What is the cheapest airline that flies from Lambert-St Louis to Austria?

British Airways and United Airlines are the most popular carriers operating from Lambert-St Louis to Austria

What airlines fly to Austria?

Lufthansa, United Airlines and Air Canada are the top three most popular airlines that fly to Austria from St. Louis according to our data. Lufthansa is the first choice among our users, with 47% of people opting to fly with this airline when traveling to Austria. Keep in mind that there are 3 different airlines that fly to Austria on a routine basis, so you have a few additional options to choose from.

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?

There are 3 operators available for flights from Lambert-St Louis Airport to Austria as of May 2026.

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.

$338 Cheap Flights from St. Louis to Austria in 2026

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Find the cheapest flights from St. Louis to Austria

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:30 pm - 9:35 am

STL

VIE

37h 05m

2 stops

8:05 pm - 11:39 pm

VIE

STL

33h 34m

2 stops

$823Scandinavian Airlines

Tue, Oct 20 - Tue, Oct 27

3:42 pm - 9:35 am

STL

VIE

34h 53m

2 stops

10:15 am - 11:39 pm

VIE

STL

19h 24m

2 stops

$826Scandinavian Airlines

Tue, Oct 20 - Wed, Oct 28

3:30 pm - 11:45 am

STL

VIE

13h 15m

1 stop

10:30 am - 2:00 pm

VIE

STL

34h 30m

1 stop

$844Multiple Airlines

Sun, Oct 11 - Fri, Oct 23

12:10 pm - 8:35 am

STL

VIE

13h 25m

1 stop

10:40 am - 2:18 pm

VIE

STL

33h 38m

2 stops

$846Air Canada

Sun, Oct 18 - Thu, Oct 29

12:10 pm - 10:40 pm

STL

VIE

27h 30m

2 stops

10:35 am - 2:18 pm

VIE

STL

33h 43m

2 stops

$848Air Canada

Sun, Oct 18 - Thu, Oct 29

6:49 pm - 8:15 am

STL

VIE

30h 26m

1 stop

10:35 am - 3:30 pm

VIE

STL

34h 55m

1 stop

$853United Airlines

Sat, Oct 17 - Thu, Oct 29

12:10 pm - 12:20 pm

STL

VIE

17h 10m

2 stops

10:35 am - 3:30 pm

VIE

STL

34h 55m

1 stop

$861United Airlines

Tue, Oct 20 - Fri, Oct 30

12:10 pm - 9:25 am

STL

SZG

14h 15m

2 stops

10:35 am - 2:55 pm

SZG

STL

34h 20m

1 stop

$973Multiple Airlines

Fri, Oct 23 - Sat, Oct 31

3:30 pm - 1:35 pm

STL

SZG

15h 05m

1 stop

10:35 am - 2:55 pm

SZG

STL

34h 20m

1 stop

$996Lufthansa

Fri, Oct 23 - Sat, Oct 31

1:13 pm - 9:35 am

STL

SZG

13h 22m

2 stops

6:00 am - 1:25 pm

SZG

STL

14h 25m

1 stop

$1,321Lufthansa

Wed, Jun 3 - Tue, Jun 9

Air Canada flights from St. Louis to Austria

Our best Air Canada deals on St. Louis to Austria 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 Austria

Our best United Airlines deals on St. Louis to Austria 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

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

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

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

St. LouisSalzburg

STL - SZG

STLSZG

Lambert-St Louis

Fri 10/23

12:10 pm-9:25 am

2 stops14h 15m

Salzburg W.A. Mozart

Sat 10/31

10:35 am-2:55 pm

1 stop34h 20m

$973

St. LouisSalzburg

STL - SZG

STLSZG

Lambert-St Louis

Fri 10/23

3:30 pm-1:35 pm

1 stop15h 05m

Salzburg W.A. Mozart

Sat 10/31

10:35 am-2:55 pm

1 stop34h 20m

$996

Quickest round-trip

St. LouisSalzburg

STL - SZG

STLSZG

Lambert-St Louis

Wed 6/3

1:13 pm-9:35 am

2 stops13h 22m

Salzburg W.A. Mozart

Tue 6/9

6:00 am-1:25 pm

1 stop14h 25m

$1,321

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

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	13h 15m
Direct flights	None

The fastest flight from St. Louis to Austria takes 13h 15m

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?
There are 3 operators available for flights from Lambert-St Louis Airport to Austria as of May 2026.
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
Lufthansa	PriceFrom $503	Free Cancellation	Rating 6.8 8,002 reviews	Search Lufthansa flights
United Airlines	PriceFrom $555	Free Cancellation	Rating 7.4 9,718 reviews	Search United Airlines flights
Air Canada	PriceFrom $645	Free Cancellation	Rating 7.1 11,042 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.

An easier way to manage your Austria trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Flights to Viennafrom $561

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Cheap flights from St. Louis to Austria 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 Austria 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.

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Air Canada flights from St. Louis to Austria

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Our best United Airlines deals on St. Louis to Austria flight tickets

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

What is the cheapest month to fly to Austria?

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

What is the cheapest airline that flies from Lambert-St Louis to Austria?

What airlines fly to Austria?

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

Direct flights

Frequently asked questions about flying from St. Louis to Austria

Best airlines flying from St. Louis to Austria

Compare and see reviews for airlines that fly from St. Louis to Austria with momondo

Why use momondo?

An easier way to manage your Austria trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Austria

Popular cities in Austria

Popular flights according to clicks in the last 7 days on momondo

St. Louis flight routes

According to popular flight searches on momondo this year

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Fly your favorite airline to Austria

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List of cabin classes available on flights landing in Austria. Availability may vary depending on flight origin and airline.

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