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$300+ 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 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
STL — VIE
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
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 December 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/9. 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.
Wed 12/241:05 pmSTL - VIE
1 stop12h 25mUnited Airlines
Wed 1/77:00 amVIE - STL
1 stop13h 55mUnited Airlines
Deal found 12/9$1,053
This KAYAK deal was found by Cheapflights users on 12/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2411:05 amSTL - VIE
2 stops18h 15mAustrian Airlines
Thu 1/88:20 pmVIE - STL
2 stops34h 39mAustrian Airlines
Deal found 12/9$1,193
This Expedia deal was found by Cheapflights users on 12/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/244:05 pmSTL - VIE
2 stops23h 35mMultiple Airlines
Tue 1/68:15 pmVIE - STL
2 stops50h 14mMultiple Airlines
Deal found 12/11$1,287
This Air Canada deal was found by Cheapflights users on 12/9. 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 12/234:05 pmSTL - VIE
1 stop33h 40mAir Canada
Wed 1/711:20 amVIE - STL
2 stops35h 09mAir Canada
Deal found 12/9$1,288
This KAYAK deal was found by Cheapflights users on 12/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2512:29 pmSTL - VIE
2 stops27h 11mAustrian Airlines
Thu 1/88:20 pmVIE - STL
2 stops34h 39mAustrian Airlines
Deal found 12/9$1,294
This Expedia deal was found by Cheapflights users on 12/9. 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.
Tue 12/235:02 pmSTL - VIE
2 stops32h 43mMultiple Airlines
Mon 1/58:15 pmVIE - STL
2 stops50h 14mMultiple Airlines
Deal found 12/9$1,344
This Air Canada deal was found by Cheapflights users on 12/9. 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 12/234:05 pmSTL - VIE
1 stop33h 40mAir Canada
Tue 1/611:20 amVIE - STL
2 stops35h 09mAir Canada
Deal found 12/9$1,348
This Air Canada deal was found by Cheapflights users on 12/9. 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 12/234:05 pmSTL - VIE
1 stop33h 40mAir Canada
Thu 1/810:35 amVIE - STL
2 stops19h 23mAir Canada
Deal found 12/9$1,352
This Air Canada deal was found by Cheapflights users on 12/9. 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.
Wed 12/244:05 pmSTL - VIE
2 stops23h 35mAir Canada
Tue 1/610:30 amVIE - STL
2 stops35h 59mAir Canada
Deal found 12/9$1,460

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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$456
(Kiwi.com)

One-way from

$300
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,151
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. 21% potential increase in price ($277 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 12, 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

Tue 1/13

4:05 pm-8:45 am

1 stop33h 40m

Vienna Intl

Fri 1/23

10:40 am-7:27 pm

2 stops39h 47m

$496

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Tue 1/13

4:05 pm-8:45 am

1 stop33h 40m

Vienna Intl

Thu 1/22

10:35 am-2:30 pm

2 stops34h 55m

$500

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Mon 1/12

5:59 pm-8:00 am

1 stop31h 01m

Vienna Intl

Sun 1/25

10:40 am-11:59 pm

1 stop20h 19m

$505

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Mon 1/12

4:05 pm-10:40 pm

2 stops23h 35m

Vienna Intl

Sun 1/25

10:35 am-10:58 pm

2 stops19h 23m

$505

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Fri 1/9

3:11 pm-12:20 pm

2 stops14h 09m

Vienna Intl

Fri 1/23

7:00 am-1:55 pm

1 stop13h 55m

$507

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Fri 1/9

12:44 pm-12:20 pm

2 stops16h 36m

Vienna Intl

Wed 1/28

7:00 am-1:55 pm

1 stop13h 55m

$507

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Tue 1/13

3:11 pm-12:20 pm

2 stops14h 09m

Vienna Intl

Wed 1/28

7:00 am-1:55 pm

1 stop13h 55m

$507

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Fri 1/9

11:22 am-9:10 am

2 stops38h 48m

Vienna Intl

Tue 1/27

10:30 am-11:59 pm

1 stop20h 29m

$510

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Thu 1/8

8:05 am-12:20 pm

2 stops21h 15m

Vienna Intl

Fri 1/16

10:35 am-10:13 am

1 stop30h 38m

$510

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Tue 1/13

11:22 am-8:00 am

1 stop13h 38m

Vienna Intl

Fri 1/23

7:00 am-1:55 pm

1 stop13h 55m

$511

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 18 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, January is the cheapest month in which you can book a flight from St. Louis to Austria (average of $530). 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.

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 December 12, 2025.

A simple way to save on the total cost of your ticket is to fly from St. Louis to Austria in the evening. If you’re flexible enough to do this you can expect to save up to 45% on your trip compared to booking a flight in the morning.

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 December 12, 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
879 reviews

Entertainment

6.8

Food

6.8

Boarding

7.6

Comfort

7.3

Crew

8.1

Overall

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
879 reviews
Austrian Airlines
7.6
Good
879 reviews

Entertainment

6.8

Food

6.8

Boarding

7.6

Comfort

7.3

Crew

8.1

Overall

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
9,095 reviews
Austrian Airlines
7.6
Good
879 reviews

Entertainment

6.8

Food

6.8

Boarding

7.6

Comfort

7.3

Crew

8.1

Overall

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
10,514 reviews
Austrian Airlines
7.6
Good
879 reviews

Entertainment

6.8

Food

6.8

Boarding

7.6

Comfort

7.3

Crew

8.1

Overall

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
7,626 reviews
Austrian Airlines
7.6
Good
879 reviews

Entertainment

6.8

Food

6.8

Boarding

7.6

Comfort

7.3

Crew

8.1

Overall

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 14h 06m. Air Canada provides one of the quickest options available for as low as $534. 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 - Salzburg W.A. Mozart, Lambert-St Louis - Vienna Intl 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, January is the cheapest month in which you can book a flight from St. Louis to Austria (average of $530). 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 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Austrian AirlinesCheapest$509Average$1,383FlexibilityNo cancel feeOn-time78%
United AirlinesCheapest$613Average$918FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$615Average$936FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$645Average$1,097FlexibilityNo cancel feeOn-time67%

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