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Cheap flights from St. Louis to Austria from $455

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Austria departing on 2/8. 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 Austria

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:40 pm - 4:35 pm
STL
-
VIE
14h 55m2 stops
Multiple Airlines Logo
10:30 am - 12:05 am
VIE
-
STL
20h 35m1 stop
$455Multiple Airlines
Sun, Feb 8 - Sun, Feb 15
Multiple Airlines Logo
12:44 pm - 11:35 am
STL
-
VIE
15h 51m2 stops
Multiple Airlines Logo
1:55 pm - 3:29 pm
VIE
-
STL
32h 34m2 stops
$468Multiple Airlines
Mon, Jan 19 - Mon, Jan 26
United Airlines Logo
2:45 pm - 6:05 pm
STL
-
VIE
20h 20m2 stops
United Airlines Logo
10:35 am - 5:00 pm
VIE
-
STL
37h 25m2 stops
$493United Airlines
Fri, Feb 6 - Fri, Feb 13
Lufthansa Logo
6:40 pm - 4:35 pm
STL
-
VIE
14h 55m2 stops
Lufthansa Logo
1:20 pm - 10:58 pm
VIE
-
STL
16h 38m2 stops
$508Lufthansa
Sun, Feb 1 - Mon, Feb 9
United Airlines Logo
11:20 am - 6:05 pm
STL
-
VIE
23h 45m2 stops
United Airlines Logo
10:35 am - 10:13 am
VIE
-
STL
30h 38m1 stop
$509United Airlines
Sun, Feb 1 - Mon, Feb 9
Air Canada Logo
4:05 pm - 6:05 pm
STL
-
VIE
19h 00m2 stops
Air Canada Logo
10:40 am - 3:29 pm
VIE
-
STL
35h 49m2 stops
$511Air Canada
Wed, Jan 28 - Sun, Feb 1
Air Canada Logo
4:05 pm - 6:05 pm
STL
-
VIE
19h 00m2 stops
Air Canada Logo
10:40 am - 3:29 pm
VIE
-
STL
35h 49m2 stops
$512Air Canada
Wed, Jan 28 - Sun, Feb 1
Air Canada Logo
4:05 pm - 9:10 am
STL
-
VIE
34h 05m2 stops
Air Canada Logo
10:40 am - 3:29 pm
VIE
-
STL
35h 49m2 stops
$513Air Canada
Wed, Jan 28 - Sun, Feb 1
British Airways Logo
5:20 pm - 5:55 pm
STL
-
VIE
17h 35m2 stops
British Airways Logo
7:25 am - 11:23 pm
VIE
-
STL
22h 58m2 stops
$514British Airways
Sun, Feb 8 - Sun, Feb 15
United Airlines Logo
11:22 am - 8:00 am
STL
-
VIE
13h 38m1 stop
United Airlines Logo
10:35 am - 11:59 pm
VIE
-
STL
20h 24m2 stops
$517United Airlines
Wed, Jan 28 - Sun, Feb 1

United Airlines flights from St. Louis to Austria

Our best United Airlines deals on St. Louis to Austria flight tickets
United Airlines
Feb 6
STL2:45 pmLambert-St Louis
20h 20m
2 stops
VIE6:05 pmVienna Intl
Feb 13
VIE10:35 amVienna Intl
37h 25m
2 stops
STL5:00 pmLambert-St Louis
$493
Find similar
United Airlines
Feb 1
STL11:20 amLambert-St Louis
23h 45m
2 stops
VIE6:05 pmVienna Intl
Feb 9
VIE10:35 amVienna Intl
30h 38m
1 stop
STL10:13 amLambert-St Louis
$509
Find similar
United Airlines
Jan 28
STL11:22 amLambert-St Louis
13h 38m
1 stop
VIE8:00 amVienna Intl
Feb 1
VIE10:35 amVienna Intl
20h 24m
2 stops
STL11:59 pmLambert-St Louis
$517
Find similar

Lufthansa flights from St. Louis to Austria

Our best Lufthansa deals on St. Louis to Austria flight tickets
Lufthansa
Feb 1
STL6:40 pmLambert-St Louis
14h 55m
2 stops
VIE4:35 pmVienna Intl
Feb 9
VIE1:20 pmVienna Intl
16h 38m
2 stops
STL10:58 pmLambert-St Louis
$508
Find similar
Lufthansa
Jan 19
STL6:40 pmLambert-St Louis
14h 55m
2 stops
VIE4:35 pmVienna Intl
Jan 26
VIE10:30 amVienna Intl
20h 29m
2 stops
STL11:59 pmLambert-St Louis
$680
Find similar
Lufthansa
Jan 19
STL12:44 pmLambert-St Louis
16h 51m
2 stops
VIE12:35 pmVienna Intl
Jan 26
VIE9:25 amVienna Intl
21h 34m
2 stops
STL11:59 pmLambert-St Louis
$686
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 December 25, 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 2/8

6:40 pm-4:35 pm

2 stops14h 55m

Vienna Intl

Sun 2/15

10:30 am-12:05 am

1 stop20h 35m

$455

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Mon 1/19

12:44 pm-11:35 am

2 stops15h 51m

Vienna Intl

Mon 1/26

1:55 pm-3:29 pm

2 stops32h 34m

$468

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Fri 2/6

2:45 pm-6:05 pm

2 stops20h 20m

Vienna Intl

Fri 2/13

10:35 am-5:00 pm

2 stops37h 25m

$493

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Sun 2/1

6:40 pm-4:35 pm

2 stops14h 55m

Vienna Intl

Mon 2/9

1:20 pm-10:58 pm

2 stops16h 38m

$508

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Sun 2/1

11:20 am-6:05 pm

2 stops23h 45m

Vienna Intl

Mon 2/9

10:35 am-10:13 am

1 stop30h 38m

$509

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Wed 1/28

4:05 pm-6:05 pm

2 stops19h 00m

Vienna Intl

Sun 2/1

10:40 am-3:29 pm

2 stops35h 49m

$511

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Wed 1/28

4:05 pm-6:05 pm

2 stops19h 00m

Vienna Intl

Sun 2/1

10:40 am-3:29 pm

2 stops35h 49m

$512

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Wed 1/28

4:05 pm-9:10 am

2 stops34h 05m

Vienna Intl

Sun 2/1

10:40 am-3:29 pm

2 stops35h 49m

$513

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Sun 2/8

5:20 pm-5:55 pm

2 stops17h 35m

Vienna Intl

Sun 2/15

7:25 am-11:23 pm

2 stops22h 58m

$514

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Wed 1/28

11:22 am-8:00 am

1 stop13h 38m

Vienna Intl

Sun 2/1

10:35 am-11:59 pm

2 stops20h 24m

$517

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, January 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 $613. If you are unable to visit Austria during the month of January, then departing from St. Louis during the month February is also very affordable. Most momondo users find prices during this month for around $664.

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.

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

You could potentially save up to 27% 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

13h 20m

Direct flights

None
The fastest flight from St. Louis to Austria takes 13h 20m
There are no direct flights from St. Louis to Austria. There are no popular flight routes from St. Louis to Austria.
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 $509Free CancellationRating
7.6
884 reviews
Search Austrian Airlines flights
United AirlinesPriceFrom $613Free CancellationRating
7.4
9,115 reviews
Search United Airlines flights
LufthansaPriceFrom $615Free CancellationRating
6.8
7,655 reviews
Search Lufthansa flights
Air CanadaPriceFrom $645Free CancellationRating
7.1
10,560 reviews
Search Air Canada 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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