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Cheap flights from St. Louis to Vienna from $416

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 6/28. 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.
United Airlines Logo
7:40 am - 8:05 am
STL
-
VIE
18h 25m
1 stop
United Airlines Logo
10:55 am - 5:59 pm
VIE
-
STL
13h 04m
1 stop
$507United Airlines
Mon, Mar 9 - Wed, Mar 25
United Airlines Logo
8:17 am - 12:20 pm
STL
-
VIE
21h 03m
2 stops
United Airlines Logo
10:35 am - 3:29 pm
VIE
-
STL
34h 54m
1 stop
$510United Airlines
Mon, Mar 2 - Thu, Mar 12
Multiple Airlines Logo
7:40 am - 8:45 am
STL
-
VIE
19h 05m
2 stops
Multiple Airlines Logo
9:25 am - 10:59 pm
VIE
-
STL
19h 34m
2 stops
$511Multiple Airlines
Mon, Mar 9 - Wed, Mar 25
Multiple Airlines Logo
6:55 pm - 4:35 pm
STL
-
VIE
14h 40m
2 stops
Multiple Airlines Logo
10:40 am - 11:51 pm
VIE
-
STL
19h 11m
1 stop
$515Multiple Airlines
Mon, Mar 2 - Thu, Mar 12
Lufthansa Logo
6:55 pm - 5:40 pm
STL
-
VIE
15h 45m
2 stops
Lufthansa Logo
7:00 am - 6:00 pm
VIE
-
STL
17h 00m
2 stops
$530Lufthansa
Mon, Mar 2 - Thu, Mar 12
United Airlines Logo
11:25 am - 6:05 pm
STL
-
VIE
23h 40m
2 stops
United Airlines Logo
6:50 am - 9:07 pm
VIE
-
STL
20h 17m
2 stops
$532United Airlines
Thu, Mar 5 - Sun, Mar 15
Austrian Airlines Logo
7:00 am - 8:00 am
STL
-
VIE
18h 00m
1 stop
Austrian Airlines Logo
10:40 am - 11:51 pm
VIE
-
STL
19h 11m
1 stop
$564Austrian Airlines
Mon, Mar 2 - Thu, Mar 12
Air Canada Logo
7:41 am - 8:35 am
STL
-
VIE
17h 54m
2 stops
Air Canada Logo
10:35 am - 9:07 pm
VIE
-
STL
16h 32m
2 stops
$625Air Canada
Thu, Mar 5 - Sun, Mar 15
United Airlines Logo
7:41 am - 8:25 am
STL
-
VIE
17h 44m
2 stops
United Airlines Logo
6:50 am - 9:07 pm
VIE
-
STL
20h 17m
2 stops
$638United Airlines
Thu, Mar 5 - Sun, Mar 15
United Airlines Logo
7:41 am - 8:25 am
STL
-
VIE
17h 44m
2 stops
United Airlines Logo
6:50 am - 9:07 pm
VIE
-
STL
20h 17m
2 stops
$639United Airlines
Thu, Mar 5 - Sun, Mar 15

Lufthansa flights from St. Louis to Vienna

Our best Lufthansa deals on St. Louis to Vienna flight tickets
Lufthansa
Mar 2
STL6:55 pmLambert-St Louis
15h 45m
2 stops
VIE5:40 pmVienna Intl
Mar 12
VIE7:00 amVienna Intl
17h 00m
2 stops
STL6:00 pmLambert-St Louis
$530
Lufthansa
Mar 13
STL7:00 pmLambert-St Louis
22h 05m
2 stops
VIE11:05 pmVienna Intl
Mar 19
VIE1:20 pmVienna Intl
15h 39m
2 stops
STL10:59 pmLambert-St Louis
$948

Austrian Airlines flights from St. Louis to Vienna

Our best Austrian Airlines deals on St. Louis to Vienna flight tickets
Austrian Airlines
Mar 2
STL7:00 amLambert-St Louis
18h 00m
1 stop
VIE8:00 amVienna Intl
Mar 12
VIE10:40 amVienna Intl
19h 11m
1 stop
STL11:51 pmLambert-St Louis
$564
Austrian Airlines
Jan 30
STL11:22 amLambert-St Louis
13h 38m
1 stop
VIE8:00 amVienna Intl
Feb 5
VIE10:40 amVienna Intl
20h 19m
1 stop
STL11:59 pmLambert-St Louis
$705
Austrian Airlines
Feb 11
STL1:15 pmLambert-St Louis
11h 50m
1 stop
VIE8:05 amVienna Intl
Feb 14
VIE10:40 amVienna Intl
20h 19m
1 stop
STL11:59 pmLambert-St Louis
$1,317

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 January 29, 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

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Mon 3/9

7:40 am-8:05 am

1 stop18h 25m

Vienna Intl

Wed 3/25

10:55 am-5:59 pm

1 stop13h 04m

$507

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Mon 3/2

8:17 am-12:20 pm

2 stops21h 03m

Vienna Intl

Thu 3/12

10:35 am-3:29 pm

1 stop34h 54m

$510

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Mon 3/9

7:40 am-8:45 am

2 stops19h 05m

Vienna Intl

Wed 3/25

9:25 am-10:59 pm

2 stops19h 34m

$511

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Mon 3/2

6:55 pm-4:35 pm

2 stops14h 40m

Vienna Intl

Thu 3/12

10:40 am-11:51 pm

1 stop19h 11m

$515

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Mon 3/2

6:55 pm-5:40 pm

2 stops15h 45m

Vienna Intl

Thu 3/12

7:00 am-6:00 pm

2 stops17h 00m

$530

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Thu 3/5

11:25 am-6:05 pm

2 stops23h 40m

Vienna Intl

Sun 3/15

6:50 am-9:07 pm

2 stops20h 17m

$532

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Mon 3/2

7:00 am-8:00 am

1 stop18h 00m

Vienna Intl

Thu 3/12

10:40 am-11:51 pm

1 stop19h 11m

$564

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Thu 3/5

7:41 am-8:35 am

2 stops17h 54m

Vienna Intl

Sun 3/15

10:35 am-9:07 pm

2 stops16h 32m

$625

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Thu 3/5

7:41 am-8:25 am

2 stops17h 44m

Vienna Intl

Sun 3/15

6:50 am-9:07 pm

2 stops20h 17m

$638

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Thu 3/5

7:41 am-8:25 am

2 stops17h 44m

Vienna Intl

Sun 3/15

6:50 am-9:07 pm

2 stops20h 17m

$639

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 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 $543. 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 12% 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

13h 38m

Direct flights

None
The fastest flight from St. Louis to Vienna takes 13h 38m
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 13h 38m.

  • 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
United AirlinesPriceFrom $613Free CancellationRating
7.4
9,215 reviews
Search United Airlines flights
LufthansaPriceFrom $615Free CancellationRating
6.8
7,756 reviews
Search Lufthansa flights
Air CanadaPriceFrom $645Free CancellationRating
7.1
10,667 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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