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$538+ Cheap flights from St. Louis (STL) to Austria

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/24. Fares are subject to change and may not be available on all flights or dates of travel.
STL — VIE
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap 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 September 11, 2025.

Round-trip from

$538
(Flighttix)

Popular in

June

Cheapest in

February

Average price

$985
From Lambert-St Louis to Austria
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($303 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($49 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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Find 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 September 11, 2025.

This Flighttix deal was found by Cheapflights users on 9/10. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2411:44 amSTL - VIE
2 stops24h 41mScandinavian Airlines
Wed 12/108:05 pmVIE - STL
2 stops34h 36mScandinavian Airlines
Deal found 9/10$538
This Gotogate deal was found by Cheapflights users on 9/10. 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.
Mon 10/209:15 amSTL - VIE
2 stops16h 20mMultiple Airlines
Wed 11/58:00 amVIE - STL
1 stop12h 55mMultiple Airlines
Deal found 9/10$595
This United deal was found by Cheapflights users on 9/10. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/246:30 amSTL - VIE
1 stop18h 35mMultiple Airlines
Wed 12/108:00 amVIE - STL
1 stop12h 55mMultiple Airlines
Deal found 9/10$611
This United Airlines deal was found by Cheapflights users on 9/10. 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 11/294:05 pmSTL - VIE
2 stops37h 15mUnited Airlines
Fri 12/1210:55 amVIE - STL
1 stop13h 08mUnited Airlines
Deal found 9/10$619
This United deal was found by Cheapflights users on 9/10. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/296:43 pmSTL - VIE
2 stops30h 17mMultiple Airlines
Fri 12/126:00 amVIE - STL
2 stops24h 42mMultiple Airlines
Deal found 9/10$642
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2912:31 pmSTL - VIE
1 stop12h 34mAustrian Airlines
Fri 12/1210:55 amVIE - STL
1 stop13h 08mAustrian Airlines
Deal found 9/10$644
This Gotogate deal was found by Cheapflights users on 9/11. 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.
Sun 10/264:05 pmSTL - VIE
2 stops34h 30mAir Canada
Sun 11/25:50 amVIE - STL
2 stops39h 39mAir Canada
Deal found 9/11$658

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 September 11, 2025.
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

Mon 11/24

11:44 am-7:25 pm

2 stops24h 41m

Vienna Intl

Wed 12/10

8:05 pm-11:41 pm

2 stops34h 36m

$538

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Wed 1/14

4:05 pm-9:10 am

2 stops34h 05m

Vienna Intl

Tue 1/27

10:40 am-12:29 pm

2 stops32h 49m

$596

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Mon 10/20

9:15 am-8:20 am

1 stop16h 05m

Vienna Intl

Wed 11/5

8:00 am-1:55 pm

1 stop12h 55m

$599

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Mon 11/24

4:05 pm-6:05 pm

2 stops19h 00m

Vienna Intl

Wed 12/10

6:00 am-1:55 pm

1 stop14h 55m

$599

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Wed 1/14

11:22 am-8:00 am

1 stop13h 38m

Vienna Intl

Tue 1/27

10:30 am-5:25 pm

1 stop13h 55m

$605

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Sat 11/29

5:24 pm-8:45 am

2 stops56h 21m

Vienna Intl

Fri 12/12

10:55 am-5:03 pm

1 stop13h 08m

$611

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Sat 11/29

4:05 pm-12:20 pm

2 stops37h 15m

Vienna Intl

Fri 12/12

7:00 am-10:45 pm

2 stops22h 45m

$632

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Sat 11/29

12:31 pm-8:05 am

1 stop12h 34m

Vienna Intl

Fri 12/12

10:55 am-5:03 pm

1 stop13h 08m

$644

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Sun 10/26

4:05 pm-8:35 am

2 stops34h 30m

Vienna Intl

Sun 11/2

5:50 am-3:29 pm

2 stops39h 39m

$658

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Fri 10/31

11:20 am-12:20 pm

2 stops19h 00m

Vienna Intl

Wed 11/5

10:55 am-5:39 pm

1 stop13h 44m

$667

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

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, October is the cheapest month in which you can book a flight from St. Louis to Austria (average of $737). Flying from St. Louis to Austria in June is currently the most expensive (average of $1,231). 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.

What is the cheapest time of day to fly from STL to AT?

Find hourly flight availability from St. Louis to Austria. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

When flying from St. Louis to Austria, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 September 11, 2025.
Read through reviews of airlines operating flights from St. Louis to Austria, such as Austrian Airlines, United Airlines, and Air Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Austrian Airlines
7.6
Good
850 reviews

Entertainment

6.8

Food

6.8

Overall

7.6

Comfort

7.3

Crew

8.1

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Andrew,Sep 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
Austrian Airlines
7.6
Good
850 reviews
Austrian Airlines
7.6
Good
850 reviews

Entertainment

6.8

Food

6.8

Overall

7.6

Comfort

7.3

Crew

8.1

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Andrew,Sep 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
United Airlines
7.4
Good
8,937 reviews
Austrian Airlines
7.6
Good
850 reviews

Entertainment

6.8

Food

6.8

Overall

7.6

Comfort

7.3

Crew

8.1

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Andrew,Sep 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
Air Canada
7.1
Good
10,000 reviews
Austrian Airlines
7.6
Good
850 reviews

Entertainment

6.8

Food

6.8

Overall

7.6

Comfort

7.3

Crew

8.1

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Andrew,Sep 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
Lufthansa
6.8
Okay
7,409 reviews
Austrian Airlines
7.6
Good
850 reviews

Entertainment

6.8

Food

6.8

Overall

7.6

Comfort

7.3

Crew

8.1

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Andrew,Sep 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.

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 24h 41m. Scandinavian Airlines provides one of the quickest options available for as low as $538. There are 4949 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, October is the cheapest month in which you can book a flight from St. Louis to Austria (average of $737). Flying from St. Louis to Austria in June is currently the most expensive (average of $1,231). 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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Top 4 airlines flying from St. Louis to Austria

Discover the top 4 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Austrian AirlinesCheapest$611Average$1,297FlexibilityNo cancel feeOn-time78%
LufthansaCheapest$638Average$977FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$645Average$1,093FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$651Average$948FlexibilityNo cancel feeOn-time69%

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