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Cheap flights from St. Louis to Vienna from $458

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 9/2. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Vienna

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:05 pm - 8:45 am
STL
-
VIE
33h 40m
1 stop
Multiple Airlines Logo
10:30 am - 1:45 pm
VIE
-
STL
34h 15m
1 stop
$749Multiple Airlines
Tue, Nov 3 - Tue, Nov 17
Multiple Airlines Logo
3:15 pm - 12:20 pm
STL
-
VIE
14h 05m
2 stops
Multiple Airlines Logo
6:00 am - 2:30 pm
VIE
-
STL
15h 30m
2 stops
$752Multiple Airlines
Tue, Nov 3 - Tue, Nov 17
United Airlines Logo
12:05 pm - 8:00 am
STL
-
VIE
12h 55m
1 stop
United Airlines Logo
10:35 am - 2:30 pm
VIE
-
STL
34h 55m
2 stops
$756United Airlines
Tue, Nov 3 - Tue, Nov 17
Multiple Airlines Logo
11:51 am - 11:40 am
STL
-
VIE
16h 49m
2 stops
Multiple Airlines Logo
7:45 pm - 8:58 am
VIE
-
STL
20h 13m
2 stops
$792Multiple Airlines
Mon, Nov 9 - Mon, Nov 16
Air Canada Logo
7:04 pm - 8:45 am
STL
-
VIE
54h 41m
2 stops
Air Canada Logo
10:35 am - 2:30 pm
VIE
-
STL
34h 55m
2 stops
$817Air Canada
Sat, Nov 21 - Wed, Dec 2
Air Canada Logo
4:05 pm - 8:45 am
STL
-
VIE
33h 40m
1 stop
Air Canada Logo
10:40 am - 3:26 pm
VIE
-
STL
35h 46m
2 stops
$826Air Canada
Mon, Nov 9 - Mon, Nov 16
Multiple Airlines Logo
7:04 pm - 8:45 am
STL
-
VIE
54h 41m
2 stops
Multiple Airlines Logo
6:00 am - 1:45 pm
VIE
-
STL
14h 45m
1 stop
$835Multiple Airlines
Sat, Nov 21 - Wed, Dec 2
Multiple Airlines Logo
12:10 pm - 8:35 am
STL
-
VIE
13h 25m
1 stop
Multiple Airlines Logo
10:30 am - 2:02 pm
VIE
-
STL
34h 32m
1 stop
$841Multiple Airlines
Tue, Aug 18 - Tue, Aug 25
Multiple Airlines Logo
7:00 am - 9:20 am
STL
-
VIE
19h 20m
2 stops
Multiple Airlines Logo
8:40 am - 7:45 pm
VIE
-
STL
18h 05m
2 stops
$846Multiple Airlines
Fri, Sep 11 - Thu, Sep 24
Multiple Airlines Logo
7:00 am - 9:20 am
STL
-
VIE
19h 20m
2 stops
Multiple Airlines Logo
8:40 am - 7:45 pm
VIE
-
STL
18h 05m
2 stops
$848Multiple Airlines
Fri, Sep 11 - Thu, Sep 24

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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 21
STL7:04 pmLambert-St Louis
54h 41m
2 stops
VIE8:45 amVienna Intl
Dec 2
VIE10:35 amVienna Intl
34h 55m
2 stops
STL2:30 pmLambert-St Louis
$817
Air Canada
Nov 9
STL4:05 pmLambert-St Louis
33h 40m
1 stop
VIE8:45 amVienna Intl
Nov 16
VIE10:40 amVienna Intl
35h 46m
2 stops
STL3:26 pmLambert-St Louis
$826
Air Canada
Aug 18
STL12:10 pmLambert-St Louis
13h 25m
1 stop
VIE8:35 amVienna Intl
Aug 25
VIE10:30 amVienna Intl
16h 54m
2 stops
STL8:24 pmLambert-St Louis
$862

United Airlines flights from St. Louis to Vienna

Our best United Airlines deals on St. Louis to Vienna flight tickets
United Airlines
Nov 3
STL12:05 pmLambert-St Louis
12h 55m
1 stop
VIE8:00 amVienna Intl
Nov 17
VIE10:35 amVienna Intl
34h 55m
2 stops
STL2:30 pmLambert-St Louis
$756
United Airlines
Aug 17
STL7:25 amLambert-St Louis
17h 50m
1 stop
VIE8:15 amVienna Intl
Aug 24
VIE11:15 amVienna Intl
33h 10m
1 stop
STL1:25 pmLambert-St Louis
$896
United Airlines
Sep 12
STL5:30 pmLambert-St Louis
31h 50m
2 stops
VIE8:20 amVienna Intl
Sep 24
VIE10:30 amVienna Intl
36h 13m
2 stops
STL3:43 pmLambert-St Louis
$914

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 July 6, 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 11/3

4:05 pm-8:45 am

1 stop33h 40m

Vienna Intl

Tue 11/17

10:30 am-1:45 pm

1 stop34h 15m

$749
Quickest round-trip

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Tue 11/3

3:15 pm-12:20 pm

2 stops14h 05m

Vienna Intl

Tue 11/17

6:00 am-2:30 pm

2 stops15h 30m

$752

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Tue 11/3

12:05 pm-8:00 am

1 stop12h 55m

Vienna Intl

Tue 11/17

10:35 am-2:30 pm

2 stops34h 55m

$756

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Mon 11/9

11:51 am-11:40 am

2 stops16h 49m

Vienna Intl

Mon 11/16

7:45 pm-8:58 am

2 stops20h 13m

$792

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Sat 11/21

7:04 pm-8:45 am

2 stops54h 41m

Vienna Intl

Wed 12/2

10:35 am-2:30 pm

2 stops34h 55m

$817

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Mon 11/9

4:05 pm-8:45 am

1 stop33h 40m

Vienna Intl

Mon 11/16

10:40 am-3:26 pm

2 stops35h 46m

$826

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Sat 11/21

7:04 pm-8:45 am

2 stops54h 41m

Vienna Intl

Wed 12/2

6:00 am-1:45 pm

1 stop14h 45m

$835

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Tue 8/18

12:10 pm-8:35 am

1 stop13h 25m

Vienna Intl

Tue 8/25

10:30 am-2:02 pm

1 stop34h 32m

$841

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Fri 9/11

7:00 am-9:20 am

2 stops19h 20m

Vienna Intl

Thu 9/24

8:40 am-7:45 pm

2 stops18h 05m

$846

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Fri 9/11

7:00 am-9:20 am

2 stops19h 20m

Vienna Intl

Thu 9/24

8:40 am-7:45 pm

2 stops18h 05m

$848

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 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 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 25m

Direct flights

None
The fastest flight from St. Louis to Vienna takes 13h 25m
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 25m.

  • 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
8,117 reviews
Search Lufthansa flights
United AirlinesPriceFrom $555Free CancellationRating
7.4
9,940 reviews
Search United Airlines flights

Traveling to a place near Vienna?

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