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$412+ Cheap flights from St. Louis (STL) to Austria

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
STL — VIE
Feb 27 — Mar 61
Fri 2/27
Fri 3/6
1 adult, Economy
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Cheap flight deals from St. Louis to Austria

Cheapest flights from St. Louis to Austria
Explore the most affordable flight options available from St. Louis to Austria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 28, 2026.

This Gotogate deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/114:05 pm
STL
-
VIE
2 stops58h 05m
Multiple Airlines
Wed 4/228:00 am
VIE
-
STL
1 stop12h 25m
Multiple Airlines
Deal found 1/25$485
This United Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/97:40 am
STL
-
VIE
1 stop18h 25m
United Airlines
Wed 3/2510:55 am
VIE
-
STL
1 stop13h 04m
United Airlines
Deal found 1/27$507
This Sembo deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Sembo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/97:40 am
STL
-
VIE
2 stops19h 05m
Multiple Airlines
Wed 3/259:25 am
VIE
-
STL
2 stops19h 34m
Multiple Airlines
Deal found 1/27$511
This Cheapflightsfares deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/83:30 pm
STL
-
SZG
1 stop11h 05m
Lufthansa
Wed 4/226:00 am
SZG
-
STL
1 stop14h 25m
Lufthansa
Deal found 1/27$511
This Booking.com deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/114:05 pm
STL
-
VIE
2 stops58h 05m
Air Canada
Wed 4/2211:00 am
VIE
-
STL
2 stops18h 56m
Air Canada
Deal found 1/25$513
This United Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/112:40 pm
STL
-
VIE
2 stops34h 35m
United Airlines
Wed 4/2210:50 am
VIE
-
STL
2 stops28h 45m
United Airlines
Deal found 1/26$524
This oojo deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/92:50 pm
STL
-
VIE
2 stops24h 45m
British Airways
Mon 11/166:55 pm
VIE
-
STL
2 stops36h 01m
British Airways
Deal found 1/25$553
This American Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/13:23 pm
STL
-
VIE
2 stops19h 22m
American Airlines
Tue 12/157:25 am
VIE
-
STL
2 stops21h 27m
American Airlines
Deal found 1/26$568
This Gurufare deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/111:10 pm
STL
-
VIE
1 stop12h 05m
Austrian Airlines
Wed 4/2210:45 am
VIE
-
STL
1 stop20h 12m
Austrian Airlines
Deal found 1/25$584
This Booking.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/812:27 pm
STL
-
SZG
2 stops38h 23m
British Airways
Wed 4/2212:55 pm
SZG
-
STL
2 stops41h 09m
British Airways
Deal found 1/27$601
This Expedia deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/57:41 am
STL
-
VIE
2 stops17h 54m
Air Canada
Sun 3/1510:35 am
VIE
-
STL
2 stops16h 32m
Air Canada
Deal found 1/27$625
This United Airlines deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/271:27 pm
STL
-
VIE
1 stop11h 38m
United Airlines
Fri 12/410:35 am
VIE
-
STL
2 stops34h 43m
United Airlines
Deal found 1/25$628

Find flight deals from St. Louis to Austria

Keep the following information in mind while searching for St. Louis to Austria flight deals. Data was last updated January 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$485
(Gotogate)

One-way from

$412
(oojo)

Popular in

June

Cheapest in

February

Average price

$613
Provider with most accurate pricing for Lambert-St Louis-Vienna Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Vienna Intl flights.
Search Deals
From Lambert-St Louis to Austria
Search Deals
One-way flight from Lambert-St Louis to Austria
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($303 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($41 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated January 28, 2026.
Use the filters below to find and compare flights from St. Louis to Austria that are best for you.

Fly from

St. Louis

Fly to

Austria

Route

Depart

Return

Price

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Sat 4/11

4:05 pm-9:10 am

2 stops58h 05m

Vienna Intl

Wed 4/22

8:00 am-1:25 pm

1 stop12h 25m

$485

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Mon 3/9

7:40 am-8:05 am

1 stop18h 25m

Vienna Intl

Wed 3/25

10:55 am-5:59 pm

1 stop13h 04m

$507

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Mon 3/9

7:40 am-8:45 am

2 stops19h 05m

Vienna Intl

Wed 3/25

10:55 am-6:00 pm

1 stop13h 05m

$507

St. LouisSalzburg

STL - SZG

STLSZG

Lambert-St Louis

Wed 4/8

3:30 pm-9:35 am

1 stop11h 05m

Salzburg W.A. Mozart

Wed 4/22

6:00 am-1:25 pm

1 stop14h 25m

$511

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Sat 4/11

4:05 pm-9:10 am

2 stops58h 05m

Vienna Intl

Wed 4/22

11:00 am-10:56 pm

2 stops18h 56m

$513

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Sat 4/11

2:40 pm-8:15 am

2 stops34h 35m

Vienna Intl

Wed 4/22

10:50 am-8:35 am

2 stops28h 45m

$524

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Sat 4/11

1:10 pm-8:15 am

1 stop12h 05m

Vienna Intl

Wed 4/22

10:45 am-11:57 pm

1 stop20h 12m

$584

St. LouisSalzburg

STL - SZG

STLSZG

Lambert-St Louis

Wed 4/8

12:27 pm-9:50 am

2 stops38h 23m

Salzburg W.A. Mozart

Wed 4/22

12:55 pm-11:04 pm

2 stops41h 09m

$601

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Thu 3/5

7:41 am-8:25 am

2 stops17h 44m

Vienna Intl

Sun 3/15

6:50 am-9:07 pm

2 stops20h 17m

$638

St. LouisSalzburg

STL - SZG

STLSZG

Lambert-St Louis

Wed 4/8

8:21 am-9:35 am

3 stops18h 14m

Salzburg W.A. Mozart

Wed 4/22

10:10 am-10:56 pm

3 stops19h 46m

$660

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 24 results
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2
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Best time to book a flight from St. Louis to Austria

Have a flexible travel schedule? Discover the best time to fly to Austria from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Austria

What is the cheapest month to book a flight from St. Louis to Austria?

Currently, February is the cheapest month in which you can book a flight from St. Louis to Austria (average of $503). Flying from St. Louis to Austria in June is currently the most expensive (average of $1,096). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Austria

Get insights into the airlines that provide service to Austria. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Austria. Reviews last updated January 28, 2026.
Read through reviews of airlines operating flights from St. Louis to Austria, such as United Airlines, Air Canada, and Lufthansa. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,208 reviews

Crew

8.1

Comfort

7.3

Food

6.6

Boarding

7.7

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,208 reviews
United Airlines
7.4
Good
9,208 reviews

Crew

8.1

Comfort

7.3

Food

6.6

Boarding

7.7

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Air Canada
7.1
Good
10,666 reviews
United Airlines
7.4
Good
9,208 reviews

Crew

8.1

Comfort

7.3

Food

6.6

Boarding

7.7

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Lufthansa
6.8
Okay
7,749 reviews
United Airlines
7.4
Good
9,208 reviews

Crew

8.1

Comfort

7.3

Food

6.6

Boarding

7.7

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Austria. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from St. Louis to Austria?

    Most people fly from Lambert-St Louis (STL) if they book a flight from St. Louis to Austria. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.

  • How long is the flight from St. Louis to Austria?

    A quick flight from St. Louis to Austria can take about 11h 05m. United Airlines provides one of the quickest options available for as low as $511. There are 4831 mi between St. Louis and Austria. This flight may include one or multiple stops.

  • What are the most popular routes from St. Louis to Austria?

    When deciding which route to take from St. Louis to Austria consider Lambert-St Louis - Vienna Intl, Lambert-St Louis - Salzburg W.A. Mozart or Lambert-St Louis - Linz Hoersching as they are the most popular.

  • Can I find deals for flights from St. Louis to Austria that include hotel bookings?

    Yes. In addition to deals on St. Louis to Austria flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Austria?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Austria.

  • Can I find deals for business class flights from St. Louis to Austria?

    Yes. Cheapflights offers flight deals from St. Louis to Austria by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to Austria?

    Currently, February is the cheapest month in which you can book a flight from St. Louis to Austria (average of $503). Flying from St. Louis to Austria in June is currently the most expensive (average of $1,096). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for St. Louis to Austria

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from St. Louis to Austria

Discover the top 3 airlines that operate flights from St. Louis to Austria. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$613Average$912FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$615Average$894FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$645Average$1,093FlexibilityNo cancel feeOn-time67%

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