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$414+ 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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
STL — VIE
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
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 July 29, 2025.

Round-trip from

$662
(Air Canada)

One-way from

$414
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$1,057
From Lambert-St Louis to Austria
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One-way flight from Lambert-St Louis to Austria
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Highest demand for flights based on searches. 22% potential increase in price ($299 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($48 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 29, 2025.

This Air Canada deal was found by Cheapflights users on 7/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/181:30 pmSTL - VIE
1 stop12h 05mAir Canada
Mon 8/257:00 amVIE - STL
2 stops20h 00mAir Canada
Deal found 7/28$662
This United Airlines deal was found by Cheapflights users on 7/28. 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 11/2810:00 amSTL - VIE
1 stop15h 05mUnited Airlines
Sun 12/77:00 amVIE - STL
1 stop13h 55mUnited Airlines
Deal found 7/28$716
This Booking.com deal was found by Cheapflights users on 7/27. 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.
Sat 10/183:23 pmSTL - VIE
2 stops34h 12mMultiple Airlines
Sun 10/2610:30 amVIE - STL
1 stop19h 14mMultiple Airlines
Deal found 7/27$743
This Gurufare deal was found by Cheapflights users on 7/28. 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.
Fri 9/127:04 pmSTL - VIE
2 stops15h 11mLufthansa
Sat 9/208:00 amVIE - STL
2 stops14h 44mLufthansa
Deal found 7/28$933
This Booking.com deal was found by Cheapflights users on 7/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/222:17 pmSTL - VIE
2 stops16h 13mBritish Airways
Fri 11/287:20 pmVIE - STL
2 stops31h 07mBritish Airways
Deal found 7/26$953
This Scandinavian Airlines deal was found by Cheapflights users on 7/28. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/183:40 pmSTL - VIE
3 stops23h 35mScandinavian Airlines
Mon 8/257:05 amVIE - STL
3 stops21h 57mScandinavian Airlines
Deal found 7/28$1,057
This Cheapflightsfares deal was found by Cheapflights users on 7/26. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2212:31 pmSTL - VIE
1 stop12h 34mAustrian Airlines
Fri 11/2810:55 amVIE - STL
1 stop13h 44mAustrian Airlines
Deal found 7/26$1,591

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 July 29, 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 8/18

1:30 pm-8:35 am

1 stop12h 05m

Vienna Intl

Mon 8/25

7:00 am-8:00 pm

2 stops20h 00m

$662

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Fri 11/28

10:00 am-8:05 am

1 stop15h 05m

Vienna Intl

Sun 12/7

7:00 am-1:55 pm

1 stop13h 55m

$716

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Sat 10/18

3:23 pm-8:35 am

2 stops34h 12m

Vienna Intl

Sun 10/26

10:30 am-11:44 pm

1 stop19h 14m

$743

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Fri 9/12

7:04 pm-5:15 pm

2 stops15h 11m

Vienna Intl

Sat 9/20

8:00 am-3:44 pm

2 stops14h 44m

$933

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Sat 11/22

2:17 pm-1:30 pm

2 stops16h 13m

Vienna Intl

Fri 11/28

7:20 pm-7:27 pm

2 stops31h 07m

$953

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Mon 8/18

3:40 pm-10:15 pm

3 stops23h 35m

Vienna Intl

Mon 8/25

7:05 am-10:02 pm

3 stops21h 57m

$1,057

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Sat 11/22

12:31 pm-8:05 am

1 stop12h 34m

Vienna Intl

Fri 11/28

10:55 am-5:39 pm

1 stop13h 44m

$1,591

St. LouisSalzburg

STL - SZG

STLSZG

Lambert-St Louis

Mon 9/29

1:57 pm-7:00 pm

2 stops22h 03m

$414

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Thu 8/14

2:36 pm-9:45 pm

2 stops24h 09m

$454

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Wed 11/19

6:30 am-8:30 am

2 stops19h 00m

$468

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 14 results
1
2

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 $1,232). 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 July 29, 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 July 29, 2025.
Read through reviews of airlines operating flights from St. Louis to Austria, such as Austrian Airlines, United Airlines, and Scandinavian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Austrian Airlines
7.6
Good
821 reviews

Food

6.8

Crew

8.1

Boarding

7.6

Overall

7.6

Entertainment

6.8

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Grant,Jun 2025

VIE - FRA

A delay was caused by computer malfunctions after we left the gate. It was handled well
Austrian Airlines
7.6
Good
821 reviews
Austrian Airlines
7.6
Good
821 reviews

Food

6.8

Crew

8.1

Boarding

7.6

Overall

7.6

Entertainment

6.8

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Grant,Jun 2025

VIE - FRA

A delay was caused by computer malfunctions after we left the gate. It was handled well
United Airlines
7.4
Good
8,899 reviews
Austrian Airlines
7.6
Good
821 reviews

Food

6.8

Crew

8.1

Boarding

7.6

Overall

7.6

Entertainment

6.8

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Grant,Jun 2025

VIE - FRA

A delay was caused by computer malfunctions after we left the gate. It was handled well
Scandinavian Airlines
7.3
Good
1,449 reviews
Austrian Airlines
7.6
Good
821 reviews

Food

6.8

Crew

8.1

Boarding

7.6

Overall

7.6

Entertainment

6.8

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Grant,Jun 2025

VIE - FRA

A delay was caused by computer malfunctions after we left the gate. It was handled well
Air Canada
7.1
Good
9,822 reviews
Austrian Airlines
7.6
Good
821 reviews

Food

6.8

Crew

8.1

Boarding

7.6

Overall

7.6

Entertainment

6.8

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Grant,Jun 2025

VIE - FRA

A delay was caused by computer malfunctions after we left the gate. It was handled well
Lufthansa
6.8
Okay
7,265 reviews
Austrian Airlines
7.6
Good
821 reviews

Food

6.8

Crew

8.1

Boarding

7.6

Overall

7.6

Entertainment

6.8

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Grant,Jun 2025

VIE - FRA

A delay was caused by computer malfunctions after we left the gate. It was handled well

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.

  • What are the cheapest airlines to fly from St. Louis to Austria one-way?

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $468. However, be on the lookout for offers from Austrian Airlines and Air Canada, as they are both options that can get you from St. Louis to Austria for a low price.

  • 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 - Linz Hoersching or Lambert-St Louis - Salzburg W.A. Mozart 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 $1,232). 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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Austrian AirlinesCheapest$611Average$1,297FlexibilityNo cancel feeOn-time78%
Air CanadaCheapest$645Average$1,097FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$664Average$985FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$674Average$977FlexibilityNo cancel feeOn-time76%

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