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$402+ 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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
STL — VIE
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
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 March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$793
(Gotogate)

One-way from

$402
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$850
Provider with most accurate pricing for Lambert-St Louis-Vienna Intl flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Vienna Intl flights.
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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 ($321 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($55 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 31, 2025.

This Expedia deal was found by Cheapflights users on 3/30. 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.
Fri 11/285:18 pmSTL - VIE
2 stops56h 27mMultiple Airlines
Sun 12/76:00 amVIE - STL
1 stop14h 55mMultiple Airlines
Deal found 3/30$714
This United Airlines deal was found by Cheapflights users on 3/31. 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 11/281:27 pmSTL - VIE
1 stop11h 38mUnited Airlines
Sun 12/710:55 amVIE - STL
1 stop15h 30mUnited Airlines
Deal found 3/31$719
This Air Canada deal was found by Cheapflights users on 3/30. 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.
Tue 4/223:30 pmSTL - VIE
2 stops34h 05mAir Canada
Fri 5/911:00 amVIE - STL
1 stop15h 58mAir Canada
Deal found 3/30$810
This Air Canada deal was found by Cheapflights users on 3/30. 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 5/121:30 pmSTL - SZG
2 stops13h 45mAir Canada
Thu 5/2210:30 amSZG - STL
2 stops16h 28mAir Canada
Deal found 3/30$841
This Justfly.com deal was found by Cheapflights users on 3/30. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/121:30 pmSTL - SZG
2 stops13h 45mMultiple Airlines
Wed 5/218:20 amSZG - STL
1 stop12h 10mMultiple Airlines
Deal found 3/30$854
This Austrian Airlines deal was found by Cheapflights users on 3/31. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/181:12 pmSTL - VIE
1 stop12h 08mAustrian Airlines
Fri 4/2510:45 amVIE - STL
1 stop19h 30mAustrian Airlines
Deal found 3/31$864
This Lufthansa deal was found by Cheapflights users on 3/30. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/105:29 pmSTL - SZG
2 stops33h 16mLufthansa
Fri 5/236:00 amSZG - STL
1 stop14h 30mLufthansa
Deal found 3/30$870
This Scandinavian Airlines deal was found by Cheapflights users on 3/30. 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.
Tue 10/143:30 pmSTL - VIE
3 stops24h 25mScandinavian Airlines
Tue 10/286:55 amVIE - STL
3 stops22h 44mScandinavian Airlines
Deal found 3/30$946
This American Airlines deal was found by Cheapflights users on 3/31. 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.
Wed 7/2312:48 pmSTL - VIE
2 stops15h 22mAmerican Airlines
Wed 8/611:10 amVIE - STL
2 stops19h 39mAmerican Airlines
Deal found 3/31$1,009
This Cheapflightsfares deal was found by Cheapflights users on 3/30. 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 4/512:00 pmSTL - VIE
2 stops16h 10mAer Lingus
Wed 4/911:50 amVIE - STL
2 stops18h 43mAer Lingus
Deal found 3/30$1,451
This oojo deal was found by Cheapflights users on 3/30. 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.
Fri 4/45:35 pmSTL - VIE
2 stops36h 10mTurkish Airlines
Fri 4/111:50 pmVIE - STL
2 stops31h 55mTurkish Airlines
Deal found 3/30$1,541

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 March 31, 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

Wed 5/14

1:30 pm-1:45 pm

2 stops17h 15m

Vienna Intl

Wed 5/21

10:45 am-11:37 pm

1 stop19h 52m

$793

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Tue 4/22

10:40 am-12:20 pm

2 stops18h 40m

Vienna Intl

Fri 5/9

10:30 am-2:50 pm

2 stops35h 20m

$805

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Tue 4/22

3:30 pm-8:35 am

2 stops34h 05m

Vienna Intl

Fri 5/9

11:00 am-7:58 pm

1 stop15h 58m

$810

St. LouisSalzburg

STL - SZG

STLSZG

Lambert-St Louis

Mon 5/12

1:30 pm-10:15 am

2 stops13h 45m

Salzburg W.A. Mozart

Thu 5/22

10:30 am-7:58 pm

2 stops16h 28m

$841

St. LouisSalzburg

STL - SZG

STLSZG

Lambert-St Louis

Mon 5/12

1:30 pm-10:15 am

2 stops13h 45m

Salzburg W.A. Mozart

Wed 5/21

8:20 am-1:30 pm

1 stop12h 10m

$854

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Fri 4/18

1:12 pm-8:20 am

1 stop12h 08m

Vienna Intl

Fri 4/25

10:45 am-11:15 pm

1 stop19h 30m

$864

St. LouisSalzburg

STL - SZG

STLSZG

Lambert-St Louis

Sat 5/10

5:29 pm-9:45 am

2 stops33h 16m

Salzburg W.A. Mozart

Fri 5/23

6:00 am-1:30 pm

1 stop14h 30m

$870

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Wed 7/23

12:48 pm-11:10 am

2 stops15h 22m

Vienna Intl

Wed 8/6

11:10 am-11:49 pm

2 stops19h 39m

$1,009

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Fri 5/30

3:40 pm-10:15 pm

3 stops23h 35m

Vienna Intl

Sat 11/29

6:55 am-11:39 pm

3 stops23h 44m

$1,838

St. LouisSalzburg

STL - SZG

STLSZG

Lambert-St Louis

Sat 5/10

11:49 am-6:15 pm

2 stops23h 26m

Salzburg W.A. Mozart

Wed 5/21

2:10 pm-11:37 pm

2 stops16h 27m

$5,281

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/29

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 $1,312). 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 March 31, 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.

Rainfall in Austria by month

Plan your trip to Austria by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Austria ranges from 0.8 - 2.6 inches per month. July is typically the wettest month, when rainfall can reach 2.6 in. January is typically the driest time to visit Austria when rainfall is around 0.8 in.

Temperature in Austria by month

Plan your trip to Austria by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Austria, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

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 March 31, 2025.
Read reviews from past customers who have flown Austrian Airlines, United Airlines and Scandinavian Airlines from St. Louis to Austria. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Austrian Airlines
7.6
Good
770 reviews

Overall

7.6

Food

6.8

Boarding

7.6

Entertainment

6.7

Comfort

7.3

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
Austrian Airlines
7.6
Good
770 reviews
Austrian Airlines
7.6
Good
770 reviews

Overall

7.6

Food

6.8

Boarding

7.6

Entertainment

6.7

Comfort

7.3

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
United Airlines
7.4
Good
8,614 reviews
Austrian Airlines
7.6
Good
770 reviews

Overall

7.6

Food

6.8

Boarding

7.6

Entertainment

6.7

Comfort

7.3

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
Scandinavian Airlines
7.3
Good
1,326 reviews
Austrian Airlines
7.6
Good
770 reviews

Overall

7.6

Food

6.8

Boarding

7.6

Entertainment

6.7

Comfort

7.3

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
American Airlines
7.2
Good
10,000 reviews
Austrian Airlines
7.6
Good
770 reviews

Overall

7.6

Food

6.8

Boarding

7.6

Entertainment

6.7

Comfort

7.3

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
Air Canada
7.0
Good
9,012 reviews
Austrian Airlines
7.6
Good
770 reviews

Overall

7.6

Food

6.8

Boarding

7.6

Entertainment

6.7

Comfort

7.3

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.

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 Aer Lingus, with whom users have recently found tickets for as low as $570. However, be on the lookout for offers from Air Canada and United Airlines, 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 - 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 $1,312). 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 5 airlines flying from St. Louis to Austria

Discover the top 5 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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Austrian AirlinesCheapest$611Average$1,283FlexibilityNo cancel feeOn-time78%
United AirlinesCheapest$672Average$1,109FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$691Average$1,064FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$696Average$1,011FlexibilityNo cancel feeOn-time67%
British AirwaysCheapest$762Average$838FlexibilityNo cancel feeOn-time70%
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