St. Louis to Vienna with momondo
Airline
Rating
Free Cancellation
Price
Austrian AirlinesPriceFrom $611Free CancellationRating
7.6
832 reviews
Search Austrian Airlines flights
LufthansaPriceFrom $638Free CancellationRating
6.8
7,344 reviews
Search Lufthansa flights
Air CanadaPriceFrom $645Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
United AirlinesPriceFrom $651Free CancellationRating
7.4
8,930 reviews
Search United Airlines flights

Traveling to a place near Vienna?

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

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis 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 St. Louis.

Can I find flights from St. Louis to Vienna with flexible booking policies on momondo?

Yes. All flights to Vienna from St. Louis on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from St. Louis to Vienna?

momondo helps you find the best flight between St. Louis 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 St. Louis to Vienna right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Vienna from St. Louis. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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