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

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 Vienna

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Vienna (VIE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$538
(Flighttix)

Popular in

June

Cheapest in

February

Average price

$985
From Lambert-St Louis to Vienna Intl
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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).
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Average for round-trip flights in September 2025
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Find flight deals from St. Louis to Vienna

Cheapest flights from St. Louis to Vienna
Explore the most affordable flight options available from St. Louis to Vienna. 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 Vienna 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 Vienna that are best for you.

Fly from

St. Louis

Fly to

Vienna

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 Vienna

Have a flexible travel schedule? Discover the best time to fly to Vienna 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 Vienna

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

Currently, October is the cheapest month in which you can book a flight from St. Louis to Vienna (average of $737). Flying from St. Louis to Vienna 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 VIE?

Find hourly flight availability from St. Louis to Vienna. 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.

Unlike in the morning, when flights are generally more expensive, you can save up to 36% on flights from St. Louis to Vienna by exploring options for tickets in the evening.

How much does it cost to fly round-trip from St. Louis to Vienna?

Reviews of airlines servicing Vienna

Get insights into the airlines that provide service to Vienna. 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 Vienna. Reviews last updated September 11, 2025.
Read reviews from past customers who have flown Austrian Airlines, United Airlines, and Air Canada from St. Louis to Vienna. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Austrian Airlines
7.6
Good
850 reviews

Comfort

7.3

Overall

7.6

Boarding

7.6

Food

6.8

Crew

8.1

Entertainment

6.8

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

Comfort

7.3

Overall

7.6

Boarding

7.6

Food

6.8

Crew

8.1

Entertainment

6.8

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

Comfort

7.3

Overall

7.6

Boarding

7.6

Food

6.8

Crew

8.1

Entertainment

6.8

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

Comfort

7.3

Overall

7.6

Boarding

7.6

Food

6.8

Crew

8.1

Entertainment

6.8

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

Comfort

7.3

Overall

7.6

Boarding

7.6

Food

6.8

Crew

8.1

Entertainment

6.8

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 Vienna. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    A quick flight from St. Louis to Vienna can take about 13h 38m. Scandinavian Airlines provides one of the quickest options available for as low as $605. St. Louis and Vienna are separated by a distance of 4949 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from St. Louis to Vienna round-trip?

    Austrian Airlines, at $611, was found to be the cheapest airline from St. Louis to Vienna.Alternate airlines to your destination round-trip include Lufthansa and Air Canada. You may be able to fly from St. Louis to Vienna for 39% less than the average price by searching for these airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis to Vienna 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 Vienna?

    Currently, October is the cheapest month in which you can book a flight from St. Louis to Vienna (average of $737). Flying from St. Louis to Vienna 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

Traveling to a place near Vienna?

Book flights to Vienna if you plan to visit one of these locations
Amstetten
Melk

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Alternative routes for St. Louis to Vienna

See prices for flight routes from nearby airports that may be better suited for you.
Kansas City to Vienna flights
St. Louis to Salzburg flights

Top 4 airlines flying from St. Louis to Vienna

Discover the top 4 airlines that operate flights from St. Louis to Vienna. 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$922FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$645Average$1,093FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$651Average$948FlexibilityNo cancel feeOn-time69%

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