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Cheap flights from St. Louis to Vienna from $338

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 11/10. 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
8:05 pm - 11:39 pm
VIE
-
STL
33h 34m
2 stops
$823Scandinavian Airlines
Tue, Oct 20 - Tue, Oct 27
Scandinavian Airlines Logo
3:42 pm - 9:35 am
STL
-
VIE
34h 53m
2 stops
Scandinavian Airlines Logo
10:15 am - 11:39 pm
VIE
-
STL
19h 24m
2 stops
$826Scandinavian Airlines
Tue, Oct 20 - Wed, Oct 28
Multiple Airlines Logo
3:30 pm - 11:45 am
STL
-
VIE
13h 15m
1 stop
Multiple Airlines Logo
10:30 am - 2:00 pm
VIE
-
STL
34h 30m
1 stop
$844Multiple Airlines
Sun, Oct 11 - Fri, Oct 23
Air Canada Logo
12:10 pm - 8:35 am
STL
-
VIE
13h 25m
1 stop
Air Canada Logo
10:40 am - 2:18 pm
VIE
-
STL
33h 38m
2 stops
$846Air Canada
Sun, Oct 18 - Thu, Oct 29
Air Canada Logo
12:10 pm - 10:40 pm
STL
-
VIE
27h 30m
2 stops
Air Canada Logo
10:35 am - 2:18 pm
VIE
-
STL
33h 43m
2 stops
$848Air Canada
Sun, Oct 18 - Thu, Oct 29
Air Canada Logo
12:10 pm - 8:35 am
STL
-
VIE
13h 25m
1 stop
Air Canada Logo
10:30 am - 12:20 pm
VIE
-
STL
32h 50m
2 stops
$851Air Canada
Sun, Oct 11 - Fri, Oct 23
United Airlines Logo
6:49 pm - 8:15 am
STL
-
VIE
30h 26m
1 stop
United Airlines Logo
10:35 am - 3:30 pm
VIE
-
STL
34h 55m
1 stop
$853United Airlines
Sat, Oct 17 - Thu, Oct 29
Air Canada Logo
6:49 pm - 8:35 am
STL
-
VIE
30h 46m
2 stops
Air Canada Logo
10:35 am - 2:18 pm
VIE
-
STL
33h 43m
2 stops
$855Air Canada
Sat, Oct 17 - Fri, Oct 30
United Airlines Logo
12:10 pm - 12:20 pm
STL
-
VIE
17h 10m
2 stops
United Airlines Logo
10:35 am - 3:30 pm
VIE
-
STL
34h 55m
1 stop
$861United Airlines
Tue, Oct 20 - Fri, Oct 30
United Airlines Logo
1:27 pm - 12:20 pm
STL
-
VIE
15h 53m
2 stops
United Airlines Logo
7:00 am - 2:55 pm
VIE
-
STL
13h 55m
1 stop
$862United Airlines
Mon, Oct 19 - Wed, Oct 28

Air Canada flights from St. Louis to Vienna

Our best Air Canada deals on St. Louis to Vienna flight tickets
Air Canada
Oct 18
STL12:10 pmLambert-St Louis
13h 25m
1 stop
VIE8:35 amVienna Intl
Oct 29
VIE10:40 amVienna Intl
33h 38m
2 stops
STL2:18 pmLambert-St Louis
$846
Air Canada
Oct 18
STL12:10 pmLambert-St Louis
27h 30m
2 stops
VIE10:40 pmVienna Intl
Oct 29
VIE10:35 amVienna Intl
33h 43m
2 stops
STL2:18 pmLambert-St Louis
$848
Air Canada
Oct 11
STL12:10 pmLambert-St Louis
13h 25m
1 stop
VIE8:35 amVienna Intl
Oct 23
VIE10:30 amVienna Intl
32h 50m
2 stops
STL12:20 pmLambert-St Louis
$851

United Airlines flights from St. Louis to Vienna

Our best United Airlines deals on St. Louis to Vienna flight tickets
United Airlines
Oct 17
STL6:49 pmLambert-St Louis
30h 26m
1 stop
VIE8:15 amVienna Intl
Oct 29
VIE10:35 amVienna Intl
34h 55m
1 stop
STL3:30 pmLambert-St Louis
$853
United Airlines
Oct 20
STL12:10 pmLambert-St Louis
17h 10m
2 stops
VIE12:20 pmVienna Intl
Oct 30
VIE10:35 amVienna Intl
34h 55m
1 stop
STL3:30 pmLambert-St Louis
$861
United Airlines
Oct 19
STL1:27 pmLambert-St Louis
15h 53m
2 stops
VIE12:20 pmVienna Intl
Oct 28
VIE7:00 amVienna Intl
13h 55m
1 stop
STL2:55 pmLambert-St Louis
$862

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 May 15, 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

Tue 10/20

1:30 pm-9:35 am

2 stops37h 05m

Vienna Intl

Tue 10/27

8:05 pm-11:39 pm

2 stops33h 34m

$823

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Tue 10/20

3:42 pm-9:35 am

2 stops34h 53m

Vienna Intl

Wed 10/28

10:15 am-11:39 pm

2 stops19h 24m

$826

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Sun 10/11

3:30 pm-11:45 am

1 stop13h 15m

Vienna Intl

Fri 10/23

10:30 am-2:00 pm

1 stop34h 30m

$844

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Sun 10/18

12:10 pm-8:35 am

1 stop13h 25m

Vienna Intl

Thu 10/29

10:40 am-2:18 pm

2 stops33h 38m

$846

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Sun 10/18

12:10 pm-10:40 pm

2 stops27h 30m

Vienna Intl

Thu 10/29

10:35 am-2:18 pm

2 stops33h 43m

$848

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Sun 10/11

12:10 pm-8:35 am

1 stop13h 25m

Vienna Intl

Fri 10/23

10:30 am-12:20 pm

2 stops32h 50m

$851

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Sat 10/17

6:49 pm-8:15 am

1 stop30h 26m

Vienna Intl

Thu 10/29

10:35 am-3:30 pm

1 stop34h 55m

$853

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Sat 10/17

6:49 pm-8:35 am

2 stops30h 46m

Vienna Intl

Fri 10/30

10:35 am-2:18 pm

2 stops33h 43m

$855

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Tue 10/20

12:10 pm-12:20 pm

2 stops17h 10m

Vienna Intl

Fri 10/30

10:35 am-3:30 pm

1 stop34h 55m

$861
Quickest round-trip

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Mon 10/19

1:27 pm-12:20 pm

2 stops15h 53m

Vienna Intl

Wed 10/28

7:00 am-2:55 pm

1 stop13h 55m

$862

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, 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 32% 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 15m

Direct flights

None
The fastest flight from St. Louis to Vienna takes 13h 15m
There are no direct flights from St. Louis to Vienna. There are no popular flight routes from St. Louis to Vienna.
Search flight deals

Frequently asked questions about flying from St. Louis to Vienna

  • 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 15m.

  • 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
8,002 reviews
Search Lufthansa flights
United AirlinesPriceFrom $555Free CancellationRating
7.4
9,718 reviews
Search United Airlines flights
Air CanadaPriceFrom $645Free CancellationRating
7.1
11,042 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
Semmering
Steyr
Schwechat
Stegersbach
Krems an der Donau
Rust
Melk

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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