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Cheap flights from St. Louis to Austria from $382

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 9/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Austria

Cheap round-trip flights

Enter your travel dates to find the best prices.
Austrian Airlines Logo
1:08 pm - 8:05 am
STL
-
VIE
11h 57m
1 stop
Austrian Airlines Logo
10:30 am - 7:40 pm
VIE
-
STL
16h 10m
1 stop
$794Austrian Airlines
Wed, Nov 25 - Sat, Dec 5
Multiple Airlines Logo
1:08 pm - 8:05 am
STL
-
VIE
11h 57m
1 stop
Multiple Airlines Logo
10:40 am - 3:41 pm
VIE
-
STL
36h 01m
2 stops
$801Multiple Airlines
Wed, Nov 25 - Sat, Dec 5
Air Canada Logo
7:33 am - 8:45 am
STL
-
VIE
18h 12m
2 stops
Air Canada Logo
10:40 am - 3:41 pm
VIE
-
STL
36h 01m
2 stops
$809Air Canada
Wed, Nov 25 - Sat, Dec 5
Multiple Airlines Logo
4:05 pm - 7:30 pm
STL
-
VIE
20h 25m
2 stops
Multiple Airlines Logo
7:00 am - 1:45 pm
VIE
-
STL
13h 45m
1 stop
$812Multiple Airlines
Wed, Nov 4 - Sun, Nov 15
Multiple Airlines Logo
1:08 pm - 8:05 am
STL
-
VIE
11h 57m
1 stop
Multiple Airlines Logo
8:00 am - 1:45 pm
VIE
-
STL
12h 45m
1 stop
$817Multiple Airlines
Wed, Nov 4 - Sun, Nov 15
Lufthansa Logo
7:04 pm - 10:40 pm
STL
-
VIE
20h 36m
2 stops
Lufthansa Logo
8:00 am - 9:13 pm
VIE
-
STL
20h 13m
2 stops
$822Lufthansa
Wed, Nov 4 - Sun, Nov 15
Air Canada Logo
4:05 pm - 9:10 am
STL
-
VIE
58h 05m
2 stops
Air Canada Logo
10:40 am - 8:48 am
VIE
-
STL
29h 08m
2 stops
$824Air Canada
Sat, Dec 5 - Sat, Dec 12
United Airlines Logo
7:04 pm - 10:30 am
STL
-
VIE
32h 26m
2 stops
United Airlines Logo
10:30 am - 11:25 pm
VIE
-
STL
19h 55m
1 stop
$835United Airlines
Sat, Dec 5 - Sat, Dec 12
United Airlines Logo
7:04 pm - 10:30 am
STL
-
VIE
32h 26m
2 stops
United Airlines Logo
10:30 am - 11:25 pm
VIE
-
STL
19h 55m
1 stop
$836United Airlines
Sat, Dec 5 - Sat, Dec 12
Lufthansa Logo
3:30 pm - 9:45 am
STL
-
SZG
11h 15m
1 stop
Lufthansa Logo
10:10 am - 1:25 pm
SZG
-
STL
34h 15m
1 stop
$1,053Lufthansa
Sun, Aug 9 - Sun, Aug 16

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Delta flights from St. Louis to Austria

Our best Delta deals on St. Louis to Austria flight tickets
Delta
Aug 9
STL2:10 pmLambert-St Louis
20h 25m
2 stops
VIE5:35 pmVienna Intl
Aug 24
VIE2:20 pmVienna Intl
31h 13m
2 stops
STL2:33 pmLambert-St Louis
$882
Delta
Aug 9
STL10:33 amLambert-St Louis
15h 07m
2 stops
VIE8:40 amVienna Intl
Aug 24
VIE2:20 pmVienna Intl
31h 13m
2 stops
STL2:33 pmLambert-St Louis
$886
Delta
Jul 31
STL6:21 amLambert-St Louis
19h 19m
2 stops
VIE8:40 amVienna Intl
Aug 6
VIE7:00 amVienna Intl
16h 17m
2 stops
STL4:17 pmLambert-St Louis
$982

Air Canada flights from St. Louis to Austria

Our best Air Canada deals on St. Louis to Austria flight tickets
Air Canada
Nov 25
STL7:33 amLambert-St Louis
18h 12m
2 stops
VIE8:45 amVienna Intl
Dec 5
VIE10:40 amVienna Intl
36h 01m
2 stops
STL3:41 pmLambert-St Louis
$809
Air Canada
Dec 5
STL4:05 pmLambert-St Louis
58h 05m
2 stops
VIE9:10 amVienna Intl
Dec 12
VIE10:40 amVienna Intl
29h 08m
2 stops
STL8:48 amLambert-St Louis
$824
Air Canada
Sep 29
STL12:10 pmLambert-St Louis
13h 25m
1 stop
VIE8:35 amVienna Intl
Oct 6
VIE11:00 amVienna Intl
32h 13m
2 stops
STL12:13 pmLambert-St Louis
$844

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 June 30, 2026.
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

Cheapest round-trip

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Wed 11/25

1:08 pm-8:05 am

1 stop11h 57m

Vienna Intl

Sat 12/5

10:30 am-7:40 pm

1 stop16h 10m

$794

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Wed 11/25

1:08 pm-8:05 am

1 stop11h 57m

Vienna Intl

Sat 12/5

10:40 am-3:41 pm

2 stops36h 01m

$801

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Wed 11/25

7:33 am-8:45 am

2 stops18h 12m

Vienna Intl

Sat 12/5

10:40 am-3:41 pm

2 stops36h 01m

$809

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Wed 11/4

4:05 pm-7:30 pm

2 stops20h 25m

Vienna Intl

Sun 11/15

7:00 am-1:45 pm

1 stop13h 45m

$812
Quickest round-trip

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Wed 11/4

1:08 pm-8:05 am

1 stop11h 57m

Vienna Intl

Sun 11/15

8:00 am-1:45 pm

1 stop12h 45m

$817

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Wed 11/4

7:04 pm-10:40 pm

2 stops20h 36m

Vienna Intl

Sun 11/15

8:00 am-9:13 pm

2 stops20h 13m

$822

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Sat 12/5

4:05 pm-9:10 am

2 stops58h 05m

Vienna Intl

Sat 12/12

10:40 am-8:48 am

2 stops29h 08m

$824

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Sat 12/5

7:04 pm-10:30 am

2 stops32h 26m

Vienna Intl

Sat 12/12

10:30 am-11:25 pm

1 stop19h 55m

$835

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Sat 12/5

7:04 pm-10:30 am

2 stops32h 26m

Vienna Intl

Sat 12/12

10:30 am-11:25 pm

1 stop19h 55m

$836

St. LouisSalzburg

STL - SZG

STLSZG

Lambert-St Louis

Sun 8/9

3:30 pm-9:45 am

1 stop11h 15m

Salzburg W.A. Mozart

Sun 8/16

10:10 am-1:25 pm

1 stop34h 15m

$1,053

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, March 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 $471. If you are unable to visit Austria during the month of March, then departing from St. Louis during the month February is also very affordable. Most momondo users find prices during this month for around $503.

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

You could potentially save up to 32% on your flight if you consider stops on a St. Louis to Austria flight.

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

Fastest flight time

11h 57m

Direct flights

None
The fastest flight from St. Louis to Austria takes 11h 57m
There are no direct flights from St. Louis to Austria. There are no popular flight routes from St. Louis to Austria.
Search flight deals

Frequently asked questions about flying from St. Louis to Austria

  • 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
LufthansaPriceFrom $503Free CancellationRating
6.8
8,111 reviews
Search Lufthansa flights
United AirlinesPriceFrom $555Free CancellationRating
7.4
9,904 reviews
Search United Airlines 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.

An easier way to manage your Austria trip

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