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Cheap flights from St. Louis to Vienna from $281

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 2/1. 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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Austrian Airlines Logo
11:22 am - 9:10 amSTL-VIE
38h 48m2 stops
Austrian Airlines Logo
10:30 am - 11:59 pmVIE-STL
20h 29m1 stop
$444Austrian Airlines
Find Deal
Tue, Jan 6 - Tue, Jan 13
Multiple Airlines Logo
1:15 pm - 12:20 pmSTL-VIE
16h 05m2 stops
Multiple Airlines Logo
7:00 am - 1:55 pmVIE-STL
13h 55m1 stop
$450Multiple Airlines
Find Deal
Fri, Jan 9 - Fri, Jan 23
Lufthansa Logo
3:50 pm - 10:45 amSTL-VIE
11h 55m1 stop
Lufthansa Logo
7:00 am - 1:55 pmVIE-STL
13h 55m1 stop
$480Lufthansa
Find Deal
Fri, Jan 9 - Fri, Jan 23
Lufthansa Logo
3:50 pm - 2:15 pmSTL-VIE
15h 25m1 stop
Lufthansa Logo
8:00 am - 1:55 pmVIE-STL
12h 55m1 stop
$483Lufthansa
Find Deal
Fri, Jan 9 - Fri, Jan 23
Austrian Airlines Logo
11:22 am - 12:20 pmSTL-VIE
17h 58m2 stops
Austrian Airlines Logo
10:30 am - 11:59 pmVIE-STL
20h 29m1 stop
$485Austrian Airlines
Find Deal
Thu, Jan 22 - Sun, Feb 1
Multiple Airlines Logo
1:15 pm - 12:20 pmSTL-VIE
16h 05m2 stops
Multiple Airlines Logo
9:00 am - 7:27 pmVIE-STL
17h 27m2 stops
$498Multiple Airlines
Find Deal
Fri, Jan 9 - Fri, Jan 23
Multiple Airlines Logo
11:22 am - 12:20 pmSTL-VIE
17h 58m2 stops
Multiple Airlines Logo
9:00 am - 10:58 pmVIE-STL
20h 58m2 stops
$500Multiple Airlines
Find Deal
Thu, Jan 22 - Sun, Feb 1
Multiple Airlines Logo
11:22 am - 12:20 pmSTL-VIE
17h 58m2 stops
Multiple Airlines Logo
9:00 am - 10:58 pmVIE-STL
20h 58m2 stops
$504Multiple Airlines
Find Deal
Fri, Jan 9 - Fri, Jan 23
United Airlines Logo
8:05 am - 8:05 amSTL-VIE
17h 00m1 stop
United Airlines Logo
10:30 am - 9:13 pmVIE-STL
17h 43m2 stops
$505United Airlines
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Fri, Jan 9 - Fri, Jan 23
Multiple Airlines Logo
4:05 pm - 8:45 amSTL-VIE
33h 40m1 stop
Multiple Airlines Logo
10:30 am - 11:59 pmVIE-STL
20h 29m1 stop
$511Multiple Airlines
Find Deal
Tue, Jan 6 - Tue, Jan 13

Lufthansa flights from St. Louis to Vienna

Our best Lufthansa deals on St. Louis to Vienna flight tickets
Lufthansa
Jan 9
STL3:50 pmLambert-St Louis
11h 55m
1 stop
VIE10:45 amVienna Intl
Jan 23
VIE7:00 amVienna Intl
13h 55m
1 stop
STL1:55 pmLambert-St Louis
$480
Find similar
Lufthansa
Dec 14
STL3:50 pmLambert-St Louis
20h 40m
1 stop
VIE7:30 pmVienna Intl
Dec 23
VIE8:15 pmVienna Intl
24h 40m
1 stop
STL1:55 pmLambert-St Louis
$1,078
Find similar
Lufthansa
Dec 14
STL3:50 pmLambert-St Louis
19h 55m
1 stop
VIE6:45 pmVienna Intl
Dec 23
VIE8:15 pmVienna Intl
24h 40m
1 stop
STL1:55 pmLambert-St Louis
$1,169
Find similar

United Airlines flights from St. Louis to Vienna

Our best United Airlines deals on St. Louis to Vienna flight tickets
United Airlines
Jan 9
STL8:05 amLambert-St Louis
17h 00m
1 stop
VIE8:05 amVienna Intl
Jan 23
VIE7:00 amVienna Intl
13h 55m
1 stop
STL1:55 pmLambert-St Louis
$505
Find similar
United Airlines
Feb 14
STL6:30 amLambert-St Louis
19h 00m
2 stops
VIE8:30 amVienna Intl
Feb 21
VIE10:30 amVienna Intl
17h 30m
2 stops
STL9:00 pmLambert-St Louis
$518
Find similar
United Airlines
Feb 6
STL11:22 amLambert-St Louis
13h 38m
1 stop
VIE8:00 amVienna Intl
Feb 10
VIE7:00 amVienna Intl
19h 27m
2 stops
STL7:27 pmLambert-St Louis
$720
Find similar

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 November 23, 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

Tue 1/6

11:22 am-9:10 am

2 stops38h 48m

Vienna Intl

Tue 1/13

10:30 am-11:59 pm

1 stop20h 29m

$444

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Fri 1/9

1:15 pm-12:20 pm

2 stops16h 05m

Vienna Intl

Fri 1/23

7:00 am-1:55 pm

1 stop13h 55m

$450

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Fri 1/9

3:50 pm-10:45 am

1 stop11h 55m

Vienna Intl

Fri 1/23

7:00 am-1:55 pm

1 stop13h 55m

$480

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Fri 1/9

3:50 pm-2:15 pm

1 stop15h 25m

Vienna Intl

Fri 1/23

8:00 am-1:55 pm

1 stop12h 55m

$483

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Thu 1/22

11:22 am-12:20 pm

2 stops17h 58m

Vienna Intl

Sun 2/1

10:30 am-11:59 pm

1 stop20h 29m

$485

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Fri 1/9

1:15 pm-12:20 pm

2 stops16h 05m

Vienna Intl

Fri 1/23

9:00 am-7:27 pm

2 stops17h 27m

$498

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Thu 1/22

11:22 am-12:20 pm

2 stops17h 58m

Vienna Intl

Sun 2/1

9:00 am-10:58 pm

2 stops20h 58m

$500

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Fri 1/9

11:22 am-12:20 pm

2 stops17h 58m

Vienna Intl

Fri 1/23

9:00 am-10:58 pm

2 stops20h 58m

$504

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Fri 1/9

8:05 am-8:05 am

1 stop17h 00m

Vienna Intl

Fri 1/23

10:30 am-9:13 pm

2 stops17h 43m

$505

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Tue 1/6

4:05 pm-8:45 am

1 stop33h 40m

Vienna Intl

Tue 1/13

10:30 am-11:59 pm

1 stop20h 29m

$511

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 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 typical price of a round-trip flight between St. Louis and Vienna?

What is the cheapest month to fly to Vienna?

In general, January 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 $613. If you aren’t able to travel to Vienna during the month of January, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $719.

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 34% 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.
Search flight deals

  • 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 11h 55m.

  • 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
LufthansaPriceFrom $615Free CancellationRating
6.8
7,583 reviews
Search Lufthansa flights
United AirlinesPriceFrom $640Free CancellationRating
7.4
9,036 reviews
Search United Airlines flights
Air CanadaPriceFrom $645Free CancellationRating
7.1
10,466 reviews
Search Air Canada flights
Austrian AirlinesPriceFrom $1,019Free CancellationRating
7.6
874 reviews
Search Austrian 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
Semmering
Melk
Krems an der Donau

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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