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Cheap flights from St. Louis to Austria from $441

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 Austria departing on 8/14. 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 Austria

Cheap round-trip flights

Air Canada Logo
1:30 pm - 8:35 amSTL-VIE
12h 05m1 stop
Air Canada Logo
11:00 am - 7:57 pmVIE-STL
15h 57m1 stop
$641Air Canada
Find Deal
Sun, Sep 7 - Tue, Sep 23
Air Canada Logo
1:30 pm - 12:20 pmSTL-VIE
15h 50m2 stops
Air Canada Logo
7:00 am - 7:57 pmVIE-STL
19h 57m2 stops
$661Air Canada
Find Deal
Sun, Sep 7 - Tue, Sep 23
United Airlines Logo
9:15 am - 8:20 amSTL-VIE
16h 05m1 stop
United Airlines Logo
10:30 am - 7:38 pmVIE-STL
16h 08m1 stop
$691United Airlines
Find Deal
Sun, Sep 7 - Tue, Sep 23
United Airlines Logo
1:30 pm - 12:20 pmSTL-VIE
15h 50m2 stops
United Airlines Logo
10:30 am - 6:23 pmVIE-STL
14h 53m1 stop
$692United Airlines
Find Deal
Tue, Aug 26 - Tue, Sep 2
Lufthansa Logo
3:50 pm - 1:10 pmSTL-VIE
14h 20m1 stop
Lufthansa Logo
8:00 am - 1:55 pmVIE-STL
12h 55m1 stop
$732Lufthansa
Find Deal
Fri, Nov 28 - Sun, Dec 7
Lufthansa Logo
3:50 pm - 9:45 amSTL-SZG
10h 55m1 stop
Lufthansa Logo
6:45 am - 1:55 pmSZG-STL
14h 10m1 stop
$740Lufthansa
Find Deal
Wed, Dec 3 - Wed, Dec 10
British Airways Logo
12:54 pm - 1:00 pmSTL-SZG
17h 06m2 stops
British Airways Logo
1:20 pm - 4:07 pmSZG-STL
33h 47m2 stops
$743British Airways
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Thu, Dec 4 - Sun, Dec 7
Logo
4:00 pm - 7:55 pmSTL-VIE
20h 55m2 stops
Logo
5:55 am - 7:38 pmVIE-STL
20h 43m3 stops
$791
Find Deal
Tue, Aug 26 - Tue, Sep 2
Logo
1:30 pm - 8:20 amSTL-VIE
59h 50m2 stops
Logo
6:00 am - 2:55 pmVIE-STL
14h 55m1 stop
$811
Find Deal
Fri, Oct 3 - Sun, Oct 26
British Airways Logo
4:08 pm - 1:00 pmSTL-SZG
37h 52m2 stops
British Airways Logo
1:20 pm - 6:15 pmSZG-STL
35h 55m2 stops
$898British Airways
Find Deal
Wed, Dec 3 - Sun, Dec 7

United Airlines flights from St. Louis to Austria

Our best United Airlines deals on St. Louis to Austria flight tickets
United Airlines
Sep 7
STL9:15 amLambert-St Louis
16h 05m
1 stop
VIE8:20 amVienna Intl
Sep 23
VIE10:30 amVienna Intl
16h 08m
1 stop
STL7:38 pmLambert-St Louis
$691
Find similar
United Airlines
Aug 26
STL1:30 pmLambert-St Louis
15h 50m
2 stops
VIE12:20 pmVienna Intl
Sep 2
VIE10:30 amVienna Intl
14h 53m
1 stop
STL6:23 pmLambert-St Louis
$692
Find similar
United Airlines
Aug 26
STL1:30 pmLambert-St Louis
17h 15m
2 stops
VIE1:45 pmVienna Intl
Sep 2
VIE7:00 amVienna Intl
19h 57m
2 stops
STL7:57 pmLambert-St Louis
$695
Find similar

Lufthansa flights from St. Louis to Austria

Our best Lufthansa deals on St. Louis to Austria flight tickets
Lufthansa
Nov 28
STL3:50 pmLambert-St Louis
14h 20m
1 stop
VIE1:10 pmVienna Intl
Dec 7
VIE8:00 amVienna Intl
12h 55m
1 stop
STL1:55 pmLambert-St Louis
$732
Find similar
Lufthansa
Dec 3
STL3:50 pmLambert-St Louis
10h 55m
1 stop
SZG9:45 amSalzburg W.A. Mozart
Dec 10
SZG6:45 amSalzburg W.A. Mozart
14h 10m
1 stop
STL1:55 pmLambert-St Louis
$740
Find similar
Lufthansa
Dec 3
STL3:50 pmLambert-St Louis
14h 30m
1 stop
SZG1:20 pmSalzburg W.A. Mozart
Dec 10
SZG10:40 amSalzburg W.A. Mozart
20h 02m
2 stops
STL11:42 pmLambert-St Louis
$750
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Austria 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 31, 2025.
Use the filters below to find and compare flights from St. Louis to Austria that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Sun 9/7

1:30 pm-8:35 am

1 stop12h 05m

Vienna Intl

Tue 9/23

11:00 am-7:57 pm

1 stop15h 57m

$641

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Sun 9/7

1:30 pm-12:20 pm

2 stops15h 50m

Vienna Intl

Tue 9/23

7:00 am-7:57 pm

2 stops19h 57m

$661

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Sun 9/7

9:15 am-8:20 am

1 stop16h 05m

Vienna Intl

Tue 9/23

10:30 am-7:38 pm

1 stop16h 08m

$691

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Tue 8/26

1:30 pm-12:20 pm

2 stops15h 50m

Vienna Intl

Tue 9/2

10:30 am-6:23 pm

1 stop14h 53m

$692

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Fri 11/28

3:50 pm-1:10 pm

1 stop14h 20m

Vienna Intl

Sun 12/7

8:00 am-1:55 pm

1 stop12h 55m

$732

St. LouisSalzburg

STL - SZG

STLSZG

Lambert-St Louis

Wed 12/3

3:50 pm-9:45 am

1 stop10h 55m

Salzburg W.A. Mozart

Wed 12/10

6:45 am-1:55 pm

1 stop14h 10m

$740

St. LouisSalzburg

STL - SZG

STLSZG

Lambert-St Louis

Thu 12/4

12:54 pm-1:00 pm

2 stops17h 06m

Salzburg W.A. Mozart

Sun 12/7

1:20 pm-4:07 pm

2 stops33h 47m

$743

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Tue 8/26

4:00 pm-7:55 pm

2 stops20h 55m

Vienna Intl

Tue 9/2

5:55 am-7:38 pm

3 stops20h 43m

$791

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Fri 10/3

1:30 pm-8:20 am

2 stops59h 50m

Vienna Intl

Sun 10/26

6:00 am-2:55 pm

1 stop14h 55m

$811

St. LouisSalzburg

STL - SZG

STLSZG

Lambert-St Louis

Wed 12/3

4:08 pm-1:00 pm

2 stops37h 52m

Salzburg W.A. Mozart

Sun 12/7

1:20 pm-6:15 pm

2 stops35h 55m

$898

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 Austria from

How to get the cheapest flight ticket from St. Louis to Austria

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 Austria?

In general, February is the cheapest month to fly from St. Louis to Austria. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $638. If you are unable to visit Austria during the month of February, then departing from St. Louis during the month October is also very affordable. Most momondo users find prices during this month for around $781.

What is the cheapest day to depart on your flight to Austria?

The cheapest day to depart from St. Louis to Austria is on a Monday when prices can be found for as low as $813. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,290. These prices are subject to change though, so be sure to set up a Price Alert for flights to Austria.

What is the cheapest time of day to depart on your flight to Austria?

According to our data, the cheapest time of day to fly to Austria is in the evening. momondo users have found flights departing from St. Louis to Austria in the evening for as low as $804. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the morning are often more expensive with an average ticket price of $1,245.

Cheap St. Louis to Austria flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Austria

Best Price Found

$441

Fastest flight time

10h 55m

Direct flights

None

Airports in Austria

2 airports
The best one-way flight to Austria from St. Louis in the past 72 hours is $441. The best round-trip flight deal from St. Louis to Austria found on momondo in the last 72 hours is $641.
The fastest flight from St. Louis to Austria takes 10h 55m
There are no direct flights from St. Louis to Austria. Popular non-direct routes for this connection are Lambert-St Louis Airport - Salzburg W.A. Mozart Airport and Lambert-St Louis Airport - Vienna Intl Airport.
There are 2 airports near Austria: Salzburg W.A. Mozart (SZG), Vienna Intl (VIE)
Search flight deals

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Austria?

    Prices for flights from Lambert-St Louis Airport to Austria refresh daily.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Austria?

  • How old do you have to be to fly from Lambert-St Louis Airport to Austria?

    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 Austria.

  • What documentation or ID do you need to fly to Austria?

    The required travel and health documents for your Austria 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 Austria. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from St. Louis to Austria

Compare and see reviews for airlines that fly from St. Louis to Austria with momondo
Airline
Rating
Free Cancellation
Price
Austrian AirlinesPriceFrom $611Free CancellationRating
7.6
823 reviews
Search Austrian Airlines flights
Air CanadaPriceFrom $645Free CancellationRating
7.1
9,851 reviews
Search Air Canada flights
United AirlinesPriceFrom $664Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights
LufthansaPriceFrom $674Free CancellationRating
6.8
7,275 reviews
Search Lufthansa flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Austria?

It is quick and easy to find St. Louis to Austria flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Austria that suits you.

Can I find flights from St. Louis to Austria with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Austria from St. Louis with this policy.

How can momondo help me find flights from St. Louis to Austria?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from St. Louis to Austria.

I’m not ready to book a flight from St. Louis to Austria right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Austria, momondo offers a useful price alert feature which will track prices for flights to Austria from St. Louis and alert you when they change.

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