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Cheap flights from St. Louis to Vienna from $325

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 8/31. 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 St. Louis to Vienna

Cheap round-trip flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
1:30 pm - 9:35 am
STL
-
VIE
37h 05m
2 stops
Scandinavian Airlines Logo
10:15 am - 8:50 pm
VIE
-
STL
17h 35m
2 stops
$662Scandinavian Airlines
Mon, Aug 31 - Sun, Sep 6
Multiple Airlines Logo
5:21 pm - 6:20 pm
STL
-
VIE
17h 59m
2 stops
Multiple Airlines Logo
11:35 am - 10:19 pm
VIE
-
STL
17h 44m
2 stops
$688Multiple Airlines
Sun, Apr 26 - Tue, May 12
Air Canada Logo
4:05 pm - 10:40 pm
STL
-
VIE
23h 35m
2 stops
Air Canada Logo
11:15 am - 8:04 pm
VIE
-
STL
15h 49m
2 stops
$698Air Canada
Tue, Apr 28 - Tue, May 5
Multiple Airlines Logo
3:30 pm - 12:35 pm
STL
-
VIE
14h 05m
1 stop
Multiple Airlines Logo
10:30 am - 12:06 pm
VIE
-
STL
32h 36m
1 stop
$701Multiple Airlines
Wed, Apr 29 - Wed, May 6
Air Canada Logo
4:05 pm - 10:40 pm
STL
-
VIE
23h 35m
2 stops
Air Canada Logo
11:00 am - 8:25 pm
VIE
-
STL
16h 25m
1 stop
$704Air Canada
Tue, Apr 28 - Tue, May 5
Air Canada Logo
4:05 pm - 12:20 pm
STL
-
VIE
37h 15m
2 stops
Air Canada Logo
11:00 am - 8:25 pm
VIE
-
STL
16h 25m
1 stop
$706Air Canada
Sun, Apr 26 - Tue, May 12
Air Canada Logo
4:05 pm - 3:05 pm
STL
-
VIE
16h 00m
2 stops
Air Canada Logo
11:00 am - 8:25 pm
VIE
-
STL
16h 25m
1 stop
$712Air Canada
Wed, Apr 29 - Wed, May 6
Air Canada Logo
4:05 pm - 3:05 pm
STL
-
VIE
16h 00m
2 stops
Air Canada Logo
6:00 am - 8:25 pm
VIE
-
STL
21h 25m
2 stops
$713Air Canada
Wed, Apr 29 - Wed, May 6
United Airlines Logo
6:30 am - 8:15 am
STL
-
VIE
18h 45m
1 stop
United Airlines Logo
10:30 am - 4:39 pm
VIE
-
STL
13h 09m
1 stop
$722United Airlines
Sun, Apr 26 - Tue, May 12
Multiple Airlines Logo
4:05 pm - 3:05 pm
STL
-
VIE
16h 00m
2 stops
Multiple Airlines Logo
7:00 am - 1:25 pm
VIE
-
STL
13h 25m
1 stop
$727Multiple Airlines
Wed, Apr 29 - Wed, May 6

Lufthansa flights from St. Louis to Vienna

Our best Lufthansa deals on St. Louis to Vienna flight tickets
Lufthansa
May 8
STL7:09 pmLambert-St Louis
17h 21m
2 stops
VIE7:30 pmVienna Intl
May 13
VIE6:00 amVienna Intl
14h 25m
1 stop
STL1:25 pmLambert-St Louis
$800
Lufthansa
May 8
STL7:09 pmLambert-St Louis
20h 56m
2 stops
VIE11:05 pmVienna Intl
May 13
VIE11:20 amVienna Intl
18h 25m
2 stops
STL10:45 pmLambert-St Louis
$809
Lufthansa
May 7
STL7:09 pmLambert-St Louis
18h 21m
2 stops
VIE8:30 pmVienna Intl
May 15
VIE8:00 amVienna Intl
12h 25m
1 stop
STL1:25 pmLambert-St Louis
$841

United Airlines flights from St. Louis to Vienna

Our best United Airlines deals on St. Louis to Vienna flight tickets
United Airlines
May 13
STL7:05 amLambert-St Louis
18h 15m
1 stop
VIE8:20 amVienna Intl
May 27
VIE10:30 amVienna Intl
34h 53m
2 stops
STL2:23 pmLambert-St Louis
$768
United Airlines
May 13
STL7:45 amLambert-St Louis
17h 35m
2 stops
VIE8:20 amVienna Intl
May 27
VIE10:30 amVienna Intl
34h 53m
2 stops
STL2:23 pmLambert-St Louis
$773
United Airlines
May 5
STL1:00 pmLambert-St Louis
16h 20m
2 stops
VIE12:20 pmVienna Intl
May 15
VIE7:00 amVienna Intl
13h 25m
1 stop
STL1:25 pmLambert-St Louis
$774

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 March 17, 2026.
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

Cheapest round-trip

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Mon 8/31

1:30 pm-9:35 am

2 stops37h 05m

Vienna Intl

Sun 9/6

10:15 am-8:50 pm

2 stops17h 35m

$662

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Sun 4/26

5:21 pm-6:20 pm

2 stops17h 59m

Vienna Intl

Tue 5/12

11:35 am-10:19 pm

2 stops17h 44m

$688

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Tue 4/28

4:05 pm-10:40 pm

2 stops23h 35m

Vienna Intl

Tue 5/5

11:15 am-8:04 pm

2 stops15h 49m

$698

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Wed 4/29

3:30 pm-12:35 pm

1 stop14h 05m

Vienna Intl

Wed 5/6

10:30 am-12:06 pm

1 stop32h 36m

$701

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Tue 4/28

4:05 pm-10:40 pm

2 stops23h 35m

Vienna Intl

Tue 5/5

11:00 am-8:25 pm

1 stop16h 25m

$704

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Sun 4/26

4:05 pm-12:20 pm

2 stops37h 15m

Vienna Intl

Tue 5/12

11:00 am-8:25 pm

1 stop16h 25m

$706

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Wed 4/29

4:05 pm-3:05 pm

2 stops16h 00m

Vienna Intl

Wed 5/6

11:00 am-8:25 pm

1 stop16h 25m

$712

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Wed 4/29

4:05 pm-3:05 pm

2 stops16h 00m

Vienna Intl

Wed 5/6

6:00 am-8:25 pm

2 stops21h 25m

$713

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Sun 4/26

6:30 am-8:15 am

1 stop18h 45m

Vienna Intl

Tue 5/12

10:30 am-4:39 pm

1 stop13h 09m

$722
Quickest round-trip

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Wed 4/29

4:05 pm-3:05 pm

2 stops16h 00m

Vienna Intl

Wed 5/6

7:00 am-1:25 pm

1 stop13h 25m

$727

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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, 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 $523. If you aren’t able to travel to Vienna during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $613.

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

You could potentially save up to 4% 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

Fastest flight time

12h 02m

Direct flights

None
The fastest flight from St. Louis to Vienna takes 12h 02m
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 12h 02m.

  • 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 $503Free CancellationRating
6.8
7,858 reviews
Search Lufthansa flights
United AirlinesPriceFrom $555Free CancellationRating
7.4
9,431 reviews
Search United Airlines flights
Air CanadaPriceFrom $645Free CancellationRating
7.1
10,811 reviews
Search Air Canada flights

Traveling to a place near Vienna?

Book flights to Vienna if you plan to visit one of these locations
Wiener Neustadt
Schwechat
Steyr
Semmering
Melk
Stegersbach
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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